ce1d7c4a6e
* refactor(core): provide error message in stack for reflective DI Fixes #16355 * fix(compiler): make AOT work with `noUnusedParameters` Fixes #15532 * refactor: use view engine also for `NgModuleFactory`s This is a prerequisite for being able to mock providers in AOTed code later on.
652 lines
21 KiB
TypeScript
652 lines
21 KiB
TypeScript
/**
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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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import {AotCompilerHost, AotCompilerOptions, GeneratedFile, createAotCompiler} from '@angular/compiler';
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import {ɵReflectionCapabilities as ReflectionCapabilities, ɵreflector as reflector} from '@angular/core';
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import {MetadataBundlerHost, MetadataCollector, ModuleMetadata} from '@angular/tsc-wrapped';
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import * as fs from 'fs';
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import * as path from 'path';
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import * as ts from 'typescript';
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let nodeModulesPath: string;
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let angularSourcePath: string;
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let rootPath: string;
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calcPathsOnDisc();
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export type MockFileOrDirectory = string | MockDirectory;
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export type MockDirectory = {
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[name: string]: MockFileOrDirectory | undefined;
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};
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export function isDirectory(data: MockFileOrDirectory | undefined): data is MockDirectory {
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return typeof data !== 'string';
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}
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const NODE_MODULES = '/node_modules/';
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const IS_GENERATED = /\.(ngfactory|ngstyle)$/;
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const angularts = /@angular\/(\w|\/|-)+\.tsx?$/;
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const rxjs = /\/rxjs\//;
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const tsxfile = /\.tsx$/;
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export const settings: ts.CompilerOptions = {
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target: ts.ScriptTarget.ES5,
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declaration: true,
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module: ts.ModuleKind.CommonJS,
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moduleResolution: ts.ModuleResolutionKind.NodeJs,
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emitDecoratorMetadata: true,
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experimentalDecorators: true,
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removeComments: false,
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noImplicitAny: false,
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skipLibCheck: true,
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strictNullChecks: true,
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lib: ['lib.es2015.d.ts', 'lib.dom.d.ts'],
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types: []
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};
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export interface EmitterOptions {
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emitMetadata: boolean;
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mockData?: MockDirectory;
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}
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function calcPathsOnDisc() {
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const moduleFilename = module.filename.replace(/\\/g, '/');
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const distIndex = moduleFilename.indexOf('/dist/all');
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if (distIndex >= 0) {
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rootPath = moduleFilename.substr(0, distIndex);
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nodeModulesPath = path.join(rootPath, 'node_modules');
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angularSourcePath = path.join(rootPath, 'packages');
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}
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}
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export class EmittingCompilerHost implements ts.CompilerHost {
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private addedFiles = new Map<string, string>();
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private writtenFiles = new Map<string, string>();
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private scriptNames: string[];
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private root = '/';
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private collector = new MetadataCollector();
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constructor(scriptNames: string[], private options: EmitterOptions) {
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// Rewrite references to scripts with '@angular' to its corresponding location in
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// the source tree.
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this.scriptNames = scriptNames.map(f => this.effectiveName(f));
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this.root = rootPath;
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}
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public writtenAngularFiles(target = new Map<string, string>()): Map<string, string> {
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this.written.forEach((value, key) => {
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const path = `/node_modules/@angular${key.substring(angularSourcePath.length)}`;
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target.set(path, value);
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});
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return target;
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}
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public addScript(fileName: string, content: string) {
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const scriptName = this.effectiveName(fileName);
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this.addedFiles.set(scriptName, content);
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this.scriptNames.push(scriptName);
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}
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public override(fileName: string, content: string) {
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const scriptName = this.effectiveName(fileName);
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this.addedFiles.set(scriptName, content);
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}
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public addWrittenFile(fileName: string, content: string) {
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this.writtenFiles.set(this.effectiveName(fileName), content);
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}
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public getWrittenFiles(): {name: string, content: string}[] {
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return Array.from(this.writtenFiles).map(f => ({name: f[0], content: f[1]}));
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}
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public get scripts(): string[] { return this.scriptNames; }
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public get written(): Map<string, string> { return this.writtenFiles; }
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public effectiveName(fileName: string): string {
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const prefix = '@angular/';
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return fileName.startsWith('@angular/') ?
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path.join(angularSourcePath, fileName.substr(prefix.length)) :
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fileName;
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}
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// ts.ModuleResolutionHost
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fileExists(fileName: string): boolean {
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return this.addedFiles.has(fileName) || open(fileName, this.options.mockData) != null ||
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fs.existsSync(fileName);
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}
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readFile(fileName: string): string {
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const result = this.addedFiles.get(fileName) || open(fileName, this.options.mockData);
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if (result) return result;
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let basename = path.basename(fileName);
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if (/^lib.*\.d\.ts$/.test(basename)) {
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let libPath = ts.getDefaultLibFilePath(settings);
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return fs.readFileSync(path.join(path.dirname(libPath), basename), 'utf8');
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}
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return fs.readFileSync(fileName, 'utf8');
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}
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directoryExists(directoryName: string): boolean {
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return directoryExists(directoryName, this.options.mockData) ||
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(fs.existsSync(directoryName) && fs.statSync(directoryName).isDirectory());
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}
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getCurrentDirectory(): string { return this.root; }
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getDirectories(dir: string): string[] {
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const result = open(dir, this.options.mockData);
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if (result && typeof result !== 'string') {
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return Object.keys(result);
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}
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return fs.readdirSync(dir).filter(p => {
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const name = path.join(dir, p);
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const stat = fs.statSync(name);
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return stat && stat.isDirectory();
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});
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}
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// ts.CompilerHost
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getSourceFile(
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fileName: string, languageVersion: ts.ScriptTarget,
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onError?: (message: string) => void): ts.SourceFile {
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const content = this.readFile(fileName);
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if (content) {
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return ts.createSourceFile(fileName, content, languageVersion, /* setParentNodes */ true);
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}
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throw new Error(`File not found '${fileName}'.`);
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}
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getDefaultLibFileName(options: ts.CompilerOptions): string { return 'lib.d.ts'; }
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writeFile: ts.WriteFileCallback =
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(fileName: string, data: string, writeByteOrderMark: boolean,
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onError?: (message: string) => void, sourceFiles?: ts.SourceFile[]) => {
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this.addWrittenFile(fileName, data);
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if (this.options.emitMetadata && sourceFiles && sourceFiles.length && DTS.test(fileName)) {
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const metadataFilePath = fileName.replace(DTS, '.metadata.json');
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const metadata = this.collector.getMetadata(sourceFiles[0]);
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if (metadata) {
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this.addWrittenFile(metadataFilePath, JSON.stringify(metadata));
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}
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}
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}
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getCanonicalFileName(fileName: string): string {
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return fileName;
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}
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useCaseSensitiveFileNames(): boolean { return false; }
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getNewLine(): string { return '\n'; }
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}
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export class MockCompilerHost implements ts.CompilerHost {
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scriptNames: string[];
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public overrides = new Map<string, string>();
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public writtenFiles = new Map<string, string>();
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private sourceFiles = new Map<string, ts.SourceFile>();
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private assumeExists = new Set<string>();
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private traces: string[] = [];
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constructor(scriptNames: string[], private data: MockDirectory) {
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this.scriptNames = scriptNames.slice(0);
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}
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// Test API
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override(fileName: string, content: string) {
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if (content) {
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this.overrides.set(fileName, content);
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} else {
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this.overrides.delete(fileName);
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}
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this.sourceFiles.delete(fileName);
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}
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addScript(fileName: string, content: string) {
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this.overrides.set(fileName, content);
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this.scriptNames.push(fileName);
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this.sourceFiles.delete(fileName);
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}
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assumeFileExists(fileName: string) { this.assumeExists.add(fileName); }
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remove(files: string[]) {
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// Remove the files from the list of scripts.
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const fileSet = new Set(files);
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this.scriptNames = this.scriptNames.filter(f => fileSet.has(f));
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// Remove files from written files
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files.forEach(f => this.writtenFiles.delete(f));
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}
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// ts.ModuleResolutionHost
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fileExists(fileName: string): boolean {
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if (this.overrides.has(fileName) || this.writtenFiles.has(fileName) ||
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this.assumeExists.has(fileName)) {
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return true;
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}
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const effectiveName = this.getEffectiveName(fileName);
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if (effectiveName == fileName) {
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let result = open(fileName, this.data) != null;
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return result;
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} else {
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if (fileName.match(rxjs)) {
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let result = fs.existsSync(effectiveName);
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return result;
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}
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return false;
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}
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}
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readFile(fileName: string): string { return this.getFileContent(fileName) !; }
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trace(s: string): void { this.traces.push(s); }
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getCurrentDirectory(): string { return '/'; }
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getDirectories(dir: string): string[] {
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const effectiveName = this.getEffectiveName(dir);
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if (effectiveName === dir) {
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const data = find(dir, this.data);
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if (isDirectory(data)) {
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return Object.keys(data).filter(k => isDirectory(data[k]));
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}
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}
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return [];
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}
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// ts.CompilerHost
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getSourceFile(
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fileName: string, languageVersion: ts.ScriptTarget,
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onError?: (message: string) => void): ts.SourceFile {
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let result = this.sourceFiles.get(fileName);
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if (!result) {
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const content = this.getFileContent(fileName);
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if (content) {
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result = ts.createSourceFile(fileName, content, languageVersion);
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this.sourceFiles.set(fileName, result);
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}
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}
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return result !;
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}
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getDefaultLibFileName(options: ts.CompilerOptions): string { return 'lib.d.ts'; }
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writeFile: ts.WriteFileCallback =
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(fileName: string, data: string, writeByteOrderMark: boolean) => {
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this.writtenFiles.set(fileName, data);
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this.sourceFiles.delete(fileName);
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}
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getCanonicalFileName(fileName: string): string {
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return fileName;
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}
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useCaseSensitiveFileNames(): boolean { return false; }
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getNewLine(): string { return '\n'; }
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// Private methods
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private getFileContent(fileName: string): string|undefined {
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if (this.overrides.has(fileName)) {
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return this.overrides.get(fileName);
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}
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if (this.writtenFiles.has(fileName)) {
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return this.writtenFiles.get(fileName);
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}
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let basename = path.basename(fileName);
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if (/^lib.*\.d\.ts$/.test(basename)) {
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let libPath = ts.getDefaultLibFilePath(settings);
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return fs.readFileSync(path.join(path.dirname(libPath), basename), 'utf8');
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} else {
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let effectiveName = this.getEffectiveName(fileName);
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if (effectiveName === fileName) {
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const result = open(fileName, this.data);
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return result;
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} else {
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if (fileName.match(rxjs)) {
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if (fs.existsSync(fileName)) {
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return fs.readFileSync(fileName, 'utf8');
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}
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}
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}
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}
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}
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private getEffectiveName(name: string): string {
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const node_modules = 'node_modules';
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const rxjs = '/rxjs';
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if (name.startsWith('/' + node_modules)) {
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if (nodeModulesPath && name.startsWith('/' + node_modules + rxjs)) {
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return path.join(nodeModulesPath, name.substr(node_modules.length + 1));
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}
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}
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return name;
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}
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}
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const EXT = /(\.ts|\.d\.ts|\.js|\.jsx|\.tsx)$/;
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const DTS = /\.d\.ts$/;
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const GENERATED_FILES = /\.ngfactory\.ts$|\.ngstyle\.ts$/;
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export class MockAotCompilerHost implements AotCompilerHost {
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private metadataCollector = new MetadataCollector();
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private metadataVisible: boolean = true;
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private dtsAreSource: boolean = true;
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constructor(private tsHost: MockCompilerHost) {}
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hideMetadata() { this.metadataVisible = false; }
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tsFilesOnly() { this.dtsAreSource = false; }
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// StaticSymbolResolverHost
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getMetadataFor(modulePath: string): {[key: string]: any}[]|undefined {
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if (!this.tsHost.fileExists(modulePath)) {
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return undefined;
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}
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if (DTS.test(modulePath)) {
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if (this.metadataVisible) {
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const metadataPath = modulePath.replace(DTS, '.metadata.json');
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if (this.tsHost.fileExists(metadataPath)) {
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let result = JSON.parse(this.tsHost.readFile(metadataPath));
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return Array.isArray(result) ? result : [result];
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}
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}
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} else {
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const sf = this.tsHost.getSourceFile(modulePath, ts.ScriptTarget.Latest);
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const metadata = this.metadataCollector.getMetadata(sf);
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return metadata ? [metadata] : [];
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}
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return undefined;
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}
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moduleNameToFileName(moduleName: string, containingFile: string): string|null {
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if (!containingFile || !containingFile.length) {
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if (moduleName.indexOf('.') === 0) {
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throw new Error('Resolution of relative paths requires a containing file.');
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}
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// Any containing file gives the same result for absolute imports
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containingFile = path.join('/', 'index.ts');
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}
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moduleName = moduleName.replace(EXT, '');
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const resolved = ts.resolveModuleName(
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moduleName, containingFile.replace(/\\/g, '/'),
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{baseDir: '/', genDir: '/'}, this.tsHost)
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.resolvedModule;
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return resolved ? resolved.resolvedFileName : null;
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}
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// AotSummaryResolverHost
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loadSummary(filePath: string): string|null { return this.tsHost.readFile(filePath); }
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isSourceFile(sourceFilePath: string): boolean {
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return !GENERATED_FILES.test(sourceFilePath) &&
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(this.dtsAreSource || !DTS.test(sourceFilePath));
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}
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getOutputFileName(sourceFilePath: string): string {
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return sourceFilePath.replace(EXT, '') + '.d.ts';
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}
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// AotCompilerHost
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fileNameToModuleName(importedFile: string, containingFile: string): string|null {
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return importedFile.replace(EXT, '');
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}
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loadResource(path: string): Promise<string> {
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if (this.tsHost.fileExists(path)) {
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return Promise.resolve(this.tsHost.readFile(path));
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} else {
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return Promise.reject(new Error(`Resource ${path} not found.`))
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}
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}
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}
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export class MockMetadataBundlerHost implements MetadataBundlerHost {
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private collector = new MetadataCollector();
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constructor(private host: ts.CompilerHost) {}
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getMetadataFor(moduleName: string): ModuleMetadata {
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const source = this.host.getSourceFile(moduleName + '.ts', ts.ScriptTarget.Latest);
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return this.collector.getMetadata(source);
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}
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}
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function find(fileName: string, data: MockFileOrDirectory | undefined): MockFileOrDirectory|
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undefined {
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if (!data) return undefined;
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let names = fileName.split('/');
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if (names.length && !names[0].length) names.shift();
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let current: MockFileOrDirectory|undefined = data;
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for (let name of names) {
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if (typeof current === 'string')
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return undefined;
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else
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current = (<MockDirectory>current)[name];
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if (!current) return undefined;
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}
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return current;
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}
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function open(fileName: string, data: MockFileOrDirectory | undefined): string|undefined {
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let result = find(fileName, data);
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if (typeof result === 'string') {
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return result;
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}
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return undefined;
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}
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function directoryExists(dirname: string, data: MockFileOrDirectory | undefined): boolean {
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let result = find(dirname, data);
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return !!result && typeof result !== 'string';
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}
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export type MockFileArray = {
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fileName: string,
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content: string
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}[];
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export type MockData = MockDirectory | Map<string, string>| (MockDirectory | Map<string, string>)[];
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export function toMockFileArray(data: MockData, target: MockFileArray = []): MockFileArray {
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if (data instanceof Map) {
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mapToMockFileArray(data, target);
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} else if (Array.isArray(data)) {
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data.forEach(entry => toMockFileArray(entry, target));
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} else {
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mockDirToFileArray(data, '', target);
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}
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return target;
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}
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function mockDirToFileArray(dir: MockDirectory, path: string, target: MockFileArray) {
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Object.keys(dir).forEach((localFileName) => {
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const value = dir[localFileName] !;
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const fileName = `${path}/${localFileName}`;
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if (typeof value === 'string') {
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target.push({fileName, content: value});
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} else {
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mockDirToFileArray(value, fileName, target);
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}
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});
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}
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function mapToMockFileArray(files: Map<string, string>, target: MockFileArray) {
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files.forEach((content, fileName) => { target.push({fileName, content}); });
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}
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export function arrayToMockMap(arr: MockFileArray): Map<string, string> {
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const map = new Map<string, string>();
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arr.forEach(({fileName, content}) => { map.set(fileName, content); });
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return map;
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}
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export function arrayToMockDir(arr: MockFileArray): MockDirectory {
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const rootDir: MockDirectory = {};
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arr.forEach(({fileName, content}) => {
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let pathParts = fileName.split('/');
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// trim trailing slash
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let startIndex = pathParts[0] ? 0 : 1;
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// get/create the directory
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let currentDir = rootDir;
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for (let i = startIndex; i < pathParts.length - 1; i++) {
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const pathPart = pathParts[i];
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let localDir = <MockDirectory>currentDir[pathPart];
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if (!localDir) {
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currentDir[pathPart] = localDir = {};
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}
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currentDir = localDir;
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}
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// write the file
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currentDir[pathParts[pathParts.length - 1]] = content;
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});
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return rootDir;
|
|
}
|
|
|
|
const minCoreIndex = `
|
|
export * from './src/application_module';
|
|
export * from './src/change_detection';
|
|
export * from './src/metadata';
|
|
export * from './src/di/metadata';
|
|
export * from './src/di/injector';
|
|
export * from './src/di/injection_token';
|
|
export * from './src/linker';
|
|
export * from './src/render';
|
|
export * from './src/codegen_private_exports';
|
|
`;
|
|
|
|
export function setup(options: {compileAngular: boolean} = {
|
|
compileAngular: true
|
|
}) {
|
|
let angularFiles = new Map<string, string>();
|
|
|
|
beforeAll(() => {
|
|
if (options.compileAngular) {
|
|
const emittingHost = new EmittingCompilerHost([], {emitMetadata: true});
|
|
emittingHost.addScript('@angular/core/index.ts', minCoreIndex);
|
|
const emittingProgram = ts.createProgram(emittingHost.scripts, settings, emittingHost);
|
|
emittingProgram.emit();
|
|
emittingHost.writtenAngularFiles(angularFiles);
|
|
}
|
|
});
|
|
// Restore reflector since AoT compiler will update it with a new static reflector
|
|
afterEach(() => { reflector.updateCapabilities(new ReflectionCapabilities()); });
|
|
|
|
return angularFiles;
|
|
}
|
|
|
|
export function expectNoDiagnostics(program: ts.Program) {
|
|
function fileInfo(diagnostic: ts.Diagnostic): string {
|
|
if (diagnostic.file) {
|
|
return `${diagnostic.file.fileName}(${diagnostic.start}): `;
|
|
}
|
|
return '';
|
|
}
|
|
|
|
function chars(len: number, ch: string): string { return new Array(len).fill(ch).join(''); }
|
|
|
|
function lineNoOf(offset: number, text: string): number {
|
|
let result = 1;
|
|
for (let i = 0; i < offset; i++) {
|
|
if (text[i] == '\n') result++;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function lineInfo(diagnostic: ts.Diagnostic): string {
|
|
if (diagnostic.file) {
|
|
const start = diagnostic.start;
|
|
let end = diagnostic.start + diagnostic.length;
|
|
const source = diagnostic.file.text;
|
|
let lineStart = start;
|
|
let lineEnd = end;
|
|
while (lineStart > 0 && source[lineStart] != '\n') lineStart--;
|
|
if (lineStart < start) lineStart++;
|
|
while (lineEnd < source.length && source[lineEnd] != '\n') lineEnd++;
|
|
let line = source.substring(lineStart, lineEnd);
|
|
const lineIndex = line.indexOf('/n');
|
|
if (lineIndex > 0) {
|
|
line = line.substr(0, lineIndex);
|
|
end = start + lineIndex;
|
|
}
|
|
const lineNo = lineNoOf(start, source) + ': ';
|
|
return '\n' + lineNo + line + '\n' + chars(start - lineStart + lineNo.length, ' ') +
|
|
chars(end - start, '^');
|
|
}
|
|
return '';
|
|
}
|
|
|
|
function expectNoDiagnostics(diagnostics: ts.Diagnostic[]) {
|
|
if (diagnostics && diagnostics.length) {
|
|
throw new Error(
|
|
'Errors from TypeScript:\n' +
|
|
diagnostics.map(d => `${fileInfo(d)}${d.messageText}${lineInfo(d)}`).join(' \n'));
|
|
}
|
|
}
|
|
expectNoDiagnostics(program.getOptionsDiagnostics());
|
|
expectNoDiagnostics(program.getSyntacticDiagnostics());
|
|
expectNoDiagnostics(program.getSemanticDiagnostics());
|
|
}
|
|
|
|
function isSource(fileName: string): boolean {
|
|
return !/\.d\.ts$/.test(fileName) && /\.ts$/.test(fileName);
|
|
}
|
|
|
|
export function compile(
|
|
rootDirs: MockData, options: {
|
|
emit?: boolean,
|
|
useSummaries?: boolean,
|
|
preCompile?: (program: ts.Program) => void,
|
|
postCompile?: (program: ts.Program) => void,
|
|
}& AotCompilerOptions = {},
|
|
tsOptions: ts.CompilerOptions = {}):
|
|
Promise<{genFiles: GeneratedFile[], outDir: MockDirectory}> {
|
|
// Make sure we always return errors via the promise...
|
|
return Promise.resolve(null).then(() => {
|
|
// when using summaries, always emit so the next step can use the results.
|
|
const emit = options.emit || options.useSummaries;
|
|
const preCompile = options.preCompile || expectNoDiagnostics;
|
|
const postCompile = options.postCompile || expectNoDiagnostics;
|
|
const rootDirArr = toMockFileArray(rootDirs);
|
|
const scriptNames = rootDirArr.map(entry => entry.fileName).filter(isSource);
|
|
|
|
const host = new MockCompilerHost(scriptNames, arrayToMockDir(rootDirArr));
|
|
const aotHost = new MockAotCompilerHost(host);
|
|
if (options.useSummaries) {
|
|
aotHost.hideMetadata();
|
|
aotHost.tsFilesOnly();
|
|
}
|
|
const tsSettings = {...settings, ...tsOptions};
|
|
const scripts = host.scriptNames.slice(0);
|
|
const program = ts.createProgram(scripts, tsSettings, host);
|
|
if (preCompile) preCompile(program);
|
|
const {compiler, reflector} = createAotCompiler(aotHost, options);
|
|
return compiler.compileAll(program.getSourceFiles().map(sf => sf.fileName)).then(genFiles => {
|
|
genFiles.forEach(
|
|
file => isSource(file.genFileUrl) ? host.addScript(file.genFileUrl, file.source) :
|
|
host.override(file.genFileUrl, file.source));
|
|
const scripts = host.scriptNames.slice(0);
|
|
const newProgram = ts.createProgram(scripts, tsSettings, host);
|
|
if (postCompile) postCompile(newProgram);
|
|
if (emit) {
|
|
newProgram.emit();
|
|
}
|
|
let outDir: MockDirectory = {};
|
|
if (emit) {
|
|
outDir = arrayToMockDir(toMockFileArray([
|
|
host.writtenFiles, host.overrides
|
|
]).filter((entry) => !isSource(entry.fileName)));
|
|
}
|
|
return {genFiles, outDir};
|
|
});
|
|
});
|
|
}
|