127 lines
4.6 KiB
JavaScript
127 lines
4.6 KiB
JavaScript
#!/usr/bin/env node
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/**
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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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/* tslint:disable:no-console */
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// Must be imported first, because angular2 decorators throws on load.
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import 'reflect-metadata';
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import * as path from 'path';
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import * as ts from 'typescript';
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import * as assert from 'assert';
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import {tsc} from '@angular/tsc-wrapped/src/tsc';
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import {AngularCompilerOptions, CodeGenerator, CompilerHostContext, NodeCompilerHostContext} from '@angular/compiler-cli';
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/**
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* Main method.
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* Standalone program that executes the real codegen and tests that
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* ngsummary.json files are used for libraries.
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*/
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function main() {
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console.log(`testing usage of ngsummary.json files in libraries...`);
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const basePath = path.resolve(__dirname, '..');
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const project = path.resolve(basePath, 'tsconfig-build.json');
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const readFiles: string[] = [];
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const writtenFiles: {fileName: string, content: string}[] = [];
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class AssertingHostContext extends NodeCompilerHostContext {
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readFile(fileName: string): string {
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if (/.*\/node_modules\/.*/.test(fileName) && !/.*ngsummary\.json$/.test(fileName) &&
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!/package\.json$/.test(fileName)) {
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// Only allow to read summaries and package.json files from node_modules
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return null;
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}
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readFiles.push(path.relative(basePath, fileName));
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return super.readFile(fileName);
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}
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readResource(s: string): Promise<string> {
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readFiles.push(path.relative(basePath, s));
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return super.readResource(s);
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}
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}
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const config = tsc.readConfiguration(project, basePath);
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config.ngOptions.basePath = basePath;
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// This flag tells ngc do not recompile libraries.
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config.ngOptions.generateCodeForLibraries = false;
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console.log(`>>> running codegen for ${project}`);
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codegen(
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config,
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(host) => {
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host.writeFile = (fileName: string, content: string) => {
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fileName = path.relative(basePath, fileName);
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writtenFiles.push({fileName, content});
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};
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return new AssertingHostContext();
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})
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.then((exitCode: any) => {
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console.log(`>>> codegen done, asserting read files`);
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assertSomeFileMatch(readFiles, /^node_modules\/.*\.ngsummary\.json$/);
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assertNoFileMatch(readFiles, /^node_modules\/.*\.metadata.json$/);
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assertNoFileMatch(readFiles, /^node_modules\/.*\.html$/);
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assertNoFileMatch(readFiles, /^node_modules\/.*\.css$/);
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assertNoFileMatch(readFiles, /^src\/.*\.ngsummary\.json$/);
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assertSomeFileMatch(readFiles, /^src\/.*\.html$/);
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assertSomeFileMatch(readFiles, /^src\/.*\.css$/);
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console.log(`>>> asserting written files`);
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assertWrittenFile(writtenFiles, /^src\/module\.ngfactory\.ts$/, /class MainModuleInjector/);
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console.log(`done, no errors.`);
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process.exit(exitCode);
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})
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.catch((e: any) => {
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console.error(e.stack);
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console.error('Compilation failed');
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process.exit(1);
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});
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}
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/**
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* Simple adaption of tsc-wrapped main to just run codegen with a CompilerHostContext
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*/
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function codegen(
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config: {parsed: ts.ParsedCommandLine, ngOptions: AngularCompilerOptions},
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hostContextFactory: (host: ts.CompilerHost) => CompilerHostContext) {
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const host = ts.createCompilerHost(config.parsed.options, true);
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// HACK: patch the realpath to solve symlink issue here:
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// https://github.com/Microsoft/TypeScript/issues/9552
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// todo(misko): remove once facade symlinks are removed
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host.realpath = (path) => path;
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const program = ts.createProgram(config.parsed.fileNames, config.parsed.options, host);
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return CodeGenerator.create(config.ngOptions, {
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} as any, program, host, hostContextFactory(host)).codegen();
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}
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function assertSomeFileMatch(fileNames: string[], pattern: RegExp) {
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assert(
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fileNames.some(fileName => pattern.test(fileName)),
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`Expected some read files match ${pattern}`);
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}
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function assertNoFileMatch(fileNames: string[], pattern: RegExp) {
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const matches = fileNames.filter(fileName => pattern.test(fileName));
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assert(
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matches.length === 0,
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`Expected no read files match ${pattern}, but found: \n${matches.join('\n')}`);
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}
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function assertWrittenFile(
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files: {fileName: string, content: string}[], filePattern: RegExp, contentPattern: RegExp) {
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assert(
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files.some(file => filePattern.test(file.fileName) && contentPattern.test(file.content)),
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`Expected some written files for ${filePattern} and content ${contentPattern}`);
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}
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main();
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