@ngtools/webpack
Version:
Webpack plugin that AoT compiles your Angular components and modules.
110 lines • 12.4 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.transformTypescript = exports.createTypescriptContext = void 0;
const path_1 = require("path");
const ts = __importStar(require("typescript"));
// Test transform helpers.
const basefileName = 'test-file.ts';
function createTypescriptContext(content, additionalFiles, useLibs = false, extraCompilerOptions = {}, jsxFile = false) {
const fileName = basefileName + (jsxFile ? 'x' : '');
// Set compiler options.
const compilerOptions = {
noEmitOnError: useLibs,
allowJs: true,
newLine: ts.NewLineKind.LineFeed,
moduleResolution: ts.ModuleResolutionKind.NodeJs,
module: ts.ModuleKind.ES2020,
target: ts.ScriptTarget.ES2020,
skipLibCheck: true,
sourceMap: false,
importHelpers: true,
experimentalDecorators: true,
types: [],
...extraCompilerOptions,
};
// Create compiler host.
const compilerHost = ts.createCompilerHost(compilerOptions, true);
const baseFileExists = compilerHost.fileExists;
compilerHost.fileExists = function (compilerFileName) {
return (compilerFileName === fileName ||
!!(additionalFiles === null || additionalFiles === void 0 ? void 0 : additionalFiles[(0, path_1.basename)(compilerFileName)]) ||
baseFileExists(compilerFileName));
};
const baseReadFile = compilerHost.readFile;
compilerHost.readFile = function (compilerFileName) {
if (compilerFileName === fileName) {
return content;
}
else if (additionalFiles === null || additionalFiles === void 0 ? void 0 : additionalFiles[(0, path_1.basename)(compilerFileName)]) {
return additionalFiles[(0, path_1.basename)(compilerFileName)];
}
else {
return baseReadFile(compilerFileName);
}
};
// Create the TypeScript program.
const program = ts.createProgram([fileName], compilerOptions, compilerHost);
return { compilerHost, program };
}
exports.createTypescriptContext = createTypescriptContext;
function transformTypescript(content, transformers, program, compilerHost) {
// Use given context or create a new one.
if (content !== undefined) {
const typescriptContext = createTypescriptContext(content);
if (!program) {
program = typescriptContext.program;
}
if (!compilerHost) {
compilerHost = typescriptContext.compilerHost;
}
}
else if (!program || !compilerHost) {
throw new Error('transformTypescript needs either `content` or a `program` and `compilerHost');
}
const outputFileName = basefileName.replace(/\.tsx?$/, '.js');
let outputContent;
// Emit.
const { emitSkipped, diagnostics } = program.emit(undefined, (filename, data) => {
if (filename === outputFileName) {
outputContent = data;
}
}, undefined, undefined, { before: transformers });
// Throw error with diagnostics if emit wasn't successfull.
if (emitSkipped) {
throw new Error(ts.formatDiagnostics(diagnostics, compilerHost));
}
// Return the transpiled js.
return outputContent;
}
exports.transformTypescript = transformTypescript;
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