| 1 | "use strict";
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| 2 | /**
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| 3 | * @license
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| 4 | * Copyright Google LLC All Rights Reserved.
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| 5 | *
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| 6 | * Use of this source code is governed by an MIT-style license that can be
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| 7 | * found in the LICENSE file at https://angular.io/license
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| 8 | */
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| 9 | Object.defineProperty(exports, "__esModule", { value: true });
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| 10 | exports.JSONFile = void 0;
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| 11 | const jsonc_parser_1 = require("jsonc-parser");
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| 12 | /** @internal */
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| 13 | class JSONFile {
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| 14 | constructor(host, path) {
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| 15 | this.host = host;
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| 16 | this.path = path;
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| 17 | const buffer = this.host.read(this.path);
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| 18 | if (buffer) {
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| 19 | this.content = buffer.toString();
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| 20 | }
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| 21 | else {
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| 22 | throw new Error(`Could not read '${path}'.`);
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| 23 | }
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| 24 | }
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| 25 | get JsonAst() {
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| 26 | if (this._jsonAst) {
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| 27 | return this._jsonAst;
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| 28 | }
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| 29 | const errors = [];
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| 30 | this._jsonAst = jsonc_parser_1.parseTree(this.content, errors, { allowTrailingComma: true });
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| 31 | if (errors.length) {
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| 32 | const { error, offset } = errors[0];
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| 33 | throw new Error(`Failed to parse "${this.path}" as JSON AST Object. ${jsonc_parser_1.printParseErrorCode(error)} at location: ${offset}.`);
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| 34 | }
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| 35 | return this._jsonAst;
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| 36 | }
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| 37 | get(jsonPath) {
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| 38 | const jsonAstNode = this.JsonAst;
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| 39 | if (!jsonAstNode) {
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| 40 | return undefined;
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| 41 | }
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| 42 | if (jsonPath.length === 0) {
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| 43 | return jsonc_parser_1.getNodeValue(jsonAstNode);
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| 44 | }
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| 45 | const node = jsonc_parser_1.findNodeAtLocation(jsonAstNode, jsonPath);
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| 46 | return node === undefined ? undefined : jsonc_parser_1.getNodeValue(node);
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| 47 | }
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| 48 | modify(jsonPath, value, insertInOrder) {
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| 49 | let getInsertionIndex;
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| 50 | if (insertInOrder === undefined) {
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| 51 | const property = jsonPath.slice(-1)[0];
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| 52 | getInsertionIndex = (properties) => [...properties, property].sort().findIndex((p) => p === property);
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| 53 | }
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| 54 | else if (insertInOrder !== false) {
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| 55 | getInsertionIndex = insertInOrder;
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| 56 | }
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| 57 | const edits = jsonc_parser_1.modify(this.content, jsonPath, value, {
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| 58 | getInsertionIndex,
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| 59 | formattingOptions: {
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| 60 | insertSpaces: true,
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| 61 | tabSize: 2,
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| 62 | },
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| 63 | });
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| 64 | this.content = jsonc_parser_1.applyEdits(this.content, edits);
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| 65 | this.host.overwrite(this.path, this.content);
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| 66 | this._jsonAst = undefined;
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| 67 | }
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| 68 | remove(jsonPath) {
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| 69 | if (this.get(jsonPath) !== undefined) {
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| 70 | this.modify(jsonPath, undefined);
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| 71 | }
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| 72 | }
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| 73 | }
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| 74 | exports.JSONFile = JSONFile;
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