mirror of
https://github.com/codex-team/editor.js
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181 lines
5 KiB
Markdown
181 lines
5 KiB
Markdown
# Editor.js API
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Blocks have access to the public methods provided by Editor.js API Module. Plugin and Tune Developers
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can use Editor\`s API as they want.
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## Api object description
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Common API interface.
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```js
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export interface API {
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blocks: IBlocksAPI;
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caret: ICaretAPI;
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sanitizer: ISanitizerAPI;
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toolbar: IToolbarAPI;
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// ...
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}
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```
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#### BlocksAPI
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Methods that working with Blocks
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`render(data)` - render passed JSON data
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`renderFromHTML(data)` - parse and render passed HTML string (*not for production use*)
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`swap(fromIndex, toIndex)` - swaps two Blocks by their positions
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`delete(blockIndex?: Number)` - deletes Block with passed index
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`getCurrentBlockIndex()` - current Block index
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`getBlockByIndex(index: Number)` - returns Block with passed index
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`getBlocksCount()` - returns Blocks count
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`stretchBlock(index: number, status: boolean)` - make Block stretched
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`insertNewBlock()` - __Deprecated__ insert new Block after working place
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`insert(type?: string, data?: BlockToolData, config?: ToolConfig, index?: number, needToFocus?: boolean)` - insert new Block with passed parameters
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#### SanitizerAPI
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`clean(taintString, config)` - method uses HTMLJanitor to clean taint string.
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Editor.js provides basic config without attributes, but you can inherit by passing your own config.
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If Tool enables inline-tools, we get it's sanitizing rules and merge with your passed custom rules.
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Usage:
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```js
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let taintString = '<div><p style="font-size: 5em;"><b></b>BlockWithText<a onclick="void(0)"></div>'
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let customConfig = {
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b: true,
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p: {
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style: true,
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},
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}
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this.api.sanitizer.clean(taintString, customConfig);
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```
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### ToolbarAPI
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Methods that working with Toolbar
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`open()` - opens toolbar
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`close()` - closes toolbar, toolbox and blockSettings if they are opened
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### InlineToolbarAPI
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Methods that works with inline toolbar
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`open()` - opens inline toolbar, (opens for the current selection)
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`close()` - closes inline toolbar
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### ListenerAPI
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Methods that allows to work with DOM listener. Useful when you forgot to remove listener. Module collects all listeners and destroys automatically
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`on(element: HTMLElement, eventType: string, handler: Function, useCapture?: boolean)` - add event listener to HTML element
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`off(element: HTMLElement, eventType: string, handler: Function)` - remove event handler from HTML element
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### CaretAPI
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Methods to manage caret position.
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Each method accept `position` and `offset` parameters. `Offset` should be used to shift caret by passed amount of characters.
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`Position` can be one of the following values:
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| Value | Description
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| --------- | -----------
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| `start` | Caret will be set at the Block's beginning
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| `end` | Caret will be set at the Block end
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| `default` | More or less emulates browser behaviour, in most cases behaves as `start`
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Each method returns `boolean` value: true if caret is set successfully or false otherwise (e.g. when there is no Block at index);
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`setToFirstBlock(position?: 'end'|'start'|'default', offset?: number): boolean;` — set caret to the first Block
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`setToLastBlock(position?: 'end'|'start'|'default', offset?: number): boolean;` — set caret to the last Block
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`setToNextBlock(position?: 'end'|'start'|'default', offset?: number): boolean;` — set caret to the next Block
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`setToPreviousBlock(position?: 'end'|'start'|'default', offset?: number): boolean;` — set caret to the previous Block
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`setToBlock(index: number, position?: 'end'|'start'|'default', offset?: number): boolean;` — set caret to the Block by passed `index`
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`focus(atEnd?: boolean): boolean;` — set caret to the Editor. If `atEnd` is true, set it at the end.
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### NotifierAPI
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If you need to show any messages for success or failure events you can use notifications module.
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Call on target Editor:
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```javascript
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let editor = new EditorJS({
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onReady: () => {
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editor.notifier.show({
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message: 'Editor is ready!'
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});
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},
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});
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```
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In Tool's class:
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```javascript
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this.api.notifier.show({
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message: 'Cannot upload image. Wrong mime-type.',
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style: 'error',
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});
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```
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Check out [`codex-notifier` package page](https://github.com/codex-team/js-notifier) on GitHub to find docs, params and examples.
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### Destroy API
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If there are necessity to remove Editor.js instance from the page you can use `destroy()` method.
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It makes following steps:
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1. Clear the holder element by setting it\`s innerHTML to empty string
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2. Remove all event listeners related to Editor.js
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3. Delete all properties from instance object and set it\`s prototype to `null`
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After executing the `destroy` method, editor inctance becomes an empty object. This way you will free occupied JS Heap on your page.
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### Shorthands
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Editor`s API provides some shorthands for API methods.
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| Alias | Method |
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| ------ | --------------- |
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| `clear` | `blocks.clear` |
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| `render` | `blocks.render` |
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| `focus` | `caret.focus` |
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| `save` | `saver.save` |
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> Example
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```javascript
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const editor = EditorJS();
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editor.focus();
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editor.save();
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```
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