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@angular-devkit/build-angular

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"use strict"; /** * @license * Copyright Google LLC All Rights Reserved. * * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://angular.io/license */ var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) { if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter"); if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it"); return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver); }; var __classPrivateFieldSet = (this && this.__classPrivateFieldSet) || function (receiver, state, value, kind, f) { if (kind === "m") throw new TypeError("Private method is not writable"); if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a setter"); if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot write private member to an object whose class did not declare it"); return (kind === "a" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value; }; var __importDefault = (this && this.__importDefault) || function (mod) { return (mod && mod.__esModule) ? mod : { "default": mod }; }; var _AotCompilation_state; Object.defineProperty(exports, "__esModule", { value: true }); exports.AotCompilation = void 0; const node_assert_1 = __importDefault(require("node:assert")); const typescript_1 = __importDefault(require("typescript")); const profiling_1 = require("../../profiling"); const angular_host_1 = require("../angular-host"); const angular_compilation_1 = require("./angular-compilation"); // Temporary deep import for transformer support // TODO: Move these to a private exports location or move the implementation into this package. const { mergeTransformers, replaceBootstrap } = require('@ngtools/webpack/src/ivy/transformation'); class AngularCompilationState { constructor(angularProgram, compilerHost, typeScriptProgram, affectedFiles, templateDiagnosticsOptimization, diagnosticCache = new WeakMap()) { this.angularProgram = angularProgram; this.compilerHost = compilerHost; this.typeScriptProgram = typeScriptProgram; this.affectedFiles = affectedFiles; this.templateDiagnosticsOptimization = templateDiagnosticsOptimization; this.diagnosticCache = diagnosticCache; } get angularCompiler() { return this.angularProgram.compiler; } } class AotCompilation extends angular_compilation_1.AngularCompilation { constructor() { super(...arguments); _AotCompilation_state.set(this, void 0); } async initialize(tsconfig, hostOptions, compilerOptionsTransformer) { // Dynamically load the Angular compiler CLI package const { NgtscProgram, OptimizeFor } = await angular_compilation_1.AngularCompilation.loadCompilerCli(); // Load the compiler configuration and transform as needed const { options: originalCompilerOptions, rootNames, errors: configurationDiagnostics, } = await this.loadConfiguration(tsconfig); const compilerOptions = compilerOptionsTransformer?.(originalCompilerOptions) ?? originalCompilerOptions; // Create Angular compiler host const host = (0, angular_host_1.createAngularCompilerHost)(compilerOptions, hostOptions); // Create the Angular specific program that contains the Angular compiler const angularProgram = (0, profiling_1.profileSync)('NG_CREATE_PROGRAM', () => new NgtscProgram(rootNames, compilerOptions, host, __classPrivateFieldGet(this, _AotCompilation_state, "f")?.angularProgram)); const angularCompiler = angularProgram.compiler; const angularTypeScriptProgram = angularProgram.getTsProgram(); (0, angular_host_1.ensureSourceFileVersions)(angularTypeScriptProgram); let oldProgram = __classPrivateFieldGet(this, _AotCompilation_state, "f")?.typeScriptProgram; let usingBuildInfo = false; if (!oldProgram) { oldProgram = typescript_1.default.readBuilderProgram(compilerOptions, host); usingBuildInfo = true; } const typeScriptProgram = typescript_1.default.createEmitAndSemanticDiagnosticsBuilderProgram(angularTypeScriptProgram, host, oldProgram, configurationDiagnostics); await (0, profiling_1.profileAsync)('NG_ANALYZE_PROGRAM', () => angularCompiler.analyzeAsync()); const affectedFiles = (0, profiling_1.profileSync)('NG_FIND_AFFECTED', () => findAffectedFiles(typeScriptProgram, angularCompiler, usingBuildInfo)); __classPrivateFieldSet(this, _AotCompilation_state, new AngularCompilationState(angularProgram, host, typeScriptProgram, affectedFiles, affectedFiles.size === 1 ? OptimizeFor.SingleFile : OptimizeFor.WholeProgram, __classPrivateFieldGet(this, _AotCompilation_state, "f")?.diagnosticCache), "f"); const referencedFiles = typeScriptProgram .getSourceFiles() .filter((sourceFile) => !angularCompiler.ignoreForEmit.has(sourceFile)) .flatMap((sourceFile) => [ sourceFile.fileName, ...angularCompiler.getResourceDependencies(sourceFile), ]); return { affectedFiles, compilerOptions, referencedFiles }; } *collectDiagnostics() { (0, node_assert_1.default)(__classPrivateFieldGet(this, _AotCompilation_state, "f"), 'Angular compilation must be initialized prior to collecting diagnostics.'); const { affectedFiles, angularCompiler, diagnosticCache, templateDiagnosticsOptimization, typeScriptProgram, } = __classPrivateFieldGet(this, _AotCompilation_state, "f"); // Collect program level diagnostics yield* typeScriptProgram.getConfigFileParsingDiagnostics(); yield* angularCompiler.getOptionDiagnostics(); yield* typeScriptProgram.getOptionsDiagnostics(); yield* typeScriptProgram.getGlobalDiagnostics(); // Collect source file specific diagnostics for (const sourceFile of typeScriptProgram.getSourceFiles()) { if (angularCompiler.ignoreForDiagnostics.has(sourceFile)) { continue; } // TypeScript will use cached diagnostics for files that have not been // changed or affected for this build when using incremental building. yield* (0, profiling_1.profileSync)('NG_DIAGNOSTICS_SYNTACTIC', () => typeScriptProgram.getSyntacticDiagnostics(sourceFile), true); yield* (0, profiling_1.profileSync)('NG_DIAGNOSTICS_SEMANTIC', () => typeScriptProgram.getSemanticDiagnostics(sourceFile), true); // Declaration files cannot have template diagnostics if (sourceFile.isDeclarationFile) { continue; } // Only request Angular template diagnostics for affected files to avoid // overhead of template diagnostics for unchanged files. if (affectedFiles.has(sourceFile)) { const angularDiagnostics = (0, profiling_1.profileSync)('NG_DIAGNOSTICS_TEMPLATE', () => angularCompiler.getDiagnosticsForFile(sourceFile, templateDiagnosticsOptimization), true); diagnosticCache.set(sourceFile, angularDiagnostics); yield* angularDiagnostics; } else { const angularDiagnostics = diagnosticCache.get(sourceFile); if (angularDiagnostics) { yield* angularDiagnostics; } } } } emitAffectedFiles() { (0, node_assert_1.default)(__classPrivateFieldGet(this, _AotCompilation_state, "f"), 'Angular compilation must be initialized prior to emitting files.'); const { angularCompiler, compilerHost, typeScriptProgram } = __classPrivateFieldGet(this, _AotCompilation_state, "f"); const buildInfoFilename = typeScriptProgram.getCompilerOptions().tsBuildInfoFile ?? '.tsbuildinfo'; const emittedFiles = new Map(); const writeFileCallback = (filename, contents, _a, _b, sourceFiles) => { if (!sourceFiles?.length && filename.endsWith(buildInfoFilename)) { // Save builder info contents to specified location compilerHost.writeFile(filename, contents, false); return; } (0, node_assert_1.default)(sourceFiles?.length === 1, 'Invalid TypeScript program emit for ' + filename); const sourceFile = sourceFiles[0]; if (angularCompiler.ignoreForEmit.has(sourceFile)) { return; } angularCompiler.incrementalCompilation.recordSuccessfulEmit(sourceFile); emittedFiles.set(sourceFile, { filename: sourceFile.fileName, contents }); }; const transformers = mergeTransformers(angularCompiler.prepareEmit().transformers, { before: [replaceBootstrap(() => typeScriptProgram.getProgram().getTypeChecker())], }); // TypeScript will loop until there are no more affected files in the program while (typeScriptProgram.emitNextAffectedFile(writeFileCallback, undefined, undefined, transformers)) { /* empty */ } // Angular may have files that must be emitted but TypeScript does not consider affected for (const sourceFile of typeScriptProgram.getSourceFiles()) { if (emittedFiles.has(sourceFile) || angularCompiler.ignoreForEmit.has(sourceFile)) { continue; } if (sourceFile.isDeclarationFile) { continue; } if (angularCompiler.incrementalCompilation.safeToSkipEmit(sourceFile)) { continue; } typeScriptProgram.emit(sourceFile, writeFileCallback, undefined, undefined, transformers); } return emittedFiles.values(); } } exports.AotCompilation = AotCompilation; _AotCompilation_state = new WeakMap(); function findAffectedFiles(builder, { ignoreForDiagnostics }, includeTTC) { const affectedFiles = new Set(); // eslint-disable-next-line no-constant-condition while (true) { const result = builder.getSemanticDiagnosticsOfNextAffectedFile(undefined, (sourceFile) => { // If the affected file is a TTC shim, add the shim's original source file. // This ensures that changes that affect TTC are typechecked even when the changes // are otherwise unrelated from a TS perspective and do not result in Ivy codegen changes. // For example, changing @Input property types of a directive used in another component's // template. // A TTC shim is a file that has been ignored for diagnostics and has a filename ending in `.ngtypecheck.ts`. if (ignoreForDiagnostics.has(sourceFile) && sourceFile.fileName.endsWith('.ngtypecheck.ts')) { // This file name conversion relies on internal compiler logic and should be converted // to an official method when available. 15 is length of `.ngtypecheck.ts` const originalFilename = sourceFile.fileName.slice(0, -15) + '.ts'; const originalSourceFile = builder.getSourceFile(originalFilename); if (originalSourceFile) { affectedFiles.add(originalSourceFile); } return true; } return false; }); if (!result) { break; } affectedFiles.add(result.affected); } // Add all files with associated template type checking files. // Stored TS build info does not have knowledge of the AOT compiler or the typechecking state of the templates. // To ensure that errors are reported correctly, all AOT component diagnostics need to be analyzed even if build // info is present. if (includeTTC) { for (const sourceFile of builder.getSourceFiles()) { if (ignoreForDiagnostics.has(sourceFile) && sourceFile.fileName.endsWith('.ngtypecheck.ts')) { // This file name conversion relies on internal compiler logic and should be converted // to an official method when available. 15 is length of `.ngtypecheck.ts` const originalFilename = sourceFile.fileName.slice(0, -15) + '.ts'; const originalSourceFile = builder.getSourceFile(originalFilename); if (originalSourceFile) { affectedFiles.add(originalSourceFile); } } } } return affectedFiles; } //# 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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport type ng from '@angular/compiler-cli';\nimport assert from 'node:assert';\nimport ts from 'typescript';\nimport { profileAsync, profileSync } from '../../profiling';\nimport {\n  AngularHostOptions,\n  createAngularCompilerHost,\n  ensureSourceFileVersions,\n} from '../angular-host';\nimport { AngularCompilation, EmitFileResult } from './angular-compilation';\n\n// Temporary deep import for transformer support\n// TODO: Move these to a private exports location or move the implementation into this package.\nconst { mergeTransformers, replaceBootstrap } = require('@ngtools/webpack/src/ivy/transformation');\n\nclass AngularCompilationState {\n  constructor(\n    public readonly angularProgram: ng.NgtscProgram,\n    public readonly compilerHost: ng.CompilerHost,\n    public readonly typeScriptProgram: ts.EmitAndSemanticDiagnosticsBuilderProgram,\n    public readonly affectedFiles: ReadonlySet<ts.SourceFile>,\n    public readonly templateDiagnosticsOptimization: ng.OptimizeFor,\n    public readonly diagnosticCache = new WeakMap<ts.SourceFile, ts.Diagnostic[]>(),\n  ) {}\n\n  get angularCompiler() {\n    return this.angularProgram.compiler;\n  }\n}\n\nexport class AotCompilation extends AngularCompilation {\n  #state?: AngularCompilationState;\n\n  async initialize(\n    tsconfig: string,\n    hostOptions: AngularHostOptions,\n    compilerOptionsTransformer?: (compilerOptions: ng.CompilerOptions) => ng.CompilerOptions,\n  ): Promise<{\n    affectedFiles: ReadonlySet<ts.SourceFile>;\n    compilerOptions: ng.CompilerOptions;\n    referencedFiles: readonly string[];\n  }> {\n    // Dynamically load the Angular compiler CLI package\n    const { NgtscProgram, OptimizeFor } = await AngularCompilation.loadCompilerCli();\n\n    // Load the compiler configuration and transform as needed\n    const {\n      options: originalCompilerOptions,\n      rootNames,\n      errors: configurationDiagnostics,\n    } = await this.loadConfiguration(tsconfig);\n    const compilerOptions =\n      compilerOptionsTransformer?.(originalCompilerOptions) ?? originalCompilerOptions;\n\n    // Create Angular compiler host\n    const host = createAngularCompilerHost(compilerOptions, hostOptions);\n\n    // Create the Angular specific program that contains the Angular compiler\n    const angularProgram = profileSync(\n      'NG_CREATE_PROGRAM',\n      () => new NgtscProgram(rootNames, compilerOptions, host, this.#state?.angularProgram),\n    );\n    const angularCompiler = angularProgram.compiler;\n    const angularTypeScriptProgram = angularProgram.getTsProgram();\n    ensureSourceFileVersions(angularTypeScriptProgram);\n\n    let oldProgram = this.#state?.typeScriptProgram;\n    let usingBuildInfo = false;\n    if (!oldProgram) {\n      oldProgram = ts.readBuilderProgram(compilerOptions, host);\n      usingBuildInfo = true;\n    }\n\n    const typeScriptProgram = ts.createEmitAndSemanticDiagnosticsBuilderProgram(\n      angularTypeScriptProgram,\n      host,\n      oldProgram,\n      configurationDiagnostics,\n    );\n\n    await profileAsync('NG_ANALYZE_PROGRAM', () => angularCompiler.analyzeAsync());\n    const affectedFiles = profileSync('NG_FIND_AFFECTED', () =>\n      findAffectedFiles(typeScriptProgram, angularCompiler, usingBuildInfo),\n    );\n\n    this.#state = new AngularCompilationState(\n      angularProgram,\n      host,\n      typeScriptProgram,\n      affectedFiles,\n      affectedFiles.size === 1 ? OptimizeFor.SingleFile : OptimizeFor.WholeProgram,\n      this.#state?.diagnosticCache,\n    );\n\n    const referencedFiles = typeScriptProgram\n      .getSourceFiles()\n      .filter((sourceFile) => !angularCompiler.ignoreForEmit.has(sourceFile))\n      .flatMap((sourceFile) => [\n        sourceFile.fileName,\n        ...angularCompiler.getResourceDependencies(sourceFile),\n      ]);\n\n    return { affectedFiles, compilerOptions, referencedFiles };\n  }\n\n  *collectDiagnostics(): Iterable<ts.Diagnostic> {\n    assert(this.#state, 'Angular compilation must be initialized prior to collecting diagnostics.');\n    const {\n      affectedFiles,\n      angularCompiler,\n      diagnosticCache,\n      templateDiagnosticsOptimization,\n      typeScriptProgram,\n    } = this.#state;\n\n    // Collect program level diagnostics\n    yield* typeScriptProgram.getConfigFileParsingDiagnostics();\n    yield* angularCompiler.getOptionDiagnostics();\n    yield* typeScriptProgram.getOptionsDiagnostics();\n    yield* typeScriptProgram.getGlobalDiagnostics();\n\n    // Collect source file specific diagnostics\n    for (const sourceFile of typeScriptProgram.getSourceFiles()) {\n      if (angularCompiler.ignoreForDiagnostics.has(sourceFile)) {\n        continue;\n      }\n\n      // TypeScript will use cached diagnostics for files that have not been\n      // changed or affected for this build when using incremental building.\n      yield* profileSync(\n        'NG_DIAGNOSTICS_SYNTACTIC',\n        () => typeScriptProgram.getSyntacticDiagnostics(sourceFile),\n        true,\n      );\n      yield* profileSync(\n        'NG_DIAGNOSTICS_SEMANTIC',\n        () => typeScriptProgram.getSemanticDiagnostics(sourceFile),\n        true,\n      );\n\n      // Declaration files cannot have template diagnostics\n      if (sourceFile.isDeclarationFile) {\n        continue;\n      }\n\n      // Only request Angular template diagnostics for affected files to avoid\n      // overhead of template diagnostics for unchanged files.\n      if (affectedFiles.has(sourceFile)) {\n        const angularDiagnostics = profileSync(\n          'NG_DIAGNOSTICS_TEMPLATE',\n          () => angularCompiler.getDiagnosticsForFile(sourceFile, templateDiagnosticsOptimization),\n          true,\n        );\n        diagnosticCache.set(sourceFile, angularDiagnostics);\n        yield* angularDiagnostics;\n      } else {\n        const angularDiagnostics = diagnosticCache.get(sourceFile);\n        if (angularDiagnostics) {\n          yield* angularDiagnostics;\n        }\n      }\n    }\n  }\n\n  emitAffectedFiles(): Iterable<EmitFileResult> {\n    assert(this.#state, 'Angular compilation must be initialized prior to emitting files.');\n    const { angularCompiler, compilerHost, typeScriptProgram } = this.#state;\n    const buildInfoFilename =\n      typeScriptProgram.getCompilerOptions().tsBuildInfoFile ?? '.tsbuildinfo';\n\n    const emittedFiles = new Map<ts.SourceFile, EmitFileResult>();\n    const writeFileCallback: ts.WriteFileCallback = (filename, contents, _a, _b, sourceFiles) => {\n      if (!sourceFiles?.length && filename.endsWith(buildInfoFilename)) {\n        // Save builder info contents to specified location\n        compilerHost.writeFile(filename, contents, false);\n\n        return;\n      }\n\n      assert(sourceFiles?.length === 1, 'Invalid TypeScript program emit for ' + filename);\n      const sourceFile = sourceFiles[0];\n      if (angularCompiler.ignoreForEmit.has(sourceFile)) {\n        return;\n      }\n\n      angularCompiler.incrementalCompilation.recordSuccessfulEmit(sourceFile);\n      emittedFiles.set(sourceFile, { filename: sourceFile.fileName, contents });\n    };\n    const transformers = mergeTransformers(angularCompiler.prepareEmit().transformers, {\n      before: [replaceBootstrap(() => typeScriptProgram.getProgram().getTypeChecker())],\n    });\n\n    // TypeScript will loop until there are no more affected files in the program\n    while (\n      typeScriptProgram.emitNextAffectedFile(writeFileCallback, undefined, undefined, transformers)\n    ) {\n      /* empty */\n    }\n\n    // Angular may have files that must be emitted but TypeScript does not consider affected\n    for (const sourceFile of typeScriptProgram.getSourceFiles()) {\n      if (emittedFiles.has(sourceFile) || angularCompiler.ignoreForEmit.has(sourceFile)) {\n        continue;\n      }\n\n      if (sourceFile.isDeclarationFile) {\n        continue;\n      }\n\n      if (angularCompiler.incrementalCompilation.safeToSkipEmit(sourceFile)) {\n        continue;\n      }\n\n      typeScriptProgram.emit(sourceFile, writeFileCallback, undefined, undefined, transformers);\n    }\n\n    return emittedFiles.values();\n  }\n}\n\nfunction findAffectedFiles(\n  builder: ts.EmitAndSemanticDiagnosticsBuilderProgram,\n  { ignoreForDiagnostics }: ng.NgtscProgram['compiler'],\n  includeTTC: boolean,\n): Set<ts.SourceFile> {\n  const affectedFiles = new Set<ts.SourceFile>();\n\n  // eslint-disable-next-line no-constant-condition\n  while (true) {\n    const result = builder.getSemanticDiagnosticsOfNextAffectedFile(undefined, (sourceFile) => {\n      // If the affected file is a TTC shim, add the shim's original source file.\n      // This ensures that changes that affect TTC are typechecked even when the changes\n      // are otherwise unrelated from a TS perspective and do not result in Ivy codegen changes.\n      // For example, changing @Input property types of a directive used in another component's\n      // template.\n      // A TTC shim is a file that has been ignored for diagnostics and has a filename ending in `.ngtypecheck.ts`.\n      if (ignoreForDiagnostics.has(sourceFile) && sourceFile.fileName.endsWith('.ngtypecheck.ts')) {\n        // This file name conversion relies on internal compiler logic and should be converted\n        // to an official method when available. 15 is length of `.ngtypecheck.ts`\n        const originalFilename = sourceFile.fileName.slice(0, -15) + '.ts';\n        const originalSourceFile = builder.getSourceFile(originalFilename);\n        if (originalSourceFile) {\n          affectedFiles.add(originalSourceFile);\n        }\n\n        return true;\n      }\n\n      return false;\n    });\n\n    if (!result) {\n      break;\n    }\n\n    affectedFiles.add(result.affected as ts.SourceFile);\n  }\n\n  // Add all files with associated template type checking files.\n  // Stored TS build info does not have knowledge of the AOT compiler or the typechecking state of the templates.\n  // To ensure that errors are reported correctly, all AOT component diagnostics need to be analyzed even if build\n  // info is present.\n  if (includeTTC) {\n    for (const sourceFile of builder.getSourceFiles()) {\n      if (ignoreForDiagnostics.has(sourceFile) && sourceFile.fileName.endsWith('.ngtypecheck.ts')) {\n        // This file name conversion relies on internal compiler logic and should be converted\n        // to an official method when available. 15 is length of `.ngtypecheck.ts`\n        const originalFilename = sourceFile.fileName.slice(0, -15) + '.ts';\n        const originalSourceFile = builder.getSourceFile(originalFilename);\n        if (originalSourceFile) {\n          affectedFiles.add(originalSourceFile);\n        }\n      }\n    }\n  }\n\n  return affectedFiles;\n}\n"]}