77 lines
2.5 KiB
JavaScript
77 lines
2.5 KiB
JavaScript
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"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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Object.defineProperty(exports, "__esModule", { value: true });
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exports.JSONFile = void 0;
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const jsonc_parser_1 = require("jsonc-parser");
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const eol_1 = require("./eol");
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/** @private */
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class JSONFile {
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host;
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path;
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content;
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eol;
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constructor(host, path) {
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this.host = host;
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this.path = path;
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this.content = this.host.readText(this.path);
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this.eol = (0, eol_1.getEOL)(this.content);
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}
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_jsonAst;
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get JsonAst() {
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if (this._jsonAst) {
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return this._jsonAst;
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}
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const errors = [];
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this._jsonAst = (0, jsonc_parser_1.parseTree)(this.content, errors, { allowTrailingComma: true });
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if (errors.length) {
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const { error, offset } = errors[0];
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throw new Error(`Failed to parse "${this.path}" as JSON AST Object. ${(0, jsonc_parser_1.printParseErrorCode)(error)} at location: ${offset}.`);
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}
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return this._jsonAst;
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}
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get(jsonPath) {
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const jsonAstNode = this.JsonAst;
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if (!jsonAstNode) {
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return undefined;
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}
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if (jsonPath.length === 0) {
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return (0, jsonc_parser_1.getNodeValue)(jsonAstNode);
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}
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const node = (0, jsonc_parser_1.findNodeAtLocation)(jsonAstNode, jsonPath);
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return node === undefined ? undefined : (0, jsonc_parser_1.getNodeValue)(node);
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}
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modify(jsonPath, value, insertInOrder) {
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let getInsertionIndex;
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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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}
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else if (insertInOrder !== false) {
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getInsertionIndex = insertInOrder;
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}
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const edits = (0, jsonc_parser_1.modify)(this.content, jsonPath, value, {
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getInsertionIndex,
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formattingOptions: {
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eol: this.eol,
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insertSpaces: true,
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tabSize: 2,
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},
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});
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this.content = (0, jsonc_parser_1.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) {
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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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exports.JSONFile = JSONFile;
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