mirror of
https://github.com/angular/angular-cli.git
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ef3bee6e7d
The schematics recently siwtcher to `jsonc-parser` as the JSOn parser, and that introduced a small regression in the tslint.json file where the rules order is not the same as previously. See https://github.com/cexbrayat/angular-cli-diff/compare/10.0.2...10.1.0-next.0 This commit should fix the issue by providing the insertion index when merging the tslint files. A test has also been added to avoid further regressions.
87 lines
2.2 KiB
TypeScript
87 lines
2.2 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. 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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import { JsonValue } from '@angular-devkit/core';
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import { Tree } from '@angular-devkit/schematics';
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import { Node, applyEdits, findNodeAtLocation, getNodeValue, modify, parseTree } from 'jsonc-parser';
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export type InsertionIndex = (properties: string[]) => number;
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export type JSONPath = (string | number)[];
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/** @internal */
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export class JSONFile {
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content: string;
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error: undefined | Error;
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constructor(
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private readonly host: Tree,
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private readonly path: string,
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) {
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const buffer = this.host.read(this.path);
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if (buffer) {
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this.content = buffer.toString();
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} else {
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this.error = new Error(`Could not read ${path}.`);
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}
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}
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private _jsonAst: Node | undefined;
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private get JsonAst(): Node {
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if (this._jsonAst) {
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return this._jsonAst;
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}
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this._jsonAst = parseTree(this.content);
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return this._jsonAst;
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}
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get(jsonPath: JSONPath): unknown {
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if (jsonPath.length === 0) {
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return getNodeValue(this.JsonAst);
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}
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const node = findNodeAtLocation(this.JsonAst, jsonPath);
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return node === undefined ? undefined : getNodeValue(node);
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}
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modify(jsonPath: JSONPath, value: JsonValue | undefined, insertInOrder?: InsertionIndex | false): void {
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let getInsertionIndex: InsertionIndex | undefined;
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if (insertInOrder === undefined) {
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const property = jsonPath.slice(-1)[0];
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getInsertionIndex = properties => [...properties, property].sort().findIndex(p => p === property);
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} else if (insertInOrder !== false) {
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getInsertionIndex = insertInOrder;
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}
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const edits = modify(
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this.content,
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jsonPath,
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value,
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{
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getInsertionIndex,
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formattingOptions: {
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insertSpaces: true,
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tabSize: 2,
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},
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},
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);
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this.content = applyEdits(this.content, edits);
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this.host.overwrite(this.path, this.content);
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this._jsonAst = undefined;
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}
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remove(jsonPath: JSONPath): void {
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if (this.get(jsonPath) !== undefined) {
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this.modify(jsonPath, undefined);
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}
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}
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}
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