01f711281c
This is important to not confuse users nor downstream tools that consume our source maps. For generated content for which we don’t have an original source file, we use the generated file now. Fixes #19538
739 lines
32 KiB
TypeScript
739 lines
32 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 {CompileDirectiveMetadata, CompileDirectiveSummary, CompileIdentifierMetadata, CompileNgModuleMetadata, CompileNgModuleSummary, CompilePipeMetadata, CompilePipeSummary, CompileProviderMetadata, CompileStylesheetMetadata, CompileSummaryKind, CompileTypeMetadata, CompileTypeSummary, componentFactoryName, flatten, identifierName, templateSourceUrl} from '../compile_metadata';
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import {CompilerConfig} from '../config';
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import {ViewEncapsulation} from '../core';
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import {MessageBundle} from '../i18n/message_bundle';
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import {Identifiers, createTokenForExternalReference} from '../identifiers';
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import {CompileMetadataResolver} from '../metadata_resolver';
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import {HtmlParser} from '../ml_parser/html_parser';
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import {InterpolationConfig} from '../ml_parser/interpolation_config';
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import {NgModuleCompiler} from '../ng_module_compiler';
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import {OutputEmitter} from '../output/abstract_emitter';
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import * as o from '../output/output_ast';
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import {ParseError} from '../parse_util';
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import {CompiledStylesheet, StyleCompiler} from '../style_compiler';
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import {SummaryResolver} from '../summary_resolver';
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import {TemplateAst} from '../template_parser/template_ast';
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import {TemplateParser} from '../template_parser/template_parser';
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import {OutputContext, ValueVisitor, syntaxError, visitValue} from '../util';
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import {TypeCheckCompiler} from '../view_compiler/type_check_compiler';
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import {ViewCompileResult, ViewCompiler} from '../view_compiler/view_compiler';
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import {AotCompilerHost} from './compiler_host';
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import {AotCompilerOptions} from './compiler_options';
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import {GeneratedFile} from './generated_file';
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import {StaticReflector} from './static_reflector';
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import {StaticSymbol} from './static_symbol';
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import {ResolvedStaticSymbol, StaticSymbolResolver} from './static_symbol_resolver';
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import {createForJitStub, serializeSummaries} from './summary_serializer';
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import {ngfactoryFilePath, splitTypescriptSuffix, summaryFileName, summaryForJitFileName, summaryForJitName} from './util';
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enum StubEmitFlags {
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Basic = 1 << 0,
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TypeCheck = 1 << 1,
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All = TypeCheck | Basic
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}
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export class AotCompiler {
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private _templateAstCache =
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new Map<StaticSymbol, {template: TemplateAst[], pipes: CompilePipeSummary[]}>();
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private _analyzedFiles = new Map<string, NgAnalyzedFile>();
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constructor(
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private _config: CompilerConfig, private _options: AotCompilerOptions,
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private _host: AotCompilerHost, private _reflector: StaticReflector,
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private _metadataResolver: CompileMetadataResolver, private _templateParser: TemplateParser,
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private _styleCompiler: StyleCompiler, private _viewCompiler: ViewCompiler,
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private _typeCheckCompiler: TypeCheckCompiler, private _ngModuleCompiler: NgModuleCompiler,
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private _outputEmitter: OutputEmitter,
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private _summaryResolver: SummaryResolver<StaticSymbol>,
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private _symbolResolver: StaticSymbolResolver) {}
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clearCache() { this._metadataResolver.clearCache(); }
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analyzeModulesSync(rootFiles: string[]): NgAnalyzedModules {
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const analyzeResult = analyzeAndValidateNgModules(
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rootFiles, this._host, this._symbolResolver, this._metadataResolver);
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analyzeResult.ngModules.forEach(
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ngModule => this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(
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ngModule.type.reference, true));
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return analyzeResult;
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}
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analyzeModulesAsync(rootFiles: string[]): Promise<NgAnalyzedModules> {
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const analyzeResult = analyzeAndValidateNgModules(
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rootFiles, this._host, this._symbolResolver, this._metadataResolver);
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return Promise
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.all(analyzeResult.ngModules.map(
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ngModule => this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(
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ngModule.type.reference, false)))
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.then(() => analyzeResult);
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}
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private _analyzeFile(fileName: string): NgAnalyzedFile {
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let analyzedFile = this._analyzedFiles.get(fileName);
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if (!analyzedFile) {
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analyzedFile =
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analyzeFile(this._host, this._symbolResolver, this._metadataResolver, fileName);
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this._analyzedFiles.set(fileName, analyzedFile);
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}
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return analyzedFile;
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}
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findGeneratedFileNames(fileName: string): string[] {
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const genFileNames: string[] = [];
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const file = this._analyzeFile(fileName);
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// Make sure we create a .ngfactory if we have a injectable/directive/pipe/NgModule
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// or a reference to a non source file.
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// Note: This is overestimating the required .ngfactory files as the real calculation is harder.
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// Only do this for StubEmitFlags.Basic, as adding a type check block
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// does not change this file (as we generate type check blocks based on NgModules).
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if (this._options.allowEmptyCodegenFiles || file.directives.length || file.pipes.length ||
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file.injectables.length || file.ngModules.length || file.exportsNonSourceFiles) {
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genFileNames.push(ngfactoryFilePath(file.fileName, true));
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if (this._options.enableSummariesForJit) {
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genFileNames.push(summaryForJitFileName(file.fileName, true));
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}
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}
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const fileSuffix = splitTypescriptSuffix(file.fileName, true)[1];
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file.directives.forEach((dirSymbol) => {
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const compMeta =
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this._metadataResolver.getNonNormalizedDirectiveMetadata(dirSymbol) !.metadata;
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if (!compMeta.isComponent) {
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return;
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}
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// Note: compMeta is a component and therefore template is non null.
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compMeta.template !.styleUrls.forEach((styleUrl) => {
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const normalizedUrl = this._host.resourceNameToFileName(styleUrl, file.fileName);
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if (!normalizedUrl) {
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throw new Error(`Couldn't resolve resource ${styleUrl} relative to ${file.fileName}`);
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}
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const needsShim = (compMeta.template !.encapsulation ||
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this._config.defaultEncapsulation) === ViewEncapsulation.Emulated;
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genFileNames.push(_stylesModuleUrl(normalizedUrl, needsShim, fileSuffix));
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if (this._options.allowEmptyCodegenFiles) {
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genFileNames.push(_stylesModuleUrl(normalizedUrl, !needsShim, fileSuffix));
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}
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});
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});
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return genFileNames;
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}
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emitBasicStub(genFileName: string, originalFileName?: string): GeneratedFile {
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const outputCtx = this._createOutputContext(genFileName);
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if (genFileName.endsWith('.ngfactory.ts')) {
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if (!originalFileName) {
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throw new Error(
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`Assertion error: require the original file for .ngfactory.ts stubs. File: ${genFileName}`);
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}
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const originalFile = this._analyzeFile(originalFileName);
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this._createNgFactoryStub(outputCtx, originalFile, StubEmitFlags.Basic);
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} else if (genFileName.endsWith('.ngsummary.ts')) {
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if (this._options.enableSummariesForJit) {
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if (!originalFileName) {
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throw new Error(
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`Assertion error: require the original file for .ngsummary.ts stubs. File: ${genFileName}`);
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}
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const originalFile = this._analyzeFile(originalFileName);
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_createEmptyStub(outputCtx);
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originalFile.ngModules.forEach(ngModule => {
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// create exports that user code can reference
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createForJitStub(outputCtx, ngModule.type.reference);
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});
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}
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} else if (genFileName.endsWith('.ngstyle.ts')) {
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_createEmptyStub(outputCtx);
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}
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// Note: for the stubs, we don't need a property srcFileUrl,
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// as lateron in emitAllImpls we will create the proper GeneratedFiles with the
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// correct srcFileUrl.
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// This is good as e.g. for .ngstyle.ts files we can't derive
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// the url of components based on the genFileUrl.
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return this._codegenSourceModule('unknown', outputCtx);
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}
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emitTypeCheckStub(genFileName: string, originalFileName: string): GeneratedFile|null {
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const originalFile = this._analyzeFile(originalFileName);
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const outputCtx = this._createOutputContext(genFileName);
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if (genFileName.endsWith('.ngfactory.ts')) {
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this._createNgFactoryStub(outputCtx, originalFile, StubEmitFlags.TypeCheck);
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}
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return outputCtx.statements.length > 0 ?
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this._codegenSourceModule(originalFile.fileName, outputCtx) :
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null;
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}
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loadFilesAsync(fileNames: string[]): Promise<NgAnalyzedModules> {
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const files = fileNames.map(fileName => this._analyzeFile(fileName));
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const loadingPromises: Promise<NgAnalyzedModules>[] = [];
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files.forEach(
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file => file.ngModules.forEach(
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ngModule =>
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loadingPromises.push(this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(
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ngModule.type.reference, false))));
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return Promise.all(loadingPromises).then(_ => mergeAndValidateNgFiles(files));
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}
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loadFilesSync(fileNames: string[]): NgAnalyzedModules {
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const files = fileNames.map(fileName => this._analyzeFile(fileName));
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files.forEach(
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file => file.ngModules.forEach(
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ngModule => this._metadataResolver.loadNgModuleDirectiveAndPipeMetadata(
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ngModule.type.reference, true)));
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return mergeAndValidateNgFiles(files);
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}
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private _createNgFactoryStub(
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outputCtx: OutputContext, file: NgAnalyzedFile, emitFlags: StubEmitFlags) {
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file.ngModules.forEach((ngModuleMeta, ngModuleIndex) => {
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// Note: the code below needs to executed for StubEmitFlags.Basic and StubEmitFlags.TypeCheck,
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// so we don't change the .ngfactory file too much when adding the typecheck block.
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// create exports that user code can reference
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this._ngModuleCompiler.createStub(outputCtx, ngModuleMeta.type.reference);
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// add references to the symbols from the metadata.
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// These can be used by the type check block for components,
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// and they also cause TypeScript to include these files into the program too,
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// which will make them part of the analyzedFiles.
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const externalReferences: StaticSymbol[] = [
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...ngModuleMeta.declaredDirectives.map(d => d.reference),
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...ngModuleMeta.declaredPipes.map(d => d.reference),
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...ngModuleMeta.importedModules.map(m => m.type.reference),
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...ngModuleMeta.exportedModules.map(m => m.type.reference),
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];
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const externalReferenceVars = new Map<any, string>();
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externalReferences.forEach((ref, typeIndex) => {
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if (this._host.isSourceFile(ref.filePath)) {
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externalReferenceVars.set(ref, `_decl${ngModuleIndex}_${typeIndex}`);
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}
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});
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externalReferenceVars.forEach((varName, reference) => {
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outputCtx.statements.push(
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o.variable(varName)
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.set(o.NULL_EXPR.cast(o.DYNAMIC_TYPE))
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.toDeclStmt(o.expressionType(outputCtx.importExpr(reference))));
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});
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if (emitFlags & StubEmitFlags.TypeCheck) {
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// add the typecheck block for all components of the NgModule
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ngModuleMeta.declaredDirectives.forEach((dirId) => {
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const compMeta = this._metadataResolver.getDirectiveMetadata(dirId.reference);
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if (!compMeta.isComponent) {
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return;
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}
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this._createTypeCheckBlock(
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outputCtx, ngModuleMeta, this._metadataResolver.getHostComponentMetadata(compMeta),
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[compMeta.type], externalReferenceVars);
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this._createTypeCheckBlock(
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outputCtx, ngModuleMeta, compMeta, ngModuleMeta.transitiveModule.directives,
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externalReferenceVars);
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});
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}
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});
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if (outputCtx.statements.length === 0) {
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_createEmptyStub(outputCtx);
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}
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}
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private _createTypeCheckBlock(
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ctx: OutputContext, moduleMeta: CompileNgModuleMetadata, compMeta: CompileDirectiveMetadata,
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directives: CompileIdentifierMetadata[], externalReferenceVars: Map<any, string>) {
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const {template: parsedTemplate, pipes: usedPipes} =
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this._parseTemplate(compMeta, moduleMeta, directives);
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ctx.statements.push(...this._typeCheckCompiler.compileComponent(
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compMeta, parsedTemplate, usedPipes, externalReferenceVars));
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}
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emitMessageBundle(analyzeResult: NgAnalyzedModules, locale: string|null): MessageBundle {
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const errors: ParseError[] = [];
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const htmlParser = new HtmlParser();
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// TODO(vicb): implicit tags & attributes
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const messageBundle = new MessageBundle(htmlParser, [], {}, locale);
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analyzeResult.files.forEach(file => {
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const compMetas: CompileDirectiveMetadata[] = [];
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file.directives.forEach(directiveType => {
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const dirMeta = this._metadataResolver.getDirectiveMetadata(directiveType);
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if (dirMeta && dirMeta.isComponent) {
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compMetas.push(dirMeta);
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}
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});
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compMetas.forEach(compMeta => {
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const html = compMeta.template !.template !;
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const interpolationConfig =
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InterpolationConfig.fromArray(compMeta.template !.interpolation);
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errors.push(
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...messageBundle.updateFromTemplate(html, file.fileName, interpolationConfig) !);
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});
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});
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if (errors.length) {
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throw new Error(errors.map(e => e.toString()).join('\n'));
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}
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return messageBundle;
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}
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emitAllImpls(analyzeResult: NgAnalyzedModules): GeneratedFile[] {
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const {ngModuleByPipeOrDirective, files} = analyzeResult;
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const sourceModules = files.map(
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file => this._compileImplFile(
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file.fileName, ngModuleByPipeOrDirective, file.directives, file.pipes, file.ngModules,
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file.injectables));
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return flatten(sourceModules);
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}
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private _compileImplFile(
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srcFileUrl: string, ngModuleByPipeOrDirective: Map<StaticSymbol, CompileNgModuleMetadata>,
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directives: StaticSymbol[], pipes: StaticSymbol[], ngModules: CompileNgModuleMetadata[],
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injectables: StaticSymbol[]): GeneratedFile[] {
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const fileSuffix = splitTypescriptSuffix(srcFileUrl, true)[1];
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const generatedFiles: GeneratedFile[] = [];
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const outputCtx = this._createOutputContext(ngfactoryFilePath(srcFileUrl, true));
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generatedFiles.push(
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...this._createSummary(srcFileUrl, directives, pipes, ngModules, injectables, outputCtx));
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// compile all ng modules
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ngModules.forEach((ngModuleMeta) => this._compileModule(outputCtx, ngModuleMeta));
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// compile components
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directives.forEach((dirType) => {
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const compMeta = this._metadataResolver.getDirectiveMetadata(<any>dirType);
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if (!compMeta.isComponent) {
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return;
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}
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const ngModule = ngModuleByPipeOrDirective.get(dirType);
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if (!ngModule) {
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throw new Error(
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`Internal Error: cannot determine the module for component ${identifierName(compMeta.type)}!`);
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}
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// compile styles
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const componentStylesheet = this._styleCompiler.compileComponent(outputCtx, compMeta);
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// Note: compMeta is a component and therefore template is non null.
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compMeta.template !.externalStylesheets.forEach((stylesheetMeta) => {
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// Note: fill non shim and shim style files as they might
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// be shared by component with and without ViewEncapsulation.
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const shim = this._styleCompiler.needsStyleShim(compMeta);
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generatedFiles.push(
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this._codegenStyles(srcFileUrl, compMeta, stylesheetMeta, shim, fileSuffix));
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if (this._options.allowEmptyCodegenFiles) {
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generatedFiles.push(
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this._codegenStyles(srcFileUrl, compMeta, stylesheetMeta, !shim, fileSuffix));
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}
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});
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// compile components
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const compViewVars = this._compileComponent(
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outputCtx, compMeta, ngModule, ngModule.transitiveModule.directives, componentStylesheet,
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fileSuffix);
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this._compileComponentFactory(outputCtx, compMeta, ngModule, fileSuffix);
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});
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if (outputCtx.statements.length > 0 || this._options.allowEmptyCodegenFiles) {
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const srcModule = this._codegenSourceModule(srcFileUrl, outputCtx);
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generatedFiles.unshift(srcModule);
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}
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return generatedFiles;
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}
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private _createSummary(
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srcFileName: string, directives: StaticSymbol[], pipes: StaticSymbol[],
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ngModules: CompileNgModuleMetadata[], injectables: StaticSymbol[],
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ngFactoryCtx: OutputContext): GeneratedFile[] {
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const symbolSummaries = this._symbolResolver.getSymbolsOf(srcFileName)
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.map(symbol => this._symbolResolver.resolveSymbol(symbol));
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const typeData: {
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summary: CompileTypeSummary,
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metadata: CompileNgModuleMetadata | CompileDirectiveMetadata | CompilePipeMetadata |
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CompileTypeMetadata
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}[] =
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[
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...ngModules.map(
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meta => ({
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summary: this._metadataResolver.getNgModuleSummary(meta.type.reference) !,
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metadata: this._metadataResolver.getNgModuleMetadata(meta.type.reference) !
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})),
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...directives.map(ref => ({
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summary: this._metadataResolver.getDirectiveSummary(ref) !,
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metadata: this._metadataResolver.getDirectiveMetadata(ref) !
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})),
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...pipes.map(ref => ({
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summary: this._metadataResolver.getPipeSummary(ref) !,
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metadata: this._metadataResolver.getPipeMetadata(ref) !
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})),
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...injectables.map(ref => ({
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summary: this._metadataResolver.getInjectableSummary(ref) !,
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metadata: this._metadataResolver.getInjectableSummary(ref) !.type
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}))
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];
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const forJitOutputCtx = this._options.enableSummariesForJit ?
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this._createOutputContext(summaryForJitFileName(srcFileName, true)) :
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null;
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const {json, exportAs} = serializeSummaries(
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srcFileName, forJitOutputCtx, this._summaryResolver, this._symbolResolver, symbolSummaries,
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typeData);
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exportAs.forEach((entry) => {
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ngFactoryCtx.statements.push(
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o.variable(entry.exportAs).set(ngFactoryCtx.importExpr(entry.symbol)).toDeclStmt(null, [
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o.StmtModifier.Exported
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]));
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});
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const summaryJson = new GeneratedFile(srcFileName, summaryFileName(srcFileName), json);
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const result = [summaryJson];
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if (forJitOutputCtx) {
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result.push(this._codegenSourceModule(srcFileName, forJitOutputCtx));
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}
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return result;
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}
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private _compileModule(outputCtx: OutputContext, ngModule: CompileNgModuleMetadata): void {
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const providers: CompileProviderMetadata[] = [];
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if (this._options.locale) {
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const normalizedLocale = this._options.locale.replace(/_/g, '-');
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providers.push({
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token: createTokenForExternalReference(this._reflector, Identifiers.LOCALE_ID),
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useValue: normalizedLocale,
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});
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}
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if (this._options.i18nFormat) {
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providers.push({
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token: createTokenForExternalReference(this._reflector, Identifiers.TRANSLATIONS_FORMAT),
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useValue: this._options.i18nFormat
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});
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}
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this._ngModuleCompiler.compile(outputCtx, ngModule, providers);
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}
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private _compileComponentFactory(
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outputCtx: OutputContext, compMeta: CompileDirectiveMetadata,
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ngModule: CompileNgModuleMetadata, fileSuffix: string): void {
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const hostMeta = this._metadataResolver.getHostComponentMetadata(compMeta);
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const hostViewFactoryVar =
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this._compileComponent(outputCtx, hostMeta, ngModule, [compMeta.type], null, fileSuffix)
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.viewClassVar;
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const compFactoryVar = componentFactoryName(compMeta.type.reference);
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const inputsExprs: o.LiteralMapEntry[] = [];
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for (let propName in compMeta.inputs) {
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const templateName = compMeta.inputs[propName];
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// Don't quote so that the key gets minified...
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inputsExprs.push(new o.LiteralMapEntry(propName, o.literal(templateName), false));
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}
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const outputsExprs: o.LiteralMapEntry[] = [];
|
|
for (let propName in compMeta.outputs) {
|
|
const templateName = compMeta.outputs[propName];
|
|
// Don't quote so that the key gets minified...
|
|
outputsExprs.push(new o.LiteralMapEntry(propName, o.literal(templateName), false));
|
|
}
|
|
|
|
outputCtx.statements.push(
|
|
o.variable(compFactoryVar)
|
|
.set(o.importExpr(Identifiers.createComponentFactory).callFn([
|
|
o.literal(compMeta.selector), outputCtx.importExpr(compMeta.type.reference),
|
|
o.variable(hostViewFactoryVar), new o.LiteralMapExpr(inputsExprs),
|
|
new o.LiteralMapExpr(outputsExprs),
|
|
o.literalArr(
|
|
compMeta.template !.ngContentSelectors.map(selector => o.literal(selector)))
|
|
]))
|
|
.toDeclStmt(
|
|
o.importType(
|
|
Identifiers.ComponentFactory,
|
|
[o.expressionType(outputCtx.importExpr(compMeta.type.reference)) !],
|
|
[o.TypeModifier.Const]),
|
|
[o.StmtModifier.Final, o.StmtModifier.Exported]));
|
|
}
|
|
|
|
private _compileComponent(
|
|
outputCtx: OutputContext, compMeta: CompileDirectiveMetadata,
|
|
ngModule: CompileNgModuleMetadata, directiveIdentifiers: CompileIdentifierMetadata[],
|
|
componentStyles: CompiledStylesheet|null, fileSuffix: string): ViewCompileResult {
|
|
const {template: parsedTemplate, pipes: usedPipes} =
|
|
this._parseTemplate(compMeta, ngModule, directiveIdentifiers);
|
|
const stylesExpr = componentStyles ? o.variable(componentStyles.stylesVar) : o.literalArr([]);
|
|
const viewResult = this._viewCompiler.compileComponent(
|
|
outputCtx, compMeta, parsedTemplate, stylesExpr, usedPipes);
|
|
if (componentStyles) {
|
|
_resolveStyleStatements(
|
|
this._symbolResolver, componentStyles, this._styleCompiler.needsStyleShim(compMeta),
|
|
fileSuffix);
|
|
}
|
|
return viewResult;
|
|
}
|
|
|
|
private _parseTemplate(
|
|
compMeta: CompileDirectiveMetadata, ngModule: CompileNgModuleMetadata,
|
|
directiveIdentifiers: CompileIdentifierMetadata[]):
|
|
{template: TemplateAst[], pipes: CompilePipeSummary[]} {
|
|
if (this._templateAstCache.has(compMeta.type.reference)) {
|
|
return this._templateAstCache.get(compMeta.type.reference) !;
|
|
}
|
|
const preserveWhitespaces = compMeta !.template !.preserveWhitespaces;
|
|
const directives =
|
|
directiveIdentifiers.map(dir => this._metadataResolver.getDirectiveSummary(dir.reference));
|
|
const pipes = ngModule.transitiveModule.pipes.map(
|
|
pipe => this._metadataResolver.getPipeSummary(pipe.reference));
|
|
const result = this._templateParser.parse(
|
|
compMeta, compMeta.template !.htmlAst !, directives, pipes, ngModule.schemas,
|
|
templateSourceUrl(ngModule.type, compMeta, compMeta.template !), preserveWhitespaces);
|
|
this._templateAstCache.set(compMeta.type.reference, result);
|
|
return result;
|
|
}
|
|
|
|
private _createOutputContext(genFilePath: string): OutputContext {
|
|
const importExpr = (symbol: StaticSymbol, typeParams: o.Type[] | null = null) => {
|
|
if (!(symbol instanceof StaticSymbol)) {
|
|
throw new Error(`Internal error: unknown identifier ${JSON.stringify(symbol)}`);
|
|
}
|
|
const arity = this._symbolResolver.getTypeArity(symbol) || 0;
|
|
const {filePath, name, members} = this._symbolResolver.getImportAs(symbol) || symbol;
|
|
const importModule = this._symbolResolver.fileNameToModuleName(filePath, genFilePath);
|
|
|
|
// It should be good enough to compare filePath to genFilePath and if they are equal
|
|
// there is a self reference. However, ngfactory files generate to .ts but their
|
|
// symbols have .d.ts so a simple compare is insufficient. They should be canonical
|
|
// and is tracked by #17705.
|
|
const selfReference = this._symbolResolver.fileNameToModuleName(genFilePath, genFilePath);
|
|
const moduleName = importModule === selfReference ? null : importModule;
|
|
|
|
// If we are in a type expression that refers to a generic type then supply
|
|
// the required type parameters. If there were not enough type parameters
|
|
// supplied, supply any as the type. Outside a type expression the reference
|
|
// should not supply type parameters and be treated as a simple value reference
|
|
// to the constructor function itself.
|
|
const suppliedTypeParams = typeParams || [];
|
|
const missingTypeParamsCount = arity - suppliedTypeParams.length;
|
|
const allTypeParams =
|
|
suppliedTypeParams.concat(new Array(missingTypeParamsCount).fill(o.DYNAMIC_TYPE));
|
|
return members.reduce(
|
|
(expr, memberName) => expr.prop(memberName),
|
|
<o.Expression>o.importExpr(
|
|
new o.ExternalReference(moduleName, name, null), allTypeParams));
|
|
};
|
|
|
|
return {statements: [], genFilePath, importExpr};
|
|
}
|
|
|
|
private _codegenStyles(
|
|
srcFileUrl: string, compMeta: CompileDirectiveMetadata,
|
|
stylesheetMetadata: CompileStylesheetMetadata, isShimmed: boolean,
|
|
fileSuffix: string): GeneratedFile {
|
|
const outputCtx = this._createOutputContext(
|
|
_stylesModuleUrl(stylesheetMetadata.moduleUrl !, isShimmed, fileSuffix));
|
|
const compiledStylesheet =
|
|
this._styleCompiler.compileStyles(outputCtx, compMeta, stylesheetMetadata, isShimmed);
|
|
_resolveStyleStatements(this._symbolResolver, compiledStylesheet, isShimmed, fileSuffix);
|
|
return this._codegenSourceModule(srcFileUrl, outputCtx);
|
|
}
|
|
|
|
private _codegenSourceModule(srcFileUrl: string, ctx: OutputContext): GeneratedFile {
|
|
return new GeneratedFile(srcFileUrl, ctx.genFilePath, ctx.statements);
|
|
}
|
|
}
|
|
|
|
function _createEmptyStub(outputCtx: OutputContext) {
|
|
// Note: We need to produce at least one import statement so that
|
|
// TypeScript knows that the file is an es6 module. Otherwise our generated
|
|
// exports / imports won't be emitted properly by TypeScript.
|
|
outputCtx.statements.push(o.importExpr(Identifiers.ComponentFactory).toStmt());
|
|
}
|
|
|
|
|
|
function _resolveStyleStatements(
|
|
symbolResolver: StaticSymbolResolver, compileResult: CompiledStylesheet, needsShim: boolean,
|
|
fileSuffix: string): void {
|
|
compileResult.dependencies.forEach((dep) => {
|
|
dep.setValue(symbolResolver.getStaticSymbol(
|
|
_stylesModuleUrl(dep.moduleUrl, needsShim, fileSuffix), dep.name));
|
|
});
|
|
}
|
|
|
|
function _stylesModuleUrl(stylesheetUrl: string, shim: boolean, suffix: string): string {
|
|
return `${stylesheetUrl}${shim ? '.shim' : ''}.ngstyle${suffix}`;
|
|
}
|
|
|
|
export interface NgAnalyzedModules {
|
|
ngModules: CompileNgModuleMetadata[];
|
|
ngModuleByPipeOrDirective: Map<StaticSymbol, CompileNgModuleMetadata>;
|
|
files: NgAnalyzedFile[];
|
|
symbolsMissingModule?: StaticSymbol[];
|
|
}
|
|
|
|
export interface NgAnalyzedFile {
|
|
fileName: string;
|
|
directives: StaticSymbol[];
|
|
pipes: StaticSymbol[];
|
|
ngModules: CompileNgModuleMetadata[];
|
|
injectables: StaticSymbol[];
|
|
exportsNonSourceFiles: boolean;
|
|
}
|
|
|
|
export interface NgAnalyzeModulesHost { isSourceFile(filePath: string): boolean; }
|
|
|
|
export function analyzeNgModules(
|
|
fileNames: string[], host: NgAnalyzeModulesHost, staticSymbolResolver: StaticSymbolResolver,
|
|
metadataResolver: CompileMetadataResolver): NgAnalyzedModules {
|
|
const files = _analyzeFilesIncludingNonProgramFiles(
|
|
fileNames, host, staticSymbolResolver, metadataResolver);
|
|
return mergeAnalyzedFiles(files);
|
|
}
|
|
|
|
export function analyzeAndValidateNgModules(
|
|
fileNames: string[], host: NgAnalyzeModulesHost, staticSymbolResolver: StaticSymbolResolver,
|
|
metadataResolver: CompileMetadataResolver): NgAnalyzedModules {
|
|
return validateAnalyzedModules(
|
|
analyzeNgModules(fileNames, host, staticSymbolResolver, metadataResolver));
|
|
}
|
|
|
|
function validateAnalyzedModules(analyzedModules: NgAnalyzedModules): NgAnalyzedModules {
|
|
if (analyzedModules.symbolsMissingModule && analyzedModules.symbolsMissingModule.length) {
|
|
const messages = analyzedModules.symbolsMissingModule.map(
|
|
s =>
|
|
`Cannot determine the module for class ${s.name} in ${s.filePath}! Add ${s.name} to the NgModule to fix it.`);
|
|
throw syntaxError(messages.join('\n'));
|
|
}
|
|
return analyzedModules;
|
|
}
|
|
|
|
// Analyzes all of the program files,
|
|
// including files that are not part of the program
|
|
// but are referenced by an NgModule.
|
|
function _analyzeFilesIncludingNonProgramFiles(
|
|
fileNames: string[], host: NgAnalyzeModulesHost, staticSymbolResolver: StaticSymbolResolver,
|
|
metadataResolver: CompileMetadataResolver): NgAnalyzedFile[] {
|
|
const seenFiles = new Set<string>();
|
|
const files: NgAnalyzedFile[] = [];
|
|
|
|
const visitFile = (fileName: string) => {
|
|
if (seenFiles.has(fileName) || !host.isSourceFile(fileName)) {
|
|
return false;
|
|
}
|
|
seenFiles.add(fileName);
|
|
const analyzedFile = analyzeFile(host, staticSymbolResolver, metadataResolver, fileName);
|
|
files.push(analyzedFile);
|
|
analyzedFile.ngModules.forEach(ngModule => {
|
|
ngModule.transitiveModule.modules.forEach(modMeta => visitFile(modMeta.reference.filePath));
|
|
});
|
|
};
|
|
fileNames.forEach((fileName) => visitFile(fileName));
|
|
return files;
|
|
}
|
|
|
|
export function analyzeFile(
|
|
host: NgAnalyzeModulesHost, staticSymbolResolver: StaticSymbolResolver,
|
|
metadataResolver: CompileMetadataResolver, fileName: string): NgAnalyzedFile {
|
|
const directives: StaticSymbol[] = [];
|
|
const pipes: StaticSymbol[] = [];
|
|
const injectables: StaticSymbol[] = [];
|
|
const ngModules: CompileNgModuleMetadata[] = [];
|
|
const hasDecorators = staticSymbolResolver.hasDecorators(fileName);
|
|
let exportsNonSourceFiles = false;
|
|
// Don't analyze .d.ts files that have no decorators as a shortcut
|
|
// to speed up the analysis. This prevents us from
|
|
// resolving the references in these files.
|
|
// Note: exportsNonSourceFiles is only needed when compiling with summaries,
|
|
// which is not the case when .d.ts files are treated as input files.
|
|
if (!fileName.endsWith('.d.ts') || hasDecorators) {
|
|
staticSymbolResolver.getSymbolsOf(fileName).forEach((symbol) => {
|
|
const resolvedSymbol = staticSymbolResolver.resolveSymbol(symbol);
|
|
const symbolMeta = resolvedSymbol.metadata;
|
|
if (!symbolMeta || symbolMeta.__symbolic === 'error') {
|
|
return;
|
|
}
|
|
let isNgSymbol = false;
|
|
if (symbolMeta.__symbolic === 'class') {
|
|
if (metadataResolver.isDirective(symbol)) {
|
|
isNgSymbol = true;
|
|
directives.push(symbol);
|
|
} else if (metadataResolver.isPipe(symbol)) {
|
|
isNgSymbol = true;
|
|
pipes.push(symbol);
|
|
} else if (metadataResolver.isInjectable(symbol)) {
|
|
isNgSymbol = true;
|
|
injectables.push(symbol);
|
|
} else {
|
|
const ngModule = metadataResolver.getNgModuleMetadata(symbol, false);
|
|
if (ngModule) {
|
|
isNgSymbol = true;
|
|
ngModules.push(ngModule);
|
|
}
|
|
}
|
|
}
|
|
if (!isNgSymbol) {
|
|
exportsNonSourceFiles =
|
|
exportsNonSourceFiles || isValueExportingNonSourceFile(host, symbolMeta);
|
|
}
|
|
});
|
|
}
|
|
return {
|
|
fileName, directives, pipes, ngModules, injectables, exportsNonSourceFiles,
|
|
};
|
|
}
|
|
|
|
function isValueExportingNonSourceFile(host: NgAnalyzeModulesHost, metadata: any): boolean {
|
|
let exportsNonSourceFiles = false;
|
|
|
|
class Visitor implements ValueVisitor {
|
|
visitArray(arr: any[], context: any): any { arr.forEach(v => visitValue(v, this, context)); }
|
|
visitStringMap(map: {[key: string]: any}, context: any): any {
|
|
Object.keys(map).forEach((key) => visitValue(map[key], this, context));
|
|
}
|
|
visitPrimitive(value: any, context: any): any {}
|
|
visitOther(value: any, context: any): any {
|
|
if (value instanceof StaticSymbol && !host.isSourceFile(value.filePath)) {
|
|
exportsNonSourceFiles = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
visitValue(metadata, new Visitor(), null);
|
|
return exportsNonSourceFiles;
|
|
}
|
|
|
|
export function mergeAnalyzedFiles(analyzedFiles: NgAnalyzedFile[]): NgAnalyzedModules {
|
|
const allNgModules: CompileNgModuleMetadata[] = [];
|
|
const ngModuleByPipeOrDirective = new Map<StaticSymbol, CompileNgModuleMetadata>();
|
|
const allPipesAndDirectives = new Set<StaticSymbol>();
|
|
|
|
analyzedFiles.forEach(af => {
|
|
af.ngModules.forEach(ngModule => {
|
|
allNgModules.push(ngModule);
|
|
ngModule.declaredDirectives.forEach(
|
|
d => ngModuleByPipeOrDirective.set(d.reference, ngModule));
|
|
ngModule.declaredPipes.forEach(p => ngModuleByPipeOrDirective.set(p.reference, ngModule));
|
|
});
|
|
af.directives.forEach(d => allPipesAndDirectives.add(d));
|
|
af.pipes.forEach(p => allPipesAndDirectives.add(p));
|
|
});
|
|
|
|
const symbolsMissingModule: StaticSymbol[] = [];
|
|
allPipesAndDirectives.forEach(ref => {
|
|
if (!ngModuleByPipeOrDirective.has(ref)) {
|
|
symbolsMissingModule.push(ref);
|
|
}
|
|
});
|
|
return {
|
|
ngModules: allNgModules,
|
|
ngModuleByPipeOrDirective,
|
|
symbolsMissingModule,
|
|
files: analyzedFiles
|
|
};
|
|
}
|
|
|
|
function mergeAndValidateNgFiles(files: NgAnalyzedFile[]): NgAnalyzedModules {
|
|
return validateAnalyzedModules(mergeAnalyzedFiles(files));
|
|
}
|