ng-packagr/lib/ngc/compile-source-files.js.map

Compile and package Angular libraries in Angular Package Format (APF)

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{ CompilerOptions, ParsedConfiguration } from '@angular/compiler-cli';\nimport { join } from 'node:path';\nimport ts from 'typescript';\nimport { BuildGraph } from '../graph/build-graph';\nimport { EntryPointNode, PackageNode, isEntryPointInProgress, isPackage } from '../ng-package/nodes';\nimport { NgPackagrOptions } from '../ng-package/options.di';\nimport { StylesheetProcessor } from '../styles/stylesheet-processor';\nimport { augmentProgramWithVersioning, cacheCompilerHost } from '../ts/cache-compiler-host';\nimport { ngCompilerCli } from '../utils/load-esm';\nimport * as log from '../utils/log';\n\nexport async function compileSourceFiles(\n  graph: BuildGraph,\n  tsConfig: ParsedConfiguration,\n  moduleResolutionCache: ts.ModuleResolutionCache,\n  options: NgPackagrOptions,\n  extraOptions?: Partial<CompilerOptions>,\n  stylesheetProcessor?: StylesheetProcessor,\n) {\n  const { NgtscProgram, formatDiagnostics } = await ngCompilerCli();\n  const { cacheDirectory, watch, cacheEnabled } = options;\n  const tsConfigOptions: CompilerOptions = { ...tsConfig.options, ...extraOptions };\n  const entryPoint: EntryPointNode = graph.find(isEntryPointInProgress());\n  const ngPackageNode: PackageNode = graph.find(isPackage);\n  const inlineStyleLanguage = ngPackageNode.data.inlineStyleLanguage;\n\n  const cacheDir = cacheEnabled && cacheDirectory;\n  if (cacheDir) {\n    tsConfigOptions.incremental ??= true;\n    tsConfigOptions.tsBuildInfoFile ??= join(\n      cacheDir,\n      `tsbuildinfo/${entryPoint.data.entryPoint.flatModuleFile}.tsbuildinfo`,\n    );\n  }\n\n  const tsCompilerHost = cacheCompilerHost(\n    graph,\n    entryPoint,\n    tsConfigOptions,\n    moduleResolutionCache,\n    stylesheetProcessor,\n    inlineStyleLanguage,\n  );\n\n  const cache = entryPoint.cache;\n  const sourceFileCache = cache.sourcesFileCache;\n  let usingBuildInfo = false;\n\n  let oldBuilder = cache.oldBuilder;\n  if (!oldBuilder && cacheDir) {\n    oldBuilder = ts.readBuilderProgram(tsConfigOptions, tsCompilerHost);\n    usingBuildInfo = true;\n  }\n\n  // Create the Angular specific program that contains the Angular compiler\n  const angularProgram = new NgtscProgram(tsConfig.rootNames, tsConfigOptions, tsCompilerHost, cache.oldNgtscProgram);\n\n  const angularCompiler = angularProgram.compiler;\n  const { ignoreForDiagnostics, ignoreForEmit } = angularCompiler;\n\n  // SourceFile versions are required for builder programs.\n  // The wrapped host inside NgtscProgram adds additional files that will not have versions.\n  const typeScriptProgram = angularProgram.getTsProgram();\n  augmentProgramWithVersioning(typeScriptProgram);\n\n  let builder: ts.BuilderProgram | ts.EmitAndSemanticDiagnosticsBuilderProgram;\n  if (watch || cacheDir) {\n    builder = cache.oldBuilder = ts.createEmitAndSemanticDiagnosticsBuilderProgram(\n      typeScriptProgram,\n      tsCompilerHost,\n      oldBuilder,\n    );\n    cache.oldNgtscProgram = angularProgram;\n  } else {\n    builder = ts.createEmitAndSemanticDiagnosticsBuilderProgram(typeScriptProgram, tsCompilerHost);\n  }\n\n  // Update semantic diagnostics cache\n  const affectedFiles = new Set<ts.SourceFile>();\n\n  // Analyze affected files when in watch mode for incremental type checking\n  if ('getSemanticDiagnosticsOfNextAffectedFile' in builder) {\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        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 (usingBuildInfo) {\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\n  // Collect program level diagnostics\n  const allDiagnostics: ts.Diagnostic[] = [\n    ...angularCompiler.getOptionDiagnostics(),\n    ...builder.getOptionsDiagnostics(),\n    ...builder.getGlobalDiagnostics(),\n  ];\n\n  // Required to support asynchronous resource loading\n  // Must be done before creating transformers or getting template diagnostics\n  await angularCompiler.analyzeAsync();\n\n  // Collect source file specific diagnostics\n  for (const sourceFile of builder.getSourceFiles()) {\n    if (ignoreForDiagnostics.has(sourceFile)) {\n      continue;\n    }\n\n    allDiagnostics.push(\n      ...builder.getDeclarationDiagnostics(sourceFile),\n      ...builder.getSyntacticDiagnostics(sourceFile),\n      ...builder.getSemanticDiagnostics(sourceFile),\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 = angularCompiler.getDiagnosticsForFile(\n        sourceFile,\n        affectedFiles.size === 1 ? /** OptimizeFor.SingleFile **/ 0 : /** OptimizeFor.WholeProgram */ 1,\n      );\n\n      allDiagnostics.push(...angularDiagnostics);\n      sourceFileCache.updateAngularDiagnostics(sourceFile, angularDiagnostics);\n    }\n  }\n\n  const otherDiagnostics = [];\n  const errorDiagnostics = [];\n  for (const diagnostic of allDiagnostics) {\n    if (diagnostic.category === ts.DiagnosticCategory.Error) {\n      errorDiagnostics.push(diagnostic);\n    } else {\n      otherDiagnostics.push(diagnostic);\n    }\n  }\n\n  if (otherDiagnostics.length) {\n    log.msg(formatDiagnostics(errorDiagnostics));\n  }\n\n  if (errorDiagnostics.length) {\n    throw new Error(formatDiagnostics(errorDiagnostics));\n  }\n\n  const transformers = angularCompiler.prepareEmit().transformers;\n\n  if ('getSemanticDiagnosticsOfNextAffectedFile' in builder) {\n    while (\n      builder.emitNextAffectedFile((fileName, data, writeByteOrderMark, onError, sourceFiles) => {\n        if (fileName.endsWith('.tsbuildinfo')) {\n          tsCompilerHost.writeFile(fileName, data, writeByteOrderMark, onError, sourceFiles);\n        }\n      })\n    ) {\n      // empty\n    }\n  }\n\n  for (const sourceFile of builder.getSourceFiles()) {\n    if (ignoreForEmit.has(sourceFile)) {\n      continue;\n    }\n\n    if (angularCompiler.incrementalCompilation.safeToSkipEmit(sourceFile)) {\n      continue;\n    }\n\n    builder.emit(sourceFile, undefined, undefined, undefined, transformers);\n    angularCompiler.incrementalCompilation.recordSuccessfulEmit(sourceFile);\n  }\n}\n"]}