546 lines
22 KiB
JavaScript
Executable file
546 lines
22 KiB
JavaScript
Executable file
"use strict";
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/**
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* @license
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* Copyright Google LLC All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
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}) : (function(o, m, k, k2) {
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if (k2 === undefined) k2 = k;
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o[k2] = m[k];
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}));
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var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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Object.defineProperty(o, "default", { enumerable: true, value: v });
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}) : function(o, v) {
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o["default"] = v;
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});
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var __importStar = (this && this.__importStar) || function (mod) {
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if (mod && mod.__esModule) return mod;
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var result = {};
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if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
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__setModuleDefault(result, mod);
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return result;
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.addRouteDeclarationToModule = exports.getRouterModuleDeclaration = exports.getEnvironmentExportName = exports.isImported = exports.addBootstrapToModule = exports.addExportToModule = exports.addProviderToModule = exports.addImportToModule = exports.addDeclarationToModule = exports.addSymbolToNgModuleMetadata = exports.getMetadataField = exports.getDecoratorMetadata = exports.insertAfterLastOccurrence = exports.findNode = exports.getSourceNodes = exports.findNodes = exports.insertImport = void 0;
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const core_1 = require("@angular-devkit/core");
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const ts = __importStar(require("../third_party/github.com/Microsoft/TypeScript/lib/typescript"));
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const change_1 = require("./change");
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/**
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* Add Import `import { symbolName } from fileName` if the import doesn't exit
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* already. Assumes fileToEdit can be resolved and accessed.
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* @param fileToEdit (file we want to add import to)
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* @param symbolName (item to import)
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* @param fileName (path to the file)
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* @param isDefault (if true, import follows style for importing default exports)
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* @return Change
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*/
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function insertImport(source, fileToEdit, symbolName, fileName, isDefault = false) {
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const rootNode = source;
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const allImports = findNodes(rootNode, ts.SyntaxKind.ImportDeclaration);
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// get nodes that map to import statements from the file fileName
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const relevantImports = allImports.filter((node) => {
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// StringLiteral of the ImportDeclaration is the import file (fileName in this case).
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const importFiles = node
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.getChildren()
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.filter(ts.isStringLiteral)
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.map((n) => n.text);
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return importFiles.filter((file) => file === fileName).length === 1;
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});
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if (relevantImports.length > 0) {
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let importsAsterisk = false;
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// imports from import file
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const imports = [];
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relevantImports.forEach((n) => {
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Array.prototype.push.apply(imports, findNodes(n, ts.SyntaxKind.Identifier));
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if (findNodes(n, ts.SyntaxKind.AsteriskToken).length > 0) {
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importsAsterisk = true;
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}
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});
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// if imports * from fileName, don't add symbolName
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if (importsAsterisk) {
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return new change_1.NoopChange();
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}
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const importTextNodes = imports.filter((n) => n.text === symbolName);
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// insert import if it's not there
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if (importTextNodes.length === 0) {
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const fallbackPos = findNodes(relevantImports[0], ts.SyntaxKind.CloseBraceToken)[0].getStart() ||
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findNodes(relevantImports[0], ts.SyntaxKind.FromKeyword)[0].getStart();
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return insertAfterLastOccurrence(imports, `, ${symbolName}`, fileToEdit, fallbackPos);
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}
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return new change_1.NoopChange();
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}
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// no such import declaration exists
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const useStrict = findNodes(rootNode, ts.isStringLiteral).filter((n) => n.text === 'use strict');
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let fallbackPos = 0;
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if (useStrict.length > 0) {
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fallbackPos = useStrict[0].end;
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}
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const open = isDefault ? '' : '{ ';
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const close = isDefault ? '' : ' }';
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// if there are no imports or 'use strict' statement, insert import at beginning of file
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const insertAtBeginning = allImports.length === 0 && useStrict.length === 0;
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const separator = insertAtBeginning ? '' : ';\n';
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const toInsert = `${separator}import ${open}${symbolName}${close}` +
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` from '${fileName}'${insertAtBeginning ? ';\n' : ''}`;
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return insertAfterLastOccurrence(allImports, toInsert, fileToEdit, fallbackPos, ts.SyntaxKind.StringLiteral);
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}
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exports.insertImport = insertImport;
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function findNodes(node, kindOrGuard, max = Infinity, recursive = false) {
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if (!node || max == 0) {
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return [];
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}
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const test = typeof kindOrGuard === 'function'
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? kindOrGuard
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: (node) => node.kind === kindOrGuard;
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const arr = [];
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if (test(node)) {
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arr.push(node);
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max--;
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}
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if (max > 0 && (recursive || !test(node))) {
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for (const child of node.getChildren()) {
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findNodes(child, test, max, recursive).forEach((node) => {
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if (max > 0) {
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arr.push(node);
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}
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max--;
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});
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if (max <= 0) {
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break;
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}
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}
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}
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return arr;
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}
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exports.findNodes = findNodes;
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/**
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* Get all the nodes from a source.
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* @param sourceFile The source file object.
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* @returns {Array<ts.Node>} An array of all the nodes in the source.
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*/
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function getSourceNodes(sourceFile) {
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const nodes = [sourceFile];
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const result = [];
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while (nodes.length > 0) {
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const node = nodes.shift();
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if (node) {
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result.push(node);
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if (node.getChildCount(sourceFile) >= 0) {
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nodes.unshift(...node.getChildren());
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}
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}
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}
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return result;
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}
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exports.getSourceNodes = getSourceNodes;
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function findNode(node, kind, text) {
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if (node.kind === kind && node.getText() === text) {
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// throw new Error(node.getText());
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return node;
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}
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let foundNode = null;
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ts.forEachChild(node, (childNode) => {
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foundNode = foundNode || findNode(childNode, kind, text);
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});
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return foundNode;
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}
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exports.findNode = findNode;
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/**
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* Helper for sorting nodes.
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* @return function to sort nodes in increasing order of position in sourceFile
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*/
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function nodesByPosition(first, second) {
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return first.getStart() - second.getStart();
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}
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/**
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* Insert `toInsert` after the last occurence of `ts.SyntaxKind[nodes[i].kind]`
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* or after the last of occurence of `syntaxKind` if the last occurence is a sub child
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* of ts.SyntaxKind[nodes[i].kind] and save the changes in file.
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*
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* @param nodes insert after the last occurence of nodes
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* @param toInsert string to insert
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* @param file file to insert changes into
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* @param fallbackPos position to insert if toInsert happens to be the first occurence
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* @param syntaxKind the ts.SyntaxKind of the subchildren to insert after
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* @return Change instance
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* @throw Error if toInsert is first occurence but fall back is not set
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*/
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function insertAfterLastOccurrence(nodes, toInsert, file, fallbackPos, syntaxKind) {
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let lastItem;
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for (const node of nodes) {
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if (!lastItem || lastItem.getStart() < node.getStart()) {
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lastItem = node;
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}
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}
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if (syntaxKind && lastItem) {
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lastItem = findNodes(lastItem, syntaxKind).sort(nodesByPosition).pop();
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}
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if (!lastItem && fallbackPos == undefined) {
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throw new Error(`tried to insert ${toInsert} as first occurence with no fallback position`);
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}
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const lastItemPosition = lastItem ? lastItem.getEnd() : fallbackPos;
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return new change_1.InsertChange(file, lastItemPosition, toInsert);
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}
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exports.insertAfterLastOccurrence = insertAfterLastOccurrence;
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function _angularImportsFromNode(node) {
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const ms = node.moduleSpecifier;
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let modulePath;
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switch (ms.kind) {
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case ts.SyntaxKind.StringLiteral:
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modulePath = ms.text;
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break;
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default:
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return {};
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}
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if (!modulePath.startsWith('@angular/')) {
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return {};
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}
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if (node.importClause) {
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if (node.importClause.name) {
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// This is of the form `import Name from 'path'`. Ignore.
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return {};
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}
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else if (node.importClause.namedBindings) {
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const nb = node.importClause.namedBindings;
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if (nb.kind == ts.SyntaxKind.NamespaceImport) {
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// This is of the form `import * as name from 'path'`. Return `name.`.
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return {
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[nb.name.text + '.']: modulePath,
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};
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}
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else {
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// This is of the form `import {a,b,c} from 'path'`
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const namedImports = nb;
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return namedImports.elements
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.map((is) => (is.propertyName ? is.propertyName.text : is.name.text))
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.reduce((acc, curr) => {
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acc[curr] = modulePath;
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return acc;
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}, {});
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}
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}
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return {};
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}
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else {
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// This is of the form `import 'path';`. Nothing to do.
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return {};
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}
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}
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function getDecoratorMetadata(source, identifier, module) {
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const angularImports = findNodes(source, ts.isImportDeclaration)
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.map((node) => _angularImportsFromNode(node))
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.reduce((acc, current) => {
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for (const key of Object.keys(current)) {
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acc[key] = current[key];
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}
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return acc;
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}, {});
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return getSourceNodes(source)
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.filter((node) => {
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return (node.kind == ts.SyntaxKind.Decorator &&
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node.expression.kind == ts.SyntaxKind.CallExpression);
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})
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.map((node) => node.expression)
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.filter((expr) => {
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if (expr.expression.kind == ts.SyntaxKind.Identifier) {
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const id = expr.expression;
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return id.text == identifier && angularImports[id.text] === module;
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}
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else if (expr.expression.kind == ts.SyntaxKind.PropertyAccessExpression) {
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// This covers foo.NgModule when importing * as foo.
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const paExpr = expr.expression;
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// If the left expression is not an identifier, just give up at that point.
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if (paExpr.expression.kind !== ts.SyntaxKind.Identifier) {
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return false;
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}
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const id = paExpr.name.text;
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const moduleId = paExpr.expression.text;
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return id === identifier && angularImports[moduleId + '.'] === module;
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}
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return false;
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})
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.filter((expr) => expr.arguments[0] && expr.arguments[0].kind == ts.SyntaxKind.ObjectLiteralExpression)
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.map((expr) => expr.arguments[0]);
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}
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exports.getDecoratorMetadata = getDecoratorMetadata;
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function getMetadataField(node, metadataField) {
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return (node.properties
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.filter(ts.isPropertyAssignment)
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// Filter out every fields that's not "metadataField". Also handles string literals
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// (but not expressions).
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.filter(({ name }) => {
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return (ts.isIdentifier(name) || ts.isStringLiteral(name)) && name.text === metadataField;
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}));
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}
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exports.getMetadataField = getMetadataField;
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function addSymbolToNgModuleMetadata(source, ngModulePath, metadataField, symbolName, importPath = null) {
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const nodes = getDecoratorMetadata(source, 'NgModule', '@angular/core');
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let node = nodes[0]; // eslint-disable-line @typescript-eslint/no-explicit-any
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// Find the decorator declaration.
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if (!node) {
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return [];
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}
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// Get all the children property assignment of object literals.
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const matchingProperties = getMetadataField(node, metadataField);
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if (matchingProperties.length == 0) {
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// We haven't found the field in the metadata declaration. Insert a new field.
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const expr = node;
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let position;
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let toInsert;
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if (expr.properties.length == 0) {
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position = expr.getEnd() - 1;
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toInsert = `\n ${metadataField}: [\n${core_1.tags.indentBy(4) `${symbolName}`}\n ]\n`;
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}
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else {
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node = expr.properties[expr.properties.length - 1];
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position = node.getEnd();
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// Get the indentation of the last element, if any.
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const text = node.getFullText(source);
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const matches = text.match(/^(\r?\n)(\s*)/);
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if (matches) {
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toInsert =
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`,${matches[0]}${metadataField}: [${matches[1]}` +
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`${core_1.tags.indentBy(matches[2].length + 2) `${symbolName}`}${matches[0]}]`;
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}
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else {
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toInsert = `, ${metadataField}: [${symbolName}]`;
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}
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}
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if (importPath !== null) {
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return [
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new change_1.InsertChange(ngModulePath, position, toInsert),
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insertImport(source, ngModulePath, symbolName.replace(/\..*$/, ''), importPath),
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];
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}
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else {
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return [new change_1.InsertChange(ngModulePath, position, toInsert)];
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}
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}
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const assignment = matchingProperties[0];
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// If it's not an array, nothing we can do really.
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if (assignment.initializer.kind !== ts.SyntaxKind.ArrayLiteralExpression) {
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return [];
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}
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const arrLiteral = assignment.initializer;
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if (arrLiteral.elements.length == 0) {
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// Forward the property.
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node = arrLiteral;
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}
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else {
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node = arrLiteral.elements;
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}
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if (Array.isArray(node)) {
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const nodeArray = node;
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const symbolsArray = nodeArray.map((node) => core_1.tags.oneLine `${node.getText()}`);
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if (symbolsArray.includes(core_1.tags.oneLine `${symbolName}`)) {
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return [];
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}
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node = node[node.length - 1];
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}
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let toInsert;
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let position = node.getEnd();
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if (node.kind == ts.SyntaxKind.ArrayLiteralExpression) {
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// We found the field but it's empty. Insert it just before the `]`.
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position--;
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toInsert = `\n${core_1.tags.indentBy(4) `${symbolName}`}\n `;
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}
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else {
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// Get the indentation of the last element, if any.
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const text = node.getFullText(source);
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const matches = text.match(/^(\r?\n)(\s*)/);
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if (matches) {
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toInsert = `,${matches[1]}${core_1.tags.indentBy(matches[2].length) `${symbolName}`}`;
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}
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else {
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toInsert = `, ${symbolName}`;
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}
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}
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if (importPath !== null) {
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return [
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new change_1.InsertChange(ngModulePath, position, toInsert),
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insertImport(source, ngModulePath, symbolName.replace(/\..*$/, ''), importPath),
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];
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}
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return [new change_1.InsertChange(ngModulePath, position, toInsert)];
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}
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exports.addSymbolToNgModuleMetadata = addSymbolToNgModuleMetadata;
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/**
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* Custom function to insert a declaration (component, pipe, directive)
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* into NgModule declarations. It also imports the component.
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*/
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function addDeclarationToModule(source, modulePath, classifiedName, importPath) {
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return addSymbolToNgModuleMetadata(source, modulePath, 'declarations', classifiedName, importPath);
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}
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exports.addDeclarationToModule = addDeclarationToModule;
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/**
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* Custom function to insert an NgModule into NgModule imports. It also imports the module.
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*/
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function addImportToModule(source, modulePath, classifiedName, importPath) {
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return addSymbolToNgModuleMetadata(source, modulePath, 'imports', classifiedName, importPath);
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}
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exports.addImportToModule = addImportToModule;
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/**
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* Custom function to insert a provider into NgModule. It also imports it.
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*/
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function addProviderToModule(source, modulePath, classifiedName, importPath) {
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return addSymbolToNgModuleMetadata(source, modulePath, 'providers', classifiedName, importPath);
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}
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exports.addProviderToModule = addProviderToModule;
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/**
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* Custom function to insert an export into NgModule. It also imports it.
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*/
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function addExportToModule(source, modulePath, classifiedName, importPath) {
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return addSymbolToNgModuleMetadata(source, modulePath, 'exports', classifiedName, importPath);
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}
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exports.addExportToModule = addExportToModule;
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/**
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* Custom function to insert an export into NgModule. It also imports it.
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*/
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function addBootstrapToModule(source, modulePath, classifiedName, importPath) {
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return addSymbolToNgModuleMetadata(source, modulePath, 'bootstrap', classifiedName, importPath);
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}
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exports.addBootstrapToModule = addBootstrapToModule;
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/**
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* Determine if an import already exists.
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*/
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function isImported(source, classifiedName, importPath) {
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const allNodes = getSourceNodes(source);
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const matchingNodes = allNodes
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.filter(ts.isImportDeclaration)
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.filter((imp) => ts.isStringLiteral(imp.moduleSpecifier) && imp.moduleSpecifier.text === importPath)
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.filter((imp) => {
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if (!imp.importClause) {
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return false;
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}
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const nodes = findNodes(imp.importClause, ts.isImportSpecifier).filter((n) => n.getText() === classifiedName);
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return nodes.length > 0;
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});
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return matchingNodes.length > 0;
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}
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exports.isImported = isImported;
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/**
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* This function returns the name of the environment export
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* whether this export is aliased or not. If the environment file
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* is not imported, then it will return `null`.
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*/
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function getEnvironmentExportName(source) {
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// Initial value is `null` as we don't know yet if the user
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// has imported `environment` into the root module or not.
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let environmentExportName = null;
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const allNodes = getSourceNodes(source);
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allNodes
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.filter(ts.isImportDeclaration)
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.filter((declaration) => declaration.moduleSpecifier.kind === ts.SyntaxKind.StringLiteral &&
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declaration.importClause !== undefined)
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.map((declaration) =>
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// If `importClause` property is defined then the first
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// child will be `NamedImports` object (or `namedBindings`).
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declaration.importClause.getChildAt(0))
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// Find those `NamedImports` object that contains `environment` keyword
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// in its text. E.g. `{ environment as env }`.
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.filter(ts.isNamedImports)
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.filter((namedImports) => namedImports.getText().includes('environment'))
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.forEach((namedImports) => {
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for (const specifier of namedImports.elements) {
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// `propertyName` is defined if the specifier
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// has an aliased import.
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const name = specifier.propertyName || specifier.name;
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// Find specifier that contains `environment` keyword in its text.
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// Whether it's `environment` or `environment as env`.
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if (name.text.includes('environment')) {
|
|
environmentExportName = specifier.name.text;
|
|
}
|
|
}
|
|
});
|
|
return environmentExportName;
|
|
}
|
|
exports.getEnvironmentExportName = getEnvironmentExportName;
|
|
/**
|
|
* Returns the RouterModule declaration from NgModule metadata, if any.
|
|
*/
|
|
function getRouterModuleDeclaration(source) {
|
|
const result = getDecoratorMetadata(source, 'NgModule', '@angular/core');
|
|
const node = result[0];
|
|
const matchingProperties = getMetadataField(node, 'imports');
|
|
if (!matchingProperties) {
|
|
return;
|
|
}
|
|
const assignment = matchingProperties[0];
|
|
if (assignment.initializer.kind !== ts.SyntaxKind.ArrayLiteralExpression) {
|
|
return;
|
|
}
|
|
const arrLiteral = assignment.initializer;
|
|
return arrLiteral.elements
|
|
.filter((el) => el.kind === ts.SyntaxKind.CallExpression)
|
|
.find((el) => el.getText().startsWith('RouterModule'));
|
|
}
|
|
exports.getRouterModuleDeclaration = getRouterModuleDeclaration;
|
|
/**
|
|
* Adds a new route declaration to a router module (i.e. has a RouterModule declaration)
|
|
*/
|
|
function addRouteDeclarationToModule(source, fileToAdd, routeLiteral) {
|
|
const routerModuleExpr = getRouterModuleDeclaration(source);
|
|
if (!routerModuleExpr) {
|
|
throw new Error(`Couldn't find a route declaration in ${fileToAdd}.`);
|
|
}
|
|
const scopeConfigMethodArgs = routerModuleExpr.arguments;
|
|
if (!scopeConfigMethodArgs.length) {
|
|
const { line } = source.getLineAndCharacterOfPosition(routerModuleExpr.getStart());
|
|
throw new Error(`The router module method doesn't have arguments ` + `at line ${line} in ${fileToAdd}`);
|
|
}
|
|
let routesArr;
|
|
const routesArg = scopeConfigMethodArgs[0];
|
|
// Check if the route declarations array is
|
|
// an inlined argument of RouterModule or a standalone variable
|
|
if (ts.isArrayLiteralExpression(routesArg)) {
|
|
routesArr = routesArg;
|
|
}
|
|
else {
|
|
const routesVarName = routesArg.getText();
|
|
let routesVar;
|
|
if (routesArg.kind === ts.SyntaxKind.Identifier) {
|
|
routesVar = source.statements.filter(ts.isVariableStatement).find((v) => {
|
|
return v.declarationList.declarations[0].name.getText() === routesVarName;
|
|
});
|
|
}
|
|
if (!routesVar) {
|
|
const { line } = source.getLineAndCharacterOfPosition(routesArg.getStart());
|
|
throw new Error(`No route declaration array was found that corresponds ` +
|
|
`to router module at line ${line} in ${fileToAdd}`);
|
|
}
|
|
routesArr = findNodes(routesVar, ts.SyntaxKind.ArrayLiteralExpression, 1)[0];
|
|
}
|
|
const occurrencesCount = routesArr.elements.length;
|
|
const text = routesArr.getFullText(source);
|
|
let route = routeLiteral;
|
|
let insertPos = routesArr.elements.pos;
|
|
if (occurrencesCount > 0) {
|
|
const lastRouteLiteral = [...routesArr.elements].pop();
|
|
const lastRouteIsWildcard = ts.isObjectLiteralExpression(lastRouteLiteral) &&
|
|
lastRouteLiteral.properties.some((n) => ts.isPropertyAssignment(n) &&
|
|
ts.isIdentifier(n.name) &&
|
|
n.name.text === 'path' &&
|
|
ts.isStringLiteral(n.initializer) &&
|
|
n.initializer.text === '**');
|
|
const indentation = text.match(/\r?\n(\r?)\s*/) || [];
|
|
const routeText = `${indentation[0] || ' '}${routeLiteral}`;
|
|
// Add the new route before the wildcard route
|
|
// otherwise we'll always redirect to the wildcard route
|
|
if (lastRouteIsWildcard) {
|
|
insertPos = lastRouteLiteral.pos;
|
|
route = `${routeText},`;
|
|
}
|
|
else {
|
|
insertPos = lastRouteLiteral.end;
|
|
route = `,${routeText}`;
|
|
}
|
|
}
|
|
return new change_1.InsertChange(fileToAdd, insertPos, route);
|
|
}
|
|
exports.addRouteDeclarationToModule = addRouteDeclarationToModule;
|