| .. | ||
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| CONTRIBUTING.md | ||
| LICENSE | ||
| package.json | ||
| README.md | ||
eslint-plugin-jsdoc
JSDoc linting rules for ESLint.
- eslint-plugin-jsdoc
- Installation
- Configuration
- Options
- Settings
- Advanced
- Rules
check-accesscheck-alignmentcheck-examplescheck-indentationcheck-line-alignmentcheck-param-namescheck-property-namescheck-syntaxcheck-tag-namescheck-typescheck-valuesempty-tagsimplements-on-classesmatch-descriptionnewline-after-descriptionno-bad-blocksno-defaultsno-typesno-undefined-typesrequire-description-complete-sentencerequire-descriptionrequire-examplerequire-file-overviewrequire-hyphen-before-param-descriptionrequire-jsdocrequire-param-descriptionrequire-param-namerequire-param-typerequire-paramrequire-propertyrequire-property-descriptionrequire-property-namerequire-property-typerequire-returns-checkrequire-returns-descriptionrequire-returns-typerequire-returnsrequire-throwsvalid-types
Installation
Install ESLint either locally or globally.
npm install --save-dev eslint
If you have installed ESLint globally, you have to install JSDoc plugin
globally too. Otherwise, install it locally.
npm install --save-dev eslint-plugin-jsdoc
Configuration
Add plugins section to .eslintrc.*
and specify eslint-plugin-jsdoc as a plugin.
{
"plugins": [
"jsdoc"
]
}
Finally, enable all of the rules that you would like to use.
{
"rules": {
"jsdoc/check-access": 1, // Recommended
"jsdoc/check-alignment": 1, // Recommended
"jsdoc/check-examples": 1,
"jsdoc/check-indentation": 1,
"jsdoc/check-line-alignment": 1,
"jsdoc/check-param-names": 1, // Recommended
"jsdoc/check-property-names": 1, // Recommended
"jsdoc/check-syntax": 1,
"jsdoc/check-tag-names": 1, // Recommended
"jsdoc/check-types": 1, // Recommended
"jsdoc/check-values": 1, // Recommended
"jsdoc/empty-tags": 1, // Recommended
"jsdoc/implements-on-classes": 1, // Recommended
"jsdoc/match-description": 1,
"jsdoc/newline-after-description": 1, // Recommended
"jsdoc/no-bad-blocks": 1,
"jsdoc/no-defaults": 1,
"jsdoc/no-types": 1,
"jsdoc/no-undefined-types": 1, // Recommended
"jsdoc/require-description": 1,
"jsdoc/require-description-complete-sentence": 1,
"jsdoc/require-example": 1,
"jsdoc/require-file-overview": 1,
"jsdoc/require-hyphen-before-param-description": 1,
"jsdoc/require-jsdoc": 1, // Recommended
"jsdoc/require-param": 1, // Recommended
"jsdoc/require-param-description": 1, // Recommended
"jsdoc/require-param-name": 1, // Recommended
"jsdoc/require-param-type": 1, // Recommended
"jsdoc/require-property": 1, // Recommended
"jsdoc/require-property-description": 1, // Recommended
"jsdoc/require-property-name": 1, // Recommended
"jsdoc/require-property-type": 1, // Recommended
"jsdoc/require-returns": 1, // Recommended
"jsdoc/require-returns-check": 1, // Recommended
"jsdoc/require-returns-description": 1, // Recommended
"jsdoc/require-returns-type": 1, // Recommended
"jsdoc/valid-types": 1 // Recommended
}
}
Or you can simply add the following to .eslintrc.*, which enables the rules commented above as "recommended":
{
"extends": ["plugin:jsdoc/recommended"]
}
You can then selectively add to or override the recommended rules.
Options
Rules may, as per the ESLint user guide, have their own individual options. In eslint-plugin-jsdoc, a few options,
such as, exemptedBy and contexts, may be used across different rules.
eslint-plugin-jsdoc options, if present, are in the form of an object
supplied as the second argument in an array after the error level.
// `.eslintrc.js`
{
rules: {
'jsdoc/require-example': [
// The Error level should be `error`, `warn`, or `off` (or 2, 1, or 0)
'error',
// The options vary by rule, but are added to an options object:
{
avoidExampleOnConstructors: true,
exemptedBy: ['type']
}
]
}
}
Settings
Allow tags (@private or @internal) to disable rules for that comment block
settings.jsdoc.ignorePrivate- Disables all rules for the comment block on which a@privatetag (or@access private) occurs. Defaults tofalse. Note: This has no effect with the rulecheck-access(whose purpose is to check access modifiers) orempty-tags(which checks@privateitself).settings.jsdoc.ignoreInternal- Disables all rules for the comment block on which a@internaltag occurs. Defaults tofalse. Note: This has no effect with the ruleempty-tags(which checks@internalitself).
maxLines and minLines
One can use minLines and maxLines to indicate how many line breaks
(if any) will be checked to find a jsdoc comment block before the given
code block. These settings default to 0 and 1 respectively.
In conjunction with the require-jsdoc rule, these settings can
be enforced so as to report problems if a jsdoc block is not found within
the specified boundaries. The settings are also used in the fixer to determine
how many line breaks to add when a block is missing.
Mode
settings.jsdoc.mode- Set totypescript,closure, orjsdoc(the default unless the@typescript-eslintparser is in use in which casetypescriptwill be the default). Note that if you do not wish to use separate.eslintrc.*files for a project containing both JavaScript and TypeScript, you can also useoverrides. You may also set to"permissive"to try to be as accommodating to any of the styles, but this is not recommended. Currently is used for the following:check-tag-names: Determine valid tags and aliasesno-undefined-types: Only check@templatefor types in "closure" and "typescript" modescheck-syntax: determines aspects that may be enforcedvalid-types: in non-Closure mode,@extends,@packageand access tags (e.g.,@private) with a bracketed type are reported as are missing names with@typedef- For type/namepath-checking rules, determine which tags will be checked for types/namepaths (Closure allows types on some tags which the others do not, so these tags will additionally be checked in "closure" mode)
- For type-checking rules, impacts parsing of types (through jsdoctypeparser dependency); note that some TypeScript features are not yet supported
- Check preferred tag names
- Disallows namepath on
@interfacefor "closure" mode invalid-types(and avoids checking in other rules)
Alias Preference
Use settings.jsdoc.tagNamePreference to configure a preferred alias name for
a JSDoc tag. The format of the configuration is:
<primary tag name>: <preferred alias name>, e.g.
{
"rules": {},
"settings": {
"jsdoc": {
"tagNamePreference": {
"param": "arg",
"returns": "return"
}
}
}
}
Note: ESLint does not allow settings to have keys which conflict with
Object.prototype e.g. 'constructor'. To work around this, you can use the
key 'tag constructor'.
One may also use an object with a message and replacement.
The following will report the message
@extends is to be used over @augments as it is more evocative of classes than @augments
upon encountering @augments.
{
"rules": {},
"settings": {
"jsdoc": {
"tagNamePreference": {
"augments": {
"message": "@extends is to be used over @augments as it is more evocative of classes than @augments",
"replacement": "extends"
}
}
}
}
}
If one wishes to reject a normally valid tag, e.g., @todo, one may set the
tag to false:
{
"rules": {},
"settings": {
"jsdoc": {
"tagNamePreference": {
"todo": false
}
}
}
}
A project wishing to ensure no blocks are left excluded from entering the
documentation, might wish to prevent the @ignore tag in the above manner.
Or one may set the targeted tag to an object with a custom message, but
without a replacement property:
{
"rules": {},
"settings": {
"jsdoc": {
"tagNamePreference": {
"todo": {
"message": "We expect immediate perfection, so don't leave to-dos in your code."
}
}
}
}
}
Note that the preferred tags indicated in the
settings.jsdoc.tagNamePreference map will be assumed to be defined by
check-tag-names.
See check-tag-names for how that fact can be used to set an alias to itself
to allow both the alias and the default (since aliases are otherwise not
permitted unless used in tagNamePreference).
Default Preferred Aliases
The defaults in eslint-plugin-jsdoc (for tags which offer
aliases) are as follows:
@abstract(over@virtual)@augments(over@extends)@class(over@constructor)@constant(over@const)@default(over@defaultvalue)@description(over@desc)@external(over@host)@file(over@fileoverview,@overview)@fires(over@emits)@function(over@func,@method)@member(over@var)@param(over@arg,@argument)@property(over@prop)@returns(over@return)@throws(over@exception)@yields(over@yield)
This setting is utilized by the the rule for tag name checking
(check-tag-names) as well as in the @param and @require rules:
check-param-namescheck-tag-namesrequire-hyphen-before-param-descriptionrequire-descriptionrequire-paramrequire-param-descriptionrequire-param-namerequire-param-typerequire-returnsrequire-returns-checkrequire-returns-descriptionrequire-returns-type
@override/@augments/@extends/@implements Without Accompanying @param/@description/@example/@returns
The following settings allows the element(s) they reference to be omitted
on the JSDoc comment block of the function or that of its parent class
for any of the "require" rules (i.e., require-param, require-description,
require-example, or require-returns).
settings.jsdoc.overrideReplacesDocs(@override) - Defaults totruesettings.jsdoc.augmentsExtendsReplacesDocs(@augmentsor its alias@extends) - Defaults tofalse.settings.jsdoc.implementsReplacesDocs(@implements) - Defaults tofalse
The format of the configuration is as follows:
{
"rules": {},
"settings": {
"jsdoc": {
"overrideReplacesDocs": true,
"augmentsExtendsReplacesDocs": true,
"implementsReplacesDocs": true
}
}
}
Settings to Configure check-types and no-undefined-types
-
settings.jsdoc.preferredTypesAn option map to indicate preferred or forbidden types (if default types are indicated here, these will have precedence over the default recommendations forcheck-types). The keys of this map are the types to be replaced (or forbidden). These keys may include:- The "ANY" type,
* - The pseudo-type
[]which we use to denote the parent (array) types used in the syntaxstring[],number[], etc. - The pseudo-type
.<>(or.) to represent the formatArray.<value>orObject.<key, value> - The pseudo-type
<>to represent the formatArray<value>orObject<key, value> - A plain string type, e.g.,
MyType - A plain string type followed by one of the above pseudo-types (except
for
[]which is always assumed to be anArray), e.g.,Array., orSpecialObject<>.
If a bare pseudo-type is used, it will match all parent types of that form. If a pseudo-type prefixed with a type name is used, it will only match parent types of that form and type name.
The values can be:
falseto forbid the type- a string to indicate the type that should be preferred in its place
(and which
fixmode can replace); this can be one of the formats of the keys described above.- Note that the format will not be changed unless you use a pseudo-type
in the replacement. (For example,
'Array.<>': 'MyArray'will changeArray.<string>toMyArray.<string>, preserving the dot. To get rid of the dot, you must use the pseudo-type with<>, i.e.,'Array.<>': 'MyArray<>', which will changeArray.<string>toMyArray<string>). - If you use a bare pseudo-type in the replacement (e.g.,
'MyArray.<>': '<>'), the type will be converted to the format of the pseudo-type without changing the type name. For example,MyArray.<string>will becomeMyArray<string>butArray.<string>will not be modified.
- Note that the format will not be changed unless you use a pseudo-type
in the replacement. (For example,
- an object with:
- the key
messageto provide a specific error message when encountering the discouraged type.- The message string will have the substrings with special meaning,
{{tagName}}and{{tagValue}}, replaced with their corresponding value.
- The message string will have the substrings with special meaning,
- an optional key
replacementwith either of the following values:- a string type to be preferred in its place (and which
fixmode can replace) false(for forbidding the type)
- a string type to be preferred in its place (and which
- the key
- The "ANY" type,
Note that the preferred types indicated as targets in
settings.jsdoc.preferredTypes map will be assumed to be defined by
no-undefined-types.
See the option of check-types, unifyParentAndChildTypeChecks, for
how the keys of preferredTypes may have <> or .<> (or just .)
appended and its bearing on whether types are checked as parents/children
only (e.g., to match Array if the type is Array vs. Array.<string>).
Note that if a value is present both as a key and as a value, neither the
key nor the value will be reported. Thus in check-types, this fact can
be used to allow both object and Object if one has a preferredTypes
key object: 'Object' and Object: 'object'.
structuredTags
An object indicating tags whose types and names/namepaths (whether defining or
referencing namepaths) will be checked, subject to configuration. If the tags
have predefined behavior or allowEmptyNamepaths behavior, this option will
override that behavior for any specified tags, though this option can also be
used for tags without predefined behavior. Its keys are tag names and its
values are objects with the following optional properties:
name- String set to one of the following:"text"- When a name is present, plain text will be allowed in the name position (non-whitespace immediately after the tag and whitespace), e.g., in@throws This is an error, "This" would normally be the name, but "text" allows non-name text here also. This is the default."namepath-defining"- As withnamepath-referencing, but also indicates the tag adds a namepath to definitions, e.g., to preventno-undefined-typesfrom reporting references to that namepath."namepath-referencing"- This will cause any name position to be checked to ensure it is a valid namepath. You might use this to ensure that tags which normally allow free text, e.g.,@seewill instead require a namepath.false- This will disallow any text in the name position.
type:true- Allows valid types within brackets. This is the default.false- Explicitly disallows any brackets or bracketed type. You might use this with@throwsto suggest that only free form text is being input or with@augments(for jsdoc mode) to disallow Closure-style bracketed usage along with a required namepath.
required- Array of one of the following (defaults to an empty array, meaning none are required):- One or both of the following strings (if both are included, then both
are required):
"name"- Indicates that a name position is required (not just that if present, it is a valid namepath). You might use this withseeto insist that a value (or namepath, depending on thenamevalue) is always present."type"- Indicates that the type position (within curly brackets) is required (not just that if present, it is a valid type). You might use this with@throwsor@typedefwhich might otherwise normally have their types optional. See the type groups 3-5 above.
"typeOrName"- Must have either type (e.g.,@throws {aType}) or name (@throws Some text); does not require that both exist but disallows just an empty tag.
- One or both of the following strings (if both are included, then both
are required):
Advanced
AST and Selectors
For various rules, one can add to the environments to which the rule applies
by using the contexts option.
This option works with ESLint's selectors which are esquery expressions one may use to target a specific node type or types, including subsets of the type(s) such as nodes with certain children or attributes.
These expressions are used within ESLint plugins to find those parts of
your files' code which are of interest to check. However, in
eslint-plugin-jsdoc, we also allow you to use these selectors to define
additional contexts where you wish our own rules to be applied.
To know all of the AST definitions one may target, it will depend on the
parser
you are using with ESLint (e.g., espree is the default parser for ESLint,
and this follows EStree AST but
to support the the latest experimental features of JavaScript, one may use
babel-eslint or to be able to have one's rules (including JSDoc rules)
apply to TypeScript, one may use @typescript-eslint/parser, etc.
So you can look up a particular parser to see its rules, e.g., browse through the ESTree docs as used by Espree or see ESLint's overview of the structure of AST.
However, it can sometimes be even more helpful to get an idea of ASt by just providing some of your JavaScript to the wonderful AST Explorer tool and see what AST is built out of your code. You can set the tool to the specific parser which you are using.
And if you wish to introspect on the AST of code within your projects, you can use eslint-plugin-query. Though it also works as a plugin, you can use it with its own CLI, e.g., to search your files for matching esquery selectors, optionally showing it as AST JSON.
Tip: If you want to more deeply understand not just the resulting AST tree
structures for any given code but also the syntax for esquery selectors so
that you can, for example, find only those nodes with a child of a certain
type, you can set the "Transform" feature to ESLint and test out
esquery selectors in place of the selector expression (e.g., replace
'VariableDeclaration > VariableDeclarator > Identifier[name="someVar"]' as
we have
here)
to the selector you wish so as to get messages reported in the bottom right
pane which match your esquery
selector).
Rules
check-access
Checks that @access tags use one of the following values:
- "package", "private", "protected", "public"
Also reports:
- Mixing of
@accesswith@public,@private,@protected, or@packageon the same doc block. - Use of multiple instances of
@access(or the@public, etc. style tags) on the same doc block.
| Context | everywhere |
| Tags | @access |
| Recommended | false |
| Settings | |
| Options |
The following patterns are considered problems:
/**
* @access foo
*/
function quux (foo) {
}
// Message: Missing valid JSDoc @access level.
/**
* @access foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"ignorePrivate":true}}
// Message: Missing valid JSDoc @access level.
/**
* @accessLevel foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"access":"accessLevel"}}}
// Message: Missing valid JSDoc @accessLevel level.
/**
* @access
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"access":false}}}
// Message: Unexpected tag `@access`
class MyClass {
/**
* @access
*/
myClassField = 1
}
// Message: Missing valid JSDoc @access level.
/**
* @access public
* @public
*/
function quux (foo) {
}
// Message: The @access tag may not be used with specific access-control tags (@package, @private, @protected, or @public).
/**
* @access public
* @access private
*/
function quux (foo) {
}
// Message: At most one access-control tag may be present on a jsdoc block.
/**
* @access public
* @access private
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"ignorePrivate":true}}
// Message: At most one access-control tag may be present on a jsdoc block.
/**
* @public
* @private
*/
function quux (foo) {
}
// Message: At most one access-control tag may be present on a jsdoc block.
/**
* @public
* @private
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"ignorePrivate":true}}
// Message: At most one access-control tag may be present on a jsdoc block.
/**
* @public
* @public
*/
function quux (foo) {
}
// Message: At most one access-control tag may be present on a jsdoc block.
The following patterns are not considered problems:
/**
*
*/
function quux (foo) {
}
/**
* @access public
*/
function quux (foo) {
}
/**
* @accessLevel package
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"access":"accessLevel"}}}
class MyClass {
/**
* @access private
*/
myClassField = 1
}
/**
* @public
*/
function quux (foo) {
}
/**
* @private
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"ignorePrivate":true}}
check-alignment
Reports invalid alignment of JSDoc block asterisks.
| Context | everywhere |
| Tags | N/A |
| Recommended | true |
The following patterns are considered problems:
/**
* @param {Number} foo
*/
function quux (foo) {
// with spaces
}
// Message: Expected JSDoc block to be aligned.
/**
* @param {Number} foo
*/
function quux (foo) {
// with tabs
}
// Message: Expected JSDoc block to be aligned.
/**
* @param {Number} foo
*/
function quux (foo) {
// with spaces
}
// Message: Expected JSDoc block to be aligned.
/**
* @param {Number} foo
*/
function quux (foo) {
// with spaces
}
// Message: Expected JSDoc block to be aligned.
/**
* @param {Number} foo
*/
function quux (foo) {
}
// Message: Expected JSDoc block to be aligned.
/**
* @param {Number} foo
*/
function quux (foo) {
}
// Message: Expected JSDoc block to be aligned.
/**
* @param {Number} foo
*/
function quux (foo) {
}
// Message: Expected JSDoc block to be aligned.
/**
* @param {Number} foo
*/
function quux (foo) {
}
// Message: Expected JSDoc block to be aligned.
/**
* A jsdoc not attached to any node.
*/
// Message: Expected JSDoc block to be aligned.
class Foo {
/**
* Some method
* @param a
*/
quux(a) {}
}
// Message: Expected JSDoc block to be aligned.
The following patterns are not considered problems:
/**
* Desc
*
* @param {Number} foo
*/
function quux (foo) {
}
/**
* Desc
*
* @param {{
foo: Bar,
bar: Baz
* }} foo
*
*/
function quux (foo) {
}
/* <- JSDoc must start with 2 stars.
* So this is unchecked.
*/
function quux (foo) {}
/**
* @param {Number} foo
* @private
*/
function quux (foo) {
// with spaces
}
// Settings: {"jsdoc":{"ignorePrivate":true}}
/**
* @param {Number} foo
* @access private
*/
function quux (foo) {
// with spaces
}
// Settings: {"jsdoc":{"ignorePrivate":true}}
check-examples
Ensures that (JavaScript) examples within JSDoc adhere to ESLint rules. Also
has options to lint the default values of optional @param/@arg/@argument
and @property/@prop tags or the values of @default/@defaultvalue tags.
Options
The options below all default to no-op/false except as noted.
captionRequired
JSDoc specs use of an optional <caption> element at the beginning of
@example.
The option captionRequired insists on a <caption> being present at
the beginning of any @example.
Used only for @example.
exampleCodeRegex and rejectExampleCodeRegex
JSDoc does not specify a formal means for delimiting code blocks within
@example (it uses generic syntax highlighting techniques for its own
syntax highlighting). The following options determine whether a given
@example tag will have the check-examples checks applied to it:
exampleCodeRegex- Regex which whitelists lintable examples. If a parenthetical group is used, the first one will be used, so you may wish to use(?:...)groups where you do not wish the first such group treated as one to include. If no parenthetical group exists or matches, the whole matching expression will be used. An example might be"^```(?:js|javascript)([\\s\\S]*)```\s*$"to only match explicitly fenced JavaScript blocks. Defaults to only using theuflag, so to add your own flags, encapsulate your expression as a string, but like a literal, e.g.,/```js.*```/gi. Note that specifying a global regular expression (i.e., withg) will allow independent linting of matched blocks within a single@example.rejectExampleCodeRegex- Regex blacklist which rejects non-lintable examples (has priority overexampleCodeRegex). An example might be"^`"to avoid linting fenced blocks which may indicate a non-JavaScript language. SeeexampleCodeRegexon how to add flags if the defaultuis not sufficient.
If neither is in use, all examples will be matched. Note also that even if
captionRequired is not set, any initial <caption> will be stripped out
before doing the regex matching.
paddedIndent
This integer property allows one to add a fixed amount of whitespace at the
beginning of the second or later lines of the example to be stripped so as
to avoid linting issues with the decorative whitespace. For example, if set
to a value of 4, the initial whitespace below will not trigger indent
rule errors as the extra 4 spaces on each subsequent line will be stripped
out before evaluation.
/**
* @example
* anArray.filter((a) => {
* return a.b;
* });
*/
Only applied to @example linting.
reportUnusedDisableDirectives
If not set to false, reportUnusedDisableDirectives will report disabled
directives which are not used (and thus not needed). Defaults to true.
Corresponds to ESLint's --report-unused-disable-directives.
Inline ESLint config within @example JavaScript is allowed (or within
@default, etc.), though the disabling of ESLint directives which are not
needed by the resolved rules will be reported as with the ESLint
--report-unused-disable-directives command.
Options for Determining ESLint Rule Applicability (allowInlineConfig, noDefaultExampleRules, matchingFileName, configFile, checkEslintrc, and baseConfig)
The following options determine which individual ESLint rules will be
applied to the JavaScript found within the @example tags (as determined
to be applicable by the above regex options) or for the other tags checked by
checkDefaults, checkParams, or checkProperties options. They are ordered
by decreasing precedence:
allowInlineConfig- If not set tofalse, will allow inline config within the@exampleto override other config. Defaults totrue.noDefaultExampleRules- Setting totruewill disable the default rules which are expected to be troublesome for most documentation use. See the section below for the specific default rules.configFile- A config file. Corresponds to ESLint's-c.matchingFileName- Option for a file name (even non-existent) to trigger specific rules defined in one's config; usable with ESLint.eslintrc.*overrides->filesglobs, to apply a desired subset of rules with@example(besides allowing for rules specific to examples, this option can be useful for enabling reuse of the same rules within@exampleas with JavaScript Markdown lintable by other plugins, e.g., if one setsmatchingFileNametodummy.mdso that@examplerules will follow one's Markdown rules). For@exampleonly.matchingFileNameDefaults- As withmatchingFileNamebut for use withcheckDefaultsand defaulting to.jsdoc-defaultsas extension.matchingFileNameParams- As withmatchingFileNamebut for use withcheckParamsand defaulting to.jsdoc-paramsas extension.matchingFileNamePropertiesAs withmatchingFileNamebut for use withcheckPropertiesand defaulting to.jsdoc-propertiesas extension.checkEslintrc- Defaults totruein adding rules based on an.eslintrc.*file. Setting tofalsecorresponds to ESLint's--no-eslintrc. IfmatchingFileNameis set, this will automatically betrueand will use the config corresponding to that file. IfmatchingFileNameis not set and this value is set tofalse, the.eslintrc.*configs will not be checked. IfmatchingFileNameis not set, and this is unset or set totrue, the.eslintrc.*configs will be checked as though the file name were the same as the file containing the example, with any file extension changed to ".md" (and if there is no file extension, "dummy.md" will be used). This allows convenient sharing of similar rules with often also context-free Markdown as well as use ofoverridesas described undermatchingFileName. Note that this option (whether set bymatchingFileNameor set manually totrue) may come at somewhat of a performance penalty as the file's existence is checked by eslint.baseConfig- Set to an object of rules with the same schema as.eslintrc.*for defaults.
Rules Disabled by Default Unless noDefaultExampleRules is Set to true
eol-last- Insisting that a newline "always" be at the end is less likely to be desired in sample code as with the code file convention.no-console- This rule is unlikely to have inadvertent temporary debugging within examples.no-multiple-empty-lines- This rule may be problematic for projects which use an initial newline just to start an example. Also, projects may wish to use extra lines within examples just for easier illustration purposes.no-undef- Many variables in examples will beundefined.no-unused-vars- It is common to define variables for clarity without always using them within examples.padded-blocks- It can generally look nicer to pad a little even if one's code follows more stringency as far as block padding.jsdoc/require-file-overview- Shouldn't check example for jsdoc blocks.jsdoc/require-jsdoc- Wouldn't expect jsdoc blocks within jsdoc blocks.import/no-unresolved- One wouldn't generally expect example paths to resolve relative to the current JavaScript file as one would with real code.import/unambiguous- Snippets in examples are likely too short to always include full import/export info.node/no-missing-import- Seeimport/no-unresolved.node/no-missing-require- Seeimport/no-unresolved.
For checkDefaults, checkParams, and checkProperties, the following
expression-oriented rules will be used by default as well:
quotes- Will insist on "double".semi- Will insist on "never"strict- Disabled.no-unused-expressions- Disabled.
Options for checking other than @example (checkDefaults, checkParams, or checkProperties)
checkDefaults- Whether to check the values of@default/@defaultvaluetagscheckParams- Whether to check@param/@arg/@argumentdefault valuescheckProperties- Whether to check@property/@propdefault values
| Context | everywhere |
| Tags | example |
| Recommended | false |
| Options | See above |
The following patterns are considered problems:
/**
* @example alert('hello')
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"no-alert":2,"semi":["error","always"]}},"checkEslintrc":false}]
// Message: @example error (no-alert): Unexpected alert.
/**
* @example alert('hello')
*/
class quux {
}
// Options: [{"baseConfig":{"rules":{"no-alert":2,"semi":["error","always"]}},"checkEslintrc":false}]
// Message: @example error (no-alert): Unexpected alert.
/**
* @example ```js
alert('hello');
```
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"semi":["error","never"]}},"checkEslintrc":false,"exampleCodeRegex":"```js([\\s\\S]*)```"}]
// Message: @example error (semi): Extra semicolon.
/**
* @example
*
* ```js alert('hello'); ```
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"semi":["error","never"]}},"checkEslintrc":false,"exampleCodeRegex":"```js ([\\s\\S]*)```"}]
// Message: @example error (semi): Extra semicolon.
/**
* @example
* ```js alert('hello'); ```
*/
var quux = {
};
// Options: [{"baseConfig":{"rules":{"semi":["error","never"]}},"checkEslintrc":false,"exampleCodeRegex":"```js ([\\s\\S]*)```"}]
// Message: @example error (semi): Extra semicolon.
/**
* @example ```
* js alert('hello'); ```
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"semi":["error","never"]}},"checkEslintrc":false,"exampleCodeRegex":"```\njs ([\\s\\S]*)```"}]
// Message: @example error (semi): Extra semicolon.
/**
* @example <b>Not JavaScript</b>
*/
function quux () {
}
/**
* @example quux2();
*/
function quux2 () {
}
// Options: [{"baseConfig":{"rules":{"semi":["error","never"]}},"checkEslintrc":false,"rejectExampleCodeRegex":"^\\s*<.*>\\s*$"}]
// Message: @example error (semi): Extra semicolon.
/**
* @example
* quux(); // does something useful
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"no-undef":["error"]}},"checkEslintrc":false,"noDefaultExampleRules":true}]
// Message: @example error (no-undef): 'quux' is not defined.
/**
* @example <caption>Valid usage</caption>
* quux(); // does something useful
*
* @example
* quux('random unwanted arg'); // results in an error
*/
function quux () {
}
// Options: [{"captionRequired":true,"checkEslintrc":false}]
// Message: Caption is expected for examples.
/**
* @example quux();
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"indent":["error"]}},"checkEslintrc":false,"noDefaultExampleRules":false}]
// Message: @example error (indent): Expected indentation of 0 spaces but found 1.
/**
* @example test() // eslint-disable-line semi
*/
function quux () {}
// Options: [{"checkEslintrc":false,"noDefaultExampleRules":true,"reportUnusedDisableDirectives":true}]
// Message: @example error: Unused eslint-disable directive (no problems were reported from 'semi').
/**
* @example
test() // eslint-disable-line semi
*/
function quux () {}
// Options: [{"allowInlineConfig":false,"baseConfig":{"rules":{"semi":["error","always"]}},"checkEslintrc":false,"noDefaultExampleRules":true}]
// Message: @example error (semi): Missing semicolon.
/**
* @example const i = 5;
* quux2()
*/
function quux2 () {
}
// Options: [{"matchingFileName":"../../jsdocUtils.js"}]
// Message: @example warning (id-length): Identifier name 'i' is too short (< 2).
/**
* @example const i = 5;
* quux2()
*/
function quux2 () {
}
// Message: @example warning (id-length): Identifier name 'i' is too short (< 2).
/**
* @example const i = 5;
* quux2()
*/
function quux2 () {
}
// Options: [{"paddedIndent":2}]
// Message: @example warning (id-length): Identifier name 'i' is too short (< 2).
/**
* @example
* const i = 5;
* quux2()
*/
function quux2 () {
}
// Message: @example warning (id-length): Identifier name 'i' is too short (< 2).
/**
* @example const idx = 5;
* quux2()
*/
function quux2 () {
}
// Options: [{"matchingFileName":"dummy.js"}]
// Message: @example error (semi): Missing semicolon.
/**
* @example const idx = 5;
*
* quux2()
*/
function quux2 () {
}
// Options: [{"matchingFileName":"dummy.js"}]
// Message: @example error (semi): Missing semicolon.
/**
* @example const idx = 5;
*
* quux2()
*/
function quux2 () {
}
// Options: [{"checkEslintrc":false,"matchingFileName":"dummy.js"}]
// Message: @example error: Parsing error: The keyword 'const' is reserved
/**
* @example // begin
alert('hello')
// end
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"semi":["warn","always"]}},"checkEslintrc":false,"exampleCodeRegex":"// begin[\\s\\S]*// end","noDefaultExampleRules":true}]
// Message: @example warning (semi): Missing semicolon.
/**
* @typedef {string} Foo
* @example <caption></caption>
* 'foo'
*/
// Options: [{"captionRequired":true,"checkEslintrc":false}]
// Message: Caption is expected for examples.
/**
* @example
* const list: number[] = [1, 2, 3]
* quux(list);
*/
function quux () {
}
// Options: [{"baseConfig":{"parser":"@typescript-eslint/parser","parserOptions":{"ecmaVersion":6},"rules":{"semi":["error","always"]}},"checkEslintrc":false}]
// Message: @example error (semi): Missing semicolon.
/**
* @example
* const test = something?.find((_) => {
* return _
* });
*/
function quux () {
}
// Options: [{"baseConfig":{"parserOptions":{"ecmaVersion":6},"rules":{"semi":["error","always"]}}}]
// Message: @example error (semi): Missing semicolon.
/**
* @example <caption>Say `Hello!` to the user.</caption>
* First, import the function:
*
* ```js
* import popup from './popup'
* const aConstInSameScope = 5;
* ```
*
* Then use it like this:
*
* ```js
* const aConstInSameScope = 7;
* popup('Hello!')
* ```
*
* Here is the result on macOS:
*
* 
*/
// Options: [{"baseConfig":{"parserOptions":{"ecmaVersion":2015,"sourceType":"module"},"rules":{"semi":["error","always"]}},"checkEslintrc":false,"exampleCodeRegex":"/^```(?:js|javascript)\\n([\\s\\S]*?)```$/gm"}]
// Message: @example error (semi): Missing semicolon.
/**
* @example // begin
alert('hello')
// end
* And here is another example:
// begin
alert('there')
// end
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"semi":["warn","always"]}},"checkEslintrc":false,"exampleCodeRegex":"/\\/\\/ begin[\\s\\S]*?// end/g","noDefaultExampleRules":true}]
// Message: @example warning (semi): Missing semicolon.
/**
* @example
* quux();
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"indent":["error"]}},"checkEslintrc":false,"noDefaultExampleRules":false}]
// Message: @example error (indent): Expected indentation of 0 spaces but found 2.
/**
* @default 'abc'
*/
const str = 'abc';
// Options: [{"checkDefaults":true}]
// Message: @default error (quotes): Strings must use doublequote.
/**
* @param {myType} [name='abc']
*/
function quux () {
}
// Options: [{"checkParams":true}]
// Message: @param error (quotes): Strings must use doublequote.
/**
* @property {myType} [name='abc']
*/
const obj = {};
// Options: [{"checkProperties":true}]
// Message: @property error (quotes): Strings must use doublequote.
The following patterns are not considered problems:
/**
* @example ```js
alert('hello');
```
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"semi":["error","always"]}},"checkEslintrc":false,"exampleCodeRegex":"```js([\\s\\S]*)```"}]
/**
* @example ```js
alert('hello');
```
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"semi":["error","always"]}},"checkEslintrc":false,"exampleCodeRegex":"/```js([\\s\\S]*)```/"}]
/**
* @example
* // arbitrary example content
*/
function quux () {
}
// Options: [{"checkEslintrc":false}]
/**
* @example
* quux(); // does something useful
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"no-undef":["error"]}},"checkEslintrc":false,"noDefaultExampleRules":false}]
/**
* @example quux();
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"indent":["error"]}},"checkEslintrc":false,"noDefaultExampleRules":false}]
/**
* @example <caption>Valid usage</caption>
* quux(); // does something useful
*
* @example <caption>Invalid usage</caption>
* quux('random unwanted arg'); // results in an error
*/
function quux () {
}
// Options: [{"captionRequired":true,"checkEslintrc":false}]
/**
* @example test() // eslint-disable-line semi
*/
function quux () {}
// Options: [{"checkEslintrc":false,"noDefaultExampleRules":true,"reportUnusedDisableDirectives":false}]
/**
* @example
test() // eslint-disable-line semi
*/
function quux () {}
// Options: [{"allowInlineConfig":true,"baseConfig":{"rules":{"semi":["error","always"]}},"checkEslintrc":false,"noDefaultExampleRules":true}]
/**
* @example ```js
alert('hello')
```
*/
var quux = {
};
// Options: [{"baseConfig":{"rules":{"semi":["error","never"]}},"checkEslintrc":false,"exampleCodeRegex":"```js([\\s\\S]*)```"}]
/**
* @example
* foo(function (err) {
* throw err;
* });
*/
function quux () {}
// Options: [{"baseConfig":{"rules":{"indent":["error"]}},"checkEslintrc":false,"noDefaultExampleRules":false}]
/**
* @example
* const list: number[] = [1, 2, 3];
* quux(list);
*/
function quux () {
}
// Options: [{"baseConfig":{"parser":"@typescript-eslint/parser","parserOptions":{"ecmaVersion":6},"rules":{"semi":["error","always"]}},"checkEslintrc":false}]
/**
* @example const ident = 5;
* quux2();
* bar();
*/
function quux2 () {
}
// Options: [{"paddedIndent":2}]
/**
* @example
* function quux() {
* bar();
* }
*/
function quux () {
}
// Options: [{"baseConfig":{"rules":{"indent":["error"]}},"checkEslintrc":false,"noDefaultExampleRules":false}]
// Comment
a();
export default {};
/**
*
*/
function f () {
}
/**
* Does quux
* @example
* // Do it!
* quux();
*/
function quux () {
}
// Options: [{"baseConfig":{"plugins":["jsdoc"],"rules":{"jsdoc/require-file-overview":["error"]}},"checkEslintrc":false,"noDefaultExampleRules":false}]
/**
* @default "abc"
*/
const str = 'abc';
// Options: [{"checkDefaults":true}]
/**
* @default
*/
const str = 'abc';
// Options: [{"checkDefaults":true}]
/**
* @param {myType} [name="abc"]
*/
function quux () {
}
// Options: [{"checkParams":true}]
/**
* @param {myType} name
*/
function quux () {
}
// Options: [{"checkParams":true}]
/**
* @property {myType} [name="abc"]
*/
const obj = {};
// Options: [{"checkProperties":true}]
/**
* @property {myType} [name]
*/
const obj = {};
// Options: [{"checkProperties":true}]
/**
* @default 'abc'
*/
const str = 'abc';
// Options: [{"checkDefaults":false,"matchingFileNameDefaults":"dummy.js"}]
/**
* @param {myType} [name='abc']
*/
function quux () {
}
// Options: [{"checkParams":false,"matchingFileNameParams":"dummy.js"}]
/**
* @property {myType} [name='abc']
*/
const obj = {};
// Options: [{"checkProperties":false,"matchingFileNameProperties":"dummy.js"}]
check-indentation
Reports invalid padding inside JSDoc blocks.
Ignores parts enclosed in Markdown "code block"'s. For example, the following description is not reported:
/**
* Some description:
* ```html
* <section>
* <title>test</title>
* </section>
* ```
*/
Options
This rule has an object option.
excludeTags
Array of tags (e.g., ['example', 'description']) whose content will be
"hidden" from the check-indentation rule. Defaults to ['example'].
By default, the whole JSDoc block will be checked for invalid padding.
That would include @example blocks too, which can get in the way
of adding full, readable examples of code without ending up with multiple
linting issues.
When disabled (by passing excludeTags: [] option), the following code will
report a padding issue:
/**
* @example
* anArray.filter((a) => {
* return a.b;
* });
*/
| Context | everywhere |
| Tags | N/A |
| Recommended | false |
| Options | excludeTags |
The following patterns are considered problems:
/** foo */
function quux () {
}
// Message: There must be no indentation.
/**
* foo
*
* @param bar
* baz
*/
function quux () {
}
// Message: There must be no indentation.
/**
* Foo
* bar
*/
class Moo {}
// Message: There must be no indentation.
/**
* foo
*
* @example
* anArray.filter((a) => {
* return a.b;
* });
*/
function quux () {
}
// Options: [{"excludeTags":[]}]
// Message: There must be no indentation.
/**
* foo
*
* @example
* aaaa
* @returns
* eeee
*/
function quux () {
}
// Message: There must be no indentation.
/**
* foo
* ```html
* <section>
* <title>test</title>
* </section>
* ```
* @returns
* eeee
*/
function quux () {
}
// Message: There must be no indentation.
/**
* foo
* ``` aaaa```
* @returns
* eeee
*/
function quux () {
}
// Message: There must be no indentation.
/**
* @example <caption>
* Here is a long
* indented summary of this
* example
* </caption>
* ```js
* function hi () {
* alert('Hello');
* }
* ```
*/
// Options: [{"excludeTags":[]}]
// Message: There must be no indentation.
/**
* @example <caption>
* Here is a long
* summary of this
* example
* </caption>
* // Code is not wrapped into fenced code block
* function hi () {
* alert('Hello');
* }
*/
// Options: [{"excludeTags":[]}]
// Message: There must be no indentation.
The following patterns are not considered problems:
/**
* foo
*
* @param bar
* baz
*/
function quux () {
}
/*** foo */
function quux () {
}
/**
* foo
*
* @example
* anArray.filter((a) => {
* return a.b;
* });
*/
function quux () {
}
/**
* foo
*
* @example
* anArray.filter((a) => {
* return a.b;
* });
* @returns
* eeee
*/
function quux () {
}
// Options: [{"excludeTags":["example","returns"]}]
/**
* foo
* ```html
* <section>
* <title>test</title>
* </section>
* ```
* @returns eeee
*/
function quux () {
}
/**
* foo
* ``` aaaa```
* @returns eeee
*/
function quux () {
}
/**
* @example <caption>
* Here is a long
* summary of this
* example
* </caption>
* ```js
* function hi () {
* alert('Hello');
* }
* ```
*/
// Options: [{"excludeTags":[]}]
check-line-alignment
Reports invalid alignment of JSDoc block lines. This is a standard recommended to WordPress code, for example.
Options
This rule allows one optional string argument. If it is "always" then a
problem is raised when the lines are not aligned. If it is "never" then
a problem should be raised when there is more than one space between each
line's parts. Only the non-default "always" is implemented for now.
| Context | everywhere |
| Options | (a string matching `"always" |
| Tags | param, property |
| Aliases | arg, argument, prop |
| Recommended | false |
The following patterns are considered problems:
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
/**
* Function description.
*
* @param {string} lorem - Description.
* @param {int} sit - Description multi words.
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
function fn( lorem, sit ) {}
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
const object = {
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
fn( lorem, sit ) {}
}
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
class ClassName {
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
fn( lorem, sit ) {}
}
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
/**
* Function description.
*
* @arg {string} lorem Description.
* @arg {int} sit Description multi words.
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
/**
* @namespace
* @property {object} defaults Description.
* @property {int} defaults.lorem Description multi words.
*/
const config = {
defaults: {
lorem: 1
}
}
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
/**
* My object.
*
* @typedef {Object} MyObject
*
* @property {string} lorem Description.
* @property {int} sit Description multi words.
*/
// Options: ["always"]
// Message: Expected JSDoc block lines to be aligned.
/**
* Not implemented yet.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
const fn = ( lorem, sit ) => {}
// Options: ["never"]
// Message: The `never` option is not yet implemented for this rule.
The following patterns are not considered problems:
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
/**
* Function description.
*
* @param {string} lorem - Description.
* @param {int} sit - Description multi words.
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
/**
* @param {string} lorem Description.
* @param {int} sit
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
/**
* @param {int} sit
* @param {string} lorem Description.
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
/**
* No params.
*/
const fn = () => {}
// Options: ["always"]
const fn = ( lorem, sit ) => {}
// Options: ["always"]
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
function fn( lorem, sit ) {}
// Options: ["always"]
const object = {
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
fn( lorem, sit ) {},
}
// Options: ["always"]
class ClassName {
/**
* Function description.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
fn( lorem, sit ) {}
}
// Options: ["always"]
/**
* Function description.
*
* @arg {string} lorem Description.
* @arg {int} sit Description multi words.
*/
const fn = ( lorem, sit ) => {}
// Options: ["always"]
/**
* @namespace
* @property {object} defaults Description.
* @property {int} defaults.lorem Description multi words.
*/
const config = {
defaults: {
lorem: 1
}
}
// Options: ["always"]
/**
* My object.
*
* @typedef {Object} MyObject
*
* @property {string} lorem Description.
* @property {int} sit Description multi words.
*/
// Options: ["always"]
/**
* Not validating without option.
*
* @param {string} lorem Description.
* @param {int} sit Description multi words.
*/
const fn = ( lorem, sit ) => {}
check-param-names
Ensures that parameter names in JSDoc match those in the function declaration.
Destructuring
Note that by default the rule will not report parameters present on the docs but non-existing on the function signature when an object rest property is part of that function signature since the seemingly non-existing properties might actually be a part of the object rest property.
/**
* @param options
* @param options.foo
*/
function quux ({foo, ...extra}) {}
To require that extra be documented--and that any extraneous properties
get reported--e.g., if there had been a @param options.bar above--you
can use the checkRestProperty option which insists that the rest
property be documented (and that there be no other implicit properties).
Note, however, that jsdoc does not appear
to currently support syntax or output to distinguish rest properties from
other properties, so in looking at the docs alone without looking at the
function signature, the disadvantage of enabling this option is that it
may appear that there is an actual property named extra.
Options
checkRestProperty
See the "Destructuring" section. Defaults to false.
checkTypesPattern
See require-param under the option of the same name.
enableFixer
Set to true to auto-remove @param duplicates (based on identical
names).
Note that this option will remove duplicates of the same name even if the definitions do not match in other ways (e.g., the second param will be removed even if it has a different type or description).
allowExtraTrailingParamDocs
If set to true, this option will allow extra @param definitions (e.g.,
representing future expected or virtual params) to be present without needing
their presence within the function signature. Other inconsistencies between
@param's and present function parameters will still be reported.
checkDestructured
Whether to check destructured properties. Defaults to true.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression |
| Options | allowExtraTrailingParamDocs, checkDestructured, checkRestProperty, checkTypesPattern |
| Tags | param |
| Aliases | arg, argument |
| Recommended | true |
| The following patterns are considered problems: |
/**
* @param Foo
*/
function quux (foo = 'FOO') {
}
// Message: Expected @param names to be "foo". Got "Foo".
/**
* @arg Foo
*/
function quux (foo = 'FOO') {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":"arg"}}}
// Message: Expected @arg names to be "foo". Got "Foo".
/**
* @param Foo
*/
function quux (foo) {
}
// Message: Expected @param names to be "foo". Got "Foo".
/**
* @param Foo.Bar
*/
function quux (foo) {
}
// Message: @param path declaration ("Foo.Bar") appears before any real parameter.
/**
* @param foo
* @param Foo.Bar
*/
function quux (foo) {
}
// Message: @param path declaration ("Foo.Bar") root node name ("Foo") does not match previous real parameter name ("foo").
/**
* Assign the project to a list of employees.
* @param {string} employees[].name - The name of an employee.
* @param {string} employees[].department - The employee's department.
*/
function assign (employees) {
};
// Message: @param path declaration ("employees[].name") appears before any real parameter.
/**
* Assign the project to a list of employees.
* @param {string} employees[].name - The name of an employee.
* @param {string} employees[].name - The employee's department.
*/
function assign (employees) {
};
// Options: [{"enableFixer":true}]
// Message: Duplicate @param "employees[].name"
/**
* @param foo
* @param foo.bar
* @param bar
*/
function quux (bar, foo) {
}
// Message: Expected @param names to be "bar, foo". Got "foo, bar".
/**
* @param foo
* @param bar
*/
function quux (foo) {
}
// Message: @param "bar" does not match an existing function parameter.
/**
* @param foo
* @param foo
*/
function quux (foo) {
}
// Options: [{"enableFixer":true}]
// Message: Duplicate @param "foo"
class bar {
/**
* @param foo
* @param foo
*/
quux (foo) {
}
}
// Options: [{"enableFixer":true}]
// Message: Duplicate @param "foo"
/**
* @param foo
* @param foo
*/
function quux (foo, bar) {
}
// Options: [{"enableFixer":true}]
// Message: Duplicate @param "foo"
/**
* @param foo
* @param foo
*/
function quux (foo, foo) {
}
// Options: [{"enableFixer":true}]
// Message: Duplicate @param "foo"
/**
* @param cfg
* @param cfg.foo
* @param cfg.foo
*/
function quux ({foo}) {
}
// Options: [{"enableFixer":true}]
// Message: Duplicate @param "cfg.foo"
/**
* @param cfg
* @param cfg.foo
* @param cfg.foo
*/
function quux ({foo}) {
}
// Message: Duplicate @param "cfg.foo"
/**
* @param cfg
* @param cfg.foo
*/
function quux ({foo, bar}) {
}
// Message: Missing @param "cfg.bar"
/**
* @param cfg
* @param cfg.foo
* @param [cfg.foo]
* @param baz
*/
function quux ({foo}, baz) {
}
// Options: [{"enableFixer":true}]
// Message: Duplicate @param "cfg.foo"
/**
* @param cfg
* @param cfg.foo
* @param [cfg.foo="with a default"]
* @param baz
*/
function quux ({foo, bar}, baz) {
}
// Message: Missing @param "cfg.bar"
/**
* @param cfg
* @param cfg.foo
* @param [cfg.foo="with a default"]
* @param baz
*/
function quux ({foo}, baz) {
}
// Options: [{"enableFixer":true}]
// Message: Duplicate @param "cfg.foo"
/**
* @param cfg
* @param [cfg.foo="with a default"]
* @param baz
*/
function quux ({foo, bar}, baz) {
}
// Message: Missing @param "cfg.bar"
/**
* @param args
*/
function quux ({a, b}) {
}
// Message: Missing @param "args.a"
/**
* @param args
*/
function quux ({a, b} = {}) {
}
// Message: Missing @param "args.a"
export class SomeClass {
/**
* @param prop
*/
constructor(private property: string) {}
}
// Message: Expected @param names to be "property". Got "prop".
export class SomeClass {
/**
* @param prop
* @param prop.foo
*/
constructor(prop: { foo: string, bar: string }) {}
}
// Message: Missing @param "prop.bar"
export class SomeClass {
/**
* @param prop
* @param prop.foo
* @param prop.bar
*/
constructor(options: { foo: string, bar: string }) {}
}
// Message: @param "prop" does not match parameter name "options"
export class SomeClass {
/**
* @param options
* @param options.foo
* @param options.bar
*/
constructor(options: { foo: string }) {}
}
// Message: @param "options.bar" does not exist on options
/**
* @param foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":false}}}
// Message: Unexpected tag `@param`
/**
* @param {Error} error Exit code
* @param {number} [code = 1] Exit code
*/
function quux (error, cde = 1) {
};
// Message: Expected @param names to be "error, cde". Got "error, code".
/**
* @param foo
*/
function quux ([a, b] = []) {
}
// Message: Missing @param "foo.0"
/**
* @param options
* @param options.foo
*/
function quux ({foo, ...extra}) {
}
// Options: [{"checkRestProperty":true}]
// Message: Missing @param "options.extra"
/**
* @param cfg
* @param cfg.foo
* @param cfg.bar
* @param cfg.extra
*/
function quux ({foo, ...extra}) {
}
// Options: [{"checkRestProperty":true}]
// Message: @param "cfg.bar" does not exist on cfg
/**
* Converts an SVGRect into an object.
* @param {SVGRect} bbox - a SVGRect
*/
const bboxToObj = function ({x, y, width, height}) {
return {x, y, width, height};
};
// Options: [{"checkTypesPattern":"SVGRect"}]
// Message: Missing @param "bbox.x"
/**
* Converts an SVGRect into an object.
* @param {object} bbox - a SVGRect
*/
const bboxToObj = function ({x, y, width, height}) {
return {x, y, width, height};
};
// Message: Missing @param "bbox.x"
module.exports = class GraphQL {
/**
* @param fetchOptions
* @param cacheKey
*/
fetch = ({ url, ...options }, cacheKey) => {
}
};
// Options: [{"checkRestProperty":true}]
// Message: Missing @param "fetchOptions.url"
/**
* Testing
*
* @param options
* @param options.one One
* @param options.two Two
* @param options.four Four
*/
function testingEslint(options: {
one: string;
two: string;
three: string;
}): string {
return one + two + three;
}
// Message: Missing @param "options.three"
/**
*
*/
function quux() {
}
// Settings: {"jsdoc":{"structuredTags":{"see":{"name":false,"required":["name"]}}}}
// Message: Cannot add "name" to `require` with the tag's `name` set to `false`
/**
* @param root
* @param foo
*/
function quux ({foo, bar}, baz) {
}
// Options: [{"checkDestructured":false}]
// Message: Expected @param names to be "root, baz". Got "root, foo".
/**
* Description.
* @param {Object} options
* @param {FooBar} foo
*/
function quux ({ foo: { bar } }) {}
// Message: Missing @param "options.foo"
/**
* Description.
* @param {Object} options
* @param options.foo
*/
function quux ({ foo: { bar } }) {}
// Message: Missing @param "options.foo.bar"
/**
* Description.
* @param {object} options Options.
* @param {object} options.foo A description.
* @param {object} options.foo.bar
*/
function foo({ foo: { bar: { baz } }}) {}
// Message: Missing @param "options.foo.bar.baz"
The following patterns are not considered problems:
/**
*
*/
function quux (foo) {
}
/**
* @param foo
*/
function quux (foo) {
}
/**
* @param foo
* @param bar
*/
function quux (foo, bar) {
}
/**
* @param foo
* @param bar
*/
function quux (foo, bar, baz) {
}
/**
* @param foo
* @param foo.foo
* @param bar
*/
function quux (foo, bar) {
}
/**
* @param args
*/
function quux (...args) {
}
/**
* @param foo
* @param foo.a
* @param foo.b
*/
function quux ({a, b}) {
}
/**
* @param foo
* @param foo.a
* @param foo.b
*/
function quux ({"a": A, b}) {
}
/**
* @param foo
* @param foo."a"
* @param foo.b
*/
function quux ({a: A, b}) {
}
/**
* @param foo
* @param foo."a-b"
* @param foo.b
*/
function quux ({"a-b": A, b}) {
}
/**
* @param foo
* @param foo.bar
* @param foo.baz
* @param bar
*/
function quux (foo, bar) {
}
/**
* Assign the project to a list of employees.
* @param {object[]} employees - The employees who are responsible for the project.
* @param {string} employees[].name - The name of an employee.
* @param {string} employees[].department - The employee's department.
*/
function assign (employees) {
};
export class SomeClass {
/**
* @param property
*/
constructor(private property: string) {}
}
export class SomeClass {
/**
* @param options
* @param options.foo
* @param options.bar
*/
constructor(options: { foo: string, bar: string }) {}
}
export class SomeClass {
/**
* @param options
* @param options.foo
* @param options.bar
*/
constructor({ foo, bar }: { foo: string, bar: string }) {}
}
export class SomeClass {
/**
* @param options
* @param options.foo
* @param options.bar
*/
constructor({ foo, bar }: { foo: string, bar: string }) {}
}
/**
* @param {Error} error Exit code
* @param {number} [code = 1] Exit code
*/
function quux (error, code = 1) {
};
/**
* @param foo
* @param bar
*/
function quux (foo) {
}
// Options: [{"allowExtraTrailingParamDocs":true}]
/**
* @param cfg
* @param cfg.foo
* @param baz
*/
function quux ({foo}, baz) {
}
/**
* @param cfg
* @param cfg.foo
* @param cfg2
*/
function quux ({foo}, cfg2) {
}
/**
* @param cfg
* @param cfg.foo
* @param baz
* @param baz.cfg
*/
function quux ({foo}, {cfg}) {
}
/**
* @param options
* @param options.foo
*/
function quux ({foo, ...extra}) {
}
/**
* @param foo
* @param bar
*/
function quux (foo, bar, ...extra) {
}
/**
* Converts an SVGRect into an object.
* @param {SVGRect} bbox - a SVGRect
*/
const bboxToObj = function ({x, y, width, height}) {
return {x, y, width, height};
};
/**
* Converts an SVGRect into an object.
* @param {SVGRect} bbox - a SVGRect
*/
const bboxToObj = function ({x, y, width, height}) {
return {x, y, width, height};
};
/**
* Converts an SVGRect into an object.
* @param {object} bbox - a SVGRect
*/
const bboxToObj = function ({x, y, width, height}) {
return {x, y, width, height};
};
// Options: [{"checkTypesPattern":"SVGRect"}]
class CSS {
/**
* Set one or more CSS properties for the set of matched elements.
*
* @param {Object} propertyObject - An object of property-value pairs to set.
*/
setCssObject(propertyObject: {[key: string]: string | number}): void {
}
}
/**
* Logs a string.
*
* @param input - String to output.
*/
export default function (input: {
[foo: string]: { a: string; b: string };
}): void {
input;
}
export class Thing {
foo: any;
/**
* @param {} C
*/
constructor(C: { new (): any }) {
this.foo = new C();
}
}
/**
* @param foo
* @param root
*/
function quux (foo, {bar}) {
}
// Options: [{"checkDestructured":false}]
class A {
/**
* Show a prompt.
* @param hideButton true if button should be hidden, false otherwise
* @param onHidden delegate to call when the prompt is hidden
*/
public async showPrompt(hideButton: boolean, onHidden: {(): void}): Promise<void>
{
}
}
/**
* Description.
* @param {Object} options Options.
* @param {FooBar} options.foo foo description.
*/
function quux ({ foo: { bar }}) {}
/**
* Description.
* @param {FooBar} options
* @param {Object} options.foo
*/
function quux ({ foo: { bar } }) {}
// Options: [{"checkTypesPattern":"FooBar"}]
/**
* Description.
* @param {Object} options
* @param {FooBar} options.foo
* @param {FooBar} options.baz
*/
function quux ({ foo: { bar }, baz: { cfg } }) {}
/**
* Item
*
* @param {object} props
* @param {object} props.data - case data
* @param {string} props.data.className - additional css class
* @param props.val
*/
export default function Item({
data: {
className,
} = {},
val = 4
}) {
}
/**
* @param obj
* @param obj.data
* @param obj.data.0
* @param obj.data.1
* @param obj.data.2
* @param obj.defaulting
* @param obj.defaulting.0
* @param obj.defaulting.1
*/
function Item({
data: [foo, bar, ...baz],
defaulting: [quux, xyz] = []
}) {
}
check-property-names
Ensures that property names in JSDoc are not duplicated on the same block and that nested properties have defined roots.
Options
enableFixer
Set to true to auto-remove @property duplicates (based on
identical names).
Note that this option will remove duplicates of the same name even if the definitions do not match in other ways (e.g., the second property will be removed even if it has a different type or description).
| Context | Everywhere |
| Options | enableFixer |
| Tags | property |
| Aliases | prop |
| Recommended | true |
The following patterns are considered problems:
/**
* @typedef (SomeType) SomeTypedef
* @property Foo.Bar
*/
// Message: @property path declaration ("Foo.Bar") appears before any real property.
/**
* @typedef (SomeType) SomeTypedef
* @property foo
* @property Foo.Bar
*/
// Message: @property path declaration ("Foo.Bar") root node name ("Foo") does not match previous real property name ("foo").
/**
* Assign the project to a list of employees.
* @typedef (SomeType) SomeTypedef
* @property {string} employees[].name - The name of an employee.
* @property {string} employees[].department - The employee's department.
*/
// Message: @property path declaration ("employees[].name") appears before any real property.
/**
* Assign the project to a list of employees.
* @typedef (SomeType) SomeTypedef
* @property {string} employees[].name - The name of an employee.
* @property {string} employees[].name - The employee's department.
*/
// Options: [{"enableFixer":true}]
// Message: Duplicate @property "employees[].name"
/**
* @typedef (SomeType) SomeTypedef
* @property foo
* @property foo
*/
// Options: [{"enableFixer":true}]
// Message: Duplicate @property "foo"
/**
* @typedef (SomeType) SomeTypedef
* @property foo
* @property foo
*/
// Message: Duplicate @property "foo"
/**
* @typedef (SomeType) SomeTypedef
* @property cfg
* @property cfg.foo
* @property cfg.foo
*/
function quux ({foo, bar}) {
}
// Options: [{"enableFixer":true}]
// Message: Duplicate @property "cfg.foo"
class Test {
/**
* @typedef (SomeType) SomeTypedef
* @property cfg
* @property cfg.foo
* @property cfg.foo
*/
quux ({foo, bar}) {
}
}
// Options: [{"enableFixer":true}]
// Message: Duplicate @property "cfg.foo"
/**
* @typedef (SomeType) SomeTypedef
* @property cfg
* @property cfg.foo
* @property [cfg.foo]
* @property baz
*/
function quux ({foo, bar}, baz) {
}
// Options: [{"enableFixer":true}]
// Message: Duplicate @property "cfg.foo"
/**
* @typedef (SomeType) SomeTypedef
* @property cfg
* @property cfg.foo
* @property [cfg.foo="with a default"]
* @property baz
*/
function quux ({foo, bar}, baz) {
}
// Options: [{"enableFixer":true}]
// Message: Duplicate @property "cfg.foo"
/**
* @typedef (SomeType) SomeTypedef
* @prop foo
* @prop foo
*/
// Settings: {"jsdoc":{"tagNamePreference":{"property":"prop"}}}
// Options: [{"enableFixer":true}]
// Message: Duplicate @prop "foo"
/**
* @typedef (SomeType) SomeTypedef
* @property foo
*/
// Settings: {"jsdoc":{"tagNamePreference":{"property":false}}}
// Message: Unexpected tag `@property`
The following patterns are not considered problems:
/**
*
*/
/**
* @typedef (SomeType) SomeTypedef
* @property foo
*/
/**
* @typedef (SomeType) SomeTypedef
* @prop foo
*/
/**
* @typedef (SomeType) SomeTypedef
* @property foo
* @property bar
*/
/**
* @typedef (SomeType) SomeTypedef
* @property foo
* @property foo.foo
* @property bar
*/
/**
* Assign the project to a list of employees.
* @typedef (SomeType) SomeTypedef
* @property {object[]} employees - The employees who are responsible for the project.
* @property {string} employees[].name - The name of an employee.
* @property {string} employees[].department - The employee's department.
*/
/**
* @typedef (SomeType) SomeTypedef
* @property {Error} error Exit code
* @property {number} [code = 1] Exit code
*/
/**
* @namespace (SomeType) SomeNamespace
* @property {Error} error Exit code
* @property {number} [code = 1] Exit code
*/
/**
* @class
* @property {Error} error Exit code
* @property {number} [code = 1] Exit code
*/
function quux (code = 1) {
this.error = new Error('oops');
this.code = code;
}
/**
* @typedef (SomeType) SomeTypedef
* @property foo
* @property foo.bar
* @property foo.baz
* @property bar
*/
check-syntax
Reports against syntax not encouraged for the mode (e.g., Google Closure
Compiler in "jsdoc" or "typescript" mode). Note that this rule will not check
for types that are wholly invalid for a given mode, as that is covered by
valid-types.
Currently checks against:
- Use of
=in "jsdoc" or "typescript" mode
Note that "jsdoc" actually allows Closure syntax, but with another option available for optional parameters (enclosing the name in brackets), the rule is enforced (except under "permissive" and "closure" modes).
| Context | everywhere |
| Tags | N/A |
| Recommended | false |
The following patterns are considered problems:
/**
* @param {string=} foo
*/
function quux (foo) {
}
// Message: Syntax should not be Google Closure Compiler style.
The following patterns are not considered problems:
/**
* @param {string=} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @param {string} [foo]
*/
function quux (foo) {
}
/**
*
*/
function quux (foo) {
}
check-tag-names
Reports invalid block tag names.
Valid JSDoc 3 Block Tags are:
abstract
access
alias
async
augments
author
borrows
callback
class
classdesc
constant
constructs
copyright
default
deprecated
description
enum
event
example
exports
external
file
fires
function
generator
global
hideconstructor
ignore
implements
inheritdoc
inner
instance
interface
kind
lends
license
listens
member
memberof
memberof!
mixes
mixin
module
name
namespace
override
package
param
private
property
protected
public
readonly
requires
returns
see
since
static
summary
this
throws
todo
tutorial
type
typedef
variation
version
yields
modifies is also supported (see source)
but is undocumented.
The following synonyms are also recognized if you set them in
tagNamePreference as a key (or replacement):
arg
argument
const
constructor
defaultvalue
desc
emits
exception
extends
fileoverview
func
host
method
overview
prop
return
var
virtual
yield
If you wish to allow in certain cases both a primary tag name and its
alias(es), you can set a normally non-preferred tag name to itself to indicate
that you want to allow both the default tag (in this case @returns) and a
non-default (in this case return):
"tagNamePreference": {
"return": "return",
}
Because the tags indicated as replacements in
settings.jsdoc.tagNamePreference will automatically be considered as valid,
the above works.
For TypeScript
(or Closure), when settings.jsdoc.mode is set to typescript or closure,
one may also use the following:
template
And for Closure,
when settings.jsdoc.mode is set to closure, one may use the following (in
addition to the jsdoc and TypeScript tags–though replacing returns with
return):
define (synonym of `const` per jsdoc source)
dict
export
externs
final
implicitCast (casing distinct from that recognized by jsdoc internally)
inheritDoc (casing distinct from that recognized by jsdoc internally)
noalias
nocollapse
nocompile
noinline
nosideeffects
polymer
polymerBehavior
preserve
record (synonym of `interface` per jsdoc source)
struct
suppress
unrestricted
...and these undocumented tags which are only in source:
closurePrimitive
customElement
expose
hidden
idGenerator
meaning
mixinClass
mixinFunction
ngInject
owner
typeSummary
wizaction
Options
definedTags
Use an array of definedTags strings to configure additional, allowed tags.
The format is as follows:
{
"definedTags": ["note", "record"]
}
| Context | everywhere |
| Tags | N/A |
| Recommended | true |
| Options | definedTags |
| Settings | tagNamePreference, mode |
The following patterns are considered problems:
/** @typoo {string} */
let a;
// Message: Invalid JSDoc tag name "typoo".
/**
* @Param
*/
function quux () {
}
// Message: Invalid JSDoc tag name "Param".
/**
* @foo
*/
function quux () {
}
// Message: Invalid JSDoc tag name "foo".
/**
* @arg foo
*/
function quux (foo) {
}
// Message: Invalid JSDoc tag (preference). Replace "arg" JSDoc tag with "param".
/**
* @param foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":"arg"}}}
// Message: Invalid JSDoc tag (preference). Replace "param" JSDoc tag with "arg".
/**
* @constructor foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"tag constructor":"cons"}}}
// Message: Invalid JSDoc tag (preference). Replace "constructor" JSDoc tag with "cons".
/**
* @arg foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"arg":"somethingDifferent"}}}
// Message: Invalid JSDoc tag (preference). Replace "arg" JSDoc tag with "somethingDifferent".
/**
* @param foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":"parameter"}}}
// Message: Invalid JSDoc tag (preference). Replace "param" JSDoc tag with "parameter".
/**
* @bar foo
*/
function quux (foo) {
}
// Message: Invalid JSDoc tag name "bar".
/**
* @baz @bar foo
*/
function quux (foo) {
}
// Options: [{"definedTags":["bar"]}]
// Message: Invalid JSDoc tag name "baz".
/**
* @bar
* @baz
*/
function quux (foo) {
}
// Options: [{"definedTags":["bar"]}]
// Message: Invalid JSDoc tag name "baz".
/**
* @todo
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"todo":false}}}
// Message: Blacklisted tag found (`@todo`)
/**
* @todo
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"todo":{"message":"Please resolve to-dos or add to the tracker"}}}}
// Message: Please resolve to-dos or add to the tracker
/**
* @todo
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"todo":{"message":"Please use x-todo instead of todo","replacement":"x-todo"}}}}
// Message: Please use x-todo instead of todo
/**
* @todo
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"todo":{"message":"Please use x-todo instead of todo","replacement":"x-todo"}}}}
// Message: Please use x-todo instead of todo
/**
* @todo
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"todo":55}}}
// Message: Invalid `settings.jsdoc.tagNamePreference`. Values must be falsy, a string, or an object.
/**
* @property {object} a
* @prop {boolean} b
*/
function quux () {
}
// Message: Invalid JSDoc tag (preference). Replace "prop" JSDoc tag with "property".
/**
* @abc foo
* @abcd bar
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"abc":"abcd"}}}
// Options: [{"definedTags":["abcd"]}]
// Message: Invalid JSDoc tag (preference). Replace "abc" JSDoc tag with "abcd".
/**
* @abc
* @abcd
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"abc":"abcd"}}}
// Message: Invalid JSDoc tag (preference). Replace "abc" JSDoc tag with "abcd".
/**
* @returns
*/
function quux (foo) {}
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: Invalid JSDoc tag (preference). Replace "returns" JSDoc tag with "return".
/**
* @modifies
* @abstract
* @access
* @alias
* @async
* @augments
* @author
* @borrows
* @callback
* @class
* @classdesc
* @constant
* @constructs
* @copyright
* @default
* @deprecated
* @description
* @enum
* @event
* @example
* @exports
* @external
* @file
* @fires
* @function
* @generator
* @global
* @hideconstructor
* @ignore
* @implements
* @inheritdoc
* @inheritDoc
* @inner
* @instance
* @interface
* @kind
* @lends
* @license
* @listens
* @member
* @memberof
* @memberof!
* @mixes
* @mixin
* @module
* @name
* @namespace
* @override
* @package
* @param
* @private
* @property
* @protected
* @public
* @readonly
* @requires
* @returns
* @see
* @since
* @static
* @summary
* @this
* @throws
* @todo
* @tutorial
* @type
* @typedef
* @variation
* @version
* @yields
*/
function quux (foo) {}
// Settings: {"jsdoc":{"mode":"badMode"}}
// Message: Unrecognized value `badMode` for `settings.jsdoc.mode`.
/**
* @modifies
* @abstract
* @access
* @alias
* @async
* @augments
* @author
* @borrows
* @callback
* @class
* @classdesc
* @constant
* @constructs
* @copyright
* @default
* @deprecated
* @description
* @enum
* @event
* @example
* @exports
* @external
* @file
* @fires
* @function
* @generator
* @global
* @hideconstructor
* @ignore
* @implements
* @inheritdoc
* @inheritDoc
* @inner
* @instance
* @interface
* @kind
* @lends
* @license
* @listens
* @member
* @memberof
* @memberof!
* @mixes
* @mixin
* @module
* @name
* @namespace
* @override
* @package
* @param
* @private
* @property
* @protected
* @public
* @readonly
* @requires
* @returns
* @see
* @since
* @static
* @summary
* @this
* @throws
* @todo
* @tutorial
* @type
* @typedef
* @variation
* @version
* @yields
* @template
*/
function quux (foo) {}
// Message: Invalid JSDoc tag name "template".
/**
* @externs
*/
function quux (foo) {}
// Message: Invalid JSDoc tag name "externs".
The following patterns are not considered problems:
/**
* @param foo
*/
function quux (foo) {
}
/**
* @memberof! foo
*/
function quux (foo) {
}
/**
* @arg foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":"arg"}}}
/**
* @bar foo
*/
function quux (foo) {
}
// Options: [{"definedTags":["bar"]}]
/**
* @baz @bar foo
*/
function quux (foo) {
}
// Options: [{"definedTags":["baz","bar"]}]
/**
* @baz @bar foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":"baz","returns":{"message":"Prefer `bar`","replacement":"bar"},"todo":false}}}
/**
* @returns
*/
function quux (foo) {}
/**
* @return
*/
function quux (foo) {}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @modifies
* @abstract
* @access
* @alias
* @async
* @augments
* @author
* @borrows
* @callback
* @class
* @classdesc
* @constant
* @constructs
* @copyright
* @default
* @deprecated
* @description
* @enum
* @event
* @example
* @exports
* @external
* @file
* @fires
* @function
* @generator
* @global
* @hideconstructor
* @ignore
* @implements
* @inheritdoc
* @inheritDoc
* @inner
* @instance
* @interface
* @kind
* @lends
* @license
* @listens
* @member
* @memberof
* @memberof!
* @mixes
* @mixin
* @module
* @name
* @namespace
* @override
* @package
* @param
* @private
* @property
* @protected
* @public
* @readonly
* @requires
* @returns
* @see
* @since
* @static
* @summary
* @this
* @throws
* @todo
* @tutorial
* @type
* @typedef
* @variation
* @version
* @yields
*/
function quux (foo) {}
/**
* @modifies
* @abstract
* @access
* @alias
* @async
* @augments
* @author
* @borrows
* @callback
* @class
* @classdesc
* @constant
* @constructs
* @copyright
* @default
* @deprecated
* @description
* @enum
* @event
* @example
* @exports
* @external
* @file
* @fires
* @function
* @generator
* @global
* @hideconstructor
* @ignore
* @implements
* @inheritdoc
* @inheritDoc
* @inner
* @instance
* @interface
* @kind
* @lends
* @license
* @listens
* @member
* @memberof
* @memberof!
* @mixes
* @mixin
* @module
* @name
* @namespace
* @override
* @package
* @param
* @private
* @property
* @protected
* @public
* @readonly
* @requires
* @returns
* @see
* @since
* @static
* @summary
* @this
* @throws
* @todo
* @tutorial
* @type
* @typedef
* @variation
* @version
* @yields
* @template
*/
function quux (foo) {}
// Settings: {"jsdoc":{"mode":"typescript"}}
/**
* @externs
*/
function quux (foo) {}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
*
*/
function quux (foo) {
}
/**
* @todo
*/
function quux () {
}
/**
* @extends Foo
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"augments":{"message":"@extends is to be used over @augments.","replacement":"extends"}}}}
/**
* (Set tag name preference to itself to get aliases to
* work along with main tag name.)
* @augments Bar
* @extends Foo
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"extends":"extends"}}}
/**
* Registers the `target` class as a transient dependency; each time the dependency is resolved a new instance will be created.
*
* @param target - The class / constructor function to register as transient.
*
* @example ```ts
@transient()
class Foo { }
```
* @param Time for a new tag
*/
export function transient<T>(target?: T): T {
// ...
}
check-types
Reports invalid types.
By default, ensures that the casing of native types is the same as in this list:
undefined
null
boolean
number
bigint
string
symbol
object
Array
Function
Date
RegExp
Options
check-types allows one option:
- An option object:
- with the key
noDefaultsto insist that only the supplied option type map is to be used, and that the default preferences (such as "string" over "String") will not be enforced. The option's default isfalse. - with the key
exemptTagContextswhich will avoid reporting when a bad type is found on a specified tag. Set to an array of objects with a keytagset to the tag to exempt, and atypeskey which can either betrueto indicate that any types on that tag will be allowed, or to an array of strings which will only allow specific bad types. If an array of strings is given, these must match the type exactly, e.g., if you only allow"object", it will not allow"object<string, string>". Note that this is different from the behavior ofsettings.jsdoc.preferredTypes. This option is useful for normally restricting generic types likeobjectwithpreferredTypes, but allowingtypedefto indicate that its base type isobject. - with the key
unifyParentAndChildTypeCheckswhich will treatsettings.jsdoc.preferredTypeskeys such asSomeTypeas matching not only child types such as an unadornedSomeTypebut alsoSomeType<aChildType>,SomeType.<aChildType>, or ifSomeTypeisArray(or[]), it will matchaChildType[]. If this isfalseor unset, the former format will only apply to types which are not parent types/unions whereas the latter formats will only apply for parent types/unions. The special types[],.<>(or.), and<>act only as parent types (and will not match a bare child type such asArrayeven when unified, though, as mentioned,Arraywill match saystring[]orArray.<string>when unified). The special type*is only a child type. Note that there is no detection of parent and child type together, e.g., you cannot specify preferences forstring[]specifically as distinct from saynumber[], but you can target both with[]or the child typesnumberorstring.
- with the key
If a value is present both as a key and as a value, neither the key nor the
value will be reported. Thus one can use this fact to allow both object
and Object, for example. Note that in "typescript" mode, this is the default
behavior.
See also the documentation on settings.jsdoc.preferredTypes which impacts
the behavior of check-types.
Note that if there is an error parsing
types for a tag, the function will silently ignore that tag, leaving it to
the valid-types rule to report parsing errors.
Why not capital case everything?
Why are boolean, number and string exempt from starting with a capital
letter? Let's take string as an example. In Javascript, everything is an
object. The string Object has prototypes for string functions such as
.toUpperCase().
Fortunately we don't have to write new String() everywhere in our code.
Javascript will automatically wrap string primitives into string Objects when
we're applying a string function to a string primitive. This way the memory
footprint is a tiny little bit smaller, and the
GC has
less work to do.
So in a sense, there two types of strings in Javascript; {string} literals,
also called primitives and {String} Objects. We use the primitives because
it's easier to write and uses less memory. {String} and {string} are
technically both valid, but they are not the same.
new String('lard') // String {0: "l", 1: "a", 2: "r", 3: "d", length: 4}
'lard' // "lard"
new String('lard') === 'lard' // false
To make things more confusing, there are also object literals and object Objects. But object literals are still static Objects and object Objects are instantiated Objects. So an object primitive is still an object Object.
However, Object.create(null) objects are not instanceof Object, however, so
in the case of this Object we lower-case to indicate possible support for
these objects.
Basically, for primitives, we want to define the type as a primitive, because
that's what we use in 99.9% of cases. For everything else, we use the type
rather than the primitive. Otherwise it would all just be {object}.
In short: It's not about consistency, rather about the 99.9% use case. (And some functions might not even support the objects if they are checking for identity.)
| type name | typeof |
check-types | testcase |
|---|---|---|---|
| Array | object | Array | ([]) instanceof Array -> true |
| Function | function | Function | (function f () {}) instanceof Function -> true |
| Date | object | Date | (new Date()) instanceof Date -> true |
| RegExp | object | RegExp | (new RegExp(/.+/)) instanceof RegExp -> true |
| Object | object | object | ({}) instanceof Object -> true but Object.create(null) instanceof Object -> false |
| Boolean | boolean | boolean | (true) instanceof Boolean -> false |
| Number | number | number | (41) instanceof Number -> false |
| String | string | string | ("test") instanceof String -> false |
If you define your own tags and don't wish their bracketed portions checked
for types, you can use settings.jsdoc.structuredTags with a tag type of
false.
| Context | everywhere |
| Tags | augments, class, constant, enum, implements, member, module, namespace, param, property, returns, throws, type, typedef, yields |
| Aliases | constructor, const, extends, var, arg, argument, prop, return, exception, yield |
| Closure-only | package, private, protected, public, static |
| Recommended | true |
| Options | noDefaults, exemptTagContexts, unifyParentAndChildTypeChecks |
| Settings | preferredTypes, mode, structuredTags |
The following patterns are considered problems:
/**
* @param {abc} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":100}}}
// Message: Invalid `settings.jsdoc.preferredTypes`. Values must be falsy, a string, or an object.
/**
* @param {Number} foo
*/
function quux (foo) {
}
// Message: Invalid JSDoc @param "foo" type "Number"; prefer: "number".
/**
* @arg {Number} foo
*/
function quux (foo) {
}
// Message: Invalid JSDoc @arg "foo" type "Number"; prefer: "number".
/**
* @returns {Number} foo
* @throws {Number} foo
*/
function quux () {
}
// Message: Invalid JSDoc @returns type "Number"; prefer: "number".
/**
* @param {(Number | string | Boolean)=} foo
*/
function quux (foo, bar, baz) {
}
// Message: Invalid JSDoc @param "foo" type "Number"; prefer: "number".
/**
* @param {Array.<Number | String>} foo
*/
function quux (foo, bar, baz) {
}
// Message: Invalid JSDoc @param "foo" type "Number"; prefer: "number".
/**
* @param {(Number | String)[]} foo
*/
function quux (foo, bar, baz) {
}
// Message: Invalid JSDoc @param "foo" type "Number"; prefer: "number".
/**
* @param {abc} foo
*/
function qux(foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":"Abc","string":"Str"}}}
// Message: Invalid JSDoc @param "foo" type "abc"; prefer: "Abc".
/**
* @param {abc} foo
*/
function qux(foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":{"replacement":"Abc"},"string":"Str"}}}
// Message: Invalid JSDoc @param "foo" type "abc"; prefer: "Abc".
/**
* @param {abc} foo
*/
function qux(foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":{"message":"Messed up JSDoc @{{tagName}}{{tagValue}} type \"abc\"; prefer: \"Abc\".","replacement":"Abc"},"string":"Str"}}}
// Message: Messed up JSDoc @param "foo" type "abc"; prefer: "Abc".
/**
* @param {abc} foo
* @param {cde} bar
* @param {object} baz
*/
function qux(foo, bar, baz) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":{"message":"Messed up JSDoc @{{tagName}}{{tagValue}} type \"abc\"; prefer: \"Abc\".","replacement":"Abc"},"cde":{"message":"More messed up JSDoc @{{tagName}}{{tagValue}} type \"cde\"; prefer: \"Cde\".","replacement":"Cde"},"object":"Object"}}}
// Message: Messed up JSDoc @param "foo" type "abc"; prefer: "Abc".
/**
* @param {abc} foo
*/
function qux(foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":{"message":"Messed up JSDoc @{{tagName}}{{tagValue}} type \"abc\".","replacement":false},"string":"Str"}}}
// Message: Messed up JSDoc @param "foo" type "abc".
/**
* @param {abc} foo
*/
function qux(foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":{"message":"Messed up JSDoc @{{tagName}}{{tagValue}} type \"abc\"."},"string":"Str"}}}
// Message: Messed up JSDoc @param "foo" type "abc".
/**
* @param {abc} foo
* @param {Number} bar
*/
function qux(foo, bar) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":"Abc","string":"Str"}}}
// Options: [{"noDefaults":true}]
// Message: Invalid JSDoc @param "foo" type "abc"; prefer: "Abc".
/**
* @param {abc} foo
* @param {Number} bar
*/
function qux(foo, bar) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":"Abc","string":"Str"}}}
// Message: Invalid JSDoc @param "foo" type "abc"; prefer: "Abc".
/**
* @param {abc} foo
*/
function qux(foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":false,"string":"Str"}}}
// Message: Invalid JSDoc @param "foo" type "abc".
/**
* @param {abc} foo
*/
function qux(foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":false}}}
// Message: Invalid JSDoc @param "foo" type "abc".
/**
* @param {*} baz
*/
function qux(baz) {
}
// Settings: {"jsdoc":{"preferredTypes":{"*":false,"abc":"Abc","string":"Str"}}}
// Message: Invalid JSDoc @param "baz" type "*".
/**
* @param {*} baz
*/
function qux(baz) {
}
// Settings: {"jsdoc":{"preferredTypes":{"*":"aaa","abc":"Abc","string":"Str"}}}
// Message: Invalid JSDoc @param "baz" type "*"; prefer: "aaa".
/**
* @param {abc} foo
* @param {Number} bar
*/
function qux(foo, bar) {
}
// Settings: {"jsdoc":{"preferredTypes":{"abc":"Abc","string":"Str"}}}
// Message: Invalid JSDoc @param "foo" type "abc"; prefer: "Abc".
/**
* @param {Array} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array":"GenericArray"}}}
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "GenericArray".
/**
* @param {Array} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array":"GenericArray","Array.<>":"GenericArray"}}}
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "GenericArray".
/**
* @param {Array.<string>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array.<>":"GenericArray"}}}
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "GenericArray".
/**
* @param {Array<string>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array<>":"GenericArray"}}}
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "GenericArray".
/**
* @param {string[]} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"[]":"SpecialTypeArray"}}}
// Message: Invalid JSDoc @param "foo" type "[]"; prefer: "SpecialTypeArray".
/**
* @param {string[]} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"[]":"SpecialTypeArray"}}}
// Options: [{"unifyParentAndChildTypeChecks":true}]
// Message: Invalid JSDoc @param "foo" type "[]"; prefer: "SpecialTypeArray".
/**
* @param {string[]} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array":"SpecialTypeArray"}}}
// Options: [{"unifyParentAndChildTypeChecks":true}]
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "SpecialTypeArray".
/**
* @param {object} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject"}}}
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
* @param {object} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject","object.<>":"GenericObject"}}}
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
* @param {object} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject","object<>":"GenericObject"}}}
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
* @param {object.<string>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object.<>":"GenericObject"}}}
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
* @param {object<string>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object<>":"GenericObject"}}}
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
* @param {object.<string, number>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object.<>":"GenericObject"}}}
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
* @param {object<string, number>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object<>":"GenericObject"}}}
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
* @param {object.<string>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject"}}}
// Options: [{"unifyParentAndChildTypeChecks":true}]
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
* @param {object<string>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject"}}}
// Options: [{"unifyParentAndChildTypeChecks":true}]
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
* @param {object} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject"}}}
// Options: [{"unifyParentAndChildTypeChecks":true}]
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
* @param {object} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":false}}}
// Options: [{"unifyParentAndChildTypeChecks":true}]
// Message: Invalid JSDoc @param "foo" type "object".
/**
* @param {object} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":false}}}
// Message: Invalid JSDoc @param "foo" type "object".
/**
* @param {object.<string, number>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject"}}}
// Options: [{"unifyParentAndChildTypeChecks":true}]
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
* @param {object<string, number>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject"}}}
// Options: [{"unifyParentAndChildTypeChecks":true}]
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "GenericObject".
/**
*
* @param {string[][]} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"[]":"Array."}}}
// Message: Invalid JSDoc @param "foo" type "[]"; prefer: "Array.".
/**
*
* @param {string[][]} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"[]":"Array.<>"}}}
// Message: Invalid JSDoc @param "foo" type "[]"; prefer: "Array.<>".
/**
*
* @param {string[][]} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"[]":"Array<>"}}}
// Message: Invalid JSDoc @param "foo" type "[]"; prefer: "Array<>".
/**
*
* @param {object.<string, object.<string, string>>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object.":"Object"}}}
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "Object".
/**
*
* @param {object.<string, object.<string, string>>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object.":"Object<>"}}}
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "Object<>".
/**
*
* @param {object<string, object<string, string>>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object<>":"Object."}}}
// Message: Invalid JSDoc @param "foo" type "object"; prefer: "Object.".
/**
*
* @param {Array.<Array.<string>>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array.":"[]"}}}
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "[]".
/**
*
* @param {Array.<Array.<string>>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array.":"Array<>"}}}
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "Array<>".
/**
*
* @param {Array.<Array.<string>>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array.":"<>"}}}
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "<>".
/**
*
* @param {Array.<MyArray.<string>>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array.":"<>"}}}
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "<>".
/**
*
* @param {Array.<MyArray.<string>>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"MyArray.":"<>"}}}
// Message: Invalid JSDoc @param "foo" type "MyArray"; prefer: "<>".
/**
*
* @param {Array<Array<string>>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"<>":"Array."}}}
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "Array.".
/**
*
* @param {Array<Array<string>>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array":"Array."}}}
// Options: [{"unifyParentAndChildTypeChecks":true}]
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "Array.".
/**
*
* @param {Array<Array<string>>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"<>":"[]"}}}
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "[]".
/** @typedef {String} foo */
// Message: Invalid JSDoc @typedef "foo" type "String"; prefer: "string".
/**
* @this {array}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: Invalid JSDoc @this type "array"; prefer: "Array".
/**
* @export {array}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: Invalid JSDoc @export type "array"; prefer: "Array".
/**
* @typedef {object} foo
* @property {object} bar
*/
// Settings: {"jsdoc":{"preferredTypes":{"object":"Object"}}}
// Options: [{"exemptTagContexts":[{"tag":"typedef","types":true}]}]
// Message: Invalid JSDoc @property "bar" type "object"; prefer: "Object".
/** @typedef {object} foo */
// Settings: {"jsdoc":{"preferredTypes":{"object":"Object"}}}
// Options: [{"exemptTagContexts":[{"tag":"typedef","types":["array"]}]}]
// Message: Invalid JSDoc @typedef "foo" type "object"; prefer: "Object".
/**
* @typedef {object} foo
* @property {object} bar
*/
// Settings: {"jsdoc":{"preferredTypes":{"object":"Object"}}}
// Options: [{"exemptTagContexts":[{"tag":"typedef","types":["object"]}]}]
// Message: Invalid JSDoc @property "bar" type "object"; prefer: "Object".
/** @typedef {object<string, string>} foo */
// Settings: {"jsdoc":{"preferredTypes":{"object<>":"Object<>"}}}
// Options: [{"exemptTagContexts":[{"tag":"typedef","types":["object"]}]}]
// Message: Invalid JSDoc @typedef "foo" type "object"; prefer: "Object<>".
/**
* @param {Array<number | undefined>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array.<>":"[]","Array<>":"[]"}}}
// Message: Invalid JSDoc @param "foo" type "Array"; prefer: "[]".
/**
* @typedef {object} foo
*/
function a () {}
/**
* @typedef {Object} foo
*/
function b () {}
// Settings: {"jsdoc":{"mode":"typescript","preferredTypes":{"object":"Object"}}}
// Message: Invalid JSDoc @typedef "foo" type "object"; prefer: "Object".
/**
* @aCustomTag {Number} foo
*/
// Settings: {"jsdoc":{"structuredTags":{"aCustomTag":{"type":true}}}}
// Message: Invalid JSDoc @aCustomTag "foo" type "Number"; prefer: "number".
The following patterns are not considered problems:
/**
* @param {number} foo
* @param {Bar} bar
* @param {*} baz
*/
function quux (foo, bar, baz) {
}
/**
* @arg {number} foo
* @arg {Bar} bar
* @arg {*} baz
*/
function quux (foo, bar, baz) {
}
/**
* @param {(number | string | boolean)=} foo
*/
function quux (foo, bar, baz) {
}
/**
* @param {typeof bar} foo
*/
function qux(foo) {
}
/**
* @param {import('./foo').bar.baz} foo
*/
function qux(foo) {
}
/**
* @param {(x: number, y: string) => string} foo
*/
function qux(foo) {
}
/**
* @param {() => string} foo
*/
function qux(foo) {
}
/**
* @returns {Number} foo
* @throws {Number} foo
*/
function quux () {
}
// Options: [{"noDefaults":true}]
/**
* @param {Object} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"Object"}}}
/**
* @param {Array} foo
*/
function quux (foo) {
}
/**
* @param {Array.<string>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array":"GenericArray"}}}
/**
* @param {Array<string>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array":"GenericArray"}}}
/**
* @param {string[]} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array":"SpecialTypeArray","Array.<>":"SpecialTypeArray","Array<>":"SpecialTypeArray"}}}
/**
* @param {string[]} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array.<>":"SpecialTypeArray","Array<>":"SpecialTypeArray"}}}
// Options: [{"unifyParentAndChildTypeChecks":true}]
/**
* @param {Array} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"[]":"SpecialTypeArray"}}}
/**
* @param {Array} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"[]":"SpecialTypeArray"}}}
// Options: [{"unifyParentAndChildTypeChecks":true}]
/**
* @param {Array} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array.<>":"GenericArray"}}}
/**
* @param {Array} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"Array<>":"GenericArray"}}}
/**
* @param {object} foo
*/
function quux (foo) {
}
/**
* @param {object.<string>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject"}}}
/**
* @param {object<string>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject"}}}
/**
* @param {object.<string, number>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject"}}}
/**
* @param {object<string, number>} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object":"GenericObject"}}}
/**
* @param {object} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object.<>":"GenericObject"}}}
/**
* @param {object} foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"preferredTypes":{"object<>":"GenericObject"}}}
/**
* @param {Number<} Ignore the error as not a validating rule
*/
function quux (foo) {
}
/** @param {function(...)} callback The function to invoke. */
var subscribe = function(callback) {};
/**
* @this {Array}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @export {Array}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
/** @type {new() => EntityBase} */
/** @typedef {object} foo */
// Settings: {"jsdoc":{"preferredTypes":{"object":"Object"}}}
// Options: [{"exemptTagContexts":[{"tag":"typedef","types":true}]}]
/** @typedef {object<string, string>} foo */
// Settings: {"jsdoc":{"preferredTypes":{"object":"Object"}}}
/** @typedef {object<string, string>} foo */
// Settings: {"jsdoc":{"preferredTypes":{"object<>":"Object<>"}}}
// Options: [{"exemptTagContexts":[{"tag":"typedef","types":["object<string, string>"]}]}]
/**
* @typedef {object} foo
*/
/**
* @typedef {Object} foo
*/
// Settings: {"jsdoc":{"preferredTypes":{"object":"Object","Object":"object"}}}
/**
* @typedef {object} foo
*/
function a () {}
/**
* @typedef {Object} foo
*/
function b () {}
// Settings: {"jsdoc":{"preferredTypes":{"object":"Object","Object":"object"}}}
/**
* @typedef {object} foo
*/
function a () {}
/**
* @typedef {Object} foo
*/
function b () {}
// Settings: {"jsdoc":{"mode":"typescript"}}
/**
* @aCustomTag {Number} foo
*/
// Settings: {"jsdoc":{"structuredTags":{"aCustomTag":{"type":false}}}}
check-values
This rule checks the values for a handful of tags:
@version- Checks that there is a present and valid semver version value.@since- As with@version@license- Checks that there is a present and valid SPDX identifier or is present within anallowedLicensesoption.@author- Checks there is a value present, and if the optionallowedAuthorsis present, ensure that the author value is one of these array items.
Options
allowedAuthors
An array of allowable author values. If absent, only non-whitespace will be checked for.
allowedLicenses
An array of allowable license values or true to allow any license text.
If present as an array, will be used in place of SPDX identifiers.
licensePattern
A string to be converted into a RegExp (with u flag) and whose first
parenthetical grouping, if present, will match the portion of the license
description to check (if no grouping is present, then the whole portion
matched will be used). Defaults to ([^\n]*), i.e., the SPDX expression
is expected before any line breaks.
| Context | everywhere |
| Tags | @version, @since, @license, @author |
| Recommended | true |
| Options | allowedAuthors, allowedLicenses, licensePattern |
| Settings | tagNamePreference |
The following patterns are considered problems:
/**
* @version
*/
function quux (foo) {
}
// Message: Missing JSDoc @version.
/**
* @version 3.1
*/
function quux (foo) {
}
// Message: Invalid JSDoc @version: "3.1".
/**
* @since
*/
function quux (foo) {
}
// Message: Missing JSDoc @since.
/**
* @since 3.1
*/
function quux (foo) {
}
// Message: Invalid JSDoc @since: "3.1".
/**
* @license
*/
function quux (foo) {
}
// Message: Missing JSDoc @license.
/**
* @license FOO
*/
function quux (foo) {
}
// Message: Invalid JSDoc @license: "FOO"; expected SPDX expression: https://spdx.org/licenses/.
/**
* @license FOO
*/
function quux (foo) {
}
// Options: [{"allowedLicenses":["BAR","BAX"]}]
// Message: Invalid JSDoc @license: "FOO"; expected one of BAR, BAX.
/**
* @license MIT-7
* Some extra text...
*/
function quux (foo) {
}
// Message: Invalid JSDoc @license: "MIT-7"; expected SPDX expression: https://spdx.org/licenses/.
/**
* @license (MIT OR GPL-2.5)
*/
function quux (foo) {
}
// Message: Invalid JSDoc @license: "(MIT OR GPL-2.5)"; expected SPDX expression: https://spdx.org/licenses/.
/**
* @license MIT
* Some extra text
*/
function quux (foo) {
}
// Options: [{"licensePattern":"[\\s\\S]*"}]
// Message: Invalid JSDoc @license: "MIT
Some extra text"; expected SPDX expression: https://spdx.org/licenses/.
/**
* @author
*/
function quux (foo) {
}
// Message: Missing JSDoc @author.
/**
* @author Brett Zamir
*/
function quux (foo) {
}
// Options: [{"allowedAuthors":["Gajus Kuizinas","golopot"]}]
// Message: Invalid JSDoc @author: "Brett Zamir"; expected one of Gajus Kuizinas, golopot.
The following patterns are not considered problems:
/**
* @version 3.4.1
*/
function quux (foo) {
}
/**
* @version 3.4.1
*/
function quux (foo) {
}
/**
* @since 3.4.1
*/
function quux (foo) {
}
/**
* @since 3.4.1
*/
function quux (foo) {
}
/**
* @license MIT
*/
function quux (foo) {
}
/**
* @license MIT
* Some extra text...
*/
function quux (foo) {
}
/**
* @license (MIT OR GPL-2.0)
*/
function quux (foo) {
}
/**
* @license FOO
*/
function quux (foo) {
}
// Options: [{"allowedLicenses":["FOO","BAR","BAX"]}]
/**
* @license FOO
*/
function quux (foo) {
}
// Options: [{"allowedLicenses":true}]
/**
* @license MIT
* Some extra text
*/
function quux (foo) {
}
// Options: [{"licensePattern":"[^\n]*"}]
/**
* @author Gajus Kuizinas
*/
function quux (foo) {
}
/**
* @author Brett Zamir
*/
function quux (foo) {
}
// Options: [{"allowedAuthors":["Gajus Kuizinas","golopot","Brett Zamir"]}]
empty-tags
Expects the following tags to be empty of any content:
@abstract@async@generator@global@hideconstructor@ignore@inheritdoc@inner@instance@internal(used by TypeScript)@override@readonly
The following will also be expected to be empty unless settings.jsdoc.mode
is set to "closure" (which allows types).
@package@private@protected@public@static
Note that @private will still be checked for content by this rule even with
settings.jsdoc.ignorePrivate set to true (a setting which normally
causes rules not to take effect).
Similarly, @internal will still be checked for content by this rule even with
settings.jsdoc.ignoreInternal set to true.
Options
tags
If you want additional tags to be checked for their descriptions, you may add them within this option.
{
'jsdoc/empty-tags': ['error', {tags: ['event']}]
}
| Context | everywhere |
| Tags | abstract, async, generator, global, hideconstructor, ignore, inheritdoc, inner, instance, internal, override, readonly, package, private, protected, public, static and others added by tags |
| Recommended | true |
| Options | tags |
| The following patterns are considered problems: |
/**
* @abstract extra text
*/
function quux () {
}
// Message: @abstract should be empty.
class Test {
/**
* @abstract extra text
*/
quux () {
}
}
// Message: @abstract should be empty.
/**
* @abstract extra text
* @inheritdoc
* @async out of place
*/
function quux () {
}
// Message: @abstract should be empty.
/**
* @event anEvent
*/
function quux () {
}
// Options: [{"tags":["event"]}]
// Message: @event should be empty.
/**
* @private {someType}
*/
function quux () {
}
// Message: @private should be empty.
/**
* @internal {someType}
*/
function quux () {
}
// Message: @internal should be empty.
/**
* @private {someType}
*/
function quux () {
}
// Settings: {"jsdoc":{"ignorePrivate":true}}
// Message: @private should be empty.
The following patterns are not considered problems:
/**
* @abstract
*/
function quux () {
}
/**
*
*/
function quux () {
}
/**
* @param aName
*/
function quux () {
}
/**
* @abstract
* @inheritdoc
* @async
*/
function quux () {
}
/**
* @private {someType}
*/
function quux () {
}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @private
*/
function quux () {
}
/**
* @internal
*/
function quux () {
}
implements-on-classes
Reports an issue with any non-constructor function using @implements.
Constructor functions, whether marked with @class, @constructs, or being
an ES6 class constructor, will not be flagged.
To indicate that a function follows another function's signature, one might
instead use @type to indicate the @function or @callback to which the
function is adhering.
Options
contexts
Set this to an array of strings representing the AST context where you wish the rule to be applied.
Overrides the default contexts (see below). Set to "any" if you want
the rule to apply to any jsdoc block throughout your files (as is necessary
for finding function blocks not attached to a function declaration or
expression, i.e., @callback or @function (or its aliases @func or
@method) (including those associated with an @interface).
See the "AST and Selectors" section of our README for more on the expected format.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | implements (prevented) |
| Recommended | true |
| Options | contexts |
The following patterns are considered problems:
/**
* @implements {SomeClass}
*/
function quux () {
}
// Message: @implements used on a non-constructor function
/**
* @implements {SomeClass}
*/
function quux () {
}
// Options: [{"contexts":["any"]}]
// Message: @implements used on a non-constructor function
/**
* @function
* @implements {SomeClass}
*/
function quux () {
}
// Options: [{"contexts":["any"]}]
// Message: @implements used on a non-constructor function
/**
* @callback
* @implements {SomeClass}
*/
// Options: [{"contexts":["any"]}]
// Message: @implements used on a non-constructor function
/**
* @implements {SomeClass}
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"implements":false}}}
// Message: Unexpected tag `@implements`
class Foo {
/**
* @implements {SomeClass}
*/
constructor() {}
/**
* @implements {SomeClass}
*/
bar() {}
}
// Options: [{"contexts":["MethodDefinition"]}]
// Message: @implements used on a non-constructor function
class Foo {
/**
* @implements {SomeClass}
*/
constructor() {}
/**
* @implements {SomeClass}
*/
bar() {}
}
// Options: [{"contexts":["any"]}]
// Message: @implements used on a non-constructor function
The following patterns are not considered problems:
/**
* @implements {SomeClass}
* @class
*/
function quux () {
}
/**
* @implements {SomeClass}
* @class
*/
function quux () {
}
// Options: [{"contexts":["any"]}]
/**
* @implements {SomeClass}
*/
// Options: [{"contexts":["any"]}]
/**
* @implements {SomeClass}
* @constructor
*/
function quux () {
}
/**
*
*/
class quux {
/**
* @implements {SomeClass}
*/
constructor () {
}
}
/**
*
*/
const quux = class {
/**
* @implements {SomeClass}
*/
constructor () {
}
}
/**
*
*/
function quux () {
}
/**
*
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"implements":false}}}
/**
* @function
* @implements {SomeClass}
*/
/**
* @callback
* @implements {SomeClass}
*/
match-description
Enforces a regular expression pattern on descriptions.
The default is this basic expression to match English sentences (Support for Unicode upper case may be added in a future version when it can be handled by our supported Node versions):
^([A-Z]|[`\\d_])[\\s\\S]*[.?!`]$
Applies to the jsdoc block description and @description (or @desc)
by default but the tags option (see below) may be used to match other tags.
Options
matchDescription
You can supply your own expression to override the default, passing a
matchDescription string on the options object.
{
'jsdoc/match-description': ['error', {matchDescription: '[A-Z].*\\.'}]
}
As with the default, the supplied regular expression will be applied with the
Unicode ("u") flag and is not case-insensitive.
tags
If you want different regular expressions to apply to tags, you may use
the tags option object:
{
'jsdoc/match-description': ['error', {tags: {
param: '\\- [A-Z].*\\.',
returns: '[A-Z].*\\.'
}}]
}
In place of a string, you can also add true to indicate that a particular
tag should be linted with the matchDescription value (or the default).
{
'jsdoc/match-description': ['error', {tags: {
param: true,
returns: true
}}]
}
The tags @param/@arg/@argument and @property/@prop will be properly
parsed to ensure that the matched "description" text includes only the text
after the name.
All other tags will treat the text following the tag name, a space, and
an optional curly-bracketed type expression (and another space) as part of
its "description" (e.g., for @returns {someType} some description, the
description is some description while for @some-tag xyz, the description
is xyz).
mainDescription
If you wish to override the main function description without changing the
default match-description, you may use mainDescription:
{
'jsdoc/match-description': ['error', {
mainDescription: '[A-Z].*\\.',
tags: {
param: true,
returns: true
}
}]
}
There is no need to add mainDescription: true, as by default, the main
function (and only the main function) is linted, though you may disable
checking it by setting it to false.
contexts
Set this to an array of strings representing the AST context
where you wish the rule to be applied (e.g., ClassDeclaration for ES6
classes). Overrides the default contexts (see below). Set to "any" if you
want the rule to apply to any jsdoc block throughout your files.
See the "AST and Selectors" section of our README for more on the expected format.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | docblock and @description by default but more with tags |
| Aliases | @desc |
| Recommended | false |
| Settings | |
| Options | contexts, tags (accepts tags with names and optional type such as 'param', 'arg', 'argument', 'property', and 'prop', and accepts arbitrary list of other tags with an optional type (but without names), e.g., 'returns', 'return'), mainDescription, matchDescription |
The following patterns are considered problems:
/**
* foo.
*/
const q = class {
}
// Options: [{"contexts":["ClassExpression"]}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* foo.
*/
// Options: [{"contexts":["any"]}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* foo.
*/
// Options: [{"contexts":["any"]}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* foo.
*/
const q = {
};
// Options: [{"contexts":["ObjectExpression"]}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* foo.
*/
function quux () {
}
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo)
*/
function quux () {
}
// Message: JSDoc description does not satisfy the regex pattern.
/**
* тест.
*/
function quux () {
}
// Options: [{"matchDescription":"[А-Я][А-я]+\\."}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Abc.
*/
function quux () {
}
// Options: [{"mainDescription":"[А-Я][А-я]+\\.","tags":{"param":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo
*/
function quux () {
}
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo.
*
* @param foo foo.
*/
function quux (foo) {
}
// Options: [{"tags":{"param":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo.
*
* @template Abc, Def foo.
*/
function quux (foo) {
}
// Options: [{"tags":{"template":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo.
*
* @prop foo foo.
*/
function quux (foo) {
}
// Options: [{"tags":{"prop":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo.
*
* @summary foo.
*/
function quux () {
}
// Options: [{"tags":{"summary":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo.
*
* @author
*/
function quux () {
}
// Options: [{"tags":{"author":".+"}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo.
*
* @x-tag
*/
function quux () {
}
// Options: [{"tags":{"x-tag":".+"}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo.
*
* @description foo foo.
*/
function quux (foo) {
}
// Options: [{"tags":{"description":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo
*
* @param foo foo.
*/
function quux (foo) {
}
// Options: [{"mainDescription":"^[a-zA-Z]*$","tags":{"param":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo
*
* @param foo foo.
*/
function quux (foo) {
}
// Options: [{"mainDescription":false,"tags":{"param":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo.
*
* @param foo bar
*/
function quux (foo) {
}
// Options: [{"tags":{"param":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* {@see Foo.bar} buz
*/
function quux (foo) {
}
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo.
*
* @returns {number} foo
*/
function quux (foo) {
}
// Options: [{"tags":{"returns":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo.
*
* @returns foo.
*/
function quux (foo) {
}
// Options: [{"tags":{"returns":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* lorem ipsum dolor sit amet, consectetur adipiscing elit. pellentesque elit diam,
* iaculis eu dignissim sed, ultrices sed nisi. nulla at ligula auctor, consectetur neque sed,
* tincidunt nibh. vivamus sit amet vulputate ligula. vivamus interdum elementum nisl,
* vitae rutrum tortor semper ut. morbi porta ante vitae dictum fermentum.
* proin ut nulla at quam convallis gravida in id elit. sed dolor mauris, blandit quis ante at,
* consequat auctor magna. duis pharetra purus in porttitor mollis.
*/
function longDescription (foo) {
}
// Message: JSDoc description does not satisfy the regex pattern.
/**
* @arg {number} foo - Foo
*/
function quux (foo) {
}
// Options: [{"tags":{"arg":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* @argument {number} foo - Foo
*/
function quux (foo) {
}
// Options: [{"tags":{"argument":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* @return {number} foo
*/
function quux (foo) {
}
// Options: [{"tags":{"return":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Returns bar.
*
* @return {number} bar
*/
function quux (foo) {
}
// Options: [{"tags":{"return":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* @param notRet
* @returns Тест.
*/
function quux () {
}
// Options: [{"tags":{"param":"[А-Я][А-я]+\\."}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* @description notRet
* @returns Тест.
*/
function quux () {
}
// Options: [{"tags":{"description":"[А-Я][А-я]+\\."}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* foo.
*/
class quux {
}
// Options: [{"contexts":["ClassDeclaration"]}]
// Message: JSDoc description does not satisfy the regex pattern.
class MyClass {
/**
* Abc
*/
myClassField = 1
}
// Options: [{"contexts":["ClassProperty"]}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* foo.
*/
interface quux {
}
// Options: [{"contexts":["TSInterfaceDeclaration"]}]
// Message: JSDoc description does not satisfy the regex pattern.
const myObject = {
/**
* Bad description
*/
myProp: true
};
// Options: [{"contexts":["Property"]}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* @param foo Foo bar
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"description":false}}}
// Options: [{"tags":{"param":true}}]
// Message: JSDoc description does not satisfy the regex pattern.
/**
* Foo bar
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"description":false}}}
// Message: JSDoc description does not satisfy the regex pattern.
The following patterns are not considered problems:
/**
*
*/
/**
*
*/
function quux () {
}
/**
* @param foo - Foo.
*/
function quux () {
}
// Options: [{"tags":{"param":true}}]
/**
* Foo.
*/
function quux () {
}
/**
* Foo.
* Bar.
*/
function quux () {
}
/**
* Foo.
*
* Bar.
*/
function quux () {
}
/**
* Тест.
*/
function quux () {
}
// Options: [{"matchDescription":"[А-Я][А-я]+\\."}]
/**
* @param notRet
* @returns Тест.
*/
function quux () {
}
// Options: [{"tags":{"returns":"[А-Я][А-я]+\\."}}]
/**
* @param notRet
* @description Тест.
*/
function quux () {
}
// Options: [{"tags":{"description":"[А-Я][А-я]+\\."}}]
/**
* Foo
* bar.
*/
function quux () {
}
/**
* @returns Foo bar.
*/
function quux () {
}
// Options: [{"tags":{"returns":true}}]
/**
* @returns {type1} Foo bar.
*/
function quux () {
}
// Options: [{"tags":{"returns":true}}]
/**
* @description Foo bar.
*/
function quux () {
}
// Options: [{"tags":{"description":true}}]
/**
* Foo. {@see Math.sin}.
*/
function quux () {
}
/**
* Foo {@see Math.sin} bar.
*/
function quux () {
}
/**
* Foo?
*
* Bar!
*
* Baz:
* 1. Foo.
* 2. Bar.
*/
function quux () {
}
/**
* Hello:
* World.
*/
function quux () {
}
/**
* Hello: world.
*/
function quux () {
}
/**
* Foo
* Bar.
*/
function quux () {
}
/**
* Foo.
*
* foo.
*/
function quux () {
}
/**
* foo.
*/
function quux () {
}
// Options: [{"mainDescription":false}]
/**
* foo.
*/
class quux {
}
/**
* foo.
*/
class quux {
}
// Options: [{"mainDescription":true}]
class MyClass {
/**
* Abc.
*/
myClassField = 1
}
// Options: [{"contexts":["ClassProperty"]}]
/**
* Foo.
*/
interface quux {
}
// Options: [{"contexts":["TSInterfaceDeclaration"]}]
const myObject = {
/**
* Bad description
*/
myProp: true
};
// Options: [{"contexts":[]}]
/**
* foo.
*/
const q = class {
}
// Options: [{"contexts":[]}]
/**
* foo.
*/
const q = {
};
// Options: [{"contexts":[]}]
/**
* @description foo.
*/
function quux () {
}
// Options: [{"tags":{"param":true}}]
/**
* Foo.
*
* @summary Foo.
*/
function quux () {
}
// Options: [{"tags":{"summary":true}}]
/**
* Foo.
*
* @author Somebody
*/
function quux () {
}
// Options: [{"tags":{"author":".+"}}]
/**
* Foo.
*
* @x-tag something
*/
function quux () {
}
// Options: [{"tags":{"x-tag":".+"}}]
/**
* Foo.
*
* @prop foo Foo.
*/
function quux (foo) {
}
// Options: [{"tags":{"prop":true}}]
/**
* @param foo Foo bar.
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"description":false}}}
/**
*
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"description":false}}}
/**
* Foo.
*
* @template Abc, Def Foo.
*/
function quux (foo) {
}
// Options: [{"tags":{"template":true}}]
newline-after-description
Enforces a consistent padding of the block description.
Options
This rule allows one optional string argument. If it is "always" then a
problem is raised when there is no newline after the description. If it is
"never" then a problem is raised when there is a newline after the
description. The default value is "always".
| Context | everywhere |
| Tags | N/A (doc block) |
| Options | (a string matching `"always" |
| Recommended | true |
The following patterns are considered problems:
/**
* Foo.
*
* Foo.
* @foo
*/
function quux () {
}
// Options: ["always"]
// Message: There must be a newline after the description of the JSDoc block.
/**
* Foo.
* @foo
*
* Foo.
*/
function quux () {
}
// Options: ["always"]
// Message: There must be a newline after the description of the JSDoc block.
/**
* Foo.
*
* Foo.
* @foo
*/
function quux () {
}
// Message: There must be a newline after the description of the JSDoc block.
/**
* Bar.
*
* Bar.
*
* @bar
*/
function quux () {
}
// Options: ["never"]
// Message: There must be no newline after the description of the JSDoc block.
/**
* Bar.
*
* @bar
*
* Bar.
*/
function quux () {
}
// Options: ["never"]
// Message: There must be no newline after the description of the JSDoc block.
/**
* Bar.
*
* Bar.
*
* @bar
*/
function quux () {
}
// Options: ["never"]
// Message: There must be no newline after the description of the JSDoc block.
/**
* A.
*
* @typedef {object} A
* @prop {boolean} a A.
*/
// Options: ["never"]
// Message: There must be no newline after the description of the JSDoc block.
/**
* A.
* @typedef {object} A
* @prop {boolean} a A.
*/
// Options: ["always"]
// Message: There must be a newline after the description of the JSDoc block.
/**
* Service for fetching symbols.
* @param {object} $http - Injected http helper.
* @param {object} $q - Injected Promise api helper.
* @param {object} $location - Injected window location object.
* @param {object} REPORT_DIALOG_CONSTANTS - Injected handle.
*/
// Message: There must be a newline after the description of the JSDoc block.
The following patterns are not considered problems:
/**
* Foo.
*/
function quux () {
}
// Options: ["always"]
/**
* Bar.
*/
function quux () {
}
// Options: ["never"]
/**
* Foo.
*
* @foo
*/
function quux () {
}
// Options: ["always"]
/**
* Bar.
* @bar
*/
function quux () {
}
// Options: ["never"]
/**
* @foo
* Test
* abc
* @bar
*/
/**
*
* @foo
* Test
* abc
* @bar
*/
/***
*
*/
function quux () {
}
// Options: ["always"]
/**
* Parses query string to object containing URL parameters
*
* @param queryString
* Input string
*
* @returns
* Object containing URL parameters
*/
export function parseQueryString(queryString: string): { [key: string]: string } { // <-- Line 10 that fails
}
no-bad-blocks
This rule checks for multi-line-style comments which fail to meet the
criteria of a jsdoc block, namely that it should begin with two asterisks,
but which appear to be intended as jsdoc blocks due to the presence
of whitespace followed by whitespace or asterisks, and
an at-sign (@) and some non-whitespace (as with a jsdoc block tag).
Options
Takes an optional options object with the following.
ignore
An array of directives that will not be reported if present at the beginning of
a multi-comment block and at-sign /* @.
Defaults to ['ts-check', 'ts-expect-error', 'ts-ignore', 'ts-nocheck']
(some directives used by TypeScript).
| Context | Everywhere |
| Tags | N/A |
| Recommended | false |
| Options | ignore |
The following patterns are considered problems:
/*
* @param foo
*/
function quux (foo) {
}
// Message: Expected JSDoc-like comment to begin with two asterisks.
/*
* @property foo
*/
// Message: Expected JSDoc-like comment to begin with two asterisks.
function quux() {
}
// Settings: {"jsdoc":{"structuredTags":{"see":{"name":false,"required":["name"]}}}}
// Message: Cannot add "name" to `require` with the tag's `name` set to `false`
/* @ts-ignore */
// Options: [{"ignore":[]}]
// Message: Expected JSDoc-like comment to begin with two asterisks.
/*
* Some description.
*
* @returns {string} Some string
*/
function echo() {
return 'Something';
}
// Message: Expected JSDoc-like comment to begin with two asterisks.
The following patterns are not considered problems:
/**
* @property foo
*/
/**
* @param foo
*/
function quux () {
}
function quux () {
}
/* This could just be intended as a regular multiline comment,
so don't report this */
function quux () {
}
/* Just a regular multiline comment with an `@` but not appearing
like a tag in a jsdoc-block, so don't report */
function quux () {
}
/* @ts-check */
/* @ts-expect-error */
/* @ts-ignore */
/* @ts-nocheck */
/* @custom */
// Options: [{"ignore":["custom"]}]
no-defaults
This rule reports defaults being used on the relevant portion of @param
or @default. It also optionally reports the presence of the
square-bracketed optional arguments at all.
The rule is intended to prevent the indication of defaults on tags where
this would be redundant with ES6 default parameters (or for @default,
where it would be redundant with the context to which the @default
tag is attached).
Unless your @default is on a function, you will need to set contexts
to an appropriate context, including, if you wish, "any".
Options
noOptionalParamNames
Set this to true to report the presence of optional parameters. May be
used if the project is insisting on optionality being indicated by
the presence of ES6 default parameters (bearing in mind that such
"defaults" are only applied when the supplied value is missing or
undefined but not for null or other "falsey" values).
contexts
Set this to an array of strings representing the AST context
where you wish the rule to be applied.
Overrides the default contexts (see below). Set to "any" if you want
the rule to apply to any jsdoc block throughout your files (as is necessary
for finding function blocks not attached to a function declaration or
expression, i.e., @callback or @function (or its aliases @func or
@method) (including those associated with an @interface).
See the "AST and Selectors" section of our README for more on the expected format.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | param, default |
| Aliases | arg, argument, defaultvalue |
| Recommended | false |
| Options | contexts, noOptionalParamNames |
The following patterns are considered problems:
/**
* @param {number} [foo="7"]
*/
function quux (foo) {
}
// Message: Defaults are not permitted on @param.
class Test {
/**
* @param {number} [foo="7"]
*/
quux (foo) {
}
}
// Message: Defaults are not permitted on @param.
/**
* @param {number} [foo="7"]
*/
function quux (foo) {
}
// Options: [{"noOptionalParamNames":true}]
// Message: Optional param names are not permitted on @param.
/**
* @arg {number} [foo="7"]
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":"arg"}}}
// Message: Defaults are not permitted on @arg.
/**
* @param {number} [foo="7"]
*/
function quux (foo) {
}
// Options: [{"contexts":["any"]}]
// Message: Defaults are not permitted on @param.
/**
* @function
* @param {number} [foo="7"]
*/
// Options: [{"contexts":["any"]}]
// Message: Defaults are not permitted on @param.
/**
* @callback
* @param {number} [foo="7"]
*/
// Options: [{"contexts":["any"]}]
// Message: Defaults are not permitted on @param.
/**
* @default {}
*/
const a = {};
// Options: [{"contexts":["any"]}]
// Message: Default values are not permitted on @default.
/**
* @defaultvalue {}
*/
const a = {};
// Settings: {"jsdoc":{"tagNamePreference":{"default":"defaultvalue"}}}
// Options: [{"contexts":["any"]}]
// Message: Default values are not permitted on @defaultvalue.
The following patterns are not considered problems:
/**
* @param foo
*/
function quux (foo) {
}
/**
* @param {number} foo
*/
function quux (foo) {
}
/**
* @param foo
*/
// Options: [{"contexts":["any"]}]
/**
* @function
* @param {number} foo
*/
/**
* @callback
* @param {number} foo
*/
/**
* @param {number} foo
*/
function quux (foo) {
}
// Options: [{"noOptionalParamNames":true}]
/**
* @default
*/
const a = {};
// Options: [{"contexts":["any"]}]
no-types
This rule reports types being used on @param or @returns.
The rule is intended to prevent the indication of types on tags where the type information would be redundant with TypeScript.
Options
contexts
Set this to an array of strings representing the AST context
where you wish the rule to be applied.
Overrides the default contexts (see below). Set to "any" if you want
the rule to apply to any jsdoc block throughout your files (as is necessary
for finding function blocks not attached to a function declaration or
expression, i.e., @callback or @function (or its aliases @func or
@method) (including those associated with an @interface).
See the "AST and Selectors" section of our README for more on the expected format.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | param, returns |
| Aliases | arg, argument, return |
| Recommended | false |
| Options | contexts |
The following patterns are considered problems:
/**
* @param {number} foo
*/
function quux (foo) {
}
// Message: Types are not permitted on @param.
class quux {
/**
* @param {number} foo
*/
bar (foo) {
}
}
// Message: Types are not permitted on @param.
/**
* @param {number} foo
*/
function quux (foo) {
}
// Options: [{"contexts":["any"]}]
// Message: Types are not permitted on @param.
class quux {
/**
* @param {number} foo
*/
quux (foo) {
}
}
// Options: [{"contexts":["any"]}]
// Message: Types are not permitted on @param.
/**
* @function
* @param {number} foo
*/
// Options: [{"contexts":["any"]}]
// Message: Types are not permitted on @param.
/**
* @callback
* @param {number} foo
*/
// Options: [{"contexts":["any"]}]
// Message: Types are not permitted on @param.
/**
* @returns {number}
*/
function quux () {
}
// Message: Types are not permitted on @returns.
/**
* Beep
* Boop
*
* @returns {number}
*/
function quux () {
}
// Message: Types are not permitted on @returns.
The following patterns are not considered problems:
/**
* @param foo
*/
function quux (foo) {
}
/**
* @param foo
*/
// Options: [{"contexts":["any"]}]
/**
* @function
* @param {number} foo
*/
/**
* @callback
* @param {number} foo
*/
no-undefined-types
Checks that types in jsdoc comments are defined. This can be used to check unimported types.
When enabling this rule, types in jsdoc comments will resolve as used
variables, i.e. will not be marked as unused by no-unused-vars.
In addition to considering globals found in code (or in ESLint-indicated
globals) as defined, the following tags will also be checked for
name(path) definitions to also serve as a potential "type" for checking
the tag types in the table below:
@callback, @class (or @constructor), @constant (or @const),
@event, @external (or @host), @function (or @func or @method),
@interface, @member (or @var), @mixin, @name, @namespace,
@template (for "closure" or "typescript" settings.jsdoc.mode only),
@typedef.
The following tags will also be checked but only when the mode is closure:
@package, @private, @protected, @public, @static
The following types are always considered defined.
null,undefined,void,string,boolean,object,function,symbolnumber,bigint,NaN,Infinityany,*Array,Object,RegExp,Date,Function
Note that preferred types indicated within settings.jsdoc.preferredTypes will
also be assumed to be defined.
Also note that if there is an error parsing
types for a tag, the function will silently ignore that tag, leaving it to
the valid-types rule to report parsing errors.
If you define your own tags, you can use settings.jsdoc.structuredTags
to indicate that a tag's name is "namepath-defining" (and should prevent
reporting on use of that namepath elsewhere) and/or that a tag's type is
false (and should not be checked for types).
Options
An option object may have the following key:
definedTypes- This array can be populated to indicate other types which are automatically considered as defined (in addition to globals, etc.). Defaults to an empty array.
| Context | everywhere |
| Tags | augments, class, constant, enum, implements, member, module, namespace, param, property, returns, throws, type, typedef, yields |
| Aliases | constructor, const, extends, var, arg, argument, prop, return, exception, yield |
| Closure-only | package, private, protected, public, static |
| Recommended | true |
| Options | definedTypes |
| Settings | preferredTypes, mode, structuredTags |
The following patterns are considered problems:
/**
* @param {HerType} baz - Foo.
*/
function quux(foo, bar, baz) {
}
// Settings: {"jsdoc":{"preferredTypes":{"HerType":1000}}}
// Message: Invalid `settings.jsdoc.preferredTypes`. Values must be falsy, a string, or an object.
/**
* @param {HerType} baz - Foo.
*/
function quux(foo, bar, baz) {
}
// Settings: {"jsdoc":{"preferredTypes":{"HerType":false}}}
// Message: The type 'HerType' is undefined.
/**
* @param {strnig} foo - Bar.
*/
function quux(foo) {
}
// Message: The type 'strnig' is undefined.
/**
* @param {MyType} foo - Bar.
* @param {HisType} bar - Foo.
*/
function quux(foo, bar) {
}
// Options: [{"definedTypes":["MyType"]}]
// Message: The type 'HisType' is undefined.
/**
* @param {MyType} foo - Bar.
* @param {HisType} bar - Foo.
* @param {HerType} baz - Foo.
*/
function quux(foo, bar, baz) {
}
// Settings: {"jsdoc":{"preferredTypes":{"hertype":{"replacement":"HerType"}}}}
// Options: [{"definedTypes":["MyType"]}]
// Message: The type 'HisType' is undefined.
/**
* @param {MyType} foo - Bar.
* @param {HisType} bar - Foo.
* @param {HerType} baz - Foo.
*/
function quux(foo, bar, baz) {
}
// Settings: {"jsdoc":{"preferredTypes":{"hertype":{"replacement":false},"histype":"HisType"}}}
// Options: [{"definedTypes":["MyType"]}]
// Message: The type 'HerType' is undefined.
/**
* @template TEMPLATE_TYPE
* @param {WRONG_TEMPLATE_TYPE} bar
*/
function foo (bar) {
};
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: The type 'WRONG_TEMPLATE_TYPE' is undefined.
class Foo {
/**
* @return {TEMPLATE_TYPE}
*/
bar () {
}
}
// Message: The type 'TEMPLATE_TYPE' is undefined.
class Foo {
/**
* @return {TEMPLATE_TYPE}
*/
invalidTemplateReference () {
}
}
/**
* @template TEMPLATE_TYPE
*/
class Bar {
/**
* @return {TEMPLATE_TYPE}
*/
validTemplateReference () {
}
}
// Settings: {"jsdoc":{"mode":"typescript"}}
// Message: The type 'TEMPLATE_TYPE' is undefined.
/**
* @type {strnig}
*/
var quux = {
};
// Message: The type 'strnig' is undefined.
/**
* @template TEMPLATE_TYPE_A, TEMPLATE_TYPE_B
*/
class Foo {
/**
* @param {TEMPLATE_TYPE_A} baz
* @return {TEMPLATE_TYPE_B}
*/
bar (baz) {
}
}
// Message: The type 'TEMPLATE_TYPE_A' is undefined.
/**
* @param {...VAR_TYPE} varargs
*/
function quux (varargs) {
}
// Message: The type 'VAR_TYPE' is undefined.
/**
* @this {Navigator}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: The type 'Navigator' is undefined.
/**
* @export {SomeType}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: The type 'SomeType' is undefined.
/**
* @aCustomTag {SomeType}
*/
function quux () {}
// Settings: {"jsdoc":{"structuredTags":{"aCustomTag":{"type":true}}}}
// Message: The type 'SomeType' is undefined.
/**
* @namepathDefiner SomeType
*/
/**
* @type {SomeType}
*/
// Settings: {"jsdoc":{"structuredTags":{"namepathDefiner":{"name":"namepath-referencing"}}}}
// Message: The type 'SomeType' is undefined.
/**
* @namepathDefiner SomeType
*/
/**
* @type {SomeType}
*/
// Message: The type 'SomeType' is undefined.
/**
* @template abc TEMPLATE_TYPE
* @param {TEMPLATE_TYPE} bar
*/
function foo (bar) {
};
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: The type 'TEMPLATE_TYPE' is undefined.
The following patterns are not considered problems:
/**
* @param {string} foo - Bar.
*/
function quux(foo) {
}
/**
* @param {Promise} foo - Bar.
*/
function quux(foo) {
}
class MyClass {}
/**
* @param {MyClass} foo - Bar.
*/
function quux(foo) {
console.log(foo);
}
quux(0);
const MyType = require('my-library').MyType;
/**
* @param {MyType} foo - Bar.
*/
function quux(foo) {
}
const MyType = require('my-library').MyType;
/**
* @param {MyType} foo - Bar.
*/
function quux(foo) {
}
const MyType = require('my-library').MyType;
/**
* @param {MyType} foo - Bar.
*/
function quux(foo) {
}
import {MyType} from 'my-library';
/**
* @param {MyType} foo - Bar.
* @param {object<string, number>} foo
* @param {Array<string>} baz
*/
function quux(foo, bar, baz) {
}
/*globals MyType*/
/**
* @param {MyType} foo - Bar.
* @param {HisType} bar - Foo.
*/
function quux(foo, bar) {
}
/**
* @typedef {object} hello
* @property {string} a - a.
*/
/**
* @param {hello} foo
*/
function quux(foo) {
}
/**
* @param {Array<syntaxError} foo
*/
function quux(foo) {
}
/**
* Callback test.
*
* @callback addStuffCallback
* @param {String} sum - An test integer.
*/
/**
* Test Eslint.
*
* @param {addStuffCallback} callback - A callback to run.
*/
function testFunction(callback) {
callback();
}
/**
*
*
*/
function foo () {
}
/**
*
*
*/
function foo () {
}
/**
* @param {MyType} foo - Bar.
* @param {HisType} bar - Foo.
*/
function quux(foo, bar) {
}
// Options: [{"definedTypes":["MyType","HisType"]}]
/**
* @param {MyType} foo - Bar.
* @param {HisType} bar - Foo.
* @param {HerType} baz - Foo.
*/
function quux(foo, bar, baz) {
}
// Settings: {"jsdoc":{"preferredTypes":{"hertype":{"replacement":"HerType"},"histype":"HisType"}}}
// Options: [{"definedTypes":["MyType"]}]
/**
* @param {MyType} foo - Bar.
* @param {HisType} bar - Foo.
* @param {HerType} baz - Foo.
*/
function quux(foo, bar, baz) {
}
// Settings: {"jsdoc":{"preferredTypes":{"hertype":{"replacement":"HerType<>"},"histype":"HisType.<>"}}}
// Options: [{"definedTypes":["MyType"]}]
/**
* @template TEMPLATE_TYPE
* @param {TEMPLATE_TYPE} bar
* @return {TEMPLATE_TYPE}
*/
function foo (bar) {
};
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @template TEMPLATE_TYPE
*/
class Foo {
/**
* @return {TEMPLATE_TYPE}
*/
bar () {
}
}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @template TEMPLATE_TYPE
*/
class Foo {
/**
* @return {TEMPLATE_TYPE}
*/
bar () {}
/**
* @return {TEMPLATE_TYPE}
*/
baz () {}
}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @template TEMPLATE_TYPE_A, TEMPLATE_TYPE_B
*/
class Foo {
/**
* @param {TEMPLATE_TYPE_A} baz
* @return {TEMPLATE_TYPE_B}
*/
bar (baz) {
}
}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @template TEMPLATE_TYPE_A, TEMPLATE_TYPE_B - Some description
*/
class Foo {
/**
* @param {TEMPLATE_TYPE_A} baz
* @return {TEMPLATE_TYPE_B}
*/
bar (baz) {
}
}
// Settings: {"jsdoc":{"mode":"closure"}}
/****/
/**
*
*/
function quux () {
}
/**
* @typedef {object} BaseObject
*/
/**
* Run callback when hooked method is called.
*
* @template {BaseObject} T
* @param {T} obj - object whose method should be hooked.
* @param {string} method - method which should be hooked.
* @param {(sender: T) => void} callback - callback which should
* be called when the hooked method was invoked.
*/
function registerEvent(obj, method, callback) {
}
// Settings: {"jsdoc":{"mode":"typescript"}}
/**
* @param {...} varargs
*/
function quux (varargs) {
}
/**
* @param {...number} varargs
*/
function quux (varargs) {
}
class Navigator {}
/**
* @this {Navigator}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
class SomeType {}
/**
* @export {SomeType}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @template T
* @param {T} arg
*/
function example(arg) {
/** @param {T} */
function inner(x) {
}
}
// Settings: {"jsdoc":{"mode":"closure"}}
const init = () => {
/**
* Makes request
* @returns {Promise}
*/
function request() {
return Promise.resolve('success');
}
};
/** Gets a Promise resolved with a given value.
*
* @template ValueType
* @param {ValueType} value Value to resolve.
* @returns {Promise<ValueType>} Promise resolved with value.
*/
exports.resolve1 = function resolve1(value) {
return Promise.resolve(value);
};
// Settings: {"jsdoc":{"mode":"typescript"}}
/**
* A function returning the same type as its argument.
*
* @template ValueType
* @typedef {ValueType} ValueFunc
*/
// Settings: {"jsdoc":{"mode":"typescript"}}
/**
* @aCustomTag {SomeType}
*/
function quux () {}
// Settings: {"jsdoc":{"structuredTags":{"aCustomTag":{"type":false}}}}
/**
* @namepathDefiner SomeType
*/
/**
* @type {SomeType}
*/
// Settings: {"jsdoc":{"structuredTags":{"namepathDefiner":{"name":"namepath-defining"}}}}
require-description-complete-sentence
Requires that block description, explicit @description, and
@param/@returns tag descriptions are written in complete sentences, i.e.,
- Description must start with an uppercase alphabetical character.
- Paragraphs must start with an uppercase alphabetical character.
- Sentences must end with a period.
- Every line in a paragraph (except the first) which starts with an uppercase character must be preceded by a line ending with a period.
- A colon or semi-colon followed by two line breaks is still part of the containing paragraph (unlike normal dual line breaks).
- Text within inline tags
{...}are not checked for sentence divisions. - Periods after items within the
abbreviationsoption array are not treated as sentence endings.
Options
tags
If you want additional tags to be checked for their descriptions, you may add them within this option.
{
'jsdoc/require-description-complete-sentence': ['error', {
tags: ['see', 'copyright']
}]
}
The tags @param/@arg/@argument and @property/@prop will be properly
parsed to ensure that the checked "description" text includes only the text
after the name.
All other tags will treat the text following the tag name, a space, and
an optional curly-bracketed type expression (and another space) as part of
its "description" (e.g., for @returns {someType} some description, the
description is some description while for @some-tag xyz, the description
is xyz).
abbreviations
You can provide an abbreviations options array to avoid such strings of text
being treated as sentence endings when followed by dots. The . is not
necessary at the end of the array items.
newlineBeforeCapsAssumesBadSentenceEnd
When false (the new default), we will not assume capital letters after
newlines are an incorrect way to end the sentence (they may be proper
nouns, for example).
| Context | everywhere |
| Tags | doc block, param, returns, description, property, summary, file, classdesc, todo, deprecated, throws, 'yields' and others added by tags |
| Aliases | arg, argument, return, desc, prop, fileoverview, overview, exception, yield |
| Recommended | false |
| Options | tags, abbreviations, newlineBeforeCapsAssumesBadSentenceEnd |
| The following patterns are considered problems: |
/**
* foo.
*/
function quux () {
}
// Message: Sentence should start with an uppercase character.
/**
* foo?
*/
function quux () {
}
// Message: Sentence should start with an uppercase character.
/**
* @description foo.
*/
function quux () {
}
// Message: Sentence should start with an uppercase character.
/**
* Foo)
*/
function quux () {
}
// Message: Sentence must end with a period.
/**
* `foo` is a variable
*/
function quux () {
}
// Message: Sentence must end with a period.
/**
* Foo.
*
* foo.
*/
function quux () {
}
// Message: Sentence should start with an uppercase character.
/**
* тест.
*/
function quux () {
}
// Message: Sentence should start with an uppercase character.
/**
* Foo
*/
function quux () {
}
// Message: Sentence must end with a period.
/**
* Foo
* Bar.
*/
function quux () {
}
// Options: [{"newlineBeforeCapsAssumesBadSentenceEnd":true}]
// Message: A line of text is started with an uppercase character, but preceding line does not end the sentence.
/**
* Foo.
*
* @param foo foo.
*/
function quux (foo) {
}
// Message: Sentence should start with an uppercase character.
/**
* Foo.
*
* @param foo bar
*/
function quux (foo) {
}
// Message: Sentence should start with an uppercase character.
/**
* {@see Foo.bar} buz
*/
function quux (foo) {
}
// Message: Sentence should start with an uppercase character.
/**
* Foo.
*
* @returns {number} foo
*/
function quux (foo) {
}
// Message: Sentence should start with an uppercase character.
/**
* Foo.
*
* @returns foo.
*/
function quux (foo) {
}
// Message: Sentence should start with an uppercase character.
/**
* lorem ipsum dolor sit amet, consectetur adipiscing elit. pellentesque elit diam,
* iaculis eu dignissim sed, ultrices sed nisi. nulla at ligula auctor, consectetur neque sed,
* tincidunt nibh. vivamus sit amet vulputate ligula. vivamus interdum elementum nisl,
* vitae rutrum tortor semper ut. morbi porta ante vitae dictum fermentum.
* proin ut nulla at quam convallis gravida in id elit. sed dolor mauris, blandit quis ante at,
* consequat auctor magna. duis pharetra purus in porttitor mollis.
*/
function longDescription (foo) {
}
// Message: Sentence should start with an uppercase character.
/**
* @arg {number} foo - Foo
*/
function quux (foo) {
}
// Message: Sentence must end with a period.
/**
* @argument {number} foo - Foo
*/
function quux (foo) {
}
// Message: Sentence must end with a period.
/**
* @return {number} foo
*/
function quux (foo) {
}
// Message: Sentence should start with an uppercase character.
/**
* Returns bar.
*
* @return {number} bar
*/
function quux (foo) {
}
// Message: Sentence should start with an uppercase character.
/**
* @throws {object} Hello World
* hello world
*/
// Message: Sentence must end with a period.
/**
* @summary Foo
*/
function quux () {
}
// Message: Sentence must end with a period.
/**
* @throws {SomeType} Foo
*/
function quux () {
}
// Message: Sentence must end with a period.
/**
* @see Foo
*/
function quux () {
}
// Options: [{"tags":["see"]}]
// Message: Sentence must end with a period.
/**
* @param foo Foo bar
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"description":false}}}
// Options: [{"tags":["param"]}]
// Message: Sentence must end with a period.
/**
* Sorry, but this isn't a complete sentence, Mr.
*/
function quux () {
}
// Options: [{"abbreviations":["Mr"]}]
// Message: Sentence must end with a period.
/**
* Sorry, but this isn't a complete sentence Mr.
*/
function quux () {
}
// Options: [{"abbreviations":["Mr."]}]
// Message: Sentence must end with a period.
/**
* Sorry, but this isn't a complete sentence Mr.
*/
function quux () {
}
// Options: [{"abbreviations":["Mr"]}]
// Message: Sentence must end with a period.
/**
* Sorry, but this isn't a complete sentence Mr. and Mrs.
*/
function quux () {
}
// Options: [{"abbreviations":["Mr","Mrs"]}]
// Message: Sentence must end with a period.
/**
* This is a complete sentence. But this isn't, Mr.
*/
function quux () {
}
// Options: [{"abbreviations":["Mr"]}]
// Message: Sentence must end with a period.
/**
* This is a complete Mr. sentence. But this isn't, Mr.
*/
function quux () {
}
// Options: [{"abbreviations":["Mr"]}]
// Message: Sentence must end with a period.
/**
* This is a complete Mr. sentence.
*/
function quux () {
}
// Message: Sentence should start with an uppercase character.
/**
* This is fun, i.e. enjoyable, but not superlatively so, e.g. not
* super, wonderful, etc..
*/
function quux () {
}
// Message: Sentence should start with an uppercase character.
/**
* Do not have dynamic content; e.g. homepage. Here a simple unique id
* suffices.
*/
function quux () {
}
// Message: Sentence should start with an uppercase character.
/**
* Implements support for the
* Swahili voice synthesizer.
*/
function speak() {
}
// Options: [{"newlineBeforeCapsAssumesBadSentenceEnd":true}]
// Message: A line of text is started with an uppercase character, but preceding line does not end the sentence.
/**
* Foo.
*
* @template TempA, TempB foo.
*/
function quux (foo) {
}
// Options: [{"tags":["template"]}]
// Message: Sentence should start with an uppercase character.
The following patterns are not considered problems:
/**
* @param foo - Foo.
*/
function quux () {
}
/**
* Foo.
*/
function quux () {
}
/**
* Foo.
* Bar.
*/
function quux () {
}
/**
* Foo.
*
* Bar.
*/
function quux () {
}
/**
* Тест.
*/
function quux () {
}
/**
* Foo
* bar.
*/
function quux () {
}
/**
* @returns Foo bar.
*/
function quux () {
}
/**
* Foo. {@see Math.sin}.
*/
function quux () {
}
/**
* Foo {@see Math.sin} bar.
*/
function quux () {
}
/**
* Foo?
*
* Bar!
*
* Baz:
* 1. Foo.
* 2. Bar.
*/
function quux () {
}
/**
* Hello:
* World.
*/
function quux () {
}
/**
* Hello: world.
*/
function quux () {
}
/**
*
*/
function quux () {
}
/**
* @description Foo.
*/
function quux () {
}
/**
* `foo` is a variable.
*/
function quux () {
}
/**
* Foo.
*
* `foo`.
*/
function quux () {
}
/**
* @param foo - `bar`.
*/
function quux () {
}
/**
* @returns {number} `foo`.
*/
function quux () {
}
/**
* Foo
* `bar`.
*/
function quux () {
}
/**
* @example Foo
*/
function quux () {
}
/**
* @see Foo
*/
function quux () {
}
/**
* Foo.
*
* @param foo Foo.
*/
function quux (foo) {
}
/**
* Foo.
*
* @param foo Foo.
*/
function quux (foo) {
}
// Options: [{"tags":["param"]}]
/**
* @param foo Foo bar.
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"description":false}}}
// Options: [{"tags":["param"]}]
/**
*
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"description":false}}}
/**
* We stop loading Items when we have loaded:
*
* 1) The main Item;
* 2) All its variants.
*/
/**
* This method is working on 2 steps.
*
* | Step | Comment |
* |------|-------------|
* | 1 | do it |
* | 2 | do it again |
*/
/**
* This is something that
* I want to test.
*/
function quux () {
}
/**
* When making HTTP requests, the
* URL is super important.
*/
function quux () {
}
/**
* Sorry, but this isn't a complete sentence, Mr.
*/
function quux () {
}
/**
* Sorry, but this isn't a complete sentence Mr..
*/
function quux () {
}
// Options: [{"abbreviations":["Mr."]}]
/**
* Sorry, but this isn't a complete sentence Mr.
*/
function quux () {
}
/**
* Sorry, but this isn't a complete sentence Mr. and Mrs..
*/
function quux () {
}
// Options: [{"abbreviations":["Mr","Mrs"]}]
/**
* This is a complete sentence aMr.
*/
function quux () {
}
// Options: [{"abbreviations":["Mr"]}]
/**
* This is a complete sentence. But this isn't, Mr.
*/
function quux () {
}
/**
* This is a complete Mr. Sentence. But this isn't, Mr.
*/
function quux () {
}
/**
* This is a complete Mr. sentence.
*/
function quux () {
}
// Options: [{"abbreviations":["Mr"]}]
/**
* This is fun, i.e. enjoyable, but not superlatively so, e.g. not
* super, wonderful, etc..
*/
function quux () {
}
// Options: [{"abbreviations":["etc","e.g.","i.e."]}]
**
* Do not have dynamic content; e.g. homepage. Here a simple unique id
* suffices.
*/
function quux () {
}
// Options: [{"abbreviations":["etc","e.g.","i.e."]}]
/**
* Implements support for the
* Swahili voice synthesizer.
*/
function speak() {
}
require-description
Requires that all functions have a description.
- All functions must have an implicit description or have the option
descriptionStyleset totag. - Every jsdoc block description (or description tag if
descriptionStyleis"tag") must have a non-empty description that explains the purpose of the method.
Options
An options object may have any of the following properties:
contexts- Set to an array of strings representing the AST context where you wish the rule to be applied (e.g.,ClassDeclarationfor ES6 classes). Overrides the default contexts (see below). Set to"any"if you want the rule to apply to any jsdoc block throughout your files.exemptedBy- Array of tags (e.g.,['type']) whose presence on the document block avoids the need for a@description. Defaults to an array withinheritdoc. If you set this array, it will overwrite the default, so be sure to add backinheritdocif you wish its presence to cause exemption of the rule.descriptionStyle- Whether to accept implicit descriptions ("body") or@descriptiontags ("tag") as satisfying the rule. Set to"any"to accept either style. Defaults to"body".checkConstructors- A value indicating whetherconstructors should be checked. Defaults totrue.checkGetters- A value indicating whether getters should be checked. Defaults totrue.checkSetters- A value indicating whether getters should be checked. Defaults totrue.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | description or jsdoc block |
| Aliases | desc |
| Recommended | false |
| Options | contexts, exemptedBy, descriptionStyle, checkConstructors, checkGetters, checkSetters |
| Settings | overrideReplacesDocs, augmentsExtendsReplacesDocs, implementsReplacesDocs |
The following patterns are considered problems:
/**
*
*/
function quux () {
}
// Options: [{"descriptionStyle":"tag"}]
// Message: Missing JSDoc @description declaration.
/**
*
*/
function quux () {
}
// Options: [{"descriptionStyle":"any"}]
// Message: Missing JSDoc block description or @description declaration.
/**
*
*/
function quux () {
}
// Options: [{"descriptionStyle":"body"}]
// Message: Missing JSDoc block description.
/**
* @desc Not a blank description
*/
function quux () {
}
// Options: [{"descriptionStyle":"body"}]
// Message: Remove the @desc tag to leave a plain block description or add additional description text above the @desc line.
/**
* @description Not a blank description
*/
function quux () {
}
// Options: [{"descriptionStyle":"body"}]
// Message: Remove the @description tag to leave a plain block description or add additional description text above the @description line.
/**
*
*/
class quux {
}
// Options: [{"contexts":["ClassDeclaration"],"descriptionStyle":"tag"}]
// Message: Missing JSDoc @description declaration.
/**
*
*/
// Options: [{"contexts":["any"],"descriptionStyle":"tag"}]
// Message: Missing JSDoc @description declaration.
/**
*
*/
class quux {
}
// Options: [{"contexts":["ClassDeclaration"],"descriptionStyle":"tag"}]
// Message: Missing JSDoc @description declaration.
/**
*
*/
class quux {
}
// Options: [{"contexts":["ClassDeclaration"],"descriptionStyle":"tag"}]
// Message: Missing JSDoc @description declaration.
/**
* @description
*/
function quux () {
}
// Options: [{"descriptionStyle":"tag"}]
// Message: Missing JSDoc @description description.
/**
*
*/
interface quux {
}
// Options: [{"contexts":["TSInterfaceDeclaration"],"descriptionStyle":"tag"}]
// Message: Missing JSDoc @description declaration.
/**
*
*/
var quux = class {
};
// Options: [{"contexts":["ClassExpression"],"descriptionStyle":"tag"}]
// Message: Missing JSDoc @description declaration.
/**
*
*/
var quux = {
};
// Options: [{"contexts":["ObjectExpression"],"descriptionStyle":"tag"}]
// Message: Missing JSDoc @description declaration.
/**
* @someDesc
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"description":{"message":"Please avoid `{{tagName}}`; use `{{replacement}}` instead","replacement":"someDesc"}}}}
// Options: [{"descriptionStyle":"tag"}]
// Message: Missing JSDoc @someDesc description.
/**
* @description
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"description":false}}}
// Options: [{"descriptionStyle":"tag"}]
// Message: Unexpected tag `@description`
/**
* @description
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"description":false}}}
// Options: [{"descriptionStyle":"any"}]
// Message: Missing JSDoc block description or @description declaration.
/**
*
*/
function quux () {
}
// Options: [{"exemptedBy":["notPresent"]}]
// Message: Missing JSDoc block description.
class TestClass {
/**
*
*/
constructor() { }
}
// Message: Missing JSDoc block description.
class TestClass {
/**
*
*/
constructor() { }
}
// Options: [{"checkConstructors":true}]
// Message: Missing JSDoc block description.
class TestClass {
/**
*
*/
get Test() { }
}
// Message: Missing JSDoc block description.
class TestClass {
/**
*
*/
get Test() { }
}
// Options: [{"checkGetters":true}]
// Message: Missing JSDoc block description.
class TestClass {
/**
*
*/
set Test(value) { }
}
// Message: Missing JSDoc block description.
class TestClass {
/**
*
*/
set Test(value) { }
}
// Options: [{"checkSetters":true}]
// Message: Missing JSDoc block description.
/**
*
*/
class Foo {
/**
*
*/
constructor() {}
/**
*
*/
bar() {}
}
// Options: [{"checkConstructors":false,"contexts":["MethodDefinition"]}]
// Message: Missing JSDoc block description.
The following patterns are not considered problems:
/**
*
*/
/**
* @description
* // arbitrary description content
*/
function quux () {
}
// Options: [{"descriptionStyle":"tag"}]
/**
* @description
* quux(); // does something useful
*/
function quux () {
}
// Options: [{"descriptionStyle":"tag"}]
/**
* @description <caption>Valid usage</caption>
* quux(); // does something useful
*
* @description <caption>Invalid usage</caption>
* quux('random unwanted arg'); // results in an error
*/
function quux () {
}
// Options: [{"descriptionStyle":"tag"}]
/**
*
*/
class quux {
}
// Options: [{"descriptionStyle":"tag"}]
/**
*
*/
function quux () {
}
// Options: [{"contexts":["ClassDeclaration"]}]
/**
* @type {MyCallback}
*/
function quux () {
}
// Options: [{"exemptedBy":["type"]}]
/**
*
*/
interface quux {
}
// Options: [{"descriptionStyle":"tag"}]
interface quux {
/**
* If the thing should be checked.
*/
checked?: boolean
}
// Options: [{"contexts":["TSPropertySignature"]}]
/**
*
*/
var quux = class {
};
// Options: [{"descriptionStyle":"tag"}]
/**
*
*/
var quux = {
};
// Options: [{"descriptionStyle":"tag"}]
/**
* Has an implicit description
*/
function quux () {
}
// Options: [{"descriptionStyle":"body"}]
/**
* Has an implicit description
*/
function quux () {
}
/**
* Has an implicit description
*/
function quux () {
}
// Options: [{"descriptionStyle":"any"}]
/**
* @description Has an explicit description
*/
function quux () {
}
// Options: [{"descriptionStyle":"any"}]
/**
*
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"description":false}}}
class TestClass {
/**
* Test.
*/
constructor() { }
}
class TestClass {
/**
*
*/
constructor() { }
}
// Options: [{"checkConstructors":false}]
class TestClass {
/**
* Test.
*/
get Test() { }
}
class TestClass {
/**
*
*/
get Test() { }
}
// Options: [{"checkGetters":false}]
class TestClass {
/**
* Test.
*/
set Test(value) { }
}
class TestClass {
/**
*
*/
set Test(value) { }
}
// Options: [{"checkSetters":false}]
require-example
Requires that all functions have examples.
- All functions must have one or more
@exampletags. - Every example tag must have a non-empty description that explains the method's usage.
Options
This rule has an object option.
exemptedBy
Array of tags (e.g., ['type']) whose presence on the document
block avoids the need for an @example. Defaults to an array with
inheritdoc. If you set this array, it will overwrite the default,
so be sure to add back inheritdoc if you wish its presence to cause
exemption of the rule.
exemptNoArguments
Boolean to indicate that no-argument functions should not be reported for
missing @example declarations.
contexts
Set this to an array of strings representing the AST context
where you wish the rule to be applied (e.g., ClassDeclaration for ES6
classes). Overrides the default contexts (see below). Set to "any" if you
want the rule to apply to any jsdoc block throughout your files.
See the "AST and Selectors" section of our README for more on the expected format.
checkConstructors
A value indicating whether constructors should be checked.
Defaults to true.
checkGetters
A value indicating whether getters should be checked. Defaults to false.
checkSetters
A value indicating whether getters should be checked. Defaults to false.
Fixer
The fixer for require-example will add an empty @example, but it will still
report a missing example description after this is added.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | example |
| Recommended | false |
| Options | exemptedBy, exemptNoArguments, avoidExampleOnConstructors, contexts |
| Settings | overrideReplacesDocs, augmentsExtendsReplacesDocs, implementsReplacesDocs |
The following patterns are considered problems:
/**
*
*/
function quux () {
}
// Message: Missing JSDoc @example declaration.
/**
*
*/
function quux (someParam) {
}
// Options: [{"exemptNoArguments":true}]
// Message: Missing JSDoc @example declaration.
/**
*
*/
function quux () {
}
// Message: Missing JSDoc @example declaration.
/**
* @example
*/
function quux () {
}
// Message: Missing JSDoc @example description.
/**
* @constructor
*/
function quux () {
}
// Message: Missing JSDoc @example declaration.
/**
* @constructor
* @example
*/
function quux () {
}
// Message: Missing JSDoc @example description.
/**
*
*/
class quux {
}
// Options: [{"contexts":["ClassDeclaration"]}]
// Message: Missing JSDoc @example declaration.
/**
*
*/
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @example declaration.
/**
*
*/
function quux () {
}
// Options: [{"exemptedBy":["notPresent"]}]
// Message: Missing JSDoc @example declaration.
class TestClass {
/**
*
*/
get Test() { }
}
// Options: [{"checkGetters":true}]
// Message: Missing JSDoc @example declaration.
class TestClass {
/**
* @example
*/
get Test() { }
}
// Options: [{"checkGetters":true}]
// Message: Missing JSDoc @example description.
class TestClass {
/**
*
*/
set Test(value) { }
}
// Options: [{"checkSetters":true}]
// Message: Missing JSDoc @example declaration.
class TestClass {
/**
* @example
*/
set Test(value) { }
}
// Options: [{"checkSetters":true}]
// Message: Missing JSDoc @example description.
The following patterns are not considered problems:
/**
*
*/
/**
* @example
* // arbitrary example content
*/
function quux () {
}
/**
* @example
* quux(); // does something useful
*/
function quux () {
}
/**
* @example <caption>Valid usage</caption>
* quux(); // does something useful
*
* @example <caption>Invalid usage</caption>
* quux('random unwanted arg'); // results in an error
*/
function quux () {
}
/**
* @constructor
*/
function quux () {
}
// Options: [{"checkConstructors":false}]
/**
* @constructor
* @example
*/
function quux () {
}
// Options: [{"checkConstructors":false}]
class Foo {
/**
*
*/
constructor () {
}
}
// Options: [{"checkConstructors":false}]
/**
* @inheritdoc
*/
function quux () {
}
/**
* @type {MyCallback}
*/
function quux () {
}
// Options: [{"exemptedBy":["type"]}]
/**
* @example Some example code
*/
class quux {
}
// Options: [{"contexts":["ClassDeclaration"]}]
/**
*
*/
function quux () {
}
// Options: [{"contexts":["ClassDeclaration"]}]
class TestClass {
/**
*
*/
get Test() { }
}
class TestClass {
/**
* @example
*/
get Test() { }
}
class TestClass {
/**
* @example Test
*/
get Test() { }
}
// Options: [{"checkGetters":true}]
class TestClass {
/**
*
*/
set Test(value) { }
}
class TestClass {
/**
* @example
*/
set Test(value) { }
}
// Options: [{"checkSetters":false}]
class TestClass {
/**
* @example Test
*/
set Test(value) { }
}
// Options: [{"checkSetters":true}]
/**
*
*/
function quux () {
}
// Options: [{"exemptNoArguments":true}]
require-file-overview
Checks that:
- All files have a
@file,@fileoverview, or@overviewtag. - Duplicate file overview tags within a given file will be reported
- File overview tags will be reported which are not, as per the docs, "at the beginning of the file"–where beginning of the file is interpreted in this rule as being when the overview tag is not preceded by anything other than a comment.
Options
tags
The keys of this object are tag names, and the values are configuration objects indicating what will be checked for these whole-file tags.
Each configuration object has the following boolean keys (which default
to false when this option is supplied): mustExist, preventDuplicates,
initialCommentsOnly. These correspond to the three items above.
When no tags is present, the default is:
{
"file": {
"initialCommentsOnly": true,
"mustExist": true,
"preventDuplicates": true,
}
}
You can add additional tag names and/or override file if you supply this
option, e.g., in place of or in addition to file, giving other potential
file global tags like @license, @copyright, @author, @module or
@exports, optionally restricting them to a single use or preventing them
from being preceded by anything besides comments.
For example:
{
"license": {
"mustExist": true,
"preventDuplicates": true,
}
}
This would require one and only one @license in the file, though because
initialCommentsOnly is absent and defaults to false, the @license
can be anywhere.
In the case of @license, you can use this rule along with the
check-values rule (with its allowedLicenses or licensePattern options),
to enforce a license whitelist be present on every JS file.
Note that if you choose to use preventDuplicates with license, you still
have a way to allow multiple licenses for the whole page by using the SPDX
"AND" expression, e.g., @license (MIT AND GPL-3.0).
Note that the tag names are the main jsdoc tag name, so you should use file
in this configuration object regardless of whether you have configured
fileoverview instead of file on tagNamePreference (i.e., fileoverview
will be checked, but you must use file on the configuration object).
| Context | Everywhere |
| Tags | file; others when tags set |
| Aliases | fileoverview, overview |
| Recommended | false |
| Options | tags |
The following patterns are considered problems:
// Message: Missing @file
// Options: [{"tags":{"file":{"initialCommentsOnly":true,"mustExist":true,"preventDuplicates":true}}}]
// Message: Missing @file
// Options: [{"tags":{"file":{"mustExist":true}}}]
// Message: Missing @file
// Options: [{"tags":{"author":{"initialCommentsOnly":false,"mustExist":true,"preventDuplicates":false}}}]
// Message: Missing @author
/**
*
*/
// Message: Missing @file
/**
*
*/
function quux () {}
// Message: Missing @file
/**
*
*/
function quux () {}
// Settings: {"jsdoc":{"tagNamePreference":{"file":"fileoverview"}}}
// Message: Missing @fileoverview
/**
*
*/
function quux () {}
// Settings: {"jsdoc":{"tagNamePreference":{"file":"overview"}}}
// Message: Missing @overview
/**
*
*/
function quux () {}
// Settings: {"jsdoc":{"tagNamePreference":{"file":false}}}
// Message: `settings.jsdoc.tagNamePreference` cannot block @file for the `require-file-overview` rule
/**
*
*/
function quux () {}
// Settings: {"jsdoc":{"tagNamePreference":{"file":false}}}
// Options: [{"tags":{"file":{"initialCommentsOnly":false,"mustExist":true,"preventDuplicates":false}}}]
// Message: `settings.jsdoc.tagNamePreference` cannot block @file for the `require-file-overview` rule
/**
*
*/
function quux () {}
// Settings: {"jsdoc":{"tagNamePreference":{"file":{"message":"Don't use file"}}}}
// Message: `settings.jsdoc.tagNamePreference` cannot block @file for the `require-file-overview` rule
/**
* @param a
*/
function quux (a) {}
// Message: Missing @file
/**
* @param a
*/
function quux (a) {}
/**
* @param b
*/
function bar (b) {}
// Message: Missing @file
/**
* @file
*/
/**
* @file
*/
// Message: Duplicate @file
/**
* @copyright
*/
/**
* @copyright
*/
// Options: [{"tags":{"copyright":{"initialCommentsOnly":false,"mustExist":false,"preventDuplicates":true}}}]
// Message: Duplicate @copyright
function quux () {
}
/**
* @file
*/
// Message: @file should be at the beginning of the file
function quux () {
}
/**
* @license
*/
// Options: [{"tags":{"license":{"initialCommentsOnly":true,"mustExist":false,"preventDuplicates":false}}}]
// Message: @license should be at the beginning of the file
function quux () {
}
/**
* @license
*/
// Options: [{"tags":{"license":{"initialCommentsOnly":true}}}]
// Message: @license should be at the beginning of the file
/**
* @file
*/
/**
* @file
*/
// Options: [{"tags":{"file":{"initialCommentsOnly":true,"preventDuplicates":true}}}]
// Message: Duplicate @file
The following patterns are not considered problems:
/**
* @file
*/
/**
* @file
*/
/**
* @file
*/
// Options: [{"tags":{"license":{"initialCommentsOnly":true,"preventDuplicates":true}}}]
// Ok preceded by comment
/**
* @file
*/
/**
* @fileoverview
*/
// Settings: {"jsdoc":{"tagNamePreference":{"file":"fileoverview"}}}
/**
* @overview
*/
// Settings: {"jsdoc":{"tagNamePreference":{"file":"overview"}}}
/**
* @file Description of file
*/
/**
* @file Description of file
*/
function quux () {
}
/**
*
*/
function quux () {
}
/**
*
*/
// Options: [{"tags":{"license":{"initialCommentsOnly":true,"mustExist":false,"preventDuplicates":false}}}]
function quux () {
}
/**
*
*/
// Options: [{"tags":{"license":{"initialCommentsOnly":false,"mustExist":false,"preventDuplicates":false}}}]
function quux () {
}
/**
*
*/
// Options: [{"tags":{"license":{"initialCommentsOnly":false,"mustExist":false,"preventDuplicates":true}}}]
/**
* @license MIT
*/
var a
/**
* @type {Array}
*/
// Options: [{"tags":{"license":{"initialCommentsOnly":true,"mustExist":false,"preventDuplicates":false}}}]
require-hyphen-before-param-description
Requires (or disallows) a hyphen before the @param description.
Options
This rule takes one optional string argument and an optional options object.
If the string is "always" then a problem is raised when there is no hyphen
before the description. If it is "never" then a problem is raised when there
is a hyphen before the description. The default value is "always".
The options object may have the following properties to indicate behavior for
other tags besides the @param tag (or the @arg tag if so set):
tags- Object whose keys indicate different tags to check for the presence or absence of hyphens; the key value should be "always" or "never", indicating how hyphens are to be applied, e.g.,{property: 'never'}to ensure@propertynever uses hyphens. A key can also be set as*, e.g.,'*': 'always'to apply hyphen checking to any tag (besides the preferred@paramtag which follows the main string option setting and besides any othertagsentries).
| Context | everywhere |
| Tags | param and optionally other tags within tags |
| Aliases | arg, argument; potentially prop or other aliases |
| Recommended | false |
| Options | (a string matching `"always" |
The following patterns are considered problems:
/**
* @param foo Foo.
*/
function quux () {
}
// Options: ["always"]
// Message: There must be a hyphen before @param description.
/**
* @param foo Foo.
*/
function quux () {
}
// Options: ["always",{"tags":{"*":"never"}}]
// Message: There must be a hyphen before @param description.
/**
* @param foo Foo.
* @returns {SomeType} - Hyphen here.
*/
function quux () {
}
// Options: ["always",{"tags":{"*":"never","returns":"always"}}]
// Message: There must be a hyphen before @param description.
/**
* @param foo Foo.
*/
function quux () {
}
// Message: There must be a hyphen before @param description.
/**
* @param foo - Foo.
*/
function quux () {
}
// Options: ["never"]
// Message: There must be no hyphen before @param description.
/**
* @param foo - foo
* @param foo foo
*/
function quux () {
}
// Options: ["always"]
// Message: There must be a hyphen before @param description.
/**
* @param foo foo
* bar
* @param bar - bar
*/
function quux () {
}
// Options: ["always"]
// Message: There must be a hyphen before @param description.
/**
* @param foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":false}}}
// Message: Unexpected tag `@param`
/**
* @typedef {SomeType} ATypeDefName
* @property foo Foo.
*/
// Options: ["always",{"tags":{"property":"always"}}]
// Message: There must be a hyphen before @property description.
/**
* @template TempA, TempB A desc.
*/
// Options: ["always",{"tags":{"template":"always"}}]
// Message: There must be a hyphen before @template description.
/**
* @typedef {SomeType} ATypeDefName
* @property foo - Foo.
*/
// Options: ["never",{"tags":{"property":"never"}}]
// Message: There must be no hyphen before @property description.
/**
* @param foo Foo.
* @returns {SomeType} - A description.
*/
function quux () {
}
// Options: ["always",{"tags":{"returns":"never"}}]
// Message: There must be a hyphen before @param description.
The following patterns are not considered problems:
/**
* @param foo - Foo.
*/
function quux () {
}
// Options: ["always"]
/**
* @param foo - Foo.
* @returns {SomeType} A description.
*/
function quux () {
}
// Options: ["always",{"tags":{"returns":"never"}}]
/**
* @param foo Foo.
*/
function quux () {
}
// Options: ["never"]
/**
* @param foo
*/
function quux () {
}
/**
*
*/
function quux () {
}
// Options: ["always",{"tags":{"*":"always"}}]
/**
* @typedef {SomeType} ATypeDefName
* @property foo - Foo.
*/
// Options: ["always",{"tags":{"property":"always"}}]
/**
* @typedef {SomeType} ATypeDefName
* @property foo Foo.
*/
// Options: ["never",{"tags":{"property":"never"}}]
/**
* @typedef {SomeType} ATypeDefName
* @property foo - Foo.
*/
// Options: ["never",{"tags":{"*":"always"}}]
require-jsdoc
Checks for presence of jsdoc comments, on class declarations as well as functions.
Options
Accepts one optional options object with the following optional keys.
publicOnly
This option will insist that missing jsdoc blocks are only reported for
function bodies / class declarations that are exported from the module.
May be a boolean or object. If set to true, the defaults below will be
used. If unset, jsdoc block reporting will not be limited to exports.
This object supports the following optional boolean keys (false unless
otherwise noted):
ancestorsOnly- Only check node ancestors to check if node is exportedesm- ESM exports are checked for JSDoc comments (Defaults totrue)cjs- CommonJS exports are checked for JSDoc comments (Defaults totrue)window- Window global exports are checked for JSDoc comments
require
An object with the following optional boolean keys which all default to
false except as noted, indicating the contexts where the rule will apply:
ArrowFunctionExpressionClassDeclarationClassExpressionFunctionDeclaration(defaults totrue)FunctionExpressionMethodDefinition
contexts
Set this to an array of strings or objects representing the additional AST
contexts where you wish the rule to be applied (e.g., Property for
properties). If specified as an object, it should have a context property
and can have an inlineCommentBlock property which, if set to true, will
add an inline /** */ instead of the regular, multi-line, indented jsdoc
block which will otherwise be added. Defaults to an empty array.
exemptEmptyConstructors
Default: true
When true, the rule will not report missing jsdoc blocks above constructors
with no parameters or return values (this is enabled by default as the class
name or description should be seen as sufficient to convey intent).
exemptEmptyFunctions
Default: false.
When true, the rule will not report missing jsdoc blocks above
functions/methods with no parameters or return values (intended where
function/method names are sufficient for themselves as documentation).
checkConstructors
A value indicating whether constructors should be checked. Defaults to
true. When true, exemptEmptyConstructors may still avoid reporting when
no parameters or return values are found.
checkGetters
A value indicating whether getters should be checked. Defaults to false.
checkSetters
A value indicating whether getters should be checked. Defaults to false.
enableFixer
A boolean on whether to enable the fixer (which adds an empty jsdoc block).
Defaults to true.
| Context | ArrowFunctionExpression, ClassDeclaration, ClassExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | N/A |
| Recommended | true |
| Options | publicOnly, require, contexts, exemptEmptyConstructors, exemptEmptyFunctions, enableFixer |
The following patterns are considered problems:
/**
* @func myFunction
*/
function myFunction() {
}
// Settings: {"jsdoc":{"maxLines":3,"minLines":2}}
// Message: Missing JSDoc comment.
/**
* @func myFunction
*/
function myFunction() {
}
// Settings: {"jsdoc":{"maxLines":2}}
// Message: Missing JSDoc comment.
/** @func myFunction */ function myFunction() {
}
// Settings: {"jsdoc":{"minLines":1}}
// Message: Missing JSDoc comment.
function myFunction() {
}
// Options: [{"enableFixer":false}]
// Message: Missing JSDoc comment.
export var test = function () {
};
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
function test () {
}
export var test2 = test;
// Options: [{"publicOnly":true,"require":{"FunctionDeclaration":true}}]
// Message: Missing JSDoc comment.
export const test = () => {
};
// Options: [{"publicOnly":true,"require":{"ArrowFunctionExpression":true}}]
// Message: Missing JSDoc comment.
export const test = () => {
};
// Options: [{"contexts":["ArrowFunctionExpression"],"publicOnly":true}]
// Message: Missing JSDoc comment.
export const test = () => {
};
// Options: [{"contexts":[{"context":"ArrowFunctionExpression"}],"publicOnly":true}]
// Message: Missing JSDoc comment.
export let test = class {
};
// Options: [{"publicOnly":true,"require":{"ClassExpression":true}}]
// Message: Missing JSDoc comment.
export default function () {}
// Options: [{"publicOnly":{"cjs":false,"esm":true,"window":false},"require":{"FunctionDeclaration":true}}]
// Message: Missing JSDoc comment.
export default () => {}
// Options: [{"publicOnly":{"cjs":false,"esm":true,"window":false},"require":{"ArrowFunctionExpression":true}}]
// Message: Missing JSDoc comment.
export default (function () {})
// Options: [{"publicOnly":{"cjs":false,"esm":true,"window":false},"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
export default class {}
// Options: [{"publicOnly":{"cjs":false,"esm":true,"window":false},"require":{"ClassDeclaration":true}}]
// Message: Missing JSDoc comment.
function quux (foo) {
}
// Message: Missing JSDoc comment.
function quux (foo) {
}
// Options: [{"exemptEmptyFunctions":true}]
// Message: Missing JSDoc comment.
function quux (foo) {
}
// Settings: {"jsdoc":{"minLines":2}}
// Options: [{"exemptEmptyFunctions":true}]
// Message: Missing JSDoc comment.
function myFunction() {}
// Message: Missing JSDoc comment.
/**
* Description for A.
*/
class A {
constructor(xs) {
this.a = xs;
}
}
// Options: [{"require":{"ClassDeclaration":true,"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
class A {
/**
* Description for constructor.
* @param {object[]} xs - xs
*/
constructor(xs) {
this.a = xs;
}
}
// Options: [{"require":{"ClassDeclaration":true,"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
class A extends B {
/**
* Description for constructor.
* @param {object[]} xs - xs
*/
constructor(xs) {
this.a = xs;
}
}
// Options: [{"require":{"ClassDeclaration":true,"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
export class A extends B {
/**
* Description for constructor.
* @param {object[]} xs - xs
*/
constructor(xs) {
this.a = xs;
}
}
// Options: [{"require":{"ClassDeclaration":true,"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
export default class A extends B {
/**
* Description for constructor.
* @param {object[]} xs - xs
*/
constructor(xs) {
this.a = xs;
}
}
// Options: [{"require":{"ClassDeclaration":true,"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
var myFunction = () => {}
// Options: [{"require":{"ArrowFunctionExpression":true}}]
// Message: Missing JSDoc comment.
var myFunction = () => () => {}
// Options: [{"require":{"ArrowFunctionExpression":true}}]
// Message: Missing JSDoc comment.
var foo = function() {}
// Options: [{"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
const foo = {bar() {}}
// Options: [{"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
var foo = {bar: function() {}}
// Options: [{"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
function foo (abc) {}
// Options: [{"exemptEmptyFunctions":false}]
// Message: Missing JSDoc comment.
function foo () {
return true;
}
// Options: [{"exemptEmptyFunctions":false}]
// Message: Missing JSDoc comment.
module.exports = function quux () {
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
module.exports = function quux () {
}
// Options: [{"publicOnly":{"ancestorsOnly":true},"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
module.exports = {
method: function() {
}
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
module.exports = {
test: {
test2: function() {
}
}
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
module.exports = {
test: {
test2: function() {
}
}
}
// Options: [{"publicOnly":{"ancestorsOnly":true},"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
const test = module.exports = function () {
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
/**
*
*/
const test = module.exports = function () {
}
test.prototype.method = function() {}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
const test = function () {
}
module.exports = {
test: test
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
const test = () => {
}
module.exports = {
test: test
}
// Options: [{"publicOnly":true,"require":{"ArrowFunctionExpression":true}}]
// Message: Missing JSDoc comment.
class Test {
method() {
}
}
module.exports = Test;
// Options: [{"publicOnly":true,"require":{"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
export default function quux () {
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
export default function quux () {
}
// Options: [{"publicOnly":{"ancestorsOnly":true},"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
function quux () {
}
export default quux;
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
export function test() {
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
export function test() {
}
// Options: [{"publicOnly":{"ancestorsOnly":true},"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
var test = function () {
}
var test2 = 2;
export { test, test2 }
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
var test = function () {
}
export { test as test2 }
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
export default class A {
}
// Options: [{"publicOnly":true,"require":{"ClassDeclaration":true}}]
// Message: Missing JSDoc comment.
export default class A {
}
// Options: [{"publicOnly":{"ancestorsOnly":true},"require":{"ClassDeclaration":true}}]
// Message: Missing JSDoc comment.
var test = function () {
}
// Options: [{"publicOnly":{"window":true},"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
window.test = function () {
}
// Options: [{"publicOnly":{"window":true},"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
function test () {
}
// Options: [{"publicOnly":{"window":true}}]
// Message: Missing JSDoc comment.
module.exports = function() {
}
// Options: [{"publicOnly":{"cjs":true,"esm":false,"window":false},"require":{"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
export function someMethod() {
}
// Options: [{"publicOnly":{"cjs":false,"esm":true,"window":false},"require":{"FunctionDeclaration":true}}]
// Message: Missing JSDoc comment.
export function someMethod() {
}
// Options: [{"publicOnly":{"cjs":false,"esm":true,"window":false},"require":{"FunctionDeclaration":true}}]
// Message: Missing JSDoc comment.
const myObject = {
myProp: true
};
// Options: [{"contexts":["Property"]}]
// Message: Missing JSDoc comment.
/**
* Foo interface documentation.
*/
export interface Foo extends Bar {
/**
* baz method documentation.
*/
baz(): void;
meow(): void;
}
// Options: [{"contexts":["TSMethodSignature"]}]
// Message: Missing JSDoc comment.
class MyClass {
someProperty: boolean; // Flow type annotation.
}
// Options: [{"exemptEmptyFunctions":true,"require":{"ClassDeclaration":true}}]
// Message: Missing JSDoc comment.
export default class Test {
constructor(a) {
this.a = a;
}
}
// Options: [{"publicOnly":true,"require":{"ArrowFunctionExpression":false,"ClassDeclaration":false,"ClassExpression":false,"FunctionDeclaration":false,"FunctionExpression":false,"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
export default class Test {
constructor(a) {
this.a = a;
}
private abc(a) {
this.a = a;
}
}
// Options: [{"contexts":["MethodDefinition:not([accessibility=\"private\"]) > FunctionExpression"],"publicOnly":true,"require":{"ArrowFunctionExpression":false,"ClassDeclaration":false,"ClassExpression":false,"FunctionDeclaration":false,"FunctionExpression":false,"MethodDefinition":false}}]
// Message: Missing JSDoc comment.
e = function () {
};
// Options: [{"require":{"FunctionDeclaration":false,"FunctionExpression":true}}]
// Message: Missing JSDoc comment.
/**
*
*/
export class Class {
test = 1;
foo() {
this.test = 2;
}
}
// Options: [{"require":{"FunctionDeclaration":false,"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
class Dog {
eat() {
}
}
// Options: [{"require":{"FunctionDeclaration":false,"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
const hello = name => {
document.body.textContent = "Hello, " + name + "!";
};
// Options: [{"require":{"ArrowFunctionExpression":true,"FunctionDeclaration":false}}]
// Message: Missing JSDoc comment.
export const loginSuccessAction = (): BaseActionPayload => ({ type: LOGIN_SUCCESSFUL });
// Options: [{"require":{"ArrowFunctionExpression":true,"FunctionDeclaration":false}}]
// Message: Missing JSDoc comment.
export type Container = {
constants?: ObjByString;
enums?: { [key in string]: TypescriptEnum };
helpers?: { [key in string]: AnyFunction };
};
// Options: [{"contexts":["TSTypeAliasDeclaration",{"context":"TSPropertySignature","inlineCommentBlock":true}]}]
// Message: Missing JSDoc comment.
class Foo {
constructor() {}
bar() {}
}
// Options: [{"contexts":["MethodDefinition[key.name!=\"constructor\"]"],"require":{"ClassDeclaration":true}}]
// Message: Missing JSDoc comment.
class Example extends React.PureComponent {
componentDidMount() {}
render() {}
someOtherMethod () {}
}
// Options: [{"contexts":["MethodDefinition:not([key.name=\"componentDidMount\"]):not([key.name=\"render\"])"],"require":{"ClassDeclaration":true}}]
// Message: Missing JSDoc comment.
function foo(arg: boolean): boolean {
return arg;
}
function bar(arg: true): true;
function bar(arg: false): false;
function bar(arg: boolean): boolean {
return arg;
}
// Options: [{"contexts":["TSDeclareFunction:not(TSDeclareFunction + TSDeclareFunction)","FunctionDeclaration:not(TSDeclareFunction + FunctionDeclaration)"],"require":{"FunctionDeclaration":false}}]
// Message: Missing JSDoc comment.
export function foo(arg: boolean): boolean {
return arg;
}
export function bar(arg: true): true;
export function bar(arg: false): false;
export function bar(arg: boolean): boolean {
return arg;
}
// Options: [{"contexts":["ExportNamedDeclaration[declaration.type=\"TSDeclareFunction\"]:not(ExportNamedDeclaration[declaration.type=\"TSDeclareFunction\"] + ExportNamedDeclaration[declaration.type=\"TSDeclareFunction\"])","ExportNamedDeclaration[declaration.type=\"FunctionDeclaration\"]:not(ExportNamedDeclaration[declaration.type=\"TSDeclareFunction\"] + ExportNamedDeclaration[declaration.type=\"FunctionDeclaration\"])"],"require":{"FunctionDeclaration":false}}]
// Message: Missing JSDoc comment.
module.exports.foo = (bar) => {
return bar + "biz"
}
// Options: [{"publicOnly":false,"require":{"ArrowFunctionExpression":true,"FunctionDeclaration":true,"FunctionExpression":true,"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
class Animal {
#name: string;
private species: string;
public color: string;
@SomeAnnotation('optionalParameter')
tail: boolean;
}
// Options: [{"contexts":["ClassProperty"]}]
// Message: Missing JSDoc comment.
@Entity('users')
export class User {}
// Options: [{"require":{"ClassDeclaration":true}}]
// Message: Missing JSDoc comment.
/**
*
*/
class Foo {
constructor() {}
}
// Options: [{"exemptEmptyConstructors":false,"require":{"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
/**
*
*/
class Foo {
constructor(notEmpty) {}
}
// Options: [{"exemptEmptyConstructors":true,"require":{"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
/**
*
*/
class Foo {
constructor() {
const notEmpty = true;
return notEmpty;
}
}
// Options: [{"exemptEmptyConstructors":true,"require":{"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
/**
*
*/
function quux() {
}
// Settings: {"jsdoc":{"structuredTags":{"see":{"name":false,"required":["name"]}}}}
// Message: Cannot add "name" to `require` with the tag's `name` set to `false`
class Test {
aFunc() {}
}
// Options: [{"checkConstructors":false,"require":{"ArrowFunctionExpression":true,"ClassDeclaration":false,"ClassExpression":true,"FunctionDeclaration":true,"FunctionExpression":true,"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
class Test {
aFunc = () => {}
anotherFunc() {}
}
// Options: [{"require":{"ArrowFunctionExpression":true,"ClassDeclaration":false,"ClassExpression":true,"FunctionDeclaration":true,"FunctionExpression":true,"MethodDefinition":true}}]
// Message: Missing JSDoc comment.
export enum testEnum {
A, B
}
// Options: [{"contexts":["TSEnumDeclaration"],"publicOnly":true}]
// Message: Missing JSDoc comment.
export interface Test {
aFunc: () => void;
aVar: string;
}
// Options: [{"contexts":["TSInterfaceDeclaration"],"publicOnly":true}]
// Message: Missing JSDoc comment.
export type testType = string | number;
// Options: [{"contexts":["TSTypeAliasDeclaration"],"publicOnly":true}]
// Message: Missing JSDoc comment.
export interface Foo {
bar: number;
baz: string;
quux(): void;
}
// Options: [{"contexts":["TSPropertySignature","TSMethodSignature"],"publicOnly":true}]
// Message: Missing JSDoc comment.
The following patterns are not considered problems:
/**
*
*/
var array = [1,2,3];
array.forEach(function() {});
/**
* @class MyClass
**/
function MyClass() {}
/**
Function doing something
*/
function myFunction() {}
/**
Function doing something
*/
var myFunction = function() {};
/**
Function doing something
*/
Object.myFunction = function () {};
var obj = {
/**
* Function doing something
**/
myFunction: function () {} };
/**
@func myFunction
*/
function myFunction() {}
/**
@method myFunction
*/
function myFunction() {}
/**
@function myFunction
*/
function myFunction() {}
/**
@func myFunction
*/
var myFunction = function () {}
/**
@method myFunction
*/
var myFunction = function () {}
/**
@function myFunction
*/
var myFunction = function () {}
/**
@func myFunction
*/
Object.myFunction = function() {}
/**
@method myFunction
*/
Object.myFunction = function() {}
/**
@function myFunction
*/
Object.myFunction = function() {}
(function(){})();
var object = {
/**
* @func myFunction - Some function
*/
myFunction: function() {} }
var object = {
/**
* @method myFunction - Some function
*/
myFunction: function() {} }
var object = {
/**
* @function myFunction - Some function
*/
myFunction: function() {} }
var array = [1,2,3];
array.filter(function() {});
Object.keys(this.options.rules || {}).forEach(function(name) {}.bind(this));
var object = { name: 'key'};
Object.keys(object).forEach(function() {})
/**
* @func myFunction
*/
function myFunction() {
}
// Settings: {"jsdoc":{"maxLines":2,"minLines":0}}
/**
* @func myFunction
*/
function myFunction() {
}
// Settings: {"jsdoc":{"maxLines":3,"minLines":0}}
/** @func myFunction */ function myFunction() {
}
// Settings: {"jsdoc":{"maxLines":0,"minLines":0}}
/**
* @func myFunction
*/
function myFunction() {
}
// Settings: {"jsdoc":{"maxLines":3,"minLines":2}}
function myFunction() {}
// Options: [{"require":{"ClassDeclaration":true,"FunctionDeclaration":false,"MethodDefinition":true}}]
var myFunction = function() {}
// Options: [{"require":{"ClassDeclaration":true,"FunctionDeclaration":false,"MethodDefinition":true}}]
/**
* Description for A.
*/
class A {
/**
* Description for constructor.
* @param {object[]} xs - xs
*/
constructor(xs) {
this.a = xs;
}
}
// Options: [{"require":{"ClassDeclaration":true,"MethodDefinition":true}}]
/**
* Description for A.
*/
class App extends Component {
/**
* Description for constructor.
* @param {object[]} xs - xs
*/
constructor(xs) {
this.a = xs;
}
}
// Options: [{"require":{"ClassDeclaration":true,"MethodDefinition":true}}]
/**
* Description for A.
*/
export default class App extends Component {
/**
* Description for constructor.
* @param {object[]} xs - xs
*/
constructor(xs) {
this.a = xs;
}
}
// Options: [{"require":{"ClassDeclaration":true,"MethodDefinition":true}}]
/**
* Description for A.
*/
export class App extends Component {
/**
* Description for constructor.
* @param {object[]} xs - xs
*/
constructor(xs) {
this.a = xs;
}
}
// Options: [{"require":{"ClassDeclaration":true,"MethodDefinition":true}}]
class A {
constructor(xs) {
this.a = xs;
}
}
// Options: [{"require":{"ClassDeclaration":false,"MethodDefinition":false}}]
/**
* Function doing something
*/
var myFunction = () => {}
// Options: [{"require":{"ArrowFunctionExpression":true}}]
/**
* Function doing something
*/
var myFunction = function () {}
// Options: [{"require":{"ArrowFunctionExpression":true}}]
/**
* Function doing something
*/
var myFunction = () => {}
// Options: [{"require":{"ArrowFunctionExpression":false}}]
/**
Function doing something
*/
var myFunction = () => () => {}
// Options: [{"require":{"ArrowFunctionExpression":true}}]
setTimeout(() => {}, 10);
// Options: [{"require":{"ArrowFunctionExpression":true}}]
/**
JSDoc Block
*/
var foo = function() {}
// Options: [{"require":{"FunctionExpression":true}}]
const foo = {/**
JSDoc Block
*/
bar() {}}
// Options: [{"require":{"FunctionExpression":true}}]
var foo = {/**
JSDoc Block
*/
bar: function() {}}
// Options: [{"require":{"FunctionExpression":true}}]
var foo = { [function() {}]: 1 };
// Options: [{"require":{"FunctionExpression":true}}]
function foo () {}
// Options: [{"exemptEmptyFunctions":true}]
function foo () {
return;
}
// Options: [{"exemptEmptyFunctions":true}]
const test = {};
/**
* test
*/
test.method = function () {
}
module.exports = {
prop: { prop2: test.method }
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
/**
*
*/
function test() {
}
module.exports = {
prop: { prop2: test }
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
/**
*
*/
test = function() {
}
module.exports = {
prop: { prop2: test }
}
// Options: [{"publicOnly":{"cjs":true,"esm":false,"window":false},"require":{"FunctionExpression":true}}]
/**
*
*/
test = function() {
}
exports.someMethod = {
prop: { prop2: test }
}
// Options: [{"publicOnly":{"cjs":false,"esm":true,"window":false},"require":{"FunctionExpression":true}}]
/**
*
*/
const test = () => {
}
module.exports = {
prop: { prop2: test }
}
// Options: [{"publicOnly":true,"require":{"ArrowFunctionExpression":true}}]
const test = () => {
}
module.exports = {
prop: { prop2: test }
}
// Options: [{"publicOnly":{"ancestorsOnly":true},"require":{"ArrowFunctionExpression":true}}]
/**
*
*/
window.test = function() {
}
module.exports = {
prop: window
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
test = function() {
}
/**
*
*/
test = function() {
}
module.exports = {
prop: { prop2: test }
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
test = function() {
}
test = 2;
module.exports = {
prop: { prop2: test }
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
/**
*
*/
function test() {
}
/**
*
*/
test.prototype.method = function() {
}
module.exports = {
prop: { prop2: test }
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
class Test {
/**
* Test
*/
method() {
}
}
module.exports = Test;
// Options: [{"publicOnly":true,"require":{"MethodDefinition":true}}]
/**
*
*/
export default function quux () {
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
/**
*
*/
export default function quux () {
}
// Options: [{"publicOnly":{"ancestorsOnly":true},"require":{"FunctionExpression":true}}]
/**
*
*/
function quux () {
}
export default quux;
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
function quux () {
}
export default quux;
// Options: [{"publicOnly":{"ancestorsOnly":true},"require":{"FunctionExpression":true}}]
/**
*
*/
export function test() {
}
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
/**
*
*/
export function test() {
}
// Options: [{"publicOnly":{"ancestorsOnly":true},"require":{"FunctionExpression":true}}]
/**
*
*/
var test = function () {
}
var test2 = 2;
export { test, test2 }
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
/**
*
*/
var test = function () {
}
export { test as test2 }
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
/**
*
*/
export default class A {
}
// Options: [{"publicOnly":{"ancestorsOnly":true},"require":{"ClassDeclaration":true}}]
/**
*
*/
var test = function () {
}
// Options: [{"publicOnly":{"window":true},"require":{"FunctionExpression":true}}]
let test = function () {
}
// Options: [{"publicOnly":{"window":true},"require":{"FunctionExpression":true}}]
let test = class {
}
// Options: [{"publicOnly":true,"require":{"ClassExpression":false}}]
/**
*
*/
let test = class {
}
// Options: [{"publicOnly":true,"require":{"ClassExpression":true}}]
export function someMethod() {
}
// Options: [{"publicOnly":{"cjs":true,"esm":false,"window":false},"require":{"FunctionDeclaration":true}}]
export function someMethod() {
}
// Options: [{"publicOnly":{"cjs":true,"esm":false,"window":false},"require":{"FunctionDeclaration":true}}]
exports.someMethod = function() {
}
// Options: [{"publicOnly":{"cjs":false,"esm":true,"window":false},"require":{"FunctionExpression":true}}]
const myObject = {
myProp: true
};
// Options: [{"contexts":[]}]
function bear() {}
/**
*
*/
function quux () {
}
export default quux;
// Options: [{"publicOnly":true,"require":{"FunctionExpression":true}}]
/**
* This example interface is great!
*/
export interface Example {
/**
* My super test string!
*/
test: string
}
// Options: [{"contexts":["TSInterfaceDeclaration"]}]
/**
* This example interface is great!
*/
interface Example {
/**
* My super test string!
*/
test: string
}
// Options: [{"contexts":["TSInterfaceDeclaration"]}]
/**
* This example type is great!
*/
export type Example = {
/**
* My super test string!
*/
test: string
};
// Options: [{"contexts":["TSTypeAliasDeclaration"]}]
/**
* This example type is great!
*/
type Example = {
/**
* My super test string!
*/
test: string
};
// Options: [{"contexts":["TSTypeAliasDeclaration"]}]
/**
* This example enum is great!
*/
export enum Example {
/**
* My super test enum!
*/
test = 123
}
// Options: [{"contexts":["TSEnumDeclaration"]}]
/**
* This example enum is great!
*/
enum Example {
/**
* My super test enum!
*/
test = 123
}
// Options: [{"contexts":["TSEnumDeclaration"]}]
const foo = {...{}};
function bar() {}
// Options: [{"exemptEmptyFunctions":false,"publicOnly":true,"require":{"ArrowFunctionExpression":true,"ClassDeclaration":true,"ClassExpression":true,"FunctionDeclaration":true,"FunctionExpression":false,"MethodDefinition":true}}]
/**
* Class documentation
*/
@logged
export default class Foo {
// ....
}
// Options: [{"exemptEmptyFunctions":false,"require":{"ClassDeclaration":true}}]
const a = {};
const b = {
...a
};
export default b;
// Options: [{"contexts":["ObjectExpression"],"exemptEmptyFunctions":false,"publicOnly":true}]
/**
* Foo interface documentation.
*/
export interface Foo extends Bar {
/**
* baz method documentation.
*/
baz(): void;
/**
* meow method documentation.
*/
meow(): void;
}
// Options: [{"contexts":["TSMethodSignature"]}]
export default class Test {
private abc(a) {
this.a = a;
}
}
// Options: [{"contexts":["MethodDefinition:not([accessibility=\"private\"]) > FunctionExpression"],"publicOnly":true,"require":{"ArrowFunctionExpression":false,"ClassDeclaration":false,"ClassExpression":false,"FunctionDeclaration":false,"FunctionExpression":false,"MethodDefinition":false}}]
/**
* Basic application controller.
*/
@Controller()
export class AppController {
/**
* Returns the application information.
*
* @returns ...
*/
@Get('/info')
public getInfo(): string {
return 'OK';
}
}
// Options: [{"require":{"ArrowFunctionExpression":false,"ClassDeclaration":true,"ClassExpression":true,"FunctionDeclaration":true,"FunctionExpression":false,"MethodDefinition":true}}]
/**
* Entity to represent a user in the system.
*/
@Entity('users')
export class User {
}
// Options: [{"require":{"ArrowFunctionExpression":false,"ClassDeclaration":true,"ClassExpression":true,"FunctionDeclaration":true,"FunctionExpression":false,"MethodDefinition":true}}]
/**
* Entity to represent a user in the system.
*/
@Entity('users', getVal())
export class User {
}
// Options: [{"require":{"ArrowFunctionExpression":false,"ClassDeclaration":true,"ClassExpression":true,"FunctionDeclaration":true,"FunctionExpression":false,"MethodDefinition":true}}]
/**
*
*/
class Foo {
constructor() {}
}
// Options: [{"exemptEmptyConstructors":true,"require":{"MethodDefinition":true}}]
/**
*
*/
class Foo {
constructor() {}
}
// Options: [{"checkConstructors":false,"require":{"MethodDefinition":true}}]
class Base {
constructor() {
}
}
// Options: [{"contexts":["MethodDefinition"],"exemptEmptyConstructors":true}]
/**
* This is a text.
*/
export function a(); // Reports an error
// Options: [{"contexts":["TSDeclareFunction"],"require":{"FunctionDeclaration":true}}]
require-param-description
Requires that each @param tag has a description value.
Options
contexts
Set this to an array of strings representing the AST context
where you wish the rule to be applied.
Overrides the default contexts (see below). Set to "any" if you want
the rule to apply to any jsdoc block throughout your files (as is necessary
for finding function blocks not attached to a function declaration or
expression, i.e., @callback or @function (or its aliases @func or
@method) (including those associated with an @interface).
See the "AST and Selectors" section of our README for more on the expected format.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | param |
| Aliases | arg, argument |
| Recommended | true |
| Options | contexts |
The following patterns are considered problems:
/**
* @param foo
*/
function quux (foo) {
}
// Message: Missing JSDoc @param "foo" description.
/**
* @param foo
*/
function quux (foo) {
}
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @param "foo" description.
/**
* @function
* @param foo
*/
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @param "foo" description.
/**
* @callback
* @param foo
*/
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @param "foo" description.
/**
* @arg foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":"arg"}}}
// Message: Missing JSDoc @arg "foo" description.
/**
* @param foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":false}}}
// Message: Unexpected tag `@param`
The following patterns are not considered problems:
/**
*
*/
function quux (foo) {
}
/**
* @param foo Foo.
*/
function quux (foo) {
}
/**
* @param foo Foo.
*/
function quux (foo) {
}
// Options: [{"contexts":["any"]}]
/**
* @function
* @param foo
*/
/**
* @callback
* @param foo
*/
require-param-name
Requires that all function parameters have names.
The
@paramtag requires you to specify the name of the parameter you are documenting. You can also include the parameter's type, enclosed in curly brackets, and a description of the parameter.
Options
contexts
Set this to an array of strings representing the AST context
where you wish the rule to be applied.
Overrides the default contexts (see below). Set to "any" if you want
the rule to apply to any jsdoc block throughout your files (as is necessary
for finding function blocks not attached to a function declaration or
expression, i.e., @callback or @function (or its aliases @func or
@method) (including those associated with an @interface).
See the "AST and Selectors" section of our README for more on the expected format.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | param |
| Aliases | arg, argument |
| Recommended | true |
| Options | contexts |
The following patterns are considered problems:
/**
* @param
*/
function quux (foo) {
}
// Message: There must be an identifier after @param type.
/**
* @param {string}
*/
function quux (foo) {
}
// Message: There must be an identifier after @param tag.
/**
* @param {string}
*/
function quux (foo) {
}
// Options: [{"contexts":["any"]}]
// Message: There must be an identifier after @param tag.
/**
* @function
* @param {string}
*/
// Options: [{"contexts":["any"]}]
// Message: There must be an identifier after @param tag.
/**
* @callback
* @param {string}
*/
// Options: [{"contexts":["any"]}]
// Message: There must be an identifier after @param tag.
/**
* @param foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":false}}}
// Message: Unexpected tag `@param`
The following patterns are not considered problems:
/**
* @param foo
*/
function quux (foo) {
}
/**
* @param foo
*/
function quux (foo) {
}
// Options: [{"contexts":["any"]}]
/**
* @param {string} foo
*/
function quux (foo) {
}
/**
* @function
* @param
*/
/**
* @callback
* @param
*/
require-param-type
Requires that each @param tag has a type value.
Options
contexts
Set this to an array of strings representing the AST context
where you wish the rule to be applied.
Overrides the default contexts (see below). Set to "any" if you want
the rule to apply to any jsdoc block throughout your files (as is necessary
for finding function blocks not attached to a function declaration or
expression, i.e., @callback or @function (or its aliases @func or
@method) (including those associated with an @interface).
See the "AST and Selectors" section of our README for more on the expected format.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | param |
| Aliases | arg, argument |
| Recommended | true |
| Options | contexts |
The following patterns are considered problems:
/**
* @param foo
*/
function quux (foo) {
}
// Message: Missing JSDoc @param "foo" type.
/**
* @param foo
*/
function quux (foo) {
}
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @param "foo" type.
/**
* @function
* @param foo
*/
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @param "foo" type.
/**
* @callback
* @param foo
*/
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @param "foo" type.
/**
* @arg foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":"arg"}}}
// Message: Missing JSDoc @arg "foo" type.
/**
* @param foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":false}}}
// Message: Unexpected tag `@param`
The following patterns are not considered problems:
/**
*
*/
function quux (foo) {
}
/**
* @param {number} foo
*/
function quux (foo) {
}
/**
* @param {number} foo
*/
function quux (foo) {
}
// Options: [{"contexts":["any"]}]
/**
* @function
* @param foo
*/
/**
* @callback
* @param foo
*/
require-param
Requires that all function parameters are documented.
Fixer
Adds @param <name> for each tag present in the function signature but
missing in the jsdoc. Can be disabled by setting the enableFixer
option to false.
Destructured object and array naming
When the fixer is applied to destructured objects, only the input name is used.
So for:
/**
* @param cfg
*/
function quux ({foo: bar, baz: bax = 5}) {
}
..the fixed jsdoc will be:
/**
* @param cfg
* @param cfg.foo
* @param cfg.baz
*/
This is because the input to the function is the relevant item for understanding the function's input, not how the variable is renamed for internal use (the signature itself documents that).
For destructured arrays, the input name is merely the array index.
So for:
/**
* @param cfg
*/
function quux ([foo, bar]) {
}
..the fixed jsdoc will be:
/**
* @param cfg
* @param cfg.0
* @param cfg.1
*/
Missing root fixing
Note that unless enableRootFixer (or enableFixer) is set to false,
missing roots will be added and auto-incremented. The default behavior
is for "root" to be auto-inserted for missing roots, followed by a
0-based auto-incrementing number.
So for:
function quux ({foo}, {bar}, {baz}) {
}
...the default jsdoc that would be added if the fixer is enabled would be:
/**
* @param root0
* @param root0.foo
* @param root1
* @param root1.bar
* @param root2
* @param root2.baz
*/
The name of "root" can be configured with unnamedRootBase (which also allows
cycling through a list of multiple root names before there is need for any
numeric component).
And one can have the count begin at another number (e.g., 1) by changing
autoIncrementBase from the default of 0.
Rest Element (RestElement) insertions
The fixer will automatically report/insert jsdoc repeatable parameters if missing.
/**
* @param {GenericArray} cfg
* @param {number} cfg.0
*/
function baar ([a, ...extra]) {
//
}
..becomes:
/**
* @param {GenericArray} cfg
* @param {number} cfg.0
* @param {...any} cfg.1
*/
function baar ([a, ...extra]) {
//
}
Note that the type any is included since we don't know of any specific
type to use.
To disable such rest element insertions, set enableRestElementFixer to
false.
Note too that the following will be reported even though there is an item
corresponding to extra:
/**
* @param {GenericArray} cfg
* @param {number} cfg.0
* @param {any} cfg.1
*/
function baar ([a, ...extra]) {
//
}
...because it does not use the ... syntax in the type.
Object Rest Property insertions
If the checkRestProperty option is set to true (false by default),
missing rest properties will be reported with documentation auto-inserted:
/**
* @param cfg
* @param cfg.num
*/
function quux ({num, ...extra}) {
}
...becomes:
/**
* @param cfg
* @param cfg.num
* @param cfg.extra
*/
function quux ({num, ...extra}) {
}
You may wish to manually note in your jsdoc for extra that this is a
rest property, however, as jsdoc
does not appear
to currently support syntax or output to distinguish rest properties from
other properties, so in looking at the docs alone without looking at the
function signature, it may appear that there is an actual property named
extra.
Options
An options object accepts the following optional properties:
enableFixer
Whether to enable the fixer. Defaults to true.
enableRootFixer
Whether to enable the auto-adding of incrementing roots (see the "Fixer"
section). Defaults to true. Has no effect if enableFixer is set to
false.
enableRestElementFixer
Whether to enable the rest element fixer (see
"Rest Element (RestElement) insertions"). Defaults to true.
checkRestProperty
If set to true, will report (and add fixer insertions) for missing rest
properties. Defaults to false.
If set to true, note that you can still document the subproperties of the
rest property using other jsdoc features, e.g., @typedef:
/**
* @typedef ExtraOptions
* @property innerProp1
* @property innerProp2
*/
/**
* @param cfg
* @param cfg.num
* @param {ExtraOptions} extra
*/
function quux ({num, ...extra}) {
}
Setting this option to false (the default) may be useful in cases where
you already have separate @param definitions for each of the properties
within the rest property.
For example, with the option disabled, this will not give an error despite
extra not having any definition:
/**
* @param cfg
* @param cfg.num
*/
function quux ({num, ...extra}) {
}
Nor will this:
/**
* @param cfg
* @param cfg.num
* @param cfg.innerProp1
* @param cfg.innerProp2
*/
function quux ({num, ...extra}) {
}
autoIncrementBase
Numeric to indicate the number at which to begin auto-incrementing roots.
Defaults to 0.
unnamedRootBase
An array of root names to use in the fixer when roots are missing. Defaults
to ['root']. Note that only when all items in the array besides the last
are exhausted will auto-incrementing occur. So, with
unnamedRootBase: ['arg', 'config'], the following:
function quux ({foo}, [bar], {baz}) {
}
...will get the following jsdoc block added:
/**
* @param arg
* @param arg.foo
* @param config0
* @param config0.0 (`bar`)
* @param config1
* @param config1.baz
*/
exemptedBy
Array of tags (e.g., ['type']) whose presence on the document block
avoids the need for a @param. Defaults to an array with
inheritdoc. If you set this array, it will overwrite the default,
so be sure to add back inheritdoc if you wish its presence to cause
exemption of the rule.
checkTypesPattern
When one specifies a type, unless it is of a generic type, like object
or array, it may be considered unnecessary to have that object's
destructured components required, especially where generated docs will
link back to the specified type. For example:
/**
* @param {SVGRect} bbox - a SVGRect
*/
export const bboxToObj = function ({x, y, width, height}) {
return {x, y, width, height};
};
By default checkTypesPattern is set to
/^(?:[oO]bject|[aA]rray|PlainObject|Generic(?:Object|Array))$/,
meaning that destructuring will be required only if the type of the @param
(the text between curly brackets) is a match for "Object" or "Array" (with or
without initial caps), "PlainObject", or "GenericObject", "GenericArray" (or
if no type is present). So in the above example, the lack of a match will
mean that no complaint will be given about the undocumented destructured
parameters.
Note that the / delimiters are optional, but necessary to add flags.
You could set this regular expression to a more expansive list, or you could restrict it such that even types matching those strings would not need destructuring.
contexts
Set this to an array of strings representing the AST context
where you wish the rule to be applied. Overrides the default
contexts (see below). May be useful for adding such as
TSMethodSignature in TypeScript or restricting the contexts
which are checked.
See the "AST and Selectors" section of our README for more on the expected format.
checkConstructors
A value indicating whether constructors should be checked. Defaults to
true.
checkGetters
A value indicating whether getters should be checked. Defaults to false.
checkSetters
A value indicating whether getters should be checked. Defaults to false.
checkDestructured
Whether to require destructured properties. Defaults to true.
checkDestructuredRoots
Whether to check the existence of a corresponding @param for root objects
of destructured properties (e.g., that for function ({a, b}) {}, that there
is something like @param myRootObj defined that can correspond to
the {a, b} object parameter).
If checkDestructuredRoots is false, checkDestructured will also be
implied to be false (i.e., the inside of the roots will not be checked
either, e.g., it will also not complain if a or b do not have their own
documentation). Defaults to true.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | param |
| Aliases | arg, argument |
| Recommended | true |
| Options | autoIncrementBase, checkDestructured, checkDestructuredRoots, contexts, enableFixer, enableRootFixer, enableRestElementFixer, checkRestProperty, exemptedBy, checkConstructors, checkGetters, checkSetters, checkTypesPattern, unnamedRootBase |
| Settings | overrideReplacesDocs, augmentsExtendsReplacesDocs, implementsReplacesDocs |
The following patterns are considered problems:
/**
*
*/
function quux (foo) {
}
// Message: Missing JSDoc @param "foo" declaration.
/**
*
*/
function quux (foo) {
}
// Options: [{"contexts":["FunctionDeclaration"]}]
// Message: Missing JSDoc @param "foo" declaration.
/**
*
*/
function quux ({foo}) {
}
// Message: Missing JSDoc @param "root0" declaration.
/**
* @param foo
*/
function quux (foo, bar, {baz}) {
}
// Options: [{"checkDestructured":false}]
// Message: Missing JSDoc @param "bar" declaration.
/**
* @param foo
*/
function quux (foo, bar, {baz}) {
}
// Options: [{"checkDestructuredRoots":false}]
// Message: Missing JSDoc @param "bar" declaration.
/**
*
*/
function quux ({foo}) {
}
// Options: [{"enableFixer":false}]
// Message: Missing JSDoc @param "root0" declaration.
/**
*
*/
function quux ({foo: bar = 5} = {}) {
}
// Message: Missing JSDoc @param "root0" declaration.
/**
* @param
*/
function quux ({foo}) {
}
// Message: Missing JSDoc @param "root0" declaration.
/**
* @param
*/
function quux ({foo}) {
}
// Options: [{"autoIncrementBase":1}]
// Message: Missing JSDoc @param "root1" declaration.
/**
* @param options
*/
function quux ({foo}) {
}
// Message: Missing JSDoc @param "options.foo" declaration.
/**
* @param
*/
function quux ({ foo, bar: { baz }}) {
}
// Message: Missing JSDoc @param "root0" declaration.
/**
*
*/
function quux ({foo}, {bar}) {
}
// Options: [{"unnamedRootBase":["arg"]}]
// Message: Missing JSDoc @param "arg0" declaration.
/**
*
*/
function quux ({foo}, {bar}) {
}
// Options: [{"unnamedRootBase":["arg","config"]}]
// Message: Missing JSDoc @param "arg" declaration.
/**
*
*/
function quux ({foo}, {bar}) {
}
// Options: [{"enableRootFixer":false,"unnamedRootBase":["arg","config"]}]
// Message: Missing JSDoc @param "arg" declaration.
/**
*
*/
function quux (foo, bar) {
}
// Message: Missing JSDoc @param "foo" declaration.
/**
* @param foo
*/
function quux (foo, bar) {
}
// Message: Missing JSDoc @param "bar" declaration.
/**
* @param bar
*/
function quux (foo, bar, baz) {
}
// Message: Missing JSDoc @param "foo" declaration.
/**
* @param foo
* @param bar
*/
function quux (foo, bar, baz) {
}
// Message: Missing JSDoc @param "baz" declaration.
/**
* @param baz
*/
function quux (foo, bar, baz) {
}
// Message: Missing JSDoc @param "foo" declaration.
/**
* @param
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":"arg"}}}
// Message: Missing JSDoc @arg "foo" declaration.
/**
* @param foo
*/
function quux (foo, bar) {
}
// Message: Missing JSDoc @param "bar" declaration.
/**
* @override
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"overrideReplacesDocs":false}}
// Message: Missing JSDoc @param "foo" declaration.
/**
* @implements
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"implementsReplacesDocs":false}}
// Message: Missing JSDoc @param "foo" declaration.
/**
* @augments
*/
function quux (foo) {
}
// Message: Missing JSDoc @param "foo" declaration.
/**
* @extends
*/
function quux (foo) {
}
// Message: Missing JSDoc @param "foo" declaration.
/**
* @override
*/
class A {
/**
*
*/
quux (foo) {
}
}
// Settings: {"jsdoc":{"overrideReplacesDocs":false}}
// Message: Missing JSDoc @param "foo" declaration.
/**
* @implements
*/
class A {
/**
*
*/
quux (foo) {
}
}
// Settings: {"jsdoc":{"implementsReplacesDocs":false}}
// Message: Missing JSDoc @param "foo" declaration.
/**
* @augments
*/
class A {
/**
*
*/
quux (foo) {
}
}
// Message: Missing JSDoc @param "foo" declaration.
/**
* @extends
*/
class A {
/**
*
*/
quux (foo) {
}
}
// Message: Missing JSDoc @param "foo" declaration.
export class SomeClass {
/**
* @param property
*/
constructor(private property: string, private foo: number) {}
}
// Message: Missing JSDoc @param "foo" declaration.
/**
* @param
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":false}}}
// Message: Unexpected tag `@param`
/**
*
*/
function quux ({bar, baz}, foo) {
}
// Message: Missing JSDoc @param "root0" declaration.
/**
*
*/
function quux (foo, {bar, baz}) {
}
// Message: Missing JSDoc @param "foo" declaration.
/**
*
*/
function quux ([bar, baz], foo) {
}
// Message: Missing JSDoc @param "root0" declaration.
/**
*
*/
function quux (foo) {
}
// Options: [{"exemptedBy":["notPresent"]}]
// Message: Missing JSDoc @param "foo" declaration.
/**
* @inheritdoc
*/
function quux (foo) {
}
// Options: [{"exemptedBy":[]}]
// Message: Missing JSDoc @param "foo" declaration.
/**
* @inheritdoc
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: Missing JSDoc @param "foo" declaration.
/**
* Assign the project to a list of employees.
* @param {object[]} employees - The employees who are responsible for the project.
* @param {string} employees[].name - The name of an employee.
* @param {string} employees[].department - The employee's department.
*/
function assign (employees, name) {
};
// Message: Missing JSDoc @param "name" declaration.
interface ITest {
/**
* Test description.
*/
TestMethod(id: number): void;
}
// Options: [{"contexts":["TSMethodSignature"]}]
// Message: Missing JSDoc @param "id" declaration.
/**
* A test class.
*/
abstract class TestClass
{
/**
* A test method.
*/
abstract TestFunction(id);
}
// Options: [{"contexts":["TSEmptyBodyFunctionExpression"]}]
// Message: Missing JSDoc @param "id" declaration.
/**
* A test class.
*/
declare class TestClass
{
/**
*
*/
TestMethod(id);
}
// Options: [{"contexts":["TSEmptyBodyFunctionExpression"]}]
// Message: Missing JSDoc @param "id" declaration.
/**
* A test function.
*/
declare let TestFunction: (id) => void;
// Options: [{"contexts":["TSFunctionType"]}]
// Message: Missing JSDoc @param "id" declaration.
/**
* A test function.
*/
let TestFunction: (id) => void;
// Options: [{"contexts":["TSFunctionType"]}]
// Message: Missing JSDoc @param "id" declaration.
/**
* A test function.
*/
function test(
processor: (id: number) => string
) {
return processor(10);
}
// Options: [{"contexts":["TSFunctionType"]}]
// Message: Missing JSDoc @param "id" declaration.
/**
* A test function.
*/
let test = (processor: (id: number) => string) =>
{
return processor(10);
}
// Options: [{"contexts":["TSFunctionType"]}]
// Message: Missing JSDoc @param "id" declaration.
class TestClass {
/**
* A class property.
*/
public Test: (id: number) => string;
}
// Options: [{"contexts":["TSFunctionType"]}]
// Message: Missing JSDoc @param "id" declaration.
class TestClass {
/**
* A class method.
*/
public TestMethod(): (id: number) => string
{
}
}
// Options: [{"contexts":["TSFunctionType"]}]
// Message: Missing JSDoc @param "id" declaration.
interface TestInterface {
/**
* An interface property.
*/
public Test: (id: number) => string;
}
// Options: [{"contexts":["TSFunctionType"]}]
// Message: Missing JSDoc @param "id" declaration.
interface TestInterface {
/**
* An interface method.
*/
public TestMethod(): (id: number) => string;
}
// Options: [{"contexts":["TSFunctionType"]}]
// Message: Missing JSDoc @param "id" declaration.
/**
* A function with return type
*/
function test(): (id: number) => string;
// Options: [{"contexts":["TSFunctionType"]}]
// Message: Missing JSDoc @param "id" declaration.
/**
* A function with return type
*/
let test = (): (id: number) => string =>
{
return (id) => `${id}`;
}
// Options: [{"contexts":["TSFunctionType"]}]
// Message: Missing JSDoc @param "id" declaration.
/**
* @param baz
* @param options
*/
function quux (baz, {foo: bar}) {
}
// Message: Missing JSDoc @param "options.foo" declaration.
class Client {
/**
* Set collection data.
* @param {Object} data The collection data object.
* @param {number} data.last_modified
* @param {Object} options The options object.
* @param {Object} [options.headers] The headers object option.
* @param {Number} [options.retry=0] Number of retries to make
* when faced with transient errors.
* @param {Boolean} [options.safe] The safe option.
* @param {Boolean} [options.patch] The patch option.
* @param {Number} [options.last_modified] The last_modified option.
* @return {Promise<Object, Error>}
*/
async setData(
data: { last_modified?: number },
options: {
headers?: Record<string, string>;
safe?: boolean;
retry?: number;
patch?: boolean;
last_modified?: number;
permissions?: [];
} = {}
) {}
}
// Message: Missing JSDoc @param "options.permissions" declaration.
/**
*
*/
function quux (foo) {
}
// Options: [{"enableFixer":false}]
// Message: Missing JSDoc @param "foo" declaration.
class Client {
/**
* Set collection data.
* @return {Promise<Object, Error>}
*/
async setData(
data: { last_modified?: number }
) {}
}
// Message: Missing JSDoc @param "data" declaration.
/**
* @param cfg
* @param cfg.num
*/
function quux ({num, ...extra}) {
}
// Options: [{"checkRestProperty":true}]
// Message: Missing JSDoc @param "cfg.extra" declaration.
/**
* @param cfg
* @param cfg.opts
* @param cfg.opts.num
*/
function quux ({opts: {num, ...extra}}) {
}
// Options: [{"checkRestProperty":true}]
// Message: Missing JSDoc @param "cfg.opts.extra" declaration.
/**
* @param {GenericArray} cfg
* @param {number} cfg.0
*/
function baar ([a, ...extra]) {
//
}
// Message: Missing JSDoc @param "cfg.1" declaration.
/**
* @param a
*/
function baar (a, ...extra) {
//
}
// Message: Missing JSDoc @param "extra" declaration.
/**
* Converts an SVGRect into an object.
* @param {SVGRect} bbox - a SVGRect
*/
const bboxToObj = function ({x, y, width, height}) {
return {x, y, width, height};
};
// Options: [{"checkTypesPattern":"SVGRect"}]
// Message: Missing JSDoc @param "bbox.x" declaration.
/**
* Converts an SVGRect into an object.
* @param {object} bbox - a SVGRect
*/
const bboxToObj = function ({x, y, width, height}) {
return {x, y, width, height};
};
// Message: Missing JSDoc @param "bbox.x" declaration.
module.exports = class GraphQL {
/**
* @param fetchOptions
* @param cacheKey
*/
fetch = ({ url, ...options }, cacheKey) => {
}
};
// Options: [{"checkRestProperty":true}]
// Message: Missing JSDoc @param "fetchOptions.url" declaration.
(function() {
/**
* A function.
*/
function f(param) {
return !param;
}
})();
// Message: Missing JSDoc @param "param" declaration.
/**
* Description.
* @param {Object} options
* @param {Object} options.foo
*/
function quux ({ foo: { bar } }) {}
// Message: Missing JSDoc @param "options.foo.bar" declaration.
/**
* Description.
* @param {FooBar} options
* @param {FooBar} options.foo
*/
function quux ({ foo: { bar } }) {}
// Options: [{"checkTypesPattern":"FooBar"}]
// Message: Missing JSDoc @param "options.foo.bar" declaration.
/**
* Description.
* @param {Object} options
* @param {FooBar} foo
*/
function quux ({ foo: { bar } }) {}
// Message: Missing JSDoc @param "options.foo" declaration.
/**
* Description.
* @param {Object} options
* @param options.foo
*/
function quux ({ foo: { bar } }) {}
// Message: Missing JSDoc @param "options.foo.bar" declaration.
/**
* Description.
* @param {object} options Options.
* @param {object} options.foo A description.
* @param {object} options.foo.bar
*/
function foo({ foo: { bar: { baz } }}) {}
// Message: Missing JSDoc @param "options.foo.bar.baz" declaration.
The following patterns are not considered problems:
/**
* @param foo
*/
function quux (foo) {
}
/**
* @param root0
* @param root0.foo
*/
function quux ({foo}) {
}
/**
* @param root0
* @param root0.foo
* @param root1
* @param root1.bar
*/
function quux ({foo}, {bar}) {
}
/**
* @param arg0
* @param arg0.foo
* @param arg1
* @param arg1.bar
*/
function quux ({foo}, {bar}) {
}
// Options: [{"unnamedRootBase":["arg"]}]
/**
* @param arg
* @param arg.foo
* @param config0
* @param config0.bar
* @param config1
* @param config1.baz
*/
function quux ({foo}, {bar}, {baz}) {
}
// Options: [{"unnamedRootBase":["arg","config"]}]
/**
* @inheritdoc
*/
function quux (foo) {
}
/**
* @inheritDoc
*/
function quux (foo) {
}
/**
* @arg foo
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"param":"arg"}}}
/**
* @override
* @param foo
*/
function quux (foo) {
}
/**
* @override
*/
function quux (foo) {
}
/**
* @override
*/
class A {
/**
*
*/
quux (foo) {
}
}
/**
* @override
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"overrideReplacesDocs":true}}
/**
* @implements
*/
class A {
/**
*
*/
quux (foo) {
}
}
/**
* @implements
*/
function quux (foo) {
}
/**
* @implements
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"implementsReplacesDocs":true}}
/**
* @implements
* @param foo
*/
function quux (foo) {
}
/**
* @augments
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"augmentsExtendsReplacesDocs":true}}
/**
* @augments
* @param foo
*/
function quux (foo) {
}
/**
* @extends
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"augmentsExtendsReplacesDocs":true}}
/**
* @extends
* @param foo
*/
function quux (foo) {
}
/**
* @augments
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"augmentsExtendsReplacesDocs":true}}
/**
* @extends
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"augmentsExtendsReplacesDocs":true}}
/**
* @override
*/
class A {
/**
* @param foo
*/
quux (foo) {
}
}
/**
* @override
*/
class A {
/**
*
*/
quux (foo) {
}
}
// Settings: {"jsdoc":{"overrideReplacesDocs":true}}
/**
* @implements
*/
class A {
/**
*
*/
quux (foo) {
}
}
// Settings: {"jsdoc":{"implementsReplacesDocs":true}}
/**
* @implements
*/
class A {
/**
* @param foo
*/
quux (foo) {
}
}
/**
* @augments
*/
class A {
/**
*
*/
quux (foo) {
}
}
// Settings: {"jsdoc":{"augmentsExtendsReplacesDocs":true}}
/**
* @augments
*/
class A {
/**
* @param foo
*/
quux (foo) {
}
}
/**
* @extends
*/
class A {
/**
*
*/
quux (foo) {
}
}
// Settings: {"jsdoc":{"augmentsExtendsReplacesDocs":true}}
/**
* @extends
*/
class A {
/**
* @param foo
*/
quux (foo) {
}
}
/**
* @augments
*/
class A {
/**
*
*/
quux (foo) {
}
}
// Settings: {"jsdoc":{"augmentsExtendsReplacesDocs":true}}
/**
* @extends
*/
class A {
/**
*
*/
quux (foo) {
}
}
// Settings: {"jsdoc":{"augmentsExtendsReplacesDocs":true}}
/**
* @internal
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"ignoreInternal":true}}
/**
* @private
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"ignorePrivate":true}}
/**
* @access private
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"ignorePrivate":true}}
// issue 182: optional chaining
/** @const {boolean} test */
const test = something?.find(_ => _)
/** @type {RequestHandler} */
function foo(req, res, next) {}
/**
* @type {MyCallback}
*/
function quux () {
}
// Options: [{"exemptedBy":["type"]}]
/**
* @override
*/
var A = class {
/**
*
*/
quux (foo) {
}
}
export class SomeClass {
/**
* @param property
*/
constructor(private property: string) {}
}
/**
* Assign the project to an employee.
*
* @param {object} employee - The employee who is responsible for the project.
* @param {string} employee.name - The name of the employee.
* @param {string} employee.department - The employee's department.
*/
function assign({name, department}) {
// ...
}
export abstract class StephanPlugin<O, D> {
/**
* Called right after Stephan loads the plugin file.
*
* @example
*```typescript
* type Options = {
* verbose?: boolean;
* token?: string;
* }
* ```
*
* Note that your Options type should only have optional properties...
*
* @param args Arguments compiled and provided by StephanClient.
* @param args.options The options as provided by the user, or an empty object if not provided.
* @param args.client The options as provided by the user, or an empty object if not provided.
* @param defaultOptions The default options as provided by the plugin, or an empty object.
*/
public constructor({options, client}: {
options: O;
client: unknown;
}, defaultOptions: D) {
}
}
/**
*
*/
function quux (foo) {
}
// Options: [{"contexts":["ArrowFunctionExpression"]}]
/**
* A function with return type
*
* @param id
*/
let test = (): (id: number) => string =>
{
return (id) => `${id}`;
}
// Options: [{"contexts":["TSFunctionType"]}]
/** @abstract */
class base {
/** @param {boolean} arg0 */
constructor(arg0) {}
}
class foo extends base {
/** @inheritDoc */
constructor(arg0) {
super(arg0);
this.arg0 = arg0;
}
}
// Settings: {"jsdoc":{"mode":"closure"}}
export abstract class StephanPlugin<O, D> {
/**
* Called right after Stephan loads the plugin file.
*
* @example
*```typescript
* type Options = {
* verbose?: boolean;
* token?: string;
* }
* ```
*
* Note that your Options type should only have optional properties...
*
* @param args Arguments compiled and provided by StephanClient.
* @param args.options The options as provided by the user, or an empty object if not provided.
* @param args.client The options as provided by the user, or an empty object if not provided.
* @param args.client.name The name of the client.
* @param defaultOptions The default options as provided by the plugin, or an empty object.
*/
public constructor({ options, client: { name } }: {
options: O;
client: { name: string };
}, defaultOptions: D) {
}
}
/**
* @param {string} cb
*/
function createGetter (cb) {
return function (...args) {
cb();
};
}
/**
* @param cfg
* @param cfg.num
*/
function quux ({num, ...extra}) {
}
/**
* @param {GenericArray} cfg
* @param {number} cfg.0
*/
function baar ([a, ...extra]) {
//
}
// Options: [{"enableRestElementFixer":false}]
/**
* @param a
*/
function baar (a, ...extra) {
//
}
// Options: [{"enableRestElementFixer":false}]
/**
* Converts an SVGRect into an object.
* @param {SVGRect} bbox - a SVGRect
*/
const bboxToObj = function ({x, y, width, height}) {
return {x, y, width, height};
};
/**
* Converts an SVGRect into an object.
* @param {object} bbox - a SVGRect
*/
const bboxToObj = function ({x, y, width, height}) {
return {x, y, width, height};
};
// Options: [{"checkTypesPattern":"SVGRect"}]
class CSS {
/**
* Set one or more CSS properties for the set of matched elements.
*
* @param {Object} propertyObject - An object of property-value pairs to set.
*/
setCssObject(propertyObject: {[key: string]: string | number}): void {
}
}
/**
* @param foo
* @param bar
* @param cfg
*/
function quux (foo, bar, {baz}) {
}
// Options: [{"checkDestructured":false}]
/**
* @param foo
* @param bar
*/
function quux (foo, bar, {baz}) {
}
// Options: [{"checkDestructuredRoots":false}]
/**
* @param root
* @param root.foo
*/
function quux ({"foo": bar}) {
}
/**
* @param root
* @param root."foo"
*/
function quux ({foo: bar}) {
}
/**
* Description.
* @param {string} b Description `/**`.
*/
module.exports = function a(b) {
console.info(b);
};
/**
* Description.
* @param {Object} options Options.
* @param {FooBar} options.foo foo description.
*/
function quux ({ foo: { bar } }) {}
/**
* Description.
* @param {FooBar} options
* @param {Object} options.foo
*/
function quux ({ foo: { bar } }) {}
// Options: [{"checkTypesPattern":"FooBar"}]
/**
* @param obj
* @param obj.data
* @param obj.data.0
* @param obj.data.1
* @param obj.data.2
* @param obj.defaulting
* @param obj.defaulting.0
* @param obj.defaulting.1
*/
function Item({
data: [foo, bar, ...baz],
defaulting: [quux, xyz] = []
}) {
}
require-property
Requires that all @typedef and @namespace tags have @property
when their type is a plain object, Object, or PlainObject.
Note that any other type, including a subtype of object such as
object<string, string>, will not be reported.
Fixer
The fixer for require-property will add an empty @property.
| Context | Everywhere |
| Tags | typedef, namespace |
| Recommended | true |
The following patterns are considered problems:
/**
* @typedef {object} SomeTypedef
*/
// Message: Missing JSDoc @property.
class Test {
/**
* @typedef {object} SomeTypedef
*/
quux () {}
}
// Message: Missing JSDoc @property.
/**
* @typedef {PlainObject} SomeTypedef
*/
// Settings: {"jsdoc":{"tagNamePreference":{"property":"prop"}}}
// Message: Missing JSDoc @prop.
/**
* @namespace {Object} SomeName
*/
// Message: Missing JSDoc @property.
The following patterns are not considered problems:
/**
*
*/
/**
* @property
*/
/**
* @typedef {Object} SomeTypedef
* @property {SomeType} propName Prop description
*/
/**
* @typedef {object} SomeTypedef
* @prop {SomeType} propName Prop description
*/
// Settings: {"jsdoc":{"tagNamePreference":{"property":"prop"}}}
/**
* @typedef {object} SomeTypedef
* @property
* // arbitrary property content
*/
/**
* @typedef {object<string, string>} SomeTypedef
*/
/**
* @typedef {string} SomeTypedef
*/
/**
* @namespace {object} SomeName
* @property {SomeType} propName Prop description
*/
/**
* @namespace {object} SomeName
* @property
* // arbitrary property content
*/
/**
* @typedef {object} SomeTypedef
* @property someProp
* @property anotherProp This with a description
* @property {anotherType} yetAnotherProp This with a type and desc.
*/
function quux () {
}
require-property-description
Requires that each @property tag has a description value.
| Context | everywhere |
| Tags | property |
| Aliases | prop |
| Recommended | true |
The following patterns are considered problems:
/**
* @typedef {SomeType} SomeTypedef
* @property foo
*/
// Message: Missing JSDoc @property "foo" description.
/**
* @typedef {SomeType} SomeTypedef
* @prop foo
*/
// Settings: {"jsdoc":{"tagNamePreference":{"property":"prop"}}}
// Message: Missing JSDoc @prop "foo" description.
/**
* @typedef {SomeType} SomeTypedef
* @property foo
*/
// Settings: {"jsdoc":{"tagNamePreference":{"property":false}}}
// Message: Unexpected tag `@property`
The following patterns are not considered problems:
/**
* @typedef {SomeType} SomeTypedef
*/
/**
* @typedef {SomeType} SomeTypedef
* @property foo Foo.
*/
/**
* @namespace {SomeType} SomeName
* @property foo Foo.
*/
/**
* @class
* @property foo Foo.
*/
require-property-name
Requires that all function @property tags have names.
| Context | everywhere |
| Tags | property |
| Aliases | prop |
| Recommended | true |
The following patterns are considered problems:
/**
* @typedef {SomeType} SomeTypedef
* @property
*/
// Message: There must be an identifier after @property type.
/**
* @typedef {SomeType} SomeTypedef
* @property {string}
*/
// Message: There must be an identifier after @property tag.
/**
* @typedef {SomeType} SomeTypedef
* @property foo
*/
// Settings: {"jsdoc":{"tagNamePreference":{"property":false}}}
// Message: Unexpected tag `@property`
The following patterns are not considered problems:
/**
* @typedef {SomeType} SomeTypedef
* @property foo
*/
/**
* @typedef {SomeType} SomeTypedef
* @property {string} foo
*/
/**
* @namespace {SomeType} SomeName
* @property {string} foo
*/
/**
* @class
* @property {string} foo
*/
require-property-type
Requires that each @property tag has a type value.
| Context | everywhere |
| Tags | property |
| Aliases | prop |
| Recommended | true |
The following patterns are considered problems:
/**
* @typedef {SomeType} SomeTypedef
* @property foo
*/
// Message: Missing JSDoc @property "foo" type.
/**
* @typedef {SomeType} SomeTypedef
* @prop foo
*/
// Settings: {"jsdoc":{"tagNamePreference":{"property":"prop"}}}
// Message: Missing JSDoc @prop "foo" type.
/**
* @typedef {SomeType} SomeTypedef
* @property foo
*/
// Settings: {"jsdoc":{"tagNamePreference":{"property":false}}}
// Message: Unexpected tag `@property`
The following patterns are not considered problems:
/**
* @typedef {SomeType} SomeTypedef
*/
/**
* @typedef {SomeType} SomeTypedef
* @property {number} foo
*/
/**
* @namespace {SomeType} SomeName
* @property {number} foo
*/
/**
* @class
* @property {number} foo
*/
require-returns-check
Requires a return statement in function body if a @returns tag is specified
in jsdoc comment.
Will also report if multiple @returns tags are present.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression |
| Tags | returns |
| Aliases | return |
| Recommended | true |
The following patterns are considered problems:
/**
* @returns
*/
function quux (foo) {
}
// Message: JSDoc @returns declaration present but return expression not available in function.
/**
* @return
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"returns":"return"}}}
// Message: JSDoc @return declaration present but return expression not available in function.
/**
* @returns
*/
const quux = () => {}
// Message: JSDoc @returns declaration present but return expression not available in function.
/**
* @returns {undefined} Foo.
* @returns {String} Foo.
*/
function quux () {
return foo;
}
// Message: Found more than one @returns declaration.
const language = {
/**
* @param {string} name
* @returns {string}
*/
get name() {
this._name = name;
}
}
// Message: JSDoc @returns declaration present but return expression not available in function.
class Foo {
/**
* @returns {string}
*/
bar () {
}
}
// Message: JSDoc @returns declaration present but return expression not available in function.
/**
* @returns
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"returns":false}}}
// Message: Unexpected tag `@returns`
/**
* @returns {string}
*/
function f () {
function g() {
return 'foo'
}
() => {
return 5
}
}
// Message: JSDoc @returns declaration present but return expression not available in function.
The following patterns are not considered problems:
/**
* @returns Foo.
*/
function quux () {
return foo;
}
/**
* @returns {string} Foo.
*/
function quux () {
return foo;
}
/**
* @returns {string} Foo.
*/
function quux () {
return foo;
}
/**
*
*/
function quux () {
}
/**
* @returns {*} Foo.
*/
const quux = () => foo;
/**
* @returns {undefined} Foo.
*/
function quux () {}
/**
* @returns { void } Foo.
*/
function quux () {}
/**
* @returns {Promise<void>}
*/
async function quux() {}
/**
* @returns {Promise<void>}
*/
const quux = async function () {}
/**
* @returns {Promise<void>}
*/
const quux = async () => {}
/**
* @returns Foo.
* @abstract
*/
function quux () {
throw new Error('must be implemented by subclass!');
}
/**
* @returns Foo.
* @virtual
*/
function quux () {
throw new Error('must be implemented by subclass!');
}
/**
* @returns Foo.
* @constructor
*/
function quux () {
}
/**
* @interface
*/
class Foo {
/**
* @returns {string}
*/
bar () {
}
}
/**
* @record
*/
class Foo {
/**
* @returns {string}
*/
bar () {
}
}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @returns {undefined} Foo.
*/
function quux () {
}
/**
* @returns {void} Foo.
*/
function quux () {
}
/**
* @returns {void} Foo.
*/
function quux () {
return undefined;
}
/**
* @returns {void} Foo.
*/
function quux () {
return;
}
/**
*
*/
function quux () {
return undefined;
}
/**
*
*/
function quux () {
return;
}
/**
* @returns {true}
*/
function quux () {
try {
return true;
} catch (err) {
}
return;
}
/**
* @returns {true}
*/
function quux () {
try {
} finally {
return true;
}
return;
}
/**
* @returns {true}
*/
function quux () {
try {
return;
} catch (err) {
}
return true;
}
/**
* @returns {true}
*/
function quux () {
try {
something();
} catch (err) {
return true;
}
return;
}
/**
* @returns {true}
*/
function quux () {
switch (true) {
case 'abc':
return true;
}
return;
}
/**
* @returns {true}
*/
function quux () {
switch (true) {
case 'abc':
return;
}
return true;
}
/**
* @returns {true}
*/
function quux () {
for (const i of abc) {
return true;
}
return;
}
/**
* @returns {true}
*/
function quux () {
for (const a in b) {
return true;
}
}
/**
* @returns {true}
*/
function quux () {
for (let i=0; i<n; i+=1) {
return true;
}
}
/**
* @returns {true}
*/
function quux () {
while(true) {
return true
}
}
/**
* @returns {true}
*/
function quux () {
do {
return true
}
while(true)
}
/**
* @returns {true}
*/
function quux () {
if (true) {
return;
}
return true;
}
/**
* @returns {true}
*/
function quux () {
if (true) {
return true;
}
}
/**
* @returns {true}
*/
function quux () {
var a = {};
with (a) {
return true;
}
}
/**
* @returns {true}
*/
function quux () {
if (true) {
return;
} else {
return true;
}
return;
}
require-returns-description
Requires that the @returns tag has a description value. The error
will not be reported if the return value is void or undefined
or if it is Promise<void> or Promise<undefined>.
Options
contexts
Set this to an array of strings representing the AST context
where you wish the rule to be applied.
Overrides the default contexts (see below). Set to "any" if you want
the rule to apply to any jsdoc block throughout your files (as is necessary
for finding function blocks not attached to a function declaration or
expression, i.e., @callback or @function (or its aliases @func or
@method) (including those associated with an @interface).
See the "AST and Selectors" section of our README for more on the expected format.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | returns |
| Aliases | return |
| Recommended | true |
| Options | contexts |
The following patterns are considered problems:
/**
* @returns
*/
function quux (foo) {
}
// Message: Missing JSDoc @returns description.
/**
* @returns {string}
*/
function quux (foo) {
}
// Message: Missing JSDoc @returns description.
/**
* @returns {string}
*/
function quux (foo) {
}
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @returns description.
/**
* @function
* @returns {string}
*/
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @returns description.
/**
* @callback
* @returns {string}
*/
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @returns description.
/**
* @return
*/
function quux (foo) {
}
// Settings: {"jsdoc":{"tagNamePreference":{"returns":"return"}}}
// Message: Missing JSDoc @return description.
/**
* @returns
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"returns":false}}}
// Message: Unexpected tag `@returns`
The following patterns are not considered problems:
/**
*
*/
function quux () {
}
/**
* @returns Foo.
*/
function quux () {
}
/**
* @returns Foo.
*/
function quux () {
}
// Options: [{"contexts":["any"]}]
/**
* @returns {undefined}
*/
function quux () {
}
/**
* @returns {void}
*/
function quux () {
}
/**
* @returns {Promise<void>}
*/
function quux () {
}
/**
* @returns {Promise<undefined>}
*/
function quux () {
}
/**
* @function
* @returns
*/
/**
* @callback
* @returns
*/
require-returns-type
Requires that @returns tag has type value.
Options
contexts
Set this to an array of strings representing the AST context
where you wish the rule to be applied.
Overrides the default contexts (see below). Set to "any" if you want
the rule to apply to any jsdoc block throughout your files (as is necessary
for finding function blocks not attached to a function declaration or
expression, i.e., @callback or @function (or its aliases @func or
@method) (including those associated with an @interface).
See the "AST and Selectors" section of our README for more on the expected format.
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | returns |
| Aliases | return |
| Recommended | true |
| Options | contexts |
The following patterns are considered problems:
/**
* @returns
*/
function quux () {
}
// Message: Missing JSDoc @returns type.
/**
* @returns Foo.
*/
function quux () {
}
// Message: Missing JSDoc @returns type.
/**
* @returns Foo.
*/
function quux () {
}
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @returns type.
/**
* @function
* @returns Foo.
*/
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @returns type.
/**
* @callback
* @returns Foo.
*/
// Options: [{"contexts":["any"]}]
// Message: Missing JSDoc @returns type.
/**
* @return Foo.
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"returns":"return"}}}
// Message: Missing JSDoc @return type.
/**
* @returns
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"returns":false}}}
// Message: Unexpected tag `@returns`
The following patterns are not considered problems:
/**
* @returns {number}
*/
function quux () {
}
/**
* @returns {number}
*/
function quux () {
}
// Options: [{"contexts":["any"]}]
/**
* @function
* @returns Foo.
*/
/**
* @callback
* @returns Foo.
*/
require-returns
Requires that returns are documented.
Will also report if multiple @returns tags are present.
Options
checkConstructors- A value indicating whetherconstructors should be checked for@returnstags. Defaults tofalse.checkGetters- Boolean to determine whether getter methods should be checked for@returnstags. Defaults totrue.exemptedBy- Array of tags (e.g.,['type']) whose presence on the document block avoids the need for a@returns. Defaults to an array withinheritdoc. If you set this array, it will overwrite the default, so be sure to add backinheritdocif you wish its presence to cause exemption of the rule.forceRequireReturn- Set totrueto always insist on@returnsdocumentation regardless of implicit or explicitreturn's in the function. May be desired to flag that a project is aware of anundefined/voidreturn. Defaults tofalse.forceReturnsWithAsync- By defaultasyncfunctions that do not explicitly return a value pass this rule as anasyncfunction will always return aPromise, even if thePromiseresolves to void. You can force allasyncfunctions to require return statements by settingforceReturnsWithAsynctotrueon the options object. This may be useful for flagging that there has been consideration of return type. Defaults tofalse.contexts- Set this to an array of strings representing the AST context where you wish the rule to be applied. Overrides the default contexts (see below). Set to"any"if you want the rule to apply to any jsdoc block throughout your files (as is necessary for finding function blocks not attached to a function declaration or expression, i.e.,@callbackor@function(or its aliases@funcor@method) (including those associated with an@interface). This rule will only apply on non-default contexts when there is such a tag present and theforceRequireReturnoption is set or if theforceReturnsWithAsyncoption is set with a present@asynctag (since we are not checking against the actualreturnvalues in these cases).
'jsdoc/require-returns': ['error', {forceReturnsWithAsync: true}]
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | returns |
| Aliases | return |
| Recommended | true |
| Options | checkConstructors, checkGetters, contexts, exemptedBy, forceRequireReturn, forceReturnsWithAsync |
| Settings | overrideReplacesDocs, augmentsExtendsReplacesDocs, implementsReplacesDocs |
The following patterns are considered problems:
/**
*
*/
function quux (foo) {
return foo;
}
// Message: Missing JSDoc @returns declaration.
/**
*
*/
const foo = () => ({
bar: 'baz'
})
// Message: Missing JSDoc @returns declaration.
/**
*
*/
const foo = bar=>({ bar })
// Message: Missing JSDoc @returns declaration.
/**
*
*/
const foo = bar => bar.baz()
// Message: Missing JSDoc @returns declaration.
/**
*
*/
function quux (foo) {
return foo;
}
// Settings: {"jsdoc":{"tagNamePreference":{"returns":"return"}}}
// Message: Missing JSDoc @return declaration.
/**
*
*/
async function quux() {
}
// Options: [{"forceRequireReturn":true}]
// Message: Missing JSDoc @returns declaration.
/**
*
*/
const quux = async function () {}
// Options: [{"forceRequireReturn":true}]
// Message: Missing JSDoc @returns declaration.
/**
*
*/
const quux = async () => {}
// Options: [{"forceRequireReturn":true}]
// Message: Missing JSDoc @returns declaration.
/**
*
*/
async function quux () {}
// Options: [{"forceRequireReturn":true}]
// Message: Missing JSDoc @returns declaration.
/**
*
*/
function quux () {
}
// Options: [{"forceRequireReturn":true}]
// Message: Missing JSDoc @returns declaration.
/**
*
*/
function quux () {
}
// Options: [{"contexts":["any"],"forceRequireReturn":true}]
// Message: Missing JSDoc @returns declaration.
/**
* @function
*/
// Options: [{"contexts":["any"],"forceRequireReturn":true}]
// Message: Missing JSDoc @returns declaration.
/**
* @callback
*/
// Options: [{"contexts":["any"],"forceRequireReturn":true}]
// Message: Missing JSDoc @returns declaration.
const language = {
/**
* @param {string} name
*/
get name() {
return this._name;
}
}
// Message: Missing JSDoc @returns declaration.
/**
*
*/
async function quux () {
}
// Options: [{"forceReturnsWithAsync":true}]
// Message: Missing JSDoc @returns declaration.
/**
* @function
* @async
*/
// Options: [{"contexts":["any"],"forceReturnsWithAsync":true}]
// Message: Missing JSDoc @returns declaration.
/**
* @callback
* @async
*/
// Options: [{"contexts":["any"],"forceReturnsWithAsync":true}]
// Message: Missing JSDoc @returns declaration.
/**
* @returns {undefined}
* @returns {void}
*/
function quux (foo) {
return foo;
}
// Message: Found more than one @returns declaration.
/**
* @returns
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"returns":false}}}
// Message: Unexpected tag `@returns`
/**
* @param foo
*/
function quux (foo) {
return 'bar';
}
// Options: [{"exemptedBy":["notPresent"]}]
// Message: Missing JSDoc @returns declaration.
/**
* @param {array} a
*/
async function foo(a) {
return;
}
// Options: [{"forceReturnsWithAsync":true}]
// Message: Missing JSDoc @returns declaration.
/**
* @param {array} a
*/
async function foo(a) {
return Promise.all(a);
}
// Options: [{"forceReturnsWithAsync":true}]
// Message: Missing JSDoc @returns declaration.
class foo {
/** gets bar */
get bar() {
return 0;
}
}
// Options: [{"checkGetters":true}]
// Message: Missing JSDoc @returns declaration.
class TestClass {
/**
*
*/
constructor() {
return new Map();
}
}
// Options: [{"checkConstructors":true}]
// Message: Missing JSDoc @returns declaration.
class TestClass {
/**
*
*/
get Test() {
return 0;
}
}
// Options: [{"checkGetters":true}]
// Message: Missing JSDoc @returns declaration.
class quux {
/**
*
*/
quux () {
}
}
// Options: [{"contexts":["any"],"forceRequireReturn":true}]
// Message: Missing JSDoc @returns declaration.
/**
* @param {array} a
*/
async function foo(a) {
return Promise.all(a);
}
// Message: Missing JSDoc @returns declaration.
The following patterns are not considered problems:
/**
* @returns Foo.
*/
function quux () {
return foo;
}
/**
* @returns Foo.
*/
function quux () {
return foo;
}
// Options: [{"contexts":["any"]}]
/**
*
*/
function quux () {
}
/**
*
*/
function quux (bar) {
bar.filter(baz => {
return baz.corge();
})
}
/**
* @returns Array
*/
function quux (bar) {
return bar.filter(baz => {
return baz.corge();
})
}
/**
* @returns Array
*/
const quux = (bar) => bar.filter(({ corge }) => corge())
/**
* @inheritdoc
*/
function quux (foo) {
}
/**
* @override
*/
function quux (foo) {
}
/**
* @constructor
*/
function quux (foo) {
}
/**
* @implements
*/
function quux (foo) {
}
/**
* @override
*/
function quux (foo) {
return foo;
}
/**
* @class
*/
function quux (foo) {
}
/**
* @constructor
*/
function quux (foo) {
}
/**
* @returns {object}
*/
function quux () {
return {a: foo};
}
/**
* @returns {object}
*/
const quux = () => ({a: foo});
/**
* @returns {object}
*/
const quux = () => {
return {a: foo}
};
/**
* @returns {void}
*/
function quux () {
}
/**
* @returns {void}
*/
const quux = () => {
}
/**
* @returns {undefined}
*/
function quux () {
}
/**
* @returns {undefined}
*/
const quux = () => {
}
/**
*
*/
function quux () {
}
/**
*
*/
const quux = () => {
}
class Foo {
/**
*
*/
constructor () {
}
}
// Options: [{"forceRequireReturn":true}]
const language = {
/**
* @param {string} name
*/
set name(name) {
this._name = name;
}
}
/**
* @returns {void}
*/
function quux () {
}
// Options: [{"forceRequireReturn":true}]
/**
* @returns {void}
*/
function quux () {
return undefined;
}
/**
* @returns {void}
*/
function quux () {
return undefined;
}
// Options: [{"forceRequireReturn":true}]
/**
* @returns {void}
*/
function quux () {
return;
}
/**
* @returns {void}
*/
function quux () {
}
// Options: [{"forceRequireReturn":true}]
/**
* @returns {void}
*/
function quux () {
return;
}
// Options: [{"forceRequireReturn":true}]
/** @type {RequestHandler} */
function quux (req, res , next) {
return;
}
/**
* @returns {Promise}
*/
async function quux () {
}
// Options: [{"forceRequireReturn":true}]
/**
* @returns {Promise}
*/
async function quux () {
}
// Options: [{"forceReturnsWithAsync":true}]
/**
*
*/
async function quux () {}
/**
*
*/
const quux = async function () {}
/**
*
*/
const quux = async () => {}
/** foo class */
class foo {
/** foo constructor */
constructor () {
// =>
this.bar = true;
}
}
export default foo;
/**
*
*/
function quux () {
}
// Options: [{"forceReturnsWithAsync":true}]
/**
* @type {MyCallback}
*/
function quux () {
}
// Options: [{"exemptedBy":["type"]}]
/**
* @param {array} a
*/
async function foo(a) {
return;
}
/**
*
*/
// Options: [{"contexts":["any"]}]
/**
* @async
*/
// Options: [{"contexts":["any"]}]
/**
* @function
*/
// Options: [{"forceRequireReturn":true}]
/**
* @callback
*/
// Options: [{"forceRequireReturn":true}]
/**
* @function
* @async
*/
// Options: [{"forceReturnsWithAsync":true}]
/**
* @callback
* @async
*/
// Options: [{"forceReturnsWithAsync":true}]
/**
* @function
*/
// Options: [{"contexts":["any"],"forceReturnsWithAsync":true}]
/**
* @callback
*/
// Options: [{"contexts":["any"],"forceReturnsWithAsync":true}]
class foo {
get bar() {
return 0;
}
}
// Options: [{"checkGetters":false}]
class foo {
/** @returns zero */
get bar() {
return 0;
}
}
// Options: [{"checkGetters":true}]
class foo {
/** @returns zero */
get bar() {
return 0;
}
}
// Options: [{"checkGetters":false}]
class TestClass {
/**
*
*/
constructor() { }
}
class TestClass {
/**
* @returns A map.
*/
constructor() {
return new Map();
}
}
class TestClass {
/**
*
*/
constructor() { }
}
// Options: [{"checkConstructors":false}]
class TestClass {
/**
*
*/
get Test() { }
}
class TestClass {
/**
* @returns A number.
*/
get Test() {
return 0;
}
}
class TestClass {
/**
*
*/
get Test() {
return 0;
}
}
// Options: [{"checkGetters":false}]
require-throws
Requires that throw statements are documented.
Options
exemptedBy- Array of tags (e.g.,['type']) whose presence on the document block avoids the need for a@throws. Defaults to an array withinheritdoc. If you set this array, it will overwrite the default, so be sure to add backinheritdocif you wish its presence to cause exemption of the rule.contexts- Set this to an array of strings representing the AST context where you wish the rule to be applied. Overrides the default contexts (see below). Set to"any"if you want the rule to apply to any jsdoc block throughout your files (as is necessary for finding function blocks not attached to a function declaration or expression, i.e.,@callbackor@function(or its aliases@funcor@method) (including those associated with an@interface).
'jsdoc/require-throws': 'error',
| Context | ArrowFunctionExpression, FunctionDeclaration, FunctionExpression; others when contexts option enabled |
| Tags | throws |
| Aliases | exception |
| Recommended | true |
| Options | contexts, exemptedBy |
| Settings | overrideReplacesDocs, augmentsExtendsReplacesDocs, implementsReplacesDocs |
The following patterns are considered problems:
/**
*
*/
function quux (foo) {
throw new Error('err')
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
const quux = function (foo) {
throw new Error('err')
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
const quux = (foo) => {
throw new Error('err')
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
while(true) {
throw new Error('err')
}
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
do {
throw new Error('err')
} while(true)
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
for(var i = 0; i <= 10; i++) {
throw new Error('err')
}
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
for(num in [1,2,3]) {
throw new Error('err')
}
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
for(const num of [1,2,3]) {
throw new Error('err')
}
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
for(const index in [1,2,3]) {
throw new Error('err')
}
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
with(foo) {
throw new Error('err')
}
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
if (true) {
throw new Error('err')
}
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
if (false) {
// do nothing
} else {
throw new Error('err')
}
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
try {
throw new Error('err')
} catch(e) {
throw new Error(e.message)
}
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
try {
// do nothing
} finally {
throw new Error(e.message)
}
}
// Message: Missing JSDoc @throws declaration.
/**
*
*/
function quux (foo) {
const a = 'b'
switch(a) {
case 'b':
throw new Error('err')
}
}
// Message: Missing JSDoc @throws declaration.
/**
* @throws
*/
function quux () {
}
// Settings: {"jsdoc":{"tagNamePreference":{"throws":false}}}
// Message: Unexpected tag `@throws`
/**
*
*/
const directThrowAfterArrow = (b) => {
const a = () => {};
if (b) {
throw new Error('oops')
}
return a;
};
// Message: Missing JSDoc @throws declaration.
The following patterns are not considered problems:
/**
* @throws An error.
*/
function quux () {
throw new Error('err')
}
/**
*
*/
function quux (foo) {
try {
throw new Error('err')
} catch(e) {}
}
/**
* @inheritdoc
*/
function quux (foo) {
throw new Error('err')
}
/**
* @abstract
*/
function quux (foo) {
throw new Error('err')
}
/**
*
*/
function quux (foo) {
}
/**
* @type {MyCallback}
*/
function quux () {
throw new Error('err')
}
// Options: [{"exemptedBy":["type"]}]
/**
*
*/
const itself = (n) => n;
/**
* Not tracking on nested function
*/
const nested = () => () => {throw new Error('oops');};
valid-types
Requires all types to be valid JSDoc, Closure, or TypeScript compiler types
without syntax errors. Note that what determines a valid type is handled by
our type parsing engine, jsdoctypeparser,
using settings.jsdoc.mode to
determine whether to use jsdoctypeparser's "permissive" mode or the stricter
"jsdoc", "typescript", "closure" modes.
The following tags have their "type" portions (the segment within brackets)
checked (though those portions may sometimes be confined to namepaths,
e.g., @modifies):
- Tags with required types:
@type,@implements - Tags with required types in Closure or TypeScript:
@this,@define(Closure only) - Tags with optional types:
@enum,@member(@var),@typedef,@augments(or@extends),@class(or@constructor),@constant(or@const),@module(module paths are not planned for TypeScript),@namespace,@throws,@exception,@yields(or@yield),@modifies(undocumented jsdoc);@param(@arg,@argument),@property(@prop), and@returns(@return) also fall into this category, but while this rule will check their type validity, we leave the requiring of the type portion to the rulesrequire-param-type,require-property-type, andrequire-returns-type, respectively. - Tags with types that are available optionally in Closure:
@export,@package,@private,@protected,@public,@static;@template(TypeScript also) - Tags with optional types that may take free text instead:
@throws
The following tags have their name/namepath portion (the non-whitespace text after the tag name) checked:
- Name(path)-defining tags requiring namepath:
@event,@callback,@external,@host,@name,@typedef, and@template(TypeScript/Closure only);@param(@arg,@argument) and@property(@prop) also fall into this category, but while this rule will check their namepath validity, we leave the requiring of the name portion to the rulesrequire-param-nameandrequire-property-name, respectively. - Name(path)-defining tags (which may have value without namepath or their
namepath can be expressed elsewhere on the block):
@class,@constructor,@constant,@const,@function,@func,@method,@interface(TypeScript tag only),@member,@var,@mixin,@namespace,@module(module paths are not planned for TypeScript) - Name(path)-pointing tags requiring namepath:
@alias,@augments,@extends,@lends,@memberof,@memberof!,@mixes,@this(jsdoc only) - Name(path)-pointing tags (which may have value without namepath or their
namepath can be expressed elsewhere on the block):
@listens,@fires,@emits. - Name(path)-pointing tags which may have free text or a namepath:
@see - Name(path)-pointing tags (multiple names in one):
@borrows
...with the following applying to the above sets:
- Expect tags in set 1-4 to have a valid namepath if present
- Prevent sets 2 and 4 from being empty by setting
allowEmptyNamepathstofalseas these tags might have some indicative value without a path or may allow a name expressed elsewhere on the block (but sets 1 and 3 will always fail if empty) - For the special case of set 6, i.e.,
@borrows <that namepath> as <this namepath>, check that both namepaths are present and valid and ensure there is anasbetween them. In the case of<this namepath>, it can be preceded by one of the name path operators,#,., or~. - For the special case of
@memberofand@memberof!(part of set 3), as per the specification, they also allow#,., or~at the end (which is not allowed at the end of normal paths).
If you define your own tags, settings.jsdoc.structuredTags will allow
these custom tags to be checked, with the name portion of tags checked for
valid namepaths (based on the tag's name value), their type portions checked
for valid types (based on the tag's type value), and either portion checked
for presence (based on false name or type values or their required
value). See the setting for more details.
Options
allowEmptyNamepaths(default: true) - Set tofalseto bulk disallow empty name paths with namepath groups 2 and 4 (these might often be expected to have an accompanying name path, though they have some indicative value without one; these may also allow names to be defined in another manner elsewhere in the block); you can usesettings.jsdoc.structuredTagswith therequiredkey set to "name" if you wish to require name paths on a tag-by-tag basis.
| Context | everywhere |
| Tags | For name only unless otherwise stated: alias, augments, borrows, callback, class (for name and type), constant (for name and type), enum (for type), event, external, fires, function, implements (for type), interface, lends, listens, member (for name and type), memberof, memberof!, mixes, mixin, modifies, module (for name and type), name, namespace (for name and type), param (for name and type), property (for name and type), returns (for type), see (optionally for name), this, throws (for type), type (for type), typedef (for name and type), yields (for type) |
| Aliases | extends, constructor, const, host, emits, func, method, var, arg, argument, prop, return, exception, yield |
| Closure-only | For type only: package, private, protected, public, static |
| Recommended | true |
| Options | allowEmptyNamepaths |
| Settings | mode, structuredTags |
The following patterns are considered problems:
/**
* @param {Array<string} foo
*/
function quux() {
}
// Message: Syntax error in type: Array<string
/**
* @memberof module:namespace.SomeClass<~
*/
function quux() {
}
// Message: Syntax error in namepath: module:namespace.SomeClass<~
/**
* @param someParam<~
*/
function quux() {
}
// Message: Syntax error in namepath: someParam<~
/**
* @memberof module:namespace.SomeClass~<
*/
function quux() {
}
// Message: Syntax error in namepath: module:namespace.SomeClass~<
/**
* @borrows foo% as bar
*/
function quux() {
}
// Message: Syntax error in namepath: foo%
/**
* @borrows #foo as bar
*/
function quux() {
}
// Message: Syntax error in namepath: #foo
/**
* @borrows foo as bar%
*/
function quux() {
}
// Message: Syntax error in namepath: bar%
/**
* @borrows foo
*/
function quux() {
}
// Message: @borrows must have an "as" expression. Found ""
/**
* @see foo%
*/
function quux() {
}
// Settings: {"jsdoc":{"structuredTags":{"see":{"name":"namepath-referencing","required":["name"]}}}}
// Message: Syntax error in namepath: foo%
/**
* @alias module:abc#event:foo-bar
*/
function quux() {
}
// Message: Syntax error in namepath: module:abc#event:foo-bar
/**
* @mixes module:namespace.SomeClass~
*/
function quux() {
}
// Message: Syntax error in namepath: module:namespace.SomeClass~
/**
* @callback
*/
function quux() {
}
// Options: [{"allowEmptyNamepaths":false}]
// Message: Tag @callback must have a name/namepath.
/**
* @constant {str%ng}
*/
const FOO = 'foo';
// Message: Syntax error in type: str%ng
/**
* @typedef {str%ng} UserString
*/
// Message: Syntax error in type: str%ng
/**
* @typedef {string} UserStr%ng
*/
// Message: Syntax error in namepath: UserStr%ng
/**
* @this
*/
class Bar {};
// Options: [{"allowEmptyNamepaths":false}]
// Message: Tag @this must have either a type or namepath in "jsdoc" mode.
/**
* @aCustomTag
*/
// Settings: {"jsdoc":{"structuredTags":{"aCustomTag":{"required":["typeOrNameRequired"]}}}}
// Options: [{"allowEmptyNamepaths":false}]
// Message: Tag @aCustomTag must have either a type or namepath.
/**
* @type
*/
let foo;
// Message: Tag @type must have a type.
/**
* @modifies {bar | foo<}
*/
function quux (foo, bar, baz) {}
// Message: Syntax error in type: bar | foo<
/**
* @private {BadTypeChecked<}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: Syntax error in type: BadTypeChecked<
/**
* @this {BadTypeChecked<}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: Syntax error in type: BadTypeChecked<
/**
* @define
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: Tag @define must have a type in "closure" mode.
/**
* @this
*/
let foo;
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: Tag @this must have a type in "closure" mode.
/**
* Foo function.
*
* @param {[number, string]} bar - The bar array.
*/
function foo(bar) {}
// Settings: {"jsdoc":{"mode":"jsdoc"}}
// Message: Syntax error in type: [number, string]
/**
* @interface name<
*/
// Settings: {"jsdoc":{"mode":"jsdoc"}}
// Message: Syntax error in namepath: name<
/**
* @module name<
*/
// Settings: {"jsdoc":{"mode":"jsdoc"}}
// Message: Syntax error in namepath: name<
/**
* @module module:name<
*/
// Settings: {"jsdoc":{"mode":"jsdoc"}}
// Message: Syntax error in namepath: module:name<
/**
* @interface name
*/
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: @interface should not have a name in "closure" mode.
/**
* @aCustomTag name
*/
// Settings: {"jsdoc":{"structuredTags":{"aCustomTag":{"name":false}}}}
// Message: @aCustomTag should not have a name.
/**
* @typedef {SomeType}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"jsdoc"}}
// Options: [{"allowEmptyNamepaths":false}]
// Message: Tag @typedef must have a name/namepath in "jsdoc" mode.
/**
* @private {SomeType}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"jsdoc"}}
// Message: @private should not have a bracketed type in "jsdoc" mode.
/**
* @aCustomTag {SomeType}
*/
function quux () {}
// Settings: {"jsdoc":{"structuredTags":{"aCustomTag":{"type":false}}}}
// Message: @aCustomTag should not have a bracketed type.
/**
* @see foo%
*/
function quux() {
}
// Settings: {"jsdoc":{"structuredTags":{"see":{"name":false,"required":["name"]}}}}
// Message: Cannot add "name" to `require` with the tag's `name` set to `false`
/**
* @see foo%
*/
function quux() {
}
// Settings: {"jsdoc":{"structuredTags":{"see":{"required":["type"],"type":false}}}}
// Message: Cannot add "type" to `require` with the tag's `type` set to `false`
/**
* @see foo%
*/
function quux() {
}
// Settings: {"jsdoc":{"structuredTags":{"see":{"name":false,"required":["typeOrNameRequired"]}}}}
// Message: Cannot add "typeOrNameRequired" to `require` with the tag's `name` set to `false`
/**
* @see foo%
*/
function quux() {
}
// Settings: {"jsdoc":{"structuredTags":{"see":{"required":["typeOrNameRequired"],"type":false}}}}
// Message: Cannot add "typeOrNameRequired" to `require` with the tag's `type` set to `false`
/**
* @template T<~, R
* @param {function(!T): !R} parser
* @return {function(!Array<!T>): !Array<!R>}
*/
parseArray = function(parser) {
return function(array) {
return array.map(parser);
};
};
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: Syntax error in namepath: T<~
/**
* @template T, R<~
* @param {function(!T): !R} parser
* @return {function(!Array<!T>): !Array<!R>}
*/
parseArray = function(parser) {
return function(array) {
return array.map(parser);
};
};
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: Syntax error in namepath: R<~
/**
* @template T, R<~
* @param {function(!T): !R} parser
* @return {function(!Array<!T>): !Array<!R>}
*/
parseArray = function(parser) {
return function(array) {
return array.map(parser);
};
};
// Settings: {"jsdoc":{"mode":"closure"}}
// Message: Syntax error in namepath: R<~
The following patterns are not considered problems:
/**
* @param {Array<string>} foo
*/
function quux() {
}
/**
* @param {string} foo
*/
function quux() {
}
/**
* @param foo
*/
function quux() {
}
/**
* @borrows foo as bar
*/
function quux() {
}
/**
* @borrows foo as #bar
*/
function quux() {
}
/**
* @see foo%
*/
function quux() {
}
/**
* @alias module:namespace.SomeClass#event:ext_anevent
*/
function quux() {
}
/**
* @callback foo
*/
function quux() {
}
/**
* @callback
*/
function quux() {
}
// Options: [{"allowEmptyNamepaths":true}]
/**
* @class
*/
function quux() {
}
/**
* @see {@link foo}
*/
function quux() {
}
// Settings: {"jsdoc":{"structuredTags":{"see":{"name":"namepath-referencing","required":["name"]}}}}
/**
*
* @fires {module:namespace.SomeClass#event:ext_anevent}
*/
function quux() {
}
/**
* @memberof module:namespace.SomeClass~
*/
function quux() {
}
/**
* @memberof! module:namespace.SomeClass.
*/
function quux() {
}
/**
*
*/
function quux() {
}
/**
* @aCustomTag
*/
function quux() {
}
/**
* @constant {string}
*/
const FOO = 'foo';
/**
* @constant {string} FOO
*/
const FOO = 'foo';
/**
* @extends Foo
*/
class Bar {};
/**
* @extends Foo<String>
*/
class Bar {};
/**
* @extends {Foo<String>}
*/
class Bar {};
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @typedef {number | string} UserDefinedType
*/
/**
* @typedef {number | string}
*/
let UserDefinedGCCType;
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @modifies {foo | bar}
*/
function quux (foo, bar, baz) {}
/**
* @this {Navigator}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @export {SomeType}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @define {boolean}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @define
*/
function quux () {}
/**
* Foo function.
*
* @interface foo
*/
function foo(bar) {}
// Settings: {"jsdoc":{"mode":"typescript"}}
/**
* Foo function.
*
* @param {[number, string]} bar - The bar array.
*/
function foo(bar) {}
// Settings: {"jsdoc":{"mode":"typescript"}}
/**
* Foo function.
*
* @param {[number, string]} bar - The bar array.
*/
function foo(bar) {}
/**
* Foo function.
*
* @param {[number, string]} bar - The bar array.
*/
function foo(bar) {}
// Settings: {"jsdoc":{"mode":"permissive"}}
/**
* @typedef {SomeType}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
// Options: [{"allowEmptyNamepaths":false}]
/**
* @private {SomeType}
*/
function quux () {}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @param
*/
function quux() {
}
// Options: [{"allowEmptyNamepaths":false}]
/**
* @see
*/
function quux() {
}
// Settings: {"jsdoc":{"structuredTags":{"see":{"name":"namepath-referencing"}}}}
/**
* @template T, R
* @param {function(!T): !R} parser
* @return {function(!Array<!T>): !Array<!R>}
*/
parseArray = function(parser) {
return function(array) {
return array.map(parser);
};
};
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* @template T, R<~
* @param {function(!T): !R} parser
* @return {function(!Array<!T>): !Array<!R>}
*/
parseArray = function(parser) {
return function(array) {
return array.map(parser);
};
};
// Settings: {"jsdoc":{"mode":"jsdoc"}}
/**
* @template {string} K - K must be a string or string literal
* @template {{ serious: string }} Seriousalizable - must have a serious property
* @param {K} key
* @param {Seriousalizable} object
*/
function seriousalize(key, object) {
// ????
}
// Settings: {"jsdoc":{"mode":"typescript"}}
/**
* @module foo/bar
*/
/**
* @module module:foo/bar
*/
/**
* @template invalid namepath,T Description
*/
function f() {}
// Settings: {"jsdoc":{"mode":"closure"}}
/**
* Description of complicated type.
*
* @template T Description of the T type parameter.
* @template U - Like other tags, this can have an optional hyphen before the description.
* @template V,W More parameters
* @template W,X - Also with a hyphen
*/
type ComplicatedType<T, U, V, W, X> = never