[6a3a178] | 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 | var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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| 10 | if (k2 === undefined) k2 = k;
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| 11 | Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
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| 12 | }) : (function(o, m, k, k2) {
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| 13 | if (k2 === undefined) k2 = k;
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| 14 | o[k2] = m[k];
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| 15 | }));
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| 16 | var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
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| 17 | Object.defineProperty(o, "default", { enumerable: true, value: v });
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| 18 | }) : function(o, v) {
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| 19 | o["default"] = v;
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| 20 | });
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| 21 | var __importStar = (this && this.__importStar) || function (mod) {
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| 22 | if (mod && mod.__esModule) return mod;
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| 23 | var result = {};
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| 24 | 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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| 25 | __setModuleDefault(result, mod);
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| 26 | return result;
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| 27 | };
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| 28 | Object.defineProperty(exports, "__esModule", { value: true });
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| 29 | exports.transformTypescript = exports.createTypescriptContext = void 0;
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| 30 | const path_1 = require("path");
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| 31 | const ts = __importStar(require("typescript"));
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| 32 | // Test transform helpers.
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| 33 | const basefileName = 'test-file.ts';
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| 34 | function createTypescriptContext(content, additionalFiles, useLibs = false, extraCompilerOptions = {}, jsxFile = false) {
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| 35 | const fileName = basefileName + (jsxFile ? 'x' : '');
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| 36 | // Set compiler options.
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| 37 | const compilerOptions = {
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| 38 | noEmitOnError: useLibs,
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| 39 | allowJs: true,
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| 40 | newLine: ts.NewLineKind.LineFeed,
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| 41 | moduleResolution: ts.ModuleResolutionKind.NodeJs,
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| 42 | module: ts.ModuleKind.ES2020,
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| 43 | target: ts.ScriptTarget.ES2020,
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| 44 | skipLibCheck: true,
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| 45 | sourceMap: false,
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| 46 | importHelpers: true,
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| 47 | experimentalDecorators: true,
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| 48 | types: [],
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| 49 | ...extraCompilerOptions,
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| 50 | };
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| 51 | // Create compiler host.
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| 52 | const compilerHost = ts.createCompilerHost(compilerOptions, true);
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| 53 | const baseFileExists = compilerHost.fileExists;
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| 54 | compilerHost.fileExists = function (compilerFileName) {
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| 55 | return (compilerFileName === fileName ||
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| 56 | !!(additionalFiles === null || additionalFiles === void 0 ? void 0 : additionalFiles[path_1.basename(compilerFileName)]) ||
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| 57 | baseFileExists(compilerFileName));
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| 58 | };
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| 59 | const baseReadFile = compilerHost.readFile;
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| 60 | compilerHost.readFile = function (compilerFileName) {
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| 61 | if (compilerFileName === fileName) {
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| 62 | return content;
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| 63 | }
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| 64 | else if (additionalFiles === null || additionalFiles === void 0 ? void 0 : additionalFiles[path_1.basename(compilerFileName)]) {
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| 65 | return additionalFiles[path_1.basename(compilerFileName)];
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| 66 | }
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| 67 | else {
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| 68 | return baseReadFile(compilerFileName);
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| 69 | }
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| 70 | };
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| 71 | // Create the TypeScript program.
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| 72 | const program = ts.createProgram([fileName], compilerOptions, compilerHost);
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| 73 | return { compilerHost, program };
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| 74 | }
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| 75 | exports.createTypescriptContext = createTypescriptContext;
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| 76 | function transformTypescript(content, transformers, program, compilerHost) {
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| 77 | // Use given context or create a new one.
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| 78 | if (content !== undefined) {
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| 79 | const typescriptContext = createTypescriptContext(content);
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| 80 | if (!program) {
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| 81 | program = typescriptContext.program;
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| 82 | }
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| 83 | if (!compilerHost) {
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| 84 | compilerHost = typescriptContext.compilerHost;
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| 85 | }
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| 86 | }
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| 87 | else if (!program || !compilerHost) {
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| 88 | throw new Error('transformTypescript needs either `content` or a `program` and `compilerHost');
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| 89 | }
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| 90 | const outputFileName = basefileName.replace(/\.tsx?$/, '.js');
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| 91 | let outputContent;
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| 92 | // Emit.
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| 93 | const { emitSkipped, diagnostics } = program.emit(undefined, (filename, data) => {
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| 94 | if (filename === outputFileName) {
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| 95 | outputContent = data;
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| 96 | }
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| 97 | }, undefined, undefined, { before: transformers });
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| 98 | // Throw error with diagnostics if emit wasn't successfull.
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| 99 | if (emitSkipped) {
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| 100 | throw new Error(ts.formatDiagnostics(diagnostics, compilerHost));
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| 101 | }
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| 102 | // Return the transpiled js.
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| 103 | return outputContent;
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| 104 | }
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| 105 | exports.transformTypescript = transformTypescript;
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