* Add support for configuration inheritance via packages * Fix lint * Propagate trace into config parse hosts
3058 lines
167 KiB
TypeScript
3058 lines
167 KiB
TypeScript
namespace ts {
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const ignoreDiagnosticCommentRegEx = /(^\s*$)|(^\s*\/\/\/?\s*(@ts-ignore)?)/;
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export function findConfigFile(searchPath: string, fileExists: (fileName: string) => boolean, configName = "tsconfig.json"): string | undefined {
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return forEachAncestorDirectory(searchPath, ancestor => {
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const fileName = combinePaths(ancestor, configName);
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return fileExists(fileName) ? fileName : undefined;
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});
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}
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export function resolveTripleslashReference(moduleName: string, containingFile: string): string {
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const basePath = getDirectoryPath(containingFile);
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const referencedFileName = isRootedDiskPath(moduleName) ? moduleName : combinePaths(basePath, moduleName);
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return normalizePath(referencedFileName);
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}
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/* @internal */
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export function computeCommonSourceDirectoryOfFilenames(fileNames: string[], currentDirectory: string, getCanonicalFileName: GetCanonicalFileName): string {
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let commonPathComponents: string[] | undefined;
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const failed = forEach(fileNames, sourceFile => {
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// Each file contributes into common source file path
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const sourcePathComponents = getNormalizedPathComponents(sourceFile, currentDirectory);
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sourcePathComponents.pop(); // The base file name is not part of the common directory path
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if (!commonPathComponents) {
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// first file
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commonPathComponents = sourcePathComponents;
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return;
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}
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const n = Math.min(commonPathComponents.length, sourcePathComponents.length);
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for (let i = 0; i < n; i++) {
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if (getCanonicalFileName(commonPathComponents[i]) !== getCanonicalFileName(sourcePathComponents[i])) {
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if (i === 0) {
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// Failed to find any common path component
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return true;
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}
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// New common path found that is 0 -> i-1
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commonPathComponents.length = i;
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break;
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}
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}
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// If the sourcePathComponents was shorter than the commonPathComponents, truncate to the sourcePathComponents
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if (sourcePathComponents.length < commonPathComponents.length) {
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commonPathComponents.length = sourcePathComponents.length;
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}
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});
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// A common path can not be found when paths span multiple drives on windows, for example
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if (failed) {
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return "";
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}
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if (!commonPathComponents) { // Can happen when all input files are .d.ts files
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return currentDirectory;
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}
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return getPathFromPathComponents(commonPathComponents);
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}
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interface OutputFingerprint {
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hash: string;
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byteOrderMark: boolean;
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mtime: Date;
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}
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export function createCompilerHost(options: CompilerOptions, setParentNodes?: boolean): CompilerHost {
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return createCompilerHostWorker(options, setParentNodes);
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}
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/*@internal*/
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// TODO(shkamat): update this after reworking ts build API
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export function createCompilerHostWorker(options: CompilerOptions, setParentNodes?: boolean, system = sys): CompilerHost {
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const existingDirectories = createMap<boolean>();
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function getCanonicalFileName(fileName: string): string {
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// if underlying system can distinguish between two files whose names differs only in cases then file name already in canonical form.
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// otherwise use toLowerCase as a canonical form.
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return system.useCaseSensitiveFileNames ? fileName : fileName.toLowerCase();
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}
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function getSourceFile(fileName: string, languageVersion: ScriptTarget, onError?: (message: string) => void): SourceFile | undefined {
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let text: string | undefined;
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try {
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performance.mark("beforeIORead");
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text = system.readFile(fileName, options.charset);
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performance.mark("afterIORead");
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performance.measure("I/O Read", "beforeIORead", "afterIORead");
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}
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catch (e) {
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if (onError) {
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onError(e.message);
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}
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text = "";
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}
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return text !== undefined ? createSourceFile(fileName, text, languageVersion, setParentNodes) : undefined;
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}
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function directoryExists(directoryPath: string): boolean {
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if (existingDirectories.has(directoryPath)) {
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return true;
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}
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if (system.directoryExists(directoryPath)) {
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existingDirectories.set(directoryPath, true);
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return true;
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}
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return false;
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}
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function ensureDirectoriesExist(directoryPath: string) {
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if (directoryPath.length > getRootLength(directoryPath) && !directoryExists(directoryPath)) {
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const parentDirectory = getDirectoryPath(directoryPath);
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ensureDirectoriesExist(parentDirectory);
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system.createDirectory(directoryPath);
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}
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}
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let outputFingerprints: Map<OutputFingerprint>;
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function writeFileIfUpdated(fileName: string, data: string, writeByteOrderMark: boolean): void {
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if (!outputFingerprints) {
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outputFingerprints = createMap<OutputFingerprint>();
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}
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const hash = system.createHash!(data); // TODO: GH#18217
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const mtimeBefore = system.getModifiedTime!(fileName); // TODO: GH#18217
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if (mtimeBefore) {
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const fingerprint = outputFingerprints.get(fileName);
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// If output has not been changed, and the file has no external modification
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if (fingerprint &&
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fingerprint.byteOrderMark === writeByteOrderMark &&
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fingerprint.hash === hash &&
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fingerprint.mtime.getTime() === mtimeBefore.getTime()) {
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return;
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}
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}
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system.writeFile(fileName, data, writeByteOrderMark);
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const mtimeAfter = system.getModifiedTime!(fileName) || missingFileModifiedTime; // TODO: GH#18217
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outputFingerprints.set(fileName, {
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hash,
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byteOrderMark: writeByteOrderMark,
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mtime: mtimeAfter
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});
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}
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function writeFile(fileName: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void) {
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try {
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performance.mark("beforeIOWrite");
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ensureDirectoriesExist(getDirectoryPath(normalizePath(fileName)));
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if (isWatchSet(options) && system.createHash && system.getModifiedTime) {
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writeFileIfUpdated(fileName, data, writeByteOrderMark);
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}
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else {
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system.writeFile(fileName, data, writeByteOrderMark);
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}
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performance.mark("afterIOWrite");
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performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite");
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}
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catch (e) {
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if (onError) {
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onError(e.message);
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}
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}
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}
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function getDefaultLibLocation(): string {
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return getDirectoryPath(normalizePath(system.getExecutingFilePath()));
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}
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const newLine = getNewLineCharacter(options, () => system.newLine);
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const realpath = system.realpath && ((path: string) => system.realpath!(path));
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return {
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getSourceFile,
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getDefaultLibLocation,
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getDefaultLibFileName: options => combinePaths(getDefaultLibLocation(), getDefaultLibFileName(options)),
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writeFile,
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getCurrentDirectory: memoize(() => system.getCurrentDirectory()),
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useCaseSensitiveFileNames: () => system.useCaseSensitiveFileNames,
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getCanonicalFileName,
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getNewLine: () => newLine,
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fileExists: fileName => system.fileExists(fileName),
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readFile: fileName => system.readFile(fileName),
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trace: (s: string) => system.write(s + newLine),
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directoryExists: directoryName => system.directoryExists(directoryName),
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getEnvironmentVariable: name => system.getEnvironmentVariable ? system.getEnvironmentVariable(name) : "",
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getDirectories: (path: string) => system.getDirectories(path),
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realpath,
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readDirectory: (path, extensions, include, exclude, depth) => system.readDirectory(path, extensions, include, exclude, depth)
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};
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}
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export function getPreEmitDiagnostics(program: Program, sourceFile?: SourceFile, cancellationToken?: CancellationToken): Diagnostic[] {
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const diagnostics = [
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...program.getConfigFileParsingDiagnostics(),
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...program.getOptionsDiagnostics(cancellationToken),
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...program.getSyntacticDiagnostics(sourceFile, cancellationToken),
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...program.getGlobalDiagnostics(cancellationToken),
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...program.getSemanticDiagnostics(sourceFile, cancellationToken)
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];
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if (getEmitDeclarations(program.getCompilerOptions())) {
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addRange(diagnostics, program.getDeclarationDiagnostics(sourceFile, cancellationToken));
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}
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return sortAndDeduplicateDiagnostics(diagnostics);
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}
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export interface FormatDiagnosticsHost {
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getCurrentDirectory(): string;
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getCanonicalFileName(fileName: string): string;
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getNewLine(): string;
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}
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export function formatDiagnostics(diagnostics: ReadonlyArray<Diagnostic>, host: FormatDiagnosticsHost): string {
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let output = "";
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for (const diagnostic of diagnostics) {
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output += formatDiagnostic(diagnostic, host);
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}
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return output;
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}
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export function formatDiagnostic(diagnostic: Diagnostic, host: FormatDiagnosticsHost): string {
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const errorMessage = `${diagnosticCategoryName(diagnostic)} TS${diagnostic.code}: ${flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine())}${host.getNewLine()}`;
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if (diagnostic.file) {
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const { line, character } = getLineAndCharacterOfPosition(diagnostic.file, diagnostic.start!); // TODO: GH#18217
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const fileName = diagnostic.file.fileName;
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const relativeFileName = convertToRelativePath(fileName, host.getCurrentDirectory(), fileName => host.getCanonicalFileName(fileName));
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return `${relativeFileName}(${line + 1},${character + 1}): ` + errorMessage;
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}
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return errorMessage;
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}
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/** @internal */
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export enum ForegroundColorEscapeSequences {
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Grey = "\u001b[90m",
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Red = "\u001b[91m",
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Yellow = "\u001b[93m",
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Blue = "\u001b[94m",
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Cyan = "\u001b[96m"
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}
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const gutterStyleSequence = "\u001b[7m";
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const gutterSeparator = " ";
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const resetEscapeSequence = "\u001b[0m";
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const ellipsis = "...";
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const halfIndent = " ";
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const indent = " ";
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function getCategoryFormat(category: DiagnosticCategory): ForegroundColorEscapeSequences {
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switch (category) {
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case DiagnosticCategory.Error: return ForegroundColorEscapeSequences.Red;
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case DiagnosticCategory.Warning: return ForegroundColorEscapeSequences.Yellow;
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case DiagnosticCategory.Suggestion: return Debug.fail("Should never get an Info diagnostic on the command line.");
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case DiagnosticCategory.Message: return ForegroundColorEscapeSequences.Blue;
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}
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}
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/** @internal */
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export function formatColorAndReset(text: string, formatStyle: string) {
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return formatStyle + text + resetEscapeSequence;
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}
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function padLeft(s: string, length: number) {
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while (s.length < length) {
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s = " " + s;
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}
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return s;
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}
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function formatCodeSpan(file: SourceFile, start: number, length: number, indent: string, squiggleColor: ForegroundColorEscapeSequences, host: FormatDiagnosticsHost) {
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const { line: firstLine, character: firstLineChar } = getLineAndCharacterOfPosition(file, start);
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const { line: lastLine, character: lastLineChar } = getLineAndCharacterOfPosition(file, start + length);
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const lastLineInFile = getLineAndCharacterOfPosition(file, file.text.length).line;
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const hasMoreThanFiveLines = (lastLine - firstLine) >= 4;
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let gutterWidth = (lastLine + 1 + "").length;
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if (hasMoreThanFiveLines) {
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gutterWidth = Math.max(ellipsis.length, gutterWidth);
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}
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let context = "";
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for (let i = firstLine; i <= lastLine; i++) {
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context += host.getNewLine();
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// If the error spans over 5 lines, we'll only show the first 2 and last 2 lines,
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// so we'll skip ahead to the second-to-last line.
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if (hasMoreThanFiveLines && firstLine + 1 < i && i < lastLine - 1) {
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context += indent + formatColorAndReset(padLeft(ellipsis, gutterWidth), gutterStyleSequence) + gutterSeparator + host.getNewLine();
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i = lastLine - 1;
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}
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const lineStart = getPositionOfLineAndCharacter(file, i, 0);
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const lineEnd = i < lastLineInFile ? getPositionOfLineAndCharacter(file, i + 1, 0) : file.text.length;
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let lineContent = file.text.slice(lineStart, lineEnd);
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lineContent = lineContent.replace(/\s+$/g, ""); // trim from end
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lineContent = lineContent.replace("\t", " "); // convert tabs to single spaces
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// Output the gutter and the actual contents of the line.
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context += indent + formatColorAndReset(padLeft(i + 1 + "", gutterWidth), gutterStyleSequence) + gutterSeparator;
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context += lineContent + host.getNewLine();
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// Output the gutter and the error span for the line using tildes.
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context += indent + formatColorAndReset(padLeft("", gutterWidth), gutterStyleSequence) + gutterSeparator;
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context += squiggleColor;
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if (i === firstLine) {
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// If we're on the last line, then limit it to the last character of the last line.
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// Otherwise, we'll just squiggle the rest of the line, giving 'slice' no end position.
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const lastCharForLine = i === lastLine ? lastLineChar : undefined;
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context += lineContent.slice(0, firstLineChar).replace(/\S/g, " ");
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context += lineContent.slice(firstLineChar, lastCharForLine).replace(/./g, "~");
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}
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else if (i === lastLine) {
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context += lineContent.slice(0, lastLineChar).replace(/./g, "~");
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}
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else {
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// Squiggle the entire line.
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context += lineContent.replace(/./g, "~");
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}
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context += resetEscapeSequence;
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}
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return context;
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}
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/* @internal */
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export function formatLocation(file: SourceFile, start: number, host: FormatDiagnosticsHost, color = formatColorAndReset) {
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const { line: firstLine, character: firstLineChar } = getLineAndCharacterOfPosition(file, start); // TODO: GH#18217
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const relativeFileName = host ? convertToRelativePath(file.fileName, host.getCurrentDirectory(), fileName => host.getCanonicalFileName(fileName)) : file.fileName;
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let output = "";
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output += color(relativeFileName, ForegroundColorEscapeSequences.Cyan);
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output += ":";
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output += color(`${firstLine + 1}`, ForegroundColorEscapeSequences.Yellow);
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output += ":";
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output += color(`${firstLineChar + 1}`, ForegroundColorEscapeSequences.Yellow);
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return output;
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}
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export function formatDiagnosticsWithColorAndContext(diagnostics: ReadonlyArray<Diagnostic>, host: FormatDiagnosticsHost): string {
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let output = "";
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for (const diagnostic of diagnostics) {
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if (diagnostic.file) {
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const { file, start } = diagnostic;
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output += formatLocation(file, start!, host); // TODO: GH#18217
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output += " - ";
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}
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output += formatColorAndReset(diagnosticCategoryName(diagnostic), getCategoryFormat(diagnostic.category));
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output += formatColorAndReset(` TS${diagnostic.code}: `, ForegroundColorEscapeSequences.Grey);
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output += flattenDiagnosticMessageText(diagnostic.messageText, host.getNewLine());
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if (diagnostic.file) {
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output += host.getNewLine();
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output += formatCodeSpan(diagnostic.file, diagnostic.start!, diagnostic.length!, "", getCategoryFormat(diagnostic.category), host); // TODO: GH#18217
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if (diagnostic.relatedInformation) {
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output += host.getNewLine();
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for (const { file, start, length, messageText } of diagnostic.relatedInformation) {
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if (file) {
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output += host.getNewLine();
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output += halfIndent + formatLocation(file, start!, host); // TODO: GH#18217
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output += formatCodeSpan(file, start!, length!, indent, ForegroundColorEscapeSequences.Cyan, host); // TODO: GH#18217
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}
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output += host.getNewLine();
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output += indent + flattenDiagnosticMessageText(messageText, host.getNewLine());
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}
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}
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}
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output += host.getNewLine();
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}
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return output;
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}
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export function flattenDiagnosticMessageText(messageText: string | DiagnosticMessageChain | undefined, newLine: string): string {
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if (isString(messageText)) {
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return messageText;
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}
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else {
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let diagnosticChain = messageText;
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let result = "";
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let indent = 0;
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while (diagnosticChain) {
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if (indent) {
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result += newLine;
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for (let i = 0; i < indent; i++) {
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result += " ";
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}
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}
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result += diagnosticChain.messageText;
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indent++;
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diagnosticChain = diagnosticChain.next;
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}
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return result;
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}
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}
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function loadWithLocalCache<T>(names: string[], containingFile: string, redirectedReference: ResolvedProjectReference | undefined, loader: (name: string, containingFile: string, redirectedReference: ResolvedProjectReference | undefined) => T): T[] {
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if (names.length === 0) {
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return [];
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}
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const resolutions: T[] = [];
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const cache = createMap<T>();
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for (const name of names) {
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let result: T;
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if (cache.has(name)) {
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result = cache.get(name)!;
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}
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else {
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cache.set(name, result = loader(name, containingFile, redirectedReference));
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}
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resolutions.push(result);
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}
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return resolutions;
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}
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interface DiagnosticCache<T extends Diagnostic> {
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perFile?: Map<T[]>;
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allDiagnostics?: Diagnostic[];
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}
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/**
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* Determines if program structure is upto date or needs to be recreated
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*/
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/* @internal */
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export function isProgramUptoDate(
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program: Program | undefined,
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rootFileNames: string[],
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newOptions: CompilerOptions,
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getSourceVersion: (path: Path) => string | undefined,
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fileExists: (fileName: string) => boolean,
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hasInvalidatedResolution: HasInvalidatedResolution,
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hasChangedAutomaticTypeDirectiveNames: boolean,
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projectReferences: ReadonlyArray<ProjectReference> | undefined
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): boolean {
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// If we haven't created a program yet or have changed automatic type directives, then it is not up-to-date
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if (!program || hasChangedAutomaticTypeDirectiveNames) {
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return false;
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}
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// If number of files in the program do not match, it is not up-to-date
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if (program.getRootFileNames().length !== rootFileNames.length) {
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return false;
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}
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let seenResolvedRefs: ResolvedProjectReference[] | undefined;
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// If project references dont match
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if (!arrayIsEqualTo(program.getProjectReferences(), projectReferences, projectReferenceUptoDate)) {
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return false;
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}
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// If any file is not up-to-date, then the whole program is not up-to-date
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if (program.getSourceFiles().some(sourceFileNotUptoDate)) {
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return false;
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}
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// If any of the missing file paths are now created
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if (program.getMissingFilePaths().some(fileExists)) {
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return false;
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}
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const currentOptions = program.getCompilerOptions();
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// If the compilation settings do no match, then the program is not up-to-date
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if (!compareDataObjects(currentOptions, newOptions)) {
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return false;
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}
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// If everything matches but the text of config file is changed,
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// error locations can change for program options, so update the program
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if (currentOptions.configFile && newOptions.configFile) {
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return currentOptions.configFile.text === newOptions.configFile.text;
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}
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return true;
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function sourceFileNotUptoDate(sourceFile: SourceFile) {
|
|
return !sourceFileVersionUptoDate(sourceFile) ||
|
|
hasInvalidatedResolution(sourceFile.path);
|
|
}
|
|
|
|
function sourceFileVersionUptoDate(sourceFile: SourceFile) {
|
|
return sourceFile.version === getSourceVersion(sourceFile.resolvedPath);
|
|
}
|
|
|
|
function projectReferenceUptoDate(oldRef: ProjectReference, newRef: ProjectReference, index: number) {
|
|
if (!projectReferenceIsEqualTo(oldRef, newRef)) {
|
|
return false;
|
|
}
|
|
return resolvedProjectReferenceUptoDate(program!.getResolvedProjectReferences()![index], oldRef);
|
|
}
|
|
|
|
function resolvedProjectReferenceUptoDate(oldResolvedRef: ResolvedProjectReference | undefined, oldRef: ProjectReference): boolean {
|
|
if (oldResolvedRef) {
|
|
if (contains(seenResolvedRefs, oldResolvedRef)) {
|
|
// Assume true
|
|
return true;
|
|
}
|
|
|
|
// If sourceFile for the oldResolvedRef existed, check the version for uptodate
|
|
if (!sourceFileVersionUptoDate(oldResolvedRef.sourceFile)) {
|
|
return false;
|
|
}
|
|
|
|
// Add to seen before checking the referenced paths of this config file
|
|
(seenResolvedRefs || (seenResolvedRefs = [])).push(oldResolvedRef);
|
|
|
|
// If child project references are upto date, this project reference is uptodate
|
|
return !forEach(oldResolvedRef.references, (childResolvedRef, index) =>
|
|
!resolvedProjectReferenceUptoDate(childResolvedRef, oldResolvedRef.commandLine.projectReferences![index]));
|
|
}
|
|
|
|
// In old program, not able to resolve project reference path,
|
|
// so if config file doesnt exist, it is uptodate.
|
|
return !fileExists(resolveProjectReferencePath(oldRef));
|
|
}
|
|
}
|
|
|
|
export function getConfigFileParsingDiagnostics(configFileParseResult: ParsedCommandLine): ReadonlyArray<Diagnostic> {
|
|
return configFileParseResult.options.configFile ?
|
|
[...configFileParseResult.options.configFile.parseDiagnostics, ...configFileParseResult.errors] :
|
|
configFileParseResult.errors;
|
|
}
|
|
|
|
/**
|
|
* Determine if source file needs to be re-created even if its text hasn't changed
|
|
*/
|
|
function shouldProgramCreateNewSourceFiles(program: Program | undefined, newOptions: CompilerOptions): boolean {
|
|
if (!program) return false;
|
|
// If any compiler options change, we can't reuse old source file even if version match
|
|
// The change in options like these could result in change in syntax tree or `sourceFile.bindDiagnostics`.
|
|
const oldOptions = program.getCompilerOptions();
|
|
return !!sourceFileAffectingCompilerOptions.some(option =>
|
|
!isJsonEqual(getCompilerOptionValue(oldOptions, option), getCompilerOptionValue(newOptions, option)));
|
|
}
|
|
|
|
function createCreateProgramOptions(rootNames: ReadonlyArray<string>, options: CompilerOptions, host?: CompilerHost, oldProgram?: Program, configFileParsingDiagnostics?: ReadonlyArray<Diagnostic>): CreateProgramOptions {
|
|
return {
|
|
rootNames,
|
|
options,
|
|
host,
|
|
oldProgram,
|
|
configFileParsingDiagnostics
|
|
};
|
|
}
|
|
|
|
/**
|
|
* Create a new 'Program' instance. A Program is an immutable collection of 'SourceFile's and a 'CompilerOptions'
|
|
* that represent a compilation unit.
|
|
*
|
|
* Creating a program proceeds from a set of root files, expanding the set of inputs by following imports and
|
|
* triple-slash-reference-path directives transitively. '@types' and triple-slash-reference-types are also pulled in.
|
|
*
|
|
* @param createProgramOptions - The options for creating a program.
|
|
* @returns A 'Program' object.
|
|
*/
|
|
export function createProgram(createProgramOptions: CreateProgramOptions): Program;
|
|
/**
|
|
* Create a new 'Program' instance. A Program is an immutable collection of 'SourceFile's and a 'CompilerOptions'
|
|
* that represent a compilation unit.
|
|
*
|
|
* Creating a program proceeds from a set of root files, expanding the set of inputs by following imports and
|
|
* triple-slash-reference-path directives transitively. '@types' and triple-slash-reference-types are also pulled in.
|
|
*
|
|
* @param rootNames - A set of root files.
|
|
* @param options - The compiler options which should be used.
|
|
* @param host - The host interacts with the underlying file system.
|
|
* @param oldProgram - Reuses an old program structure.
|
|
* @param configFileParsingDiagnostics - error during config file parsing
|
|
* @returns A 'Program' object.
|
|
*/
|
|
export function createProgram(rootNames: ReadonlyArray<string>, options: CompilerOptions, host?: CompilerHost, oldProgram?: Program, configFileParsingDiagnostics?: ReadonlyArray<Diagnostic>): Program;
|
|
export function createProgram(rootNamesOrOptions: ReadonlyArray<string> | CreateProgramOptions, _options?: CompilerOptions, _host?: CompilerHost, _oldProgram?: Program, _configFileParsingDiagnostics?: ReadonlyArray<Diagnostic>): Program {
|
|
const createProgramOptions = isArray(rootNamesOrOptions) ? createCreateProgramOptions(rootNamesOrOptions, _options!, _host, _oldProgram, _configFileParsingDiagnostics) : rootNamesOrOptions; // TODO: GH#18217
|
|
const { rootNames, options, configFileParsingDiagnostics, projectReferences } = createProgramOptions;
|
|
let { oldProgram } = createProgramOptions;
|
|
|
|
let program: Program;
|
|
let processingDefaultLibFiles: SourceFile[] | undefined;
|
|
let processingOtherFiles: SourceFile[] | undefined;
|
|
let files: SourceFile[];
|
|
let commonSourceDirectory: string;
|
|
let diagnosticsProducingTypeChecker: TypeChecker;
|
|
let noDiagnosticsTypeChecker: TypeChecker;
|
|
let classifiableNames: UnderscoreEscapedMap<true>;
|
|
let modifiedFilePaths: Path[] | undefined;
|
|
|
|
const cachedSemanticDiagnosticsForFile: DiagnosticCache<Diagnostic> = {};
|
|
const cachedDeclarationDiagnosticsForFile: DiagnosticCache<DiagnosticWithLocation> = {};
|
|
|
|
let resolvedTypeReferenceDirectives = createMap<ResolvedTypeReferenceDirective | undefined>();
|
|
let fileProcessingDiagnostics = createDiagnosticCollection();
|
|
|
|
// The below settings are to track if a .js file should be add to the program if loaded via searching under node_modules.
|
|
// This works as imported modules are discovered recursively in a depth first manner, specifically:
|
|
// - For each root file, findSourceFile is called.
|
|
// - This calls processImportedModules for each module imported in the source file.
|
|
// - This calls resolveModuleNames, and then calls findSourceFile for each resolved module.
|
|
// As all these operations happen - and are nested - within the createProgram call, they close over the below variables.
|
|
// The current resolution depth is tracked by incrementing/decrementing as the depth first search progresses.
|
|
const maxNodeModuleJsDepth = typeof options.maxNodeModuleJsDepth === "number" ? options.maxNodeModuleJsDepth : 0;
|
|
let currentNodeModulesDepth = 0;
|
|
|
|
// If a module has some of its imports skipped due to being at the depth limit under node_modules, then track
|
|
// this, as it may be imported at a shallower depth later, and then it will need its skipped imports processed.
|
|
const modulesWithElidedImports = createMap<boolean>();
|
|
|
|
// Track source files that are source files found by searching under node_modules, as these shouldn't be compiled.
|
|
const sourceFilesFoundSearchingNodeModules = createMap<boolean>();
|
|
|
|
performance.mark("beforeProgram");
|
|
|
|
const host = createProgramOptions.host || createCompilerHost(options);
|
|
const configParsingHost = parseConfigHostFromCompilerHost(host);
|
|
|
|
let skipDefaultLib = options.noLib;
|
|
const getDefaultLibraryFileName = memoize(() => host.getDefaultLibFileName(options));
|
|
const defaultLibraryPath = host.getDefaultLibLocation ? host.getDefaultLibLocation() : getDirectoryPath(getDefaultLibraryFileName());
|
|
const programDiagnostics = createDiagnosticCollection();
|
|
const currentDirectory = host.getCurrentDirectory();
|
|
const supportedExtensions = getSupportedExtensions(options);
|
|
const supportedExtensionsWithJsonIfResolveJsonModule = getSuppoertedExtensionsWithJsonIfResolveJsonModule(options, supportedExtensions);
|
|
|
|
// Map storing if there is emit blocking diagnostics for given input
|
|
const hasEmitBlockingDiagnostics = createMap<boolean>();
|
|
let _compilerOptionsObjectLiteralSyntax: ObjectLiteralExpression | null | undefined;
|
|
|
|
let moduleResolutionCache: ModuleResolutionCache | undefined;
|
|
let resolveModuleNamesWorker: (moduleNames: string[], containingFile: string, reusedNames?: string[], redirectedReference?: ResolvedProjectReference) => ResolvedModuleFull[];
|
|
const hasInvalidatedResolution = host.hasInvalidatedResolution || returnFalse;
|
|
if (host.resolveModuleNames) {
|
|
resolveModuleNamesWorker = (moduleNames, containingFile, reusedNames, redirectedReference) => host.resolveModuleNames!(Debug.assertEachDefined(moduleNames), containingFile, reusedNames, redirectedReference).map(resolved => {
|
|
// An older host may have omitted extension, in which case we should infer it from the file extension of resolvedFileName.
|
|
if (!resolved || (resolved as ResolvedModuleFull).extension !== undefined) {
|
|
return resolved as ResolvedModuleFull;
|
|
}
|
|
const withExtension = clone(resolved) as ResolvedModuleFull;
|
|
withExtension.extension = extensionFromPath(resolved.resolvedFileName);
|
|
return withExtension;
|
|
});
|
|
}
|
|
else {
|
|
moduleResolutionCache = createModuleResolutionCache(currentDirectory, x => host.getCanonicalFileName(x));
|
|
const loader = (moduleName: string, containingFile: string, redirectedReference: ResolvedProjectReference | undefined) => resolveModuleName(moduleName, containingFile, options, host, moduleResolutionCache, redirectedReference).resolvedModule!; // TODO: GH#18217
|
|
resolveModuleNamesWorker = (moduleNames, containingFile, _reusedNames, redirectedReference) => loadWithLocalCache<ResolvedModuleFull>(Debug.assertEachDefined(moduleNames), containingFile, redirectedReference, loader);
|
|
}
|
|
|
|
let resolveTypeReferenceDirectiveNamesWorker: (typeDirectiveNames: string[], containingFile: string, redirectedReference?: ResolvedProjectReference) => (ResolvedTypeReferenceDirective | undefined)[];
|
|
if (host.resolveTypeReferenceDirectives) {
|
|
resolveTypeReferenceDirectiveNamesWorker = (typeDirectiveNames, containingFile, redirectedReference) => host.resolveTypeReferenceDirectives!(Debug.assertEachDefined(typeDirectiveNames), containingFile, redirectedReference);
|
|
}
|
|
else {
|
|
const loader = (typesRef: string, containingFile: string, redirectedReference: ResolvedProjectReference | undefined) => resolveTypeReferenceDirective(typesRef, containingFile, options, host, redirectedReference).resolvedTypeReferenceDirective!; // TODO: GH#18217
|
|
resolveTypeReferenceDirectiveNamesWorker = (typeReferenceDirectiveNames, containingFile, redirectedReference) => loadWithLocalCache<ResolvedTypeReferenceDirective>(Debug.assertEachDefined(typeReferenceDirectiveNames), containingFile, redirectedReference, loader);
|
|
}
|
|
|
|
// Map from a stringified PackageId to the source file with that id.
|
|
// Only one source file may have a given packageId. Others become redirects (see createRedirectSourceFile).
|
|
// `packageIdToSourceFile` is only used while building the program, while `sourceFileToPackageName` and `isSourceFileTargetOfRedirect` are kept around.
|
|
const packageIdToSourceFile = createMap<SourceFile>();
|
|
// Maps from a SourceFile's `.path` to the name of the package it was imported with.
|
|
let sourceFileToPackageName = createMap<string>();
|
|
// Key is a file name. Value is the (non-empty, or undefined) list of files that redirect to it.
|
|
let redirectTargetsMap = createMultiMap<string>();
|
|
|
|
const filesByName = createMap<SourceFile | undefined>();
|
|
let missingFilePaths: ReadonlyArray<Path> | undefined;
|
|
// stores 'filename -> file association' ignoring case
|
|
// used to track cases when two file names differ only in casing
|
|
const filesByNameIgnoreCase = host.useCaseSensitiveFileNames() ? createMap<SourceFile>() : undefined;
|
|
|
|
// A parallel array to projectReferences storing the results of reading in the referenced tsconfig files
|
|
let resolvedProjectReferences: ReadonlyArray<ResolvedProjectReference | undefined> | undefined;
|
|
let projectReferenceRedirects: Map<ResolvedProjectReference | false> | undefined;
|
|
|
|
const shouldCreateNewSourceFile = shouldProgramCreateNewSourceFiles(oldProgram, options);
|
|
const structuralIsReused = tryReuseStructureFromOldProgram();
|
|
if (structuralIsReused !== StructureIsReused.Completely) {
|
|
processingDefaultLibFiles = [];
|
|
processingOtherFiles = [];
|
|
|
|
if (projectReferences) {
|
|
if (!resolvedProjectReferences) {
|
|
resolvedProjectReferences = projectReferences.map(parseProjectReferenceConfigFile);
|
|
}
|
|
for (const parsedRef of resolvedProjectReferences) {
|
|
if (parsedRef) {
|
|
const out = parsedRef.commandLine.options.outFile || parsedRef.commandLine.options.out;
|
|
if (out) {
|
|
const dtsOutfile = changeExtension(out, ".d.ts");
|
|
processSourceFile(dtsOutfile, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, /*packageId*/ undefined);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
forEach(rootNames, name => processRootFile(name, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false));
|
|
|
|
// load type declarations specified via 'types' argument or implicitly from types/ and node_modules/@types folders
|
|
const typeReferences: string[] = getAutomaticTypeDirectiveNames(options, host);
|
|
|
|
if (typeReferences.length) {
|
|
// This containingFilename needs to match with the one used in managed-side
|
|
const containingDirectory = options.configFilePath ? getDirectoryPath(options.configFilePath) : host.getCurrentDirectory();
|
|
const containingFilename = combinePaths(containingDirectory, "__inferred type names__.ts");
|
|
const resolutions = resolveTypeReferenceDirectiveNamesWorker(typeReferences, containingFilename);
|
|
for (let i = 0; i < typeReferences.length; i++) {
|
|
processTypeReferenceDirective(typeReferences[i], resolutions[i]);
|
|
}
|
|
}
|
|
|
|
// Do not process the default library if:
|
|
// - The '--noLib' flag is used.
|
|
// - A 'no-default-lib' reference comment is encountered in
|
|
// processing the root files.
|
|
if (!skipDefaultLib) {
|
|
// If '--lib' is not specified, include default library file according to '--target'
|
|
// otherwise, using options specified in '--lib' instead of '--target' default library file
|
|
const defaultLibraryFileName = getDefaultLibraryFileName();
|
|
if (!options.lib && defaultLibraryFileName) {
|
|
processRootFile(defaultLibraryFileName, /*isDefaultLib*/ true, /*ignoreNoDefaultLib*/ false);
|
|
}
|
|
else {
|
|
forEach(options.lib, libFileName => {
|
|
processRootFile(combinePaths(defaultLibraryPath, libFileName), /*isDefaultLib*/ true, /*ignoreNoDefaultLib*/ false);
|
|
});
|
|
}
|
|
}
|
|
|
|
missingFilePaths = arrayFrom(filesByName.keys(), p => <Path>p).filter(p => !filesByName.get(p));
|
|
files = stableSort(processingDefaultLibFiles, compareDefaultLibFiles).concat(processingOtherFiles);
|
|
processingDefaultLibFiles = undefined;
|
|
processingOtherFiles = undefined;
|
|
}
|
|
|
|
Debug.assert(!!missingFilePaths);
|
|
|
|
// Release any files we have acquired in the old program but are
|
|
// not part of the new program.
|
|
if (oldProgram && host.onReleaseOldSourceFile) {
|
|
const oldSourceFiles = oldProgram.getSourceFiles();
|
|
for (const oldSourceFile of oldSourceFiles) {
|
|
const newFile = getSourceFileByPath(oldSourceFile.resolvedPath);
|
|
if (shouldCreateNewSourceFile || !newFile ||
|
|
// old file wasnt redirect but new file is
|
|
(oldSourceFile.resolvedPath === oldSourceFile.path && newFile.resolvedPath !== oldSourceFile.path)) {
|
|
host.onReleaseOldSourceFile(oldSourceFile, oldProgram.getCompilerOptions(), !!getSourceFileByPath(oldSourceFile.path));
|
|
}
|
|
}
|
|
oldProgram.forEachResolvedProjectReference((resolvedProjectReference, resolvedProjectReferencePath) => {
|
|
if (resolvedProjectReference && !getResolvedProjectReferenceByPath(resolvedProjectReferencePath)) {
|
|
host.onReleaseOldSourceFile!(resolvedProjectReference.sourceFile, oldProgram!.getCompilerOptions(), /*hasSourceFileByPath*/ false);
|
|
}
|
|
});
|
|
}
|
|
|
|
// unconditionally set oldProgram to undefined to prevent it from being captured in closure
|
|
oldProgram = undefined;
|
|
|
|
program = {
|
|
getRootFileNames: () => rootNames,
|
|
getSourceFile,
|
|
getSourceFileByPath,
|
|
getSourceFiles: () => files,
|
|
getMissingFilePaths: () => missingFilePaths!, // TODO: GH#18217
|
|
getCompilerOptions: () => options,
|
|
getSyntacticDiagnostics,
|
|
getOptionsDiagnostics,
|
|
getGlobalDiagnostics,
|
|
getSemanticDiagnostics,
|
|
getSuggestionDiagnostics,
|
|
getDeclarationDiagnostics,
|
|
getTypeChecker,
|
|
getClassifiableNames,
|
|
getDiagnosticsProducingTypeChecker,
|
|
getCommonSourceDirectory,
|
|
emit,
|
|
getCurrentDirectory: () => currentDirectory,
|
|
getNodeCount: () => getDiagnosticsProducingTypeChecker().getNodeCount(),
|
|
getIdentifierCount: () => getDiagnosticsProducingTypeChecker().getIdentifierCount(),
|
|
getSymbolCount: () => getDiagnosticsProducingTypeChecker().getSymbolCount(),
|
|
getTypeCount: () => getDiagnosticsProducingTypeChecker().getTypeCount(),
|
|
getFileProcessingDiagnostics: () => fileProcessingDiagnostics,
|
|
getResolvedTypeReferenceDirectives: () => resolvedTypeReferenceDirectives,
|
|
isSourceFileFromExternalLibrary,
|
|
isSourceFileDefaultLibrary,
|
|
dropDiagnosticsProducingTypeChecker,
|
|
getSourceFileFromReference,
|
|
getLibFileFromReference,
|
|
sourceFileToPackageName,
|
|
redirectTargetsMap,
|
|
isEmittedFile,
|
|
getConfigFileParsingDiagnostics,
|
|
getResolvedModuleWithFailedLookupLocationsFromCache,
|
|
getProjectReferences,
|
|
getResolvedProjectReferences,
|
|
getProjectReferenceRedirect,
|
|
getResolvedProjectReferenceToRedirect,
|
|
getResolvedProjectReferenceByPath,
|
|
forEachResolvedProjectReference
|
|
};
|
|
|
|
verifyCompilerOptions();
|
|
performance.mark("afterProgram");
|
|
performance.measure("Program", "beforeProgram", "afterProgram");
|
|
|
|
return program;
|
|
|
|
function compareDefaultLibFiles(a: SourceFile, b: SourceFile) {
|
|
return compareValues(getDefaultLibFilePriority(a), getDefaultLibFilePriority(b));
|
|
}
|
|
|
|
function getDefaultLibFilePriority(a: SourceFile) {
|
|
if (containsPath(defaultLibraryPath, a.fileName, /*ignoreCase*/ false)) {
|
|
const basename = getBaseFileName(a.fileName);
|
|
if (basename === "lib.d.ts" || basename === "lib.es6.d.ts") return 0;
|
|
const name = removeSuffix(removePrefix(basename, "lib."), ".d.ts");
|
|
const index = libs.indexOf(name);
|
|
if (index !== -1) return index + 1;
|
|
}
|
|
return libs.length + 2;
|
|
}
|
|
|
|
function getResolvedModuleWithFailedLookupLocationsFromCache(moduleName: string, containingFile: string): ResolvedModuleWithFailedLookupLocations | undefined {
|
|
return moduleResolutionCache && resolveModuleNameFromCache(moduleName, containingFile, moduleResolutionCache);
|
|
}
|
|
|
|
function toPath(fileName: string): Path {
|
|
return ts.toPath(fileName, currentDirectory, getCanonicalFileName);
|
|
}
|
|
|
|
function getCommonSourceDirectory() {
|
|
if (commonSourceDirectory === undefined) {
|
|
const emittedFiles = filter(files, file => sourceFileMayBeEmitted(file, options, isSourceFileFromExternalLibrary));
|
|
if (options.rootDir && checkSourceFilesBelongToPath(emittedFiles, options.rootDir)) {
|
|
// If a rootDir is specified use it as the commonSourceDirectory
|
|
commonSourceDirectory = getNormalizedAbsolutePath(options.rootDir, currentDirectory);
|
|
}
|
|
else if (options.composite && options.configFilePath) {
|
|
// Project compilations never infer their root from the input source paths
|
|
commonSourceDirectory = getDirectoryPath(normalizeSlashes(options.configFilePath));
|
|
checkSourceFilesBelongToPath(emittedFiles, commonSourceDirectory);
|
|
}
|
|
else {
|
|
commonSourceDirectory = computeCommonSourceDirectory(emittedFiles);
|
|
}
|
|
|
|
if (commonSourceDirectory && commonSourceDirectory[commonSourceDirectory.length - 1] !== directorySeparator) {
|
|
// Make sure directory path ends with directory separator so this string can directly
|
|
// used to replace with "" to get the relative path of the source file and the relative path doesn't
|
|
// start with / making it rooted path
|
|
commonSourceDirectory += directorySeparator;
|
|
}
|
|
}
|
|
return commonSourceDirectory;
|
|
}
|
|
|
|
function getClassifiableNames() {
|
|
if (!classifiableNames) {
|
|
// Initialize a checker so that all our files are bound.
|
|
getTypeChecker();
|
|
classifiableNames = createUnderscoreEscapedMap<true>();
|
|
|
|
for (const sourceFile of files) {
|
|
copyEntries(sourceFile.classifiableNames!, classifiableNames);
|
|
}
|
|
}
|
|
|
|
return classifiableNames;
|
|
}
|
|
|
|
interface OldProgramState {
|
|
program: Program | undefined;
|
|
oldSourceFile: SourceFile | undefined;
|
|
/** The collection of paths modified *since* the old program. */
|
|
modifiedFilePaths: Path[] | undefined;
|
|
}
|
|
|
|
function resolveModuleNamesReusingOldState(moduleNames: string[], containingFile: string, file: SourceFile, oldProgramState: OldProgramState) {
|
|
if (structuralIsReused === StructureIsReused.Not && !file.ambientModuleNames.length) {
|
|
// If the old program state does not permit reusing resolutions and `file` does not contain locally defined ambient modules,
|
|
// the best we can do is fallback to the default logic.
|
|
return resolveModuleNamesWorker(moduleNames, containingFile, /*reusedNames*/ undefined, getResolvedProjectReferenceToRedirect(file.originalFileName));
|
|
}
|
|
|
|
const oldSourceFile = oldProgramState.program && oldProgramState.program.getSourceFile(containingFile);
|
|
if (oldSourceFile !== file && file.resolvedModules) {
|
|
// `file` was created for the new program.
|
|
//
|
|
// We only set `file.resolvedModules` via work from the current function,
|
|
// so it is defined iff we already called the current function on `file`.
|
|
// That call happened no later than the creation of the `file` object,
|
|
// which per above occurred during the current program creation.
|
|
// Since we assume the filesystem does not change during program creation,
|
|
// it is safe to reuse resolutions from the earlier call.
|
|
const result: ResolvedModuleFull[] = [];
|
|
for (const moduleName of moduleNames) {
|
|
const resolvedModule = file.resolvedModules.get(moduleName)!;
|
|
result.push(resolvedModule);
|
|
}
|
|
return result;
|
|
}
|
|
// At this point, we know at least one of the following hold:
|
|
// - file has local declarations for ambient modules
|
|
// - old program state is available
|
|
// With this information, we can infer some module resolutions without performing resolution.
|
|
|
|
/** An ordered list of module names for which we cannot recover the resolution. */
|
|
let unknownModuleNames: string[] | undefined;
|
|
/**
|
|
* The indexing of elements in this list matches that of `moduleNames`.
|
|
*
|
|
* Before combining results, result[i] is in one of the following states:
|
|
* * undefined: needs to be recomputed,
|
|
* * predictedToResolveToAmbientModuleMarker: known to be an ambient module.
|
|
* Needs to be reset to undefined before returning,
|
|
* * ResolvedModuleFull instance: can be reused.
|
|
*/
|
|
let result: ResolvedModuleFull[] | undefined;
|
|
let reusedNames: string[] | undefined;
|
|
/** A transient placeholder used to mark predicted resolution in the result list. */
|
|
const predictedToResolveToAmbientModuleMarker: ResolvedModuleFull = <any>{};
|
|
|
|
for (let i = 0; i < moduleNames.length; i++) {
|
|
const moduleName = moduleNames[i];
|
|
// If the source file is unchanged and doesnt have invalidated resolution, reuse the module resolutions
|
|
if (file === oldSourceFile && !hasInvalidatedResolution(oldSourceFile.path)) {
|
|
const oldResolvedModule = oldSourceFile && oldSourceFile.resolvedModules!.get(moduleName);
|
|
if (oldResolvedModule) {
|
|
if (isTraceEnabled(options, host)) {
|
|
trace(host, Diagnostics.Reusing_resolution_of_module_0_to_file_1_from_old_program, moduleName, containingFile);
|
|
}
|
|
(result || (result = new Array(moduleNames.length)))[i] = oldResolvedModule;
|
|
(reusedNames || (reusedNames = [])).push(moduleName);
|
|
continue;
|
|
}
|
|
}
|
|
// We know moduleName resolves to an ambient module provided that moduleName:
|
|
// - is in the list of ambient modules locally declared in the current source file.
|
|
// - resolved to an ambient module in the old program whose declaration is in an unmodified file
|
|
// (so the same module declaration will land in the new program)
|
|
let resolvesToAmbientModuleInNonModifiedFile = false;
|
|
if (contains(file.ambientModuleNames, moduleName)) {
|
|
resolvesToAmbientModuleInNonModifiedFile = true;
|
|
if (isTraceEnabled(options, host)) {
|
|
trace(host, Diagnostics.Module_0_was_resolved_as_locally_declared_ambient_module_in_file_1, moduleName, containingFile);
|
|
}
|
|
}
|
|
else {
|
|
resolvesToAmbientModuleInNonModifiedFile = moduleNameResolvesToAmbientModuleInNonModifiedFile(moduleName, oldProgramState);
|
|
}
|
|
|
|
if (resolvesToAmbientModuleInNonModifiedFile) {
|
|
(result || (result = new Array(moduleNames.length)))[i] = predictedToResolveToAmbientModuleMarker;
|
|
}
|
|
else {
|
|
// Resolution failed in the old program, or resolved to an ambient module for which we can't reuse the result.
|
|
(unknownModuleNames || (unknownModuleNames = [])).push(moduleName);
|
|
}
|
|
}
|
|
|
|
const resolutions = unknownModuleNames && unknownModuleNames.length
|
|
? resolveModuleNamesWorker(unknownModuleNames, containingFile, reusedNames, getResolvedProjectReferenceToRedirect(file.originalFileName))
|
|
: emptyArray;
|
|
|
|
// Combine results of resolutions and predicted results
|
|
if (!result) {
|
|
// There were no unresolved/ambient resolutions.
|
|
Debug.assert(resolutions.length === moduleNames.length);
|
|
return resolutions;
|
|
}
|
|
|
|
let j = 0;
|
|
for (let i = 0; i < result.length; i++) {
|
|
if (result[i]) {
|
|
// `result[i]` is either a `ResolvedModuleFull` or a marker.
|
|
// If it is the former, we can leave it as is.
|
|
if (result[i] === predictedToResolveToAmbientModuleMarker) {
|
|
result[i] = undefined!; // TODO: GH#18217
|
|
}
|
|
}
|
|
else {
|
|
result[i] = resolutions[j];
|
|
j++;
|
|
}
|
|
}
|
|
Debug.assert(j === resolutions.length);
|
|
|
|
return result;
|
|
|
|
// If we change our policy of rechecking failed lookups on each program create,
|
|
// we should adjust the value returned here.
|
|
function moduleNameResolvesToAmbientModuleInNonModifiedFile(moduleName: string, oldProgramState: OldProgramState): boolean {
|
|
if (!oldProgramState.program) {
|
|
return false;
|
|
}
|
|
const resolutionToFile = getResolvedModule(oldProgramState.oldSourceFile!, moduleName); // TODO: GH#18217
|
|
const resolvedFile = resolutionToFile && oldProgramState.program.getSourceFile(resolutionToFile.resolvedFileName);
|
|
if (resolutionToFile && resolvedFile && !resolvedFile.externalModuleIndicator) {
|
|
// In the old program, we resolved to an ambient module that was in the same
|
|
// place as we expected to find an actual module file.
|
|
// We actually need to return 'false' here even though this seems like a 'true' case
|
|
// because the normal module resolution algorithm will find this anyway.
|
|
return false;
|
|
}
|
|
|
|
// at least one of declarations should come from non-modified source file
|
|
const firstUnmodifiedFile = oldProgramState.program.getSourceFiles().find(
|
|
f => !contains(oldProgramState.modifiedFilePaths, f.path) && contains(f.ambientModuleNames, moduleName)
|
|
);
|
|
|
|
if (!firstUnmodifiedFile) {
|
|
return false;
|
|
}
|
|
|
|
if (isTraceEnabled(options, host)) {
|
|
trace(host, Diagnostics.Module_0_was_resolved_as_ambient_module_declared_in_1_since_this_file_was_not_modified, moduleName, firstUnmodifiedFile.fileName);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
function canReuseProjectReferences(): boolean {
|
|
return !forEachProjectReference(
|
|
oldProgram!.getProjectReferences(),
|
|
oldProgram!.getResolvedProjectReferences(),
|
|
(oldResolvedRef, index, parent) => {
|
|
const newRef = (parent ? parent.commandLine.projectReferences : projectReferences)![index];
|
|
const newResolvedRef = parseProjectReferenceConfigFile(newRef);
|
|
if (oldResolvedRef) {
|
|
// Resolved project reference has gone missing or changed
|
|
return !newResolvedRef || newResolvedRef.sourceFile !== oldResolvedRef.sourceFile;
|
|
}
|
|
else {
|
|
// A previously-unresolved reference may be resolved now
|
|
return newResolvedRef !== undefined;
|
|
}
|
|
},
|
|
(oldProjectReferences, parent) => {
|
|
// If array of references is changed, we cant resue old program
|
|
const newReferences = parent ? getResolvedProjectReferenceByPath(parent.sourceFile.path)!.commandLine.projectReferences : projectReferences;
|
|
return !arrayIsEqualTo(oldProjectReferences, newReferences, projectReferenceIsEqualTo);
|
|
}
|
|
);
|
|
}
|
|
|
|
function tryReuseStructureFromOldProgram(): StructureIsReused {
|
|
if (!oldProgram) {
|
|
return StructureIsReused.Not;
|
|
}
|
|
|
|
// check properties that can affect structure of the program or module resolution strategy
|
|
// if any of these properties has changed - structure cannot be reused
|
|
const oldOptions = oldProgram.getCompilerOptions();
|
|
if (changesAffectModuleResolution(oldOptions, options)) {
|
|
return oldProgram.structureIsReused = StructureIsReused.Not;
|
|
}
|
|
|
|
Debug.assert(!(oldProgram.structureIsReused! & (StructureIsReused.Completely | StructureIsReused.SafeModules)));
|
|
|
|
// there is an old program, check if we can reuse its structure
|
|
const oldRootNames = oldProgram.getRootFileNames();
|
|
if (!arrayIsEqualTo(oldRootNames, rootNames)) {
|
|
return oldProgram.structureIsReused = StructureIsReused.Not;
|
|
}
|
|
|
|
if (!arrayIsEqualTo(options.types, oldOptions.types)) {
|
|
return oldProgram.structureIsReused = StructureIsReused.Not;
|
|
}
|
|
|
|
// Check if any referenced project tsconfig files are different
|
|
if (!canReuseProjectReferences()) {
|
|
return oldProgram.structureIsReused = StructureIsReused.Not;
|
|
}
|
|
if (projectReferences) {
|
|
resolvedProjectReferences = projectReferences.map(parseProjectReferenceConfigFile);
|
|
}
|
|
|
|
// check if program source files has changed in the way that can affect structure of the program
|
|
const newSourceFiles: SourceFile[] = [];
|
|
const modifiedSourceFiles: { oldFile: SourceFile, newFile: SourceFile }[] = [];
|
|
oldProgram.structureIsReused = StructureIsReused.Completely;
|
|
|
|
// If the missing file paths are now present, it can change the progam structure,
|
|
// and hence cant reuse the structure.
|
|
// This is same as how we dont reuse the structure if one of the file from old program is now missing
|
|
if (oldProgram.getMissingFilePaths().some(missingFilePath => host.fileExists(missingFilePath))) {
|
|
return oldProgram.structureIsReused = StructureIsReused.Not;
|
|
}
|
|
|
|
const oldSourceFiles = oldProgram.getSourceFiles();
|
|
const enum SeenPackageName { Exists, Modified }
|
|
const seenPackageNames = createMap<SeenPackageName>();
|
|
|
|
for (const oldSourceFile of oldSourceFiles) {
|
|
let newSourceFile = host.getSourceFileByPath
|
|
? host.getSourceFileByPath(oldSourceFile.fileName, oldSourceFile.resolvedPath, options.target!, /*onError*/ undefined, shouldCreateNewSourceFile)
|
|
: host.getSourceFile(oldSourceFile.fileName, options.target!, /*onError*/ undefined, shouldCreateNewSourceFile); // TODO: GH#18217
|
|
|
|
if (!newSourceFile) {
|
|
return oldProgram.structureIsReused = StructureIsReused.Not;
|
|
}
|
|
|
|
Debug.assert(!newSourceFile.redirectInfo, "Host should not return a redirect source file from `getSourceFile`");
|
|
|
|
let fileChanged: boolean;
|
|
if (oldSourceFile.redirectInfo) {
|
|
// We got `newSourceFile` by path, so it is actually for the unredirected file.
|
|
// This lets us know if the unredirected file has changed. If it has we should break the redirect.
|
|
if (newSourceFile !== oldSourceFile.redirectInfo.unredirected) {
|
|
// Underlying file has changed. Might not redirect anymore. Must rebuild program.
|
|
return oldProgram.structureIsReused = StructureIsReused.Not;
|
|
}
|
|
fileChanged = false;
|
|
newSourceFile = oldSourceFile; // Use the redirect.
|
|
}
|
|
else if (oldProgram.redirectTargetsMap.has(oldSourceFile.path)) {
|
|
// If a redirected-to source file changes, the redirect may be broken.
|
|
if (newSourceFile !== oldSourceFile) {
|
|
return oldProgram.structureIsReused = StructureIsReused.Not;
|
|
}
|
|
fileChanged = false;
|
|
}
|
|
else {
|
|
fileChanged = newSourceFile !== oldSourceFile;
|
|
}
|
|
|
|
// Since the project references havent changed, its right to set originalFileName and resolvedPath here
|
|
newSourceFile.path = oldSourceFile.path;
|
|
newSourceFile.originalFileName = oldSourceFile.originalFileName;
|
|
newSourceFile.resolvedPath = oldSourceFile.resolvedPath;
|
|
newSourceFile.fileName = oldSourceFile.fileName;
|
|
|
|
const packageName = oldProgram.sourceFileToPackageName.get(oldSourceFile.path);
|
|
if (packageName !== undefined) {
|
|
// If there are 2 different source files for the same package name and at least one of them changes,
|
|
// they might become redirects. So we must rebuild the program.
|
|
const prevKind = seenPackageNames.get(packageName);
|
|
const newKind = fileChanged ? SeenPackageName.Modified : SeenPackageName.Exists;
|
|
if ((prevKind !== undefined && newKind === SeenPackageName.Modified) || prevKind === SeenPackageName.Modified) {
|
|
return oldProgram.structureIsReused = StructureIsReused.Not;
|
|
}
|
|
seenPackageNames.set(packageName, newKind);
|
|
}
|
|
|
|
if (fileChanged) {
|
|
// The `newSourceFile` object was created for the new program.
|
|
|
|
if (!arrayIsEqualTo(oldSourceFile.libReferenceDirectives, newSourceFile.libReferenceDirectives, fileReferenceIsEqualTo)) {
|
|
// 'lib' references has changed. Matches behavior in changesAffectModuleResolution
|
|
return oldProgram.structureIsReused = StructureIsReused.Not;
|
|
}
|
|
|
|
if (oldSourceFile.hasNoDefaultLib !== newSourceFile.hasNoDefaultLib) {
|
|
// value of no-default-lib has changed
|
|
// this will affect if default library is injected into the list of files
|
|
oldProgram.structureIsReused = StructureIsReused.SafeModules;
|
|
}
|
|
|
|
// check tripleslash references
|
|
if (!arrayIsEqualTo(oldSourceFile.referencedFiles, newSourceFile.referencedFiles, fileReferenceIsEqualTo)) {
|
|
// tripleslash references has changed
|
|
oldProgram.structureIsReused = StructureIsReused.SafeModules;
|
|
}
|
|
|
|
// check imports and module augmentations
|
|
collectExternalModuleReferences(newSourceFile);
|
|
if (!arrayIsEqualTo(oldSourceFile.imports, newSourceFile.imports, moduleNameIsEqualTo)) {
|
|
// imports has changed
|
|
oldProgram.structureIsReused = StructureIsReused.SafeModules;
|
|
}
|
|
if (!arrayIsEqualTo(oldSourceFile.moduleAugmentations, newSourceFile.moduleAugmentations, moduleNameIsEqualTo)) {
|
|
// moduleAugmentations has changed
|
|
oldProgram.structureIsReused = StructureIsReused.SafeModules;
|
|
}
|
|
if ((oldSourceFile.flags & NodeFlags.PermanentlySetIncrementalFlags) !== (newSourceFile.flags & NodeFlags.PermanentlySetIncrementalFlags)) {
|
|
// dynamicImport has changed
|
|
oldProgram.structureIsReused = StructureIsReused.SafeModules;
|
|
}
|
|
|
|
if (!arrayIsEqualTo(oldSourceFile.typeReferenceDirectives, newSourceFile.typeReferenceDirectives, fileReferenceIsEqualTo)) {
|
|
// 'types' references has changed
|
|
oldProgram.structureIsReused = StructureIsReused.SafeModules;
|
|
}
|
|
|
|
// tentatively approve the file
|
|
modifiedSourceFiles.push({ oldFile: oldSourceFile, newFile: newSourceFile });
|
|
}
|
|
else if (hasInvalidatedResolution(oldSourceFile.path)) {
|
|
// 'module/types' references could have changed
|
|
oldProgram.structureIsReused = StructureIsReused.SafeModules;
|
|
|
|
// add file to the modified list so that we will resolve it later
|
|
modifiedSourceFiles.push({ oldFile: oldSourceFile, newFile: newSourceFile });
|
|
}
|
|
|
|
// if file has passed all checks it should be safe to reuse it
|
|
newSourceFiles.push(newSourceFile);
|
|
}
|
|
|
|
if (oldProgram.structureIsReused !== StructureIsReused.Completely) {
|
|
return oldProgram.structureIsReused;
|
|
}
|
|
|
|
modifiedFilePaths = modifiedSourceFiles.map(f => f.newFile.path);
|
|
// try to verify results of module resolution
|
|
for (const { oldFile: oldSourceFile, newFile: newSourceFile } of modifiedSourceFiles) {
|
|
const newSourceFilePath = getNormalizedAbsolutePath(newSourceFile.originalFileName, currentDirectory);
|
|
if (resolveModuleNamesWorker) {
|
|
const moduleNames = getModuleNames(newSourceFile);
|
|
const oldProgramState: OldProgramState = { program: oldProgram, oldSourceFile, modifiedFilePaths };
|
|
const resolutions = resolveModuleNamesReusingOldState(moduleNames, newSourceFilePath, newSourceFile, oldProgramState);
|
|
// ensure that module resolution results are still correct
|
|
const resolutionsChanged = hasChangesInResolutions(moduleNames, resolutions, oldSourceFile.resolvedModules, moduleResolutionIsEqualTo);
|
|
if (resolutionsChanged) {
|
|
oldProgram.structureIsReused = StructureIsReused.SafeModules;
|
|
newSourceFile.resolvedModules = zipToMap(moduleNames, resolutions);
|
|
}
|
|
else {
|
|
newSourceFile.resolvedModules = oldSourceFile.resolvedModules;
|
|
}
|
|
}
|
|
if (resolveTypeReferenceDirectiveNamesWorker) {
|
|
// We lower-case all type references because npm automatically lowercases all packages. See GH#9824.
|
|
const typesReferenceDirectives = map(newSourceFile.typeReferenceDirectives, ref => ref.fileName.toLocaleLowerCase());
|
|
const resolutions = resolveTypeReferenceDirectiveNamesWorker(typesReferenceDirectives, newSourceFilePath, getResolvedProjectReferenceToRedirect(newSourceFile.originalFileName));
|
|
// ensure that types resolutions are still correct
|
|
const resolutionsChanged = hasChangesInResolutions(typesReferenceDirectives, resolutions, oldSourceFile.resolvedTypeReferenceDirectiveNames, typeDirectiveIsEqualTo);
|
|
if (resolutionsChanged) {
|
|
oldProgram.structureIsReused = StructureIsReused.SafeModules;
|
|
newSourceFile.resolvedTypeReferenceDirectiveNames = zipToMap(typesReferenceDirectives, resolutions);
|
|
}
|
|
else {
|
|
newSourceFile.resolvedTypeReferenceDirectiveNames = oldSourceFile.resolvedTypeReferenceDirectiveNames;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (oldProgram.structureIsReused !== StructureIsReused.Completely) {
|
|
return oldProgram.structureIsReused;
|
|
}
|
|
|
|
if (host.hasChangedAutomaticTypeDirectiveNames) {
|
|
return oldProgram.structureIsReused = StructureIsReused.SafeModules;
|
|
}
|
|
|
|
missingFilePaths = oldProgram.getMissingFilePaths();
|
|
|
|
// update fileName -> file mapping
|
|
for (const newSourceFile of newSourceFiles) {
|
|
const filePath = newSourceFile.path;
|
|
addFileToFilesByName(newSourceFile, filePath, newSourceFile.resolvedPath);
|
|
// Set the file as found during node modules search if it was found that way in old progra,
|
|
if (oldProgram.isSourceFileFromExternalLibrary(oldProgram.getSourceFileByPath(filePath)!)) {
|
|
sourceFilesFoundSearchingNodeModules.set(filePath, true);
|
|
}
|
|
}
|
|
|
|
files = newSourceFiles;
|
|
fileProcessingDiagnostics = oldProgram.getFileProcessingDiagnostics();
|
|
|
|
for (const modifiedFile of modifiedSourceFiles) {
|
|
fileProcessingDiagnostics.reattachFileDiagnostics(modifiedFile.newFile);
|
|
}
|
|
resolvedTypeReferenceDirectives = oldProgram.getResolvedTypeReferenceDirectives();
|
|
|
|
sourceFileToPackageName = oldProgram.sourceFileToPackageName;
|
|
redirectTargetsMap = oldProgram.redirectTargetsMap;
|
|
|
|
return oldProgram.structureIsReused = StructureIsReused.Completely;
|
|
}
|
|
|
|
function getEmitHost(writeFileCallback?: WriteFileCallback): EmitHost {
|
|
return {
|
|
getPrependNodes,
|
|
getCanonicalFileName,
|
|
getCommonSourceDirectory: program.getCommonSourceDirectory,
|
|
getCompilerOptions: program.getCompilerOptions,
|
|
getCurrentDirectory: () => currentDirectory,
|
|
getNewLine: () => host.getNewLine(),
|
|
getSourceFile: program.getSourceFile,
|
|
getSourceFileByPath: program.getSourceFileByPath,
|
|
getSourceFiles: program.getSourceFiles,
|
|
getLibFileFromReference: program.getLibFileFromReference,
|
|
isSourceFileFromExternalLibrary,
|
|
writeFile: writeFileCallback || (
|
|
(fileName, data, writeByteOrderMark, onError, sourceFiles) => host.writeFile(fileName, data, writeByteOrderMark, onError, sourceFiles)),
|
|
isEmitBlocked,
|
|
readFile: f => host.readFile(f),
|
|
fileExists: f => {
|
|
// Use local caches
|
|
const path = toPath(f);
|
|
if (getSourceFileByPath(path)) return true;
|
|
if (contains(missingFilePaths, path)) return false;
|
|
// Before falling back to the host
|
|
return host.fileExists(f);
|
|
},
|
|
...(host.directoryExists ? { directoryExists: f => host.directoryExists!(f) } : {}),
|
|
useCaseSensitiveFileNames: () => host.useCaseSensitiveFileNames(),
|
|
};
|
|
}
|
|
|
|
function getResolvedProjectReferences() {
|
|
return resolvedProjectReferences;
|
|
}
|
|
|
|
function getProjectReferences() {
|
|
return projectReferences;
|
|
}
|
|
|
|
function getPrependNodes(): InputFiles[] {
|
|
if (!projectReferences) {
|
|
return emptyArray;
|
|
}
|
|
|
|
const nodes: InputFiles[] = [];
|
|
for (let i = 0; i < projectReferences.length; i++) {
|
|
const ref = projectReferences[i];
|
|
const resolvedRefOpts = resolvedProjectReferences![i]!.commandLine;
|
|
if (ref.prepend && resolvedRefOpts && resolvedRefOpts.options) {
|
|
const out = resolvedRefOpts.options.outFile || resolvedRefOpts.options.out;
|
|
// Upstream project didn't have outFile set -- skip (error will have been issued earlier)
|
|
if (!out) continue;
|
|
|
|
const dtsFilename = changeExtension(out, ".d.ts");
|
|
const js = host.readFile(out) || `/* Input file ${out} was missing */\r\n`;
|
|
const jsMapPath = out + ".map"; // TODO: try to read sourceMappingUrl comment from the file
|
|
const jsMap = host.readFile(jsMapPath);
|
|
const dts = host.readFile(dtsFilename) || `/* Input file ${dtsFilename} was missing */\r\n`;
|
|
const dtsMapPath = dtsFilename + ".map";
|
|
const dtsMap = host.readFile(dtsMapPath);
|
|
const node = createInputFiles(js, dts, jsMap && jsMapPath, jsMap, dtsMap && dtsMapPath, dtsMap);
|
|
nodes.push(node);
|
|
}
|
|
}
|
|
return nodes;
|
|
}
|
|
|
|
function isSourceFileFromExternalLibrary(file: SourceFile): boolean {
|
|
return !!sourceFilesFoundSearchingNodeModules.get(file.path);
|
|
}
|
|
|
|
function isSourceFileDefaultLibrary(file: SourceFile): boolean {
|
|
if (file.hasNoDefaultLib) {
|
|
return true;
|
|
}
|
|
|
|
if (!options.noLib) {
|
|
return false;
|
|
}
|
|
|
|
// If '--lib' is not specified, include default library file according to '--target'
|
|
// otherwise, using options specified in '--lib' instead of '--target' default library file
|
|
const equalityComparer = host.useCaseSensitiveFileNames() ? equateStringsCaseSensitive : equateStringsCaseInsensitive;
|
|
if (!options.lib) {
|
|
return equalityComparer(file.fileName, getDefaultLibraryFileName());
|
|
}
|
|
else {
|
|
return some(options.lib, libFileName => equalityComparer(file.fileName, combinePaths(defaultLibraryPath, libFileName)));
|
|
}
|
|
}
|
|
|
|
function getDiagnosticsProducingTypeChecker() {
|
|
return diagnosticsProducingTypeChecker || (diagnosticsProducingTypeChecker = createTypeChecker(program, /*produceDiagnostics:*/ true));
|
|
}
|
|
|
|
function dropDiagnosticsProducingTypeChecker() {
|
|
diagnosticsProducingTypeChecker = undefined!;
|
|
}
|
|
|
|
function getTypeChecker() {
|
|
return noDiagnosticsTypeChecker || (noDiagnosticsTypeChecker = createTypeChecker(program, /*produceDiagnostics:*/ false));
|
|
}
|
|
|
|
function emit(sourceFile?: SourceFile, writeFileCallback?: WriteFileCallback, cancellationToken?: CancellationToken, emitOnlyDtsFiles?: boolean, transformers?: CustomTransformers): EmitResult {
|
|
return runWithCancellationToken(() => emitWorker(program, sourceFile, writeFileCallback, cancellationToken, emitOnlyDtsFiles, transformers));
|
|
}
|
|
|
|
function isEmitBlocked(emitFileName: string): boolean {
|
|
return hasEmitBlockingDiagnostics.has(toPath(emitFileName));
|
|
}
|
|
|
|
function emitWorker(program: Program, sourceFile: SourceFile | undefined, writeFileCallback: WriteFileCallback | undefined, cancellationToken: CancellationToken | undefined, emitOnlyDtsFiles?: boolean, customTransformers?: CustomTransformers): EmitResult {
|
|
let declarationDiagnostics: ReadonlyArray<Diagnostic> = [];
|
|
|
|
if (!emitOnlyDtsFiles) {
|
|
if (options.noEmit) {
|
|
return { diagnostics: declarationDiagnostics, sourceMaps: undefined, emittedFiles: undefined, emitSkipped: true };
|
|
}
|
|
|
|
// If the noEmitOnError flag is set, then check if we have any errors so far. If so,
|
|
// immediately bail out. Note that we pass 'undefined' for 'sourceFile' so that we
|
|
// get any preEmit diagnostics, not just the ones
|
|
if (options.noEmitOnError) {
|
|
const diagnostics = [
|
|
...program.getOptionsDiagnostics(cancellationToken),
|
|
...program.getSyntacticDiagnostics(sourceFile, cancellationToken),
|
|
...program.getGlobalDiagnostics(cancellationToken),
|
|
...program.getSemanticDiagnostics(sourceFile, cancellationToken)
|
|
];
|
|
|
|
if (diagnostics.length === 0 && getEmitDeclarations(program.getCompilerOptions())) {
|
|
declarationDiagnostics = program.getDeclarationDiagnostics(/*sourceFile*/ undefined, cancellationToken);
|
|
}
|
|
|
|
if (diagnostics.length > 0 || declarationDiagnostics.length > 0) {
|
|
return {
|
|
diagnostics: concatenate(diagnostics, declarationDiagnostics),
|
|
sourceMaps: undefined,
|
|
emittedFiles: undefined,
|
|
emitSkipped: true
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
// Create the emit resolver outside of the "emitTime" tracking code below. That way
|
|
// any cost associated with it (like type checking) are appropriate associated with
|
|
// the type-checking counter.
|
|
//
|
|
// If the -out option is specified, we should not pass the source file to getEmitResolver.
|
|
// This is because in the -out scenario all files need to be emitted, and therefore all
|
|
// files need to be type checked. And the way to specify that all files need to be type
|
|
// checked is to not pass the file to getEmitResolver.
|
|
const emitResolver = getDiagnosticsProducingTypeChecker().getEmitResolver((options.outFile || options.out) ? undefined : sourceFile, cancellationToken);
|
|
|
|
performance.mark("beforeEmit");
|
|
|
|
const transformers = emitOnlyDtsFiles ? [] : getTransformers(options, customTransformers);
|
|
const emitResult = emitFiles(
|
|
emitResolver,
|
|
getEmitHost(writeFileCallback),
|
|
sourceFile!, // TODO: GH#18217
|
|
emitOnlyDtsFiles,
|
|
transformers,
|
|
customTransformers && customTransformers.afterDeclarations
|
|
);
|
|
|
|
performance.mark("afterEmit");
|
|
performance.measure("Emit", "beforeEmit", "afterEmit");
|
|
return emitResult;
|
|
}
|
|
|
|
function getSourceFile(fileName: string): SourceFile | undefined {
|
|
return getSourceFileByPath(toPath(fileName));
|
|
}
|
|
|
|
function getSourceFileByPath(path: Path): SourceFile | undefined {
|
|
return filesByName.get(path);
|
|
}
|
|
|
|
function getDiagnosticsHelper<T extends Diagnostic>(
|
|
sourceFile: SourceFile,
|
|
getDiagnostics: (sourceFile: SourceFile, cancellationToken: CancellationToken) => ReadonlyArray<T>,
|
|
cancellationToken: CancellationToken): ReadonlyArray<T> {
|
|
if (sourceFile) {
|
|
return getDiagnostics(sourceFile, cancellationToken);
|
|
}
|
|
return sortAndDeduplicateDiagnostics(flatMap(program.getSourceFiles(), sourceFile => {
|
|
if (cancellationToken) {
|
|
cancellationToken.throwIfCancellationRequested();
|
|
}
|
|
return getDiagnostics(sourceFile, cancellationToken);
|
|
}));
|
|
}
|
|
|
|
function getSyntacticDiagnostics(sourceFile: SourceFile, cancellationToken: CancellationToken): ReadonlyArray<DiagnosticWithLocation> {
|
|
return getDiagnosticsHelper(sourceFile, getSyntacticDiagnosticsForFile, cancellationToken);
|
|
}
|
|
|
|
function getSemanticDiagnostics(sourceFile: SourceFile, cancellationToken: CancellationToken): ReadonlyArray<Diagnostic> {
|
|
return getDiagnosticsHelper(sourceFile, getSemanticDiagnosticsForFile, cancellationToken);
|
|
}
|
|
|
|
function getDeclarationDiagnostics(sourceFile: SourceFile, cancellationToken: CancellationToken): ReadonlyArray<DiagnosticWithLocation> {
|
|
const options = program.getCompilerOptions();
|
|
// collect diagnostics from the program only once if either no source file was specified or out/outFile is set (bundled emit)
|
|
if (!sourceFile || options.out || options.outFile) {
|
|
return getDeclarationDiagnosticsWorker(sourceFile, cancellationToken);
|
|
}
|
|
else {
|
|
return getDiagnosticsHelper(sourceFile, getDeclarationDiagnosticsForFile, cancellationToken);
|
|
}
|
|
}
|
|
|
|
function getSyntacticDiagnosticsForFile(sourceFile: SourceFile): ReadonlyArray<DiagnosticWithLocation> {
|
|
// For JavaScript files, we report semantic errors for using TypeScript-only
|
|
// constructs from within a JavaScript file as syntactic errors.
|
|
if (isSourceFileJS(sourceFile)) {
|
|
if (!sourceFile.additionalSyntacticDiagnostics) {
|
|
sourceFile.additionalSyntacticDiagnostics = getJSSyntacticDiagnosticsForFile(sourceFile);
|
|
}
|
|
return concatenate(sourceFile.additionalSyntacticDiagnostics, sourceFile.parseDiagnostics);
|
|
}
|
|
return sourceFile.parseDiagnostics;
|
|
}
|
|
|
|
function runWithCancellationToken<T>(func: () => T): T {
|
|
try {
|
|
return func();
|
|
}
|
|
catch (e) {
|
|
if (e instanceof OperationCanceledException) {
|
|
// We were canceled while performing the operation. Because our type checker
|
|
// might be a bad state, we need to throw it away.
|
|
//
|
|
// Note: we are overly aggressive here. We do not actually *have* to throw away
|
|
// the "noDiagnosticsTypeChecker". However, for simplicity, i'd like to keep
|
|
// the lifetimes of these two TypeCheckers the same. Also, we generally only
|
|
// cancel when the user has made a change anyways. And, in that case, we (the
|
|
// program instance) will get thrown away anyways. So trying to keep one of
|
|
// these type checkers alive doesn't serve much purpose.
|
|
noDiagnosticsTypeChecker = undefined!;
|
|
diagnosticsProducingTypeChecker = undefined!;
|
|
}
|
|
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
function getSemanticDiagnosticsForFile(sourceFile: SourceFile, cancellationToken: CancellationToken): ReadonlyArray<Diagnostic> {
|
|
return getAndCacheDiagnostics(sourceFile, cancellationToken, cachedSemanticDiagnosticsForFile, getSemanticDiagnosticsForFileNoCache);
|
|
}
|
|
|
|
function getSemanticDiagnosticsForFileNoCache(sourceFile: SourceFile, cancellationToken: CancellationToken): Diagnostic[] | undefined {
|
|
return runWithCancellationToken(() => {
|
|
if (skipTypeChecking(sourceFile, options)) {
|
|
return emptyArray;
|
|
}
|
|
|
|
const typeChecker = getDiagnosticsProducingTypeChecker();
|
|
|
|
Debug.assert(!!sourceFile.bindDiagnostics);
|
|
|
|
const isCheckJs = isCheckJsEnabledForFile(sourceFile, options);
|
|
// By default, only type-check .ts, .tsx, 'Deferred' and 'External' files (external files are added by plugins)
|
|
const includeBindAndCheckDiagnostics = sourceFile.scriptKind === ScriptKind.TS || sourceFile.scriptKind === ScriptKind.TSX ||
|
|
sourceFile.scriptKind === ScriptKind.External || isCheckJs || sourceFile.scriptKind === ScriptKind.Deferred;
|
|
const bindDiagnostics: ReadonlyArray<Diagnostic> = includeBindAndCheckDiagnostics ? sourceFile.bindDiagnostics : emptyArray;
|
|
const checkDiagnostics = includeBindAndCheckDiagnostics ? typeChecker.getDiagnostics(sourceFile, cancellationToken) : emptyArray;
|
|
const fileProcessingDiagnosticsInFile = fileProcessingDiagnostics.getDiagnostics(sourceFile.fileName);
|
|
const programDiagnosticsInFile = programDiagnostics.getDiagnostics(sourceFile.fileName);
|
|
|
|
let diagnostics: Diagnostic[] | undefined;
|
|
for (const diags of [bindDiagnostics, checkDiagnostics, fileProcessingDiagnosticsInFile, programDiagnosticsInFile, isCheckJs ? sourceFile.jsDocDiagnostics : undefined]) {
|
|
if (diags) {
|
|
for (const diag of diags) {
|
|
if (shouldReportDiagnostic(diag)) {
|
|
diagnostics = append(diagnostics, diag);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return diagnostics;
|
|
});
|
|
}
|
|
|
|
function getSuggestionDiagnostics(sourceFile: SourceFile, cancellationToken: CancellationToken): ReadonlyArray<DiagnosticWithLocation> {
|
|
return runWithCancellationToken(() => {
|
|
return getDiagnosticsProducingTypeChecker().getSuggestionDiagnostics(sourceFile, cancellationToken);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Skip errors if previous line start with '// @ts-ignore' comment, not counting non-empty non-comment lines
|
|
*/
|
|
function shouldReportDiagnostic(diagnostic: Diagnostic) {
|
|
const { file, start } = diagnostic;
|
|
if (file) {
|
|
const lineStarts = getLineStarts(file);
|
|
let { line } = computeLineAndCharacterOfPosition(lineStarts, start!); // TODO: GH#18217
|
|
while (line > 0) {
|
|
const previousLineText = file.text.slice(lineStarts[line - 1], lineStarts[line]);
|
|
const result = ignoreDiagnosticCommentRegEx.exec(previousLineText);
|
|
if (!result) {
|
|
// non-empty line
|
|
return true;
|
|
}
|
|
if (result[3]) {
|
|
// @ts-ignore
|
|
return false;
|
|
}
|
|
line--;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
function getJSSyntacticDiagnosticsForFile(sourceFile: SourceFile): DiagnosticWithLocation[] {
|
|
return runWithCancellationToken(() => {
|
|
const diagnostics: DiagnosticWithLocation[] = [];
|
|
let parent: Node = sourceFile;
|
|
walk(sourceFile);
|
|
|
|
return diagnostics;
|
|
|
|
function walk(node: Node) {
|
|
// Return directly from the case if the given node doesnt want to visit each child
|
|
// Otherwise break to visit each child
|
|
|
|
switch (parent.kind) {
|
|
case SyntaxKind.Parameter:
|
|
case SyntaxKind.PropertyDeclaration:
|
|
if ((<ParameterDeclaration | PropertyDeclaration>parent).questionToken === node) {
|
|
diagnostics.push(createDiagnosticForNode(node, Diagnostics._0_can_only_be_used_in_a_ts_file, "?"));
|
|
return;
|
|
}
|
|
// falls through
|
|
case SyntaxKind.MethodDeclaration:
|
|
case SyntaxKind.MethodSignature:
|
|
case SyntaxKind.Constructor:
|
|
case SyntaxKind.GetAccessor:
|
|
case SyntaxKind.SetAccessor:
|
|
case SyntaxKind.FunctionExpression:
|
|
case SyntaxKind.FunctionDeclaration:
|
|
case SyntaxKind.ArrowFunction:
|
|
case SyntaxKind.VariableDeclaration:
|
|
// type annotation
|
|
if ((<FunctionLikeDeclaration | VariableDeclaration | ParameterDeclaration | PropertyDeclaration>parent).type === node) {
|
|
diagnostics.push(createDiagnosticForNode(node, Diagnostics.types_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
}
|
|
}
|
|
|
|
switch (node.kind) {
|
|
case SyntaxKind.ImportEqualsDeclaration:
|
|
diagnostics.push(createDiagnosticForNode(node, Diagnostics.import_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
case SyntaxKind.ExportAssignment:
|
|
if ((<ExportAssignment>node).isExportEquals) {
|
|
diagnostics.push(createDiagnosticForNode(node, Diagnostics.export_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
}
|
|
break;
|
|
case SyntaxKind.HeritageClause:
|
|
const heritageClause = <HeritageClause>node;
|
|
if (heritageClause.token === SyntaxKind.ImplementsKeyword) {
|
|
diagnostics.push(createDiagnosticForNode(node, Diagnostics.implements_clauses_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
}
|
|
break;
|
|
case SyntaxKind.InterfaceDeclaration:
|
|
diagnostics.push(createDiagnosticForNode(node, Diagnostics.interface_declarations_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
case SyntaxKind.ModuleDeclaration:
|
|
diagnostics.push(createDiagnosticForNode(node, Diagnostics.module_declarations_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
case SyntaxKind.TypeAliasDeclaration:
|
|
diagnostics.push(createDiagnosticForNode(node, Diagnostics.type_aliases_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
case SyntaxKind.EnumDeclaration:
|
|
diagnostics.push(createDiagnosticForNode(node, Diagnostics.enum_declarations_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
case SyntaxKind.NonNullExpression:
|
|
diagnostics.push(createDiagnosticForNode(node, Diagnostics.non_null_assertions_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
case SyntaxKind.AsExpression:
|
|
diagnostics.push(createDiagnosticForNode((node as AsExpression).type, Diagnostics.type_assertion_expressions_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
case SyntaxKind.TypeAssertionExpression:
|
|
Debug.fail(); // Won't parse these in a JS file anyway, as they are interpreted as JSX.
|
|
}
|
|
|
|
const prevParent = parent;
|
|
parent = node;
|
|
forEachChild(node, walk, walkArray);
|
|
parent = prevParent;
|
|
}
|
|
|
|
function walkArray(nodes: NodeArray<Node>) {
|
|
if (parent.decorators === nodes && !options.experimentalDecorators) {
|
|
diagnostics.push(createDiagnosticForNode(parent, Diagnostics.Experimental_support_for_decorators_is_a_feature_that_is_subject_to_change_in_a_future_release_Set_the_experimentalDecorators_option_to_remove_this_warning));
|
|
}
|
|
|
|
switch (parent.kind) {
|
|
case SyntaxKind.ClassDeclaration:
|
|
case SyntaxKind.MethodDeclaration:
|
|
case SyntaxKind.MethodSignature:
|
|
case SyntaxKind.Constructor:
|
|
case SyntaxKind.GetAccessor:
|
|
case SyntaxKind.SetAccessor:
|
|
case SyntaxKind.FunctionExpression:
|
|
case SyntaxKind.FunctionDeclaration:
|
|
case SyntaxKind.ArrowFunction:
|
|
// Check type parameters
|
|
if (nodes === (<ClassDeclaration | FunctionLikeDeclaration>parent).typeParameters) {
|
|
diagnostics.push(createDiagnosticForNodeArray(nodes, Diagnostics.type_parameter_declarations_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
}
|
|
// falls through
|
|
case SyntaxKind.VariableStatement:
|
|
// Check modifiers
|
|
if (nodes === (<ClassDeclaration | FunctionLikeDeclaration | VariableStatement>parent).modifiers) {
|
|
return checkModifiers(<NodeArray<Modifier>>nodes, parent.kind === SyntaxKind.VariableStatement);
|
|
}
|
|
break;
|
|
case SyntaxKind.PropertyDeclaration:
|
|
// Check modifiers of property declaration
|
|
if (nodes === (<PropertyDeclaration>parent).modifiers) {
|
|
for (const modifier of <NodeArray<Modifier>>nodes) {
|
|
if (modifier.kind !== SyntaxKind.StaticKeyword) {
|
|
diagnostics.push(createDiagnosticForNode(modifier, Diagnostics._0_can_only_be_used_in_a_ts_file, tokenToString(modifier.kind)));
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
break;
|
|
case SyntaxKind.Parameter:
|
|
// Check modifiers of parameter declaration
|
|
if (nodes === (<ParameterDeclaration>parent).modifiers) {
|
|
diagnostics.push(createDiagnosticForNodeArray(nodes, Diagnostics.parameter_modifiers_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
}
|
|
break;
|
|
case SyntaxKind.CallExpression:
|
|
case SyntaxKind.NewExpression:
|
|
case SyntaxKind.ExpressionWithTypeArguments:
|
|
case SyntaxKind.JsxSelfClosingElement:
|
|
case SyntaxKind.JsxOpeningElement:
|
|
// Check type arguments
|
|
if (nodes === (<CallExpression | NewExpression | ExpressionWithTypeArguments | JsxOpeningLikeElement>parent).typeArguments) {
|
|
diagnostics.push(createDiagnosticForNodeArray(nodes, Diagnostics.type_arguments_can_only_be_used_in_a_ts_file));
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
|
|
for (const node of nodes) {
|
|
walk(node);
|
|
}
|
|
}
|
|
|
|
function checkModifiers(modifiers: NodeArray<Modifier>, isConstValid: boolean) {
|
|
for (const modifier of modifiers) {
|
|
switch (modifier.kind) {
|
|
case SyntaxKind.ConstKeyword:
|
|
if (isConstValid) {
|
|
continue;
|
|
}
|
|
// to report error,
|
|
// falls through
|
|
case SyntaxKind.PublicKeyword:
|
|
case SyntaxKind.PrivateKeyword:
|
|
case SyntaxKind.ProtectedKeyword:
|
|
case SyntaxKind.ReadonlyKeyword:
|
|
case SyntaxKind.DeclareKeyword:
|
|
case SyntaxKind.AbstractKeyword:
|
|
diagnostics.push(createDiagnosticForNode(modifier, Diagnostics._0_can_only_be_used_in_a_ts_file, tokenToString(modifier.kind)));
|
|
break;
|
|
|
|
// These are all legal modifiers.
|
|
case SyntaxKind.StaticKeyword:
|
|
case SyntaxKind.ExportKeyword:
|
|
case SyntaxKind.DefaultKeyword:
|
|
}
|
|
}
|
|
}
|
|
|
|
function createDiagnosticForNodeArray(nodes: NodeArray<Node>, message: DiagnosticMessage, arg0?: string | number, arg1?: string | number, arg2?: string | number): DiagnosticWithLocation {
|
|
const start = nodes.pos;
|
|
return createFileDiagnostic(sourceFile, start, nodes.end - start, message, arg0, arg1, arg2);
|
|
}
|
|
|
|
// Since these are syntactic diagnostics, parent might not have been set
|
|
// this means the sourceFile cannot be infered from the node
|
|
function createDiagnosticForNode(node: Node, message: DiagnosticMessage, arg0?: string | number, arg1?: string | number, arg2?: string | number): DiagnosticWithLocation {
|
|
return createDiagnosticForNodeInSourceFile(sourceFile, node, message, arg0, arg1, arg2);
|
|
}
|
|
});
|
|
}
|
|
|
|
function getDeclarationDiagnosticsWorker(sourceFile: SourceFile, cancellationToken: CancellationToken): ReadonlyArray<DiagnosticWithLocation> {
|
|
return getAndCacheDiagnostics(sourceFile, cancellationToken, cachedDeclarationDiagnosticsForFile, getDeclarationDiagnosticsForFileNoCache);
|
|
}
|
|
|
|
function getDeclarationDiagnosticsForFileNoCache(sourceFile: SourceFile | undefined, cancellationToken: CancellationToken) {
|
|
return runWithCancellationToken(() => {
|
|
const resolver = getDiagnosticsProducingTypeChecker().getEmitResolver(sourceFile, cancellationToken);
|
|
// Don't actually write any files since we're just getting diagnostics.
|
|
return ts.getDeclarationDiagnostics(getEmitHost(noop), resolver, sourceFile);
|
|
});
|
|
}
|
|
|
|
function getAndCacheDiagnostics<T extends Diagnostic>(
|
|
sourceFile: SourceFile | undefined,
|
|
cancellationToken: CancellationToken,
|
|
cache: DiagnosticCache<T>,
|
|
getDiagnostics: (sourceFile: SourceFile, cancellationToken: CancellationToken) => T[] | undefined,
|
|
): ReadonlyArray<T> {
|
|
|
|
const cachedResult = sourceFile
|
|
? cache.perFile && cache.perFile.get(sourceFile.path)
|
|
: cache.allDiagnostics as T[];
|
|
|
|
if (cachedResult) {
|
|
return cachedResult;
|
|
}
|
|
const result = getDiagnostics(sourceFile!, cancellationToken) || emptyArray; // TODO: GH#18217
|
|
if (sourceFile) {
|
|
if (!cache.perFile) {
|
|
cache.perFile = createMap<T[]>();
|
|
}
|
|
cache.perFile.set(sourceFile.path, result);
|
|
}
|
|
else {
|
|
cache.allDiagnostics = result;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function getDeclarationDiagnosticsForFile(sourceFile: SourceFile, cancellationToken: CancellationToken): ReadonlyArray<DiagnosticWithLocation> {
|
|
return sourceFile.isDeclarationFile ? [] : getDeclarationDiagnosticsWorker(sourceFile, cancellationToken);
|
|
}
|
|
|
|
function getOptionsDiagnostics(): Diagnostic[] {
|
|
return sortAndDeduplicateDiagnostics(concatenate(
|
|
fileProcessingDiagnostics.getGlobalDiagnostics(),
|
|
concatenate(
|
|
programDiagnostics.getGlobalDiagnostics(),
|
|
getOptionsDiagnosticsOfConfigFile()
|
|
)
|
|
));
|
|
}
|
|
|
|
function getOptionsDiagnosticsOfConfigFile() {
|
|
if (!options.configFile) { return emptyArray; }
|
|
let diagnostics = programDiagnostics.getDiagnostics(options.configFile.fileName);
|
|
forEachResolvedProjectReference(resolvedRef => {
|
|
if (resolvedRef) {
|
|
diagnostics = concatenate(diagnostics, programDiagnostics.getDiagnostics(resolvedRef.sourceFile.fileName));
|
|
}
|
|
});
|
|
return diagnostics;
|
|
}
|
|
|
|
function getGlobalDiagnostics(): Diagnostic[] {
|
|
return sortAndDeduplicateDiagnostics(getDiagnosticsProducingTypeChecker().getGlobalDiagnostics().slice());
|
|
}
|
|
|
|
function getConfigFileParsingDiagnostics(): ReadonlyArray<Diagnostic> {
|
|
return configFileParsingDiagnostics || emptyArray;
|
|
}
|
|
|
|
function processRootFile(fileName: string, isDefaultLib: boolean, ignoreNoDefaultLib: boolean) {
|
|
processSourceFile(normalizePath(fileName), isDefaultLib, ignoreNoDefaultLib, /*packageId*/ undefined);
|
|
}
|
|
|
|
function fileReferenceIsEqualTo(a: FileReference, b: FileReference): boolean {
|
|
return a.fileName === b.fileName;
|
|
}
|
|
|
|
function moduleNameIsEqualTo(a: StringLiteralLike | Identifier, b: StringLiteralLike | Identifier): boolean {
|
|
return a.kind === SyntaxKind.Identifier
|
|
? b.kind === SyntaxKind.Identifier && a.escapedText === b.escapedText
|
|
: b.kind === SyntaxKind.StringLiteral && a.text === b.text;
|
|
}
|
|
|
|
function collectExternalModuleReferences(file: SourceFile): void {
|
|
if (file.imports) {
|
|
return;
|
|
}
|
|
|
|
const isJavaScriptFile = isSourceFileJS(file);
|
|
const isExternalModuleFile = isExternalModule(file);
|
|
|
|
// file.imports may not be undefined if there exists dynamic import
|
|
let imports: StringLiteralLike[] | undefined;
|
|
let moduleAugmentations: (StringLiteral | Identifier)[] | undefined;
|
|
let ambientModules: string[] | undefined;
|
|
|
|
// If we are importing helpers, we need to add a synthetic reference to resolve the
|
|
// helpers library.
|
|
if (options.importHelpers
|
|
&& (options.isolatedModules || isExternalModuleFile)
|
|
&& !file.isDeclarationFile) {
|
|
// synthesize 'import "tslib"' declaration
|
|
const externalHelpersModuleReference = createLiteral(externalHelpersModuleNameText);
|
|
const importDecl = createImportDeclaration(/*decorators*/ undefined, /*modifiers*/ undefined, /*importClause*/ undefined, externalHelpersModuleReference);
|
|
addEmitFlags(importDecl, EmitFlags.NeverApplyImportHelper);
|
|
externalHelpersModuleReference.parent = importDecl;
|
|
importDecl.parent = file;
|
|
imports = [externalHelpersModuleReference];
|
|
}
|
|
|
|
for (const node of file.statements) {
|
|
collectModuleReferences(node, /*inAmbientModule*/ false);
|
|
}
|
|
if ((file.flags & NodeFlags.PossiblyContainsDynamicImport) || isJavaScriptFile) {
|
|
collectDynamicImportOrRequireCalls(file);
|
|
}
|
|
|
|
file.imports = imports || emptyArray;
|
|
file.moduleAugmentations = moduleAugmentations || emptyArray;
|
|
file.ambientModuleNames = ambientModules || emptyArray;
|
|
|
|
return;
|
|
|
|
function collectModuleReferences(node: Statement, inAmbientModule: boolean): void {
|
|
if (isAnyImportOrReExport(node)) {
|
|
const moduleNameExpr = getExternalModuleName(node);
|
|
// TypeScript 1.0 spec (April 2014): 12.1.6
|
|
// An ExternalImportDeclaration in an AmbientExternalModuleDeclaration may reference other external modules
|
|
// only through top - level external module names. Relative external module names are not permitted.
|
|
if (moduleNameExpr && isStringLiteral(moduleNameExpr) && moduleNameExpr.text && (!inAmbientModule || !isExternalModuleNameRelative(moduleNameExpr.text))) {
|
|
imports = append(imports, moduleNameExpr);
|
|
}
|
|
}
|
|
else if (isModuleDeclaration(node)) {
|
|
if (isAmbientModule(node) && (inAmbientModule || hasModifier(node, ModifierFlags.Ambient) || file.isDeclarationFile)) {
|
|
const nameText = getTextOfIdentifierOrLiteral(node.name);
|
|
// Ambient module declarations can be interpreted as augmentations for some existing external modules.
|
|
// This will happen in two cases:
|
|
// - if current file is external module then module augmentation is a ambient module declaration defined in the top level scope
|
|
// - if current file is not external module then module augmentation is an ambient module declaration with non-relative module name
|
|
// immediately nested in top level ambient module declaration .
|
|
if (isExternalModuleFile || (inAmbientModule && !isExternalModuleNameRelative(nameText))) {
|
|
(moduleAugmentations || (moduleAugmentations = [])).push(node.name);
|
|
}
|
|
else if (!inAmbientModule) {
|
|
if (file.isDeclarationFile) {
|
|
// for global .d.ts files record name of ambient module
|
|
(ambientModules || (ambientModules = [])).push(nameText);
|
|
}
|
|
// An AmbientExternalModuleDeclaration declares an external module.
|
|
// This type of declaration is permitted only in the global module.
|
|
// The StringLiteral must specify a top - level external module name.
|
|
// Relative external module names are not permitted
|
|
|
|
// NOTE: body of ambient module is always a module block, if it exists
|
|
const body = <ModuleBlock>(<ModuleDeclaration>node).body;
|
|
if (body) {
|
|
for (const statement of body.statements) {
|
|
collectModuleReferences(statement, /*inAmbientModule*/ true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function collectDynamicImportOrRequireCalls(file: SourceFile) {
|
|
const r = /import|require/g;
|
|
while (r.exec(file.text) !== null) {
|
|
const node = getTokenAtPosition(file, r.lastIndex);
|
|
if (isRequireCall(node, /*checkArgumentIsStringLiteralLike*/ true)) {
|
|
imports = append(imports, node.arguments[0]);
|
|
}
|
|
// we have to check the argument list has length of 1. We will still have to process these even though we have parsing error.
|
|
else if (isImportCall(node) && node.arguments.length === 1 && isStringLiteralLike(node.arguments[0])) {
|
|
imports = append(imports, node.arguments[0] as StringLiteralLike);
|
|
}
|
|
else if (isLiteralImportTypeNode(node)) {
|
|
imports = append(imports, node.argument.literal);
|
|
}
|
|
}
|
|
}
|
|
|
|
/** Returns a token if position is in [start-of-leading-trivia, end) */
|
|
function getTokenAtPosition(sourceFile: SourceFile, position: number): Node {
|
|
let current: Node = sourceFile;
|
|
const getContainingChild = (child: Node) => {
|
|
if (child.pos <= position && (position < child.end || (position === child.end && (child.kind === SyntaxKind.EndOfFileToken)))) {
|
|
return child;
|
|
}
|
|
};
|
|
while (true) {
|
|
const child = hasJSDocNodes(current) && forEach(current.jsDoc, getContainingChild) || forEachChild(current, getContainingChild);
|
|
if (!child) {
|
|
return current;
|
|
}
|
|
current = child;
|
|
}
|
|
}
|
|
}
|
|
|
|
function getLibFileFromReference(ref: FileReference) {
|
|
const libName = ref.fileName.toLocaleLowerCase();
|
|
const libFileName = libMap.get(libName);
|
|
if (libFileName) {
|
|
return getSourceFile(combinePaths(defaultLibraryPath, libFileName));
|
|
}
|
|
}
|
|
|
|
/** This should have similar behavior to 'processSourceFile' without diagnostics or mutation. */
|
|
function getSourceFileFromReference(referencingFile: SourceFile, ref: FileReference): SourceFile | undefined {
|
|
return getSourceFileFromReferenceWorker(resolveTripleslashReference(ref.fileName, referencingFile.fileName), fileName => filesByName.get(toPath(fileName)));
|
|
}
|
|
|
|
function getSourceFileFromReferenceWorker(
|
|
fileName: string,
|
|
getSourceFile: (fileName: string) => SourceFile | undefined,
|
|
fail?: (diagnostic: DiagnosticMessage, ...argument: string[]) => void,
|
|
refFile?: SourceFile): SourceFile | undefined {
|
|
|
|
if (hasExtension(fileName)) {
|
|
if (!options.allowNonTsExtensions && !forEach(supportedExtensionsWithJsonIfResolveJsonModule, extension => fileExtensionIs(host.getCanonicalFileName(fileName), extension))) {
|
|
if (fail) fail(Diagnostics.File_0_has_unsupported_extension_The_only_supported_extensions_are_1, fileName, "'" + supportedExtensions.join("', '") + "'");
|
|
return undefined;
|
|
}
|
|
|
|
const sourceFile = getSourceFile(fileName);
|
|
if (fail) {
|
|
if (!sourceFile) {
|
|
const redirect = getProjectReferenceRedirect(fileName);
|
|
if (redirect) {
|
|
fail(Diagnostics.Output_file_0_has_not_been_built_from_source_file_1, redirect, fileName);
|
|
}
|
|
else {
|
|
fail(Diagnostics.File_0_not_found, fileName);
|
|
}
|
|
}
|
|
else if (refFile && host.getCanonicalFileName(fileName) === host.getCanonicalFileName(refFile.fileName)) {
|
|
fail(Diagnostics.A_file_cannot_have_a_reference_to_itself);
|
|
}
|
|
}
|
|
return sourceFile;
|
|
}
|
|
else {
|
|
const sourceFileNoExtension = options.allowNonTsExtensions && getSourceFile(fileName);
|
|
if (sourceFileNoExtension) return sourceFileNoExtension;
|
|
|
|
if (fail && options.allowNonTsExtensions) {
|
|
fail(Diagnostics.File_0_not_found, fileName);
|
|
return undefined;
|
|
}
|
|
|
|
const sourceFileWithAddedExtension = forEach(supportedExtensions, extension => getSourceFile(fileName + extension));
|
|
if (fail && !sourceFileWithAddedExtension) fail(Diagnostics.File_0_not_found, fileName + Extension.Ts);
|
|
return sourceFileWithAddedExtension;
|
|
}
|
|
}
|
|
|
|
/** This has side effects through `findSourceFile`. */
|
|
function processSourceFile(fileName: string, isDefaultLib: boolean, ignoreNoDefaultLib: boolean, packageId: PackageId | undefined, refFile?: SourceFile, refPos?: number, refEnd?: number): void {
|
|
getSourceFileFromReferenceWorker(fileName,
|
|
fileName => findSourceFile(fileName, toPath(fileName), isDefaultLib, ignoreNoDefaultLib, refFile!, refPos!, refEnd!, packageId), // TODO: GH#18217
|
|
(diagnostic, ...args) => {
|
|
fileProcessingDiagnostics.add(refFile !== undefined && refEnd !== undefined && refPos !== undefined
|
|
? createFileDiagnostic(refFile, refPos, refEnd - refPos, diagnostic, ...args)
|
|
: createCompilerDiagnostic(diagnostic, ...args));
|
|
},
|
|
refFile);
|
|
}
|
|
|
|
function reportFileNamesDifferOnlyInCasingError(fileName: string, existingFileName: string, refFile: SourceFile, refPos: number, refEnd: number): void {
|
|
if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) {
|
|
fileProcessingDiagnostics.add(createFileDiagnostic(refFile, refPos, refEnd - refPos,
|
|
Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName));
|
|
}
|
|
else {
|
|
fileProcessingDiagnostics.add(createCompilerDiagnostic(Diagnostics.File_name_0_differs_from_already_included_file_name_1_only_in_casing, fileName, existingFileName));
|
|
}
|
|
}
|
|
|
|
function createRedirectSourceFile(redirectTarget: SourceFile, unredirected: SourceFile, fileName: string, path: Path, resolvedPath: Path, originalFileName: string): SourceFile {
|
|
const redirect: SourceFile = Object.create(redirectTarget);
|
|
redirect.fileName = fileName;
|
|
redirect.path = path;
|
|
redirect.resolvedPath = resolvedPath;
|
|
redirect.originalFileName = originalFileName;
|
|
redirect.redirectInfo = { redirectTarget, unredirected };
|
|
sourceFilesFoundSearchingNodeModules.set(path, currentNodeModulesDepth > 0);
|
|
Object.defineProperties(redirect, {
|
|
id: {
|
|
get(this: SourceFile) { return this.redirectInfo!.redirectTarget.id; },
|
|
set(this: SourceFile, value: SourceFile["id"]) { this.redirectInfo!.redirectTarget.id = value; },
|
|
},
|
|
symbol: {
|
|
get(this: SourceFile) { return this.redirectInfo!.redirectTarget.symbol; },
|
|
set(this: SourceFile, value: SourceFile["symbol"]) { this.redirectInfo!.redirectTarget.symbol = value; },
|
|
},
|
|
});
|
|
return redirect;
|
|
}
|
|
|
|
// Get source file from normalized fileName
|
|
function findSourceFile(fileName: string, path: Path, isDefaultLib: boolean, ignoreNoDefaultLib: boolean, refFile: SourceFile, refPos: number, refEnd: number, packageId: PackageId | undefined): SourceFile | undefined {
|
|
const originalFileName = fileName;
|
|
if (filesByName.has(path)) {
|
|
const file = filesByName.get(path);
|
|
// try to check if we've already seen this file but with a different casing in path
|
|
// NOTE: this only makes sense for case-insensitive file systems, and only on files which are not redirected
|
|
if (file && options.forceConsistentCasingInFileNames) {
|
|
let inputName = fileName;
|
|
const checkedName = file.fileName;
|
|
const isRedirect = toPath(checkedName) !== toPath(inputName);
|
|
if (isRedirect) {
|
|
inputName = getProjectReferenceRedirect(fileName) || fileName;
|
|
}
|
|
if (getNormalizedAbsolutePath(checkedName, currentDirectory) !== getNormalizedAbsolutePath(inputName, currentDirectory)) {
|
|
reportFileNamesDifferOnlyInCasingError(inputName, checkedName, refFile, refPos, refEnd);
|
|
}
|
|
}
|
|
|
|
// If the file was previously found via a node_modules search, but is now being processed as a root file,
|
|
// then everything it sucks in may also be marked incorrectly, and needs to be checked again.
|
|
if (file && sourceFilesFoundSearchingNodeModules.get(file.path) && currentNodeModulesDepth === 0) {
|
|
sourceFilesFoundSearchingNodeModules.set(file.path, false);
|
|
if (!options.noResolve) {
|
|
processReferencedFiles(file, isDefaultLib);
|
|
processTypeReferenceDirectives(file);
|
|
}
|
|
|
|
processLibReferenceDirectives(file);
|
|
|
|
modulesWithElidedImports.set(file.path, false);
|
|
processImportedModules(file);
|
|
}
|
|
// See if we need to reprocess the imports due to prior skipped imports
|
|
else if (file && modulesWithElidedImports.get(file.path)) {
|
|
if (currentNodeModulesDepth < maxNodeModuleJsDepth) {
|
|
modulesWithElidedImports.set(file.path, false);
|
|
processImportedModules(file);
|
|
}
|
|
}
|
|
|
|
return file;
|
|
}
|
|
|
|
let redirectedPath: Path | undefined;
|
|
if (refFile) {
|
|
const redirect = getProjectReferenceRedirect(fileName);
|
|
if (redirect) {
|
|
((refFile.redirectedReferences || (refFile.redirectedReferences = [])) as string[]).push(fileName);
|
|
fileName = redirect;
|
|
// Once we start redirecting to a file, we can potentially come back to it
|
|
// via a back-reference from another file in the .d.ts folder. If that happens we'll
|
|
// end up trying to add it to the program *again* because we were tracking it via its
|
|
// original (un-redirected) name. So we have to map both the original path and the redirected path
|
|
// to the source file we're about to find/create
|
|
redirectedPath = toPath(redirect);
|
|
}
|
|
}
|
|
|
|
// We haven't looked for this file, do so now and cache result
|
|
const file = host.getSourceFile(fileName, options.target!, hostErrorMessage => { // TODO: GH#18217
|
|
if (refFile !== undefined && refPos !== undefined && refEnd !== undefined) {
|
|
fileProcessingDiagnostics.add(createFileDiagnostic(refFile, refPos, refEnd - refPos,
|
|
Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage));
|
|
}
|
|
else {
|
|
fileProcessingDiagnostics.add(createCompilerDiagnostic(Diagnostics.Cannot_read_file_0_Colon_1, fileName, hostErrorMessage));
|
|
}
|
|
}, shouldCreateNewSourceFile);
|
|
|
|
if (packageId) {
|
|
const packageIdKey = packageIdToString(packageId);
|
|
const fileFromPackageId = packageIdToSourceFile.get(packageIdKey);
|
|
if (fileFromPackageId) {
|
|
// Some other SourceFile already exists with this package name and version.
|
|
// Instead of creating a duplicate, just redirect to the existing one.
|
|
const dupFile = createRedirectSourceFile(fileFromPackageId, file!, fileName, path, toPath(fileName), originalFileName); // TODO: GH#18217
|
|
redirectTargetsMap.add(fileFromPackageId.path, fileName);
|
|
addFileToFilesByName(dupFile, path, redirectedPath);
|
|
sourceFileToPackageName.set(path, packageId.name);
|
|
processingOtherFiles!.push(dupFile);
|
|
return dupFile;
|
|
}
|
|
else if (file) {
|
|
// This is the first source file to have this packageId.
|
|
packageIdToSourceFile.set(packageIdKey, file);
|
|
sourceFileToPackageName.set(path, packageId.name);
|
|
}
|
|
}
|
|
addFileToFilesByName(file, path, redirectedPath);
|
|
|
|
if (file) {
|
|
sourceFilesFoundSearchingNodeModules.set(path, currentNodeModulesDepth > 0);
|
|
file.path = path;
|
|
file.resolvedPath = toPath(fileName);
|
|
file.originalFileName = originalFileName;
|
|
|
|
if (host.useCaseSensitiveFileNames()) {
|
|
const pathLowerCase = path.toLowerCase();
|
|
// for case-sensitive file systems check if we've already seen some file with similar filename ignoring case
|
|
const existingFile = filesByNameIgnoreCase!.get(pathLowerCase);
|
|
if (existingFile) {
|
|
reportFileNamesDifferOnlyInCasingError(fileName, existingFile.fileName, refFile, refPos, refEnd);
|
|
}
|
|
else {
|
|
filesByNameIgnoreCase!.set(pathLowerCase, file);
|
|
}
|
|
}
|
|
|
|
skipDefaultLib = skipDefaultLib || (file.hasNoDefaultLib && !ignoreNoDefaultLib);
|
|
|
|
if (!options.noResolve) {
|
|
processReferencedFiles(file, isDefaultLib);
|
|
processTypeReferenceDirectives(file);
|
|
}
|
|
|
|
processLibReferenceDirectives(file);
|
|
|
|
// always process imported modules to record module name resolutions
|
|
processImportedModules(file);
|
|
|
|
if (isDefaultLib) {
|
|
processingDefaultLibFiles!.push(file);
|
|
}
|
|
else {
|
|
processingOtherFiles!.push(file);
|
|
}
|
|
}
|
|
|
|
return file;
|
|
}
|
|
|
|
function addFileToFilesByName(file: SourceFile | undefined, path: Path, redirectedPath: Path | undefined) {
|
|
filesByName.set(path, file);
|
|
if (redirectedPath) {
|
|
filesByName.set(redirectedPath, file);
|
|
}
|
|
}
|
|
|
|
function getProjectReferenceRedirect(fileName: string): string | undefined {
|
|
// Ignore dts or any of the non ts files
|
|
if (!resolvedProjectReferences || !resolvedProjectReferences.length || fileExtensionIs(fileName, Extension.Dts) || !fileExtensionIsOneOf(fileName, supportedTSExtensions)) {
|
|
return undefined;
|
|
}
|
|
|
|
// If this file is produced by a referenced project, we need to rewrite it to
|
|
// look in the output folder of the referenced project rather than the input
|
|
const referencedProject = getResolvedProjectReferenceToRedirect(fileName);
|
|
if (!referencedProject) {
|
|
return undefined;
|
|
}
|
|
|
|
const out = referencedProject.commandLine.options.outFile || referencedProject.commandLine.options.out;
|
|
return out ?
|
|
changeExtension(out, Extension.Dts) :
|
|
getOutputDeclarationFileName(fileName, referencedProject.commandLine);
|
|
}
|
|
|
|
/**
|
|
* Get the referenced project if the file is input file from that reference project
|
|
*/
|
|
function getResolvedProjectReferenceToRedirect(fileName: string) {
|
|
return forEachResolvedProjectReference((referencedProject, referenceProjectPath) => {
|
|
// not input file from the referenced project, ignore
|
|
if (!referencedProject ||
|
|
toPath(options.configFilePath!) === referenceProjectPath ||
|
|
!contains(referencedProject.commandLine.fileNames, fileName, isSameFile)) {
|
|
return undefined;
|
|
}
|
|
|
|
return referencedProject;
|
|
});
|
|
}
|
|
|
|
function forEachResolvedProjectReference<T>(
|
|
cb: (resolvedProjectReference: ResolvedProjectReference | undefined, resolvedProjectReferencePath: Path) => T | undefined
|
|
): T | undefined {
|
|
return forEachProjectReference(projectReferences, resolvedProjectReferences, (resolvedRef, index, parent) => {
|
|
const ref = (parent ? parent.commandLine.projectReferences : projectReferences)![index];
|
|
const resolvedRefPath = toPath(resolveProjectReferencePath(ref));
|
|
return cb(resolvedRef, resolvedRefPath);
|
|
});
|
|
}
|
|
|
|
function forEachProjectReference<T>(
|
|
projectReferences: ReadonlyArray<ProjectReference> | undefined,
|
|
resolvedProjectReferences: ReadonlyArray<ResolvedProjectReference | undefined> | undefined,
|
|
cbResolvedRef: (resolvedRef: ResolvedProjectReference | undefined, index: number, parent: ResolvedProjectReference | undefined) => T | undefined,
|
|
cbRef?: (projectReferences: ReadonlyArray<ProjectReference> | undefined, parent: ResolvedProjectReference | undefined) => T | undefined
|
|
): T | undefined {
|
|
let seenResolvedRefs: ResolvedProjectReference[] | undefined;
|
|
|
|
return worker(projectReferences, resolvedProjectReferences, /*parent*/ undefined, cbResolvedRef, cbRef);
|
|
|
|
function worker(
|
|
projectReferences: ReadonlyArray<ProjectReference> | undefined,
|
|
resolvedProjectReferences: ReadonlyArray<ResolvedProjectReference | undefined> | undefined,
|
|
parent: ResolvedProjectReference | undefined,
|
|
cbResolvedRef: (resolvedRef: ResolvedProjectReference | undefined, index: number, parent: ResolvedProjectReference | undefined) => T | undefined,
|
|
cbRef?: (projectReferences: ReadonlyArray<ProjectReference> | undefined, parent: ResolvedProjectReference | undefined) => T | undefined,
|
|
): T | undefined {
|
|
|
|
// Visit project references first
|
|
if (cbRef) {
|
|
const result = cbRef(projectReferences, parent);
|
|
if (result) { return result; }
|
|
}
|
|
|
|
return forEach(resolvedProjectReferences, (resolvedRef, index) => {
|
|
if (contains(seenResolvedRefs, resolvedRef)) {
|
|
// ignore recursives
|
|
return undefined;
|
|
}
|
|
|
|
const result = cbResolvedRef(resolvedRef, index, parent);
|
|
if (result) {
|
|
return result;
|
|
}
|
|
|
|
if (!resolvedRef) return undefined;
|
|
|
|
(seenResolvedRefs || (seenResolvedRefs = [])).push(resolvedRef);
|
|
return worker(resolvedRef.commandLine.projectReferences, resolvedRef.references, resolvedRef, cbResolvedRef, cbRef);
|
|
});
|
|
}
|
|
}
|
|
|
|
function getResolvedProjectReferenceByPath(projectReferencePath: Path): ResolvedProjectReference | undefined {
|
|
if (!projectReferenceRedirects) {
|
|
return undefined;
|
|
}
|
|
|
|
return projectReferenceRedirects.get(projectReferencePath) || undefined;
|
|
}
|
|
|
|
function processReferencedFiles(file: SourceFile, isDefaultLib: boolean) {
|
|
forEach(file.referencedFiles, ref => {
|
|
const referencedFileName = resolveTripleslashReference(ref.fileName, file.originalFileName);
|
|
processSourceFile(referencedFileName, isDefaultLib, /*ignoreNoDefaultLib*/ false, /*packageId*/ undefined, file, ref.pos, ref.end);
|
|
});
|
|
}
|
|
|
|
function processTypeReferenceDirectives(file: SourceFile) {
|
|
// We lower-case all type references because npm automatically lowercases all packages. See GH#9824.
|
|
const typeDirectives = map(file.typeReferenceDirectives, ref => ref.fileName.toLocaleLowerCase());
|
|
if (!typeDirectives) {
|
|
return;
|
|
}
|
|
|
|
const resolutions = resolveTypeReferenceDirectiveNamesWorker(typeDirectives, file.originalFileName, getResolvedProjectReferenceToRedirect(file.originalFileName));
|
|
|
|
for (let i = 0; i < typeDirectives.length; i++) {
|
|
const ref = file.typeReferenceDirectives[i];
|
|
const resolvedTypeReferenceDirective = resolutions[i];
|
|
// store resolved type directive on the file
|
|
const fileName = ref.fileName.toLocaleLowerCase();
|
|
setResolvedTypeReferenceDirective(file, fileName, resolvedTypeReferenceDirective);
|
|
processTypeReferenceDirective(fileName, resolvedTypeReferenceDirective, file, ref.pos, ref.end);
|
|
}
|
|
}
|
|
|
|
function processTypeReferenceDirective(typeReferenceDirective: string, resolvedTypeReferenceDirective?: ResolvedTypeReferenceDirective,
|
|
refFile?: SourceFile, refPos?: number, refEnd?: number): void {
|
|
|
|
// If we already found this library as a primary reference - nothing to do
|
|
const previousResolution = resolvedTypeReferenceDirectives.get(typeReferenceDirective);
|
|
if (previousResolution && previousResolution.primary) {
|
|
return;
|
|
}
|
|
let saveResolution = true;
|
|
if (resolvedTypeReferenceDirective) {
|
|
if (resolvedTypeReferenceDirective.isExternalLibraryImport) currentNodeModulesDepth++;
|
|
|
|
if (resolvedTypeReferenceDirective.primary) {
|
|
// resolved from the primary path
|
|
processSourceFile(resolvedTypeReferenceDirective.resolvedFileName!, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, resolvedTypeReferenceDirective.packageId, refFile, refPos, refEnd); // TODO: GH#18217
|
|
}
|
|
else {
|
|
// If we already resolved to this file, it must have been a secondary reference. Check file contents
|
|
// for sameness and possibly issue an error
|
|
if (previousResolution) {
|
|
// Don't bother reading the file again if it's the same file.
|
|
if (resolvedTypeReferenceDirective.resolvedFileName !== previousResolution.resolvedFileName) {
|
|
const otherFileText = host.readFile(resolvedTypeReferenceDirective.resolvedFileName!);
|
|
if (otherFileText !== getSourceFile(previousResolution.resolvedFileName!)!.text) {
|
|
fileProcessingDiagnostics.add(createDiagnostic(refFile!, refPos!, refEnd!, // TODO: GH#18217
|
|
Diagnostics.Conflicting_definitions_for_0_found_at_1_and_2_Consider_installing_a_specific_version_of_this_library_to_resolve_the_conflict,
|
|
typeReferenceDirective,
|
|
resolvedTypeReferenceDirective.resolvedFileName,
|
|
previousResolution.resolvedFileName
|
|
));
|
|
}
|
|
}
|
|
// don't overwrite previous resolution result
|
|
saveResolution = false;
|
|
}
|
|
else {
|
|
// First resolution of this library
|
|
processSourceFile(resolvedTypeReferenceDirective.resolvedFileName!, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, resolvedTypeReferenceDirective.packageId, refFile, refPos, refEnd);
|
|
}
|
|
}
|
|
|
|
if (resolvedTypeReferenceDirective.isExternalLibraryImport) currentNodeModulesDepth--;
|
|
}
|
|
else {
|
|
fileProcessingDiagnostics.add(createDiagnostic(refFile!, refPos!, refEnd!, Diagnostics.Cannot_find_type_definition_file_for_0, typeReferenceDirective)); // TODO: GH#18217
|
|
}
|
|
|
|
if (saveResolution) {
|
|
resolvedTypeReferenceDirectives.set(typeReferenceDirective, resolvedTypeReferenceDirective);
|
|
}
|
|
}
|
|
|
|
function processLibReferenceDirectives(file: SourceFile) {
|
|
forEach(file.libReferenceDirectives, libReference => {
|
|
const libName = libReference.fileName.toLocaleLowerCase();
|
|
const libFileName = libMap.get(libName);
|
|
if (libFileName) {
|
|
// we ignore any 'no-default-lib' reference set on this file.
|
|
processRootFile(combinePaths(defaultLibraryPath, libFileName), /*isDefaultLib*/ true, /*ignoreNoDefaultLib*/ true);
|
|
}
|
|
else {
|
|
const unqualifiedLibName = removeSuffix(removePrefix(libName, "lib."), ".d.ts");
|
|
const suggestion = getSpellingSuggestion(unqualifiedLibName, libs, identity);
|
|
const message = suggestion ? Diagnostics.Cannot_find_lib_definition_for_0_Did_you_mean_1 : Diagnostics.Cannot_find_lib_definition_for_0;
|
|
fileProcessingDiagnostics.add(createDiagnostic(file, libReference.pos, libReference.end, message, libName, suggestion));
|
|
}
|
|
});
|
|
}
|
|
|
|
function createDiagnostic(refFile: SourceFile, refPos: number, refEnd: number, message: DiagnosticMessage, ...args: any[]): Diagnostic {
|
|
if (refFile === undefined || refPos === undefined || refEnd === undefined) {
|
|
return createCompilerDiagnostic(message, ...args);
|
|
}
|
|
else {
|
|
return createFileDiagnostic(refFile, refPos, refEnd - refPos, message, ...args);
|
|
}
|
|
}
|
|
|
|
function getCanonicalFileName(fileName: string): string {
|
|
return host.getCanonicalFileName(fileName);
|
|
}
|
|
|
|
function processImportedModules(file: SourceFile) {
|
|
collectExternalModuleReferences(file);
|
|
if (file.imports.length || file.moduleAugmentations.length) {
|
|
// Because global augmentation doesn't have string literal name, we can check for global augmentation as such.
|
|
const moduleNames = getModuleNames(file);
|
|
const oldProgramState: OldProgramState = { program: oldProgram, oldSourceFile: oldProgram && oldProgram.getSourceFile(file.fileName), modifiedFilePaths };
|
|
const resolutions = resolveModuleNamesReusingOldState(moduleNames, getNormalizedAbsolutePath(file.originalFileName, currentDirectory), file, oldProgramState);
|
|
Debug.assert(resolutions.length === moduleNames.length);
|
|
for (let i = 0; i < moduleNames.length; i++) {
|
|
const resolution = resolutions[i];
|
|
setResolvedModule(file, moduleNames[i], resolution);
|
|
|
|
if (!resolution) {
|
|
continue;
|
|
}
|
|
|
|
const isFromNodeModulesSearch = resolution.isExternalLibraryImport;
|
|
const isJsFile = !resolutionExtensionIsTSOrJson(resolution.extension);
|
|
const isJsFileFromNodeModules = isFromNodeModulesSearch && isJsFile;
|
|
const resolvedFileName = resolution.resolvedFileName;
|
|
|
|
if (isFromNodeModulesSearch) {
|
|
currentNodeModulesDepth++;
|
|
}
|
|
|
|
// add file to program only if:
|
|
// - resolution was successful
|
|
// - noResolve is falsy
|
|
// - module name comes from the list of imports
|
|
// - it's not a top level JavaScript module that exceeded the search max
|
|
const elideImport = isJsFileFromNodeModules && currentNodeModulesDepth > maxNodeModuleJsDepth;
|
|
// Don't add the file if it has a bad extension (e.g. 'tsx' if we don't have '--allowJs')
|
|
// This may still end up being an untyped module -- the file won't be included but imports will be allowed.
|
|
const shouldAddFile = resolvedFileName
|
|
&& !getResolutionDiagnostic(options, resolution)
|
|
&& !options.noResolve
|
|
&& i < file.imports.length
|
|
&& !elideImport
|
|
&& !(isJsFile && !options.allowJs)
|
|
&& (isInJSFile(file.imports[i]) || !(file.imports[i].flags & NodeFlags.JSDoc));
|
|
|
|
if (elideImport) {
|
|
modulesWithElidedImports.set(file.path, true);
|
|
}
|
|
else if (shouldAddFile) {
|
|
const path = toPath(resolvedFileName);
|
|
const pos = skipTrivia(file.text, file.imports[i].pos);
|
|
findSourceFile(resolvedFileName, path, /*isDefaultLib*/ false, /*ignoreNoDefaultLib*/ false, file, pos, file.imports[i].end, resolution.packageId);
|
|
}
|
|
|
|
if (isFromNodeModulesSearch) {
|
|
currentNodeModulesDepth--;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// no imports - drop cached module resolutions
|
|
file.resolvedModules = undefined;
|
|
}
|
|
}
|
|
|
|
function computeCommonSourceDirectory(sourceFiles: SourceFile[]): string {
|
|
const fileNames = mapDefined(sourceFiles, file => file.isDeclarationFile ? undefined : file.fileName);
|
|
return computeCommonSourceDirectoryOfFilenames(fileNames, currentDirectory, getCanonicalFileName);
|
|
}
|
|
|
|
function checkSourceFilesBelongToPath(sourceFiles: ReadonlyArray<SourceFile>, rootDirectory: string): boolean {
|
|
let allFilesBelongToPath = true;
|
|
const absoluteRootDirectoryPath = host.getCanonicalFileName(getNormalizedAbsolutePath(rootDirectory, currentDirectory));
|
|
|
|
for (const sourceFile of sourceFiles) {
|
|
if (!sourceFile.isDeclarationFile) {
|
|
const absoluteSourceFilePath = host.getCanonicalFileName(getNormalizedAbsolutePath(sourceFile.fileName, currentDirectory));
|
|
if (absoluteSourceFilePath.indexOf(absoluteRootDirectoryPath) !== 0) {
|
|
programDiagnostics.add(createCompilerDiagnostic(Diagnostics.File_0_is_not_under_rootDir_1_rootDir_is_expected_to_contain_all_source_files, sourceFile.fileName, rootDirectory));
|
|
allFilesBelongToPath = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return allFilesBelongToPath;
|
|
}
|
|
|
|
function parseProjectReferenceConfigFile(ref: ProjectReference): ResolvedProjectReference | undefined {
|
|
if (!projectReferenceRedirects) {
|
|
projectReferenceRedirects = createMap<ResolvedProjectReference | false>();
|
|
}
|
|
|
|
// The actual filename (i.e. add "/tsconfig.json" if necessary)
|
|
const refPath = resolveProjectReferencePath(ref);
|
|
const sourceFilePath = toPath(refPath);
|
|
const fromCache = projectReferenceRedirects.get(sourceFilePath);
|
|
if (fromCache !== undefined) {
|
|
return fromCache || undefined;
|
|
}
|
|
|
|
// An absolute path pointing to the containing directory of the config file
|
|
const basePath = getNormalizedAbsolutePath(getDirectoryPath(refPath), host.getCurrentDirectory());
|
|
const sourceFile = host.getSourceFile(refPath, ScriptTarget.JSON) as JsonSourceFile | undefined;
|
|
addFileToFilesByName(sourceFile, sourceFilePath, /*redirectedPath*/ undefined);
|
|
if (sourceFile === undefined) {
|
|
projectReferenceRedirects.set(sourceFilePath, false);
|
|
return undefined;
|
|
}
|
|
sourceFile.path = sourceFilePath;
|
|
sourceFile.resolvedPath = sourceFilePath;
|
|
sourceFile.originalFileName = refPath;
|
|
const commandLine = parseJsonSourceFileConfigFileContent(sourceFile, configParsingHost, basePath, /*existingOptions*/ undefined, refPath);
|
|
const resolvedRef: ResolvedProjectReference = { commandLine, sourceFile };
|
|
projectReferenceRedirects.set(sourceFilePath, resolvedRef);
|
|
if (commandLine.projectReferences) {
|
|
resolvedRef.references = commandLine.projectReferences.map(parseProjectReferenceConfigFile);
|
|
}
|
|
return resolvedRef;
|
|
}
|
|
|
|
function verifyCompilerOptions() {
|
|
if (options.strictPropertyInitialization && !getStrictOptionValue(options, "strictNullChecks")) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "strictPropertyInitialization", "strictNullChecks");
|
|
}
|
|
|
|
if (options.isolatedModules) {
|
|
if (getEmitDeclarations(options)) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, getEmitDeclarationOptionName(options), "isolatedModules");
|
|
}
|
|
|
|
if (options.noEmitOnError) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "noEmitOnError", "isolatedModules");
|
|
}
|
|
|
|
if (options.out) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "isolatedModules");
|
|
}
|
|
|
|
if (options.outFile) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "outFile", "isolatedModules");
|
|
}
|
|
}
|
|
|
|
if (options.inlineSourceMap) {
|
|
if (options.sourceMap) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "sourceMap", "inlineSourceMap");
|
|
}
|
|
if (options.mapRoot) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "mapRoot", "inlineSourceMap");
|
|
}
|
|
}
|
|
|
|
if (options.paths && options.baseUrl === undefined) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_paths_cannot_be_used_without_specifying_baseUrl_option, "paths");
|
|
}
|
|
|
|
if (options.composite) {
|
|
if (options.declaration === false) {
|
|
createDiagnosticForOptionName(Diagnostics.Composite_projects_may_not_disable_declaration_emit, "declaration");
|
|
}
|
|
}
|
|
|
|
verifyProjectReferences();
|
|
|
|
// List of collected files is complete; validate exhautiveness if this is a project with a file list
|
|
if (options.composite) {
|
|
const sourceFiles = files.filter(f => !f.isDeclarationFile);
|
|
if (rootNames.length < sourceFiles.length) {
|
|
const normalizedRootNames = rootNames.map(r => normalizePath(r).toLowerCase());
|
|
for (const file of sourceFiles.map(f => normalizePath(f.path).toLowerCase())) {
|
|
if (normalizedRootNames.indexOf(file) === -1) {
|
|
programDiagnostics.add(createCompilerDiagnostic(Diagnostics.File_0_is_not_in_project_file_list_Projects_must_list_all_files_or_use_an_include_pattern, file));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (options.paths) {
|
|
for (const key in options.paths) {
|
|
if (!hasProperty(options.paths, key)) {
|
|
continue;
|
|
}
|
|
if (!hasZeroOrOneAsteriskCharacter(key)) {
|
|
createDiagnosticForOptionPaths(/*onKey*/ true, key, Diagnostics.Pattern_0_can_have_at_most_one_Asterisk_character, key);
|
|
}
|
|
if (isArray(options.paths[key])) {
|
|
const len = options.paths[key].length;
|
|
if (len === 0) {
|
|
createDiagnosticForOptionPaths(/*onKey*/ false, key, Diagnostics.Substitutions_for_pattern_0_shouldn_t_be_an_empty_array, key);
|
|
}
|
|
for (let i = 0; i < len; i++) {
|
|
const subst = options.paths[key][i];
|
|
const typeOfSubst = typeof subst;
|
|
if (typeOfSubst === "string") {
|
|
if (!hasZeroOrOneAsteriskCharacter(subst)) {
|
|
createDiagnosticForOptionPathKeyValue(key, i, Diagnostics.Substitution_0_in_pattern_1_in_can_have_at_most_one_Asterisk_character, subst, key);
|
|
}
|
|
}
|
|
else {
|
|
createDiagnosticForOptionPathKeyValue(key, i, Diagnostics.Substitution_0_for_pattern_1_has_incorrect_type_expected_string_got_2, subst, key, typeOfSubst);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
createDiagnosticForOptionPaths(/*onKey*/ false, key, Diagnostics.Substitutions_for_pattern_0_should_be_an_array, key);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!options.sourceMap && !options.inlineSourceMap) {
|
|
if (options.inlineSources) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "inlineSources");
|
|
}
|
|
if (options.sourceRoot) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_can_only_be_used_when_either_option_inlineSourceMap_or_option_sourceMap_is_provided, "sourceRoot");
|
|
}
|
|
}
|
|
|
|
if (options.out && options.outFile) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "out", "outFile");
|
|
}
|
|
|
|
if (options.mapRoot && !(options.sourceMap || options.declarationMap)) {
|
|
// Error to specify --mapRoot without --sourcemap
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "mapRoot", "sourceMap", "declarationMap");
|
|
}
|
|
|
|
if (options.declarationDir) {
|
|
if (!getEmitDeclarations(options)) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "declarationDir", "declaration", "composite");
|
|
}
|
|
if (options.out || options.outFile) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "declarationDir", options.out ? "out" : "outFile");
|
|
}
|
|
}
|
|
|
|
if (options.declarationMap && !getEmitDeclarations(options)) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "declarationMap", "declaration", "composite");
|
|
}
|
|
|
|
if (options.lib && options.noLib) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "lib", "noLib");
|
|
}
|
|
|
|
if (options.noImplicitUseStrict && getStrictOptionValue(options, "alwaysStrict")) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "noImplicitUseStrict", "alwaysStrict");
|
|
}
|
|
|
|
const languageVersion = options.target || ScriptTarget.ES3;
|
|
const outFile = options.outFile || options.out;
|
|
|
|
const firstNonAmbientExternalModuleSourceFile = forEach(files, f => isExternalModule(f) && !f.isDeclarationFile ? f : undefined);
|
|
if (options.isolatedModules) {
|
|
if (options.module === ModuleKind.None && languageVersion < ScriptTarget.ES2015) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_isolatedModules_can_only_be_used_when_either_option_module_is_provided_or_option_target_is_ES2015_or_higher, "isolatedModules", "target");
|
|
}
|
|
|
|
const firstNonExternalModuleSourceFile = forEach(files, f => !isExternalModule(f) && !f.isDeclarationFile ? f : undefined);
|
|
if (firstNonExternalModuleSourceFile) {
|
|
const span = getErrorSpanForNode(firstNonExternalModuleSourceFile, firstNonExternalModuleSourceFile);
|
|
programDiagnostics.add(createFileDiagnostic(firstNonExternalModuleSourceFile, span.start, span.length, Diagnostics.Cannot_compile_namespaces_when_the_isolatedModules_flag_is_provided));
|
|
}
|
|
}
|
|
else if (firstNonAmbientExternalModuleSourceFile && languageVersion < ScriptTarget.ES2015 && options.module === ModuleKind.None) {
|
|
// We cannot use createDiagnosticFromNode because nodes do not have parents yet
|
|
const span = getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator!);
|
|
programDiagnostics.add(createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span.start, span.length, Diagnostics.Cannot_use_imports_exports_or_module_augmentations_when_module_is_none));
|
|
}
|
|
|
|
// Cannot specify module gen that isn't amd or system with --out
|
|
if (outFile && !options.emitDeclarationOnly) {
|
|
if (options.module && !(options.module === ModuleKind.AMD || options.module === ModuleKind.System)) {
|
|
createDiagnosticForOptionName(Diagnostics.Only_amd_and_system_modules_are_supported_alongside_0, options.out ? "out" : "outFile", "module");
|
|
}
|
|
else if (options.module === undefined && firstNonAmbientExternalModuleSourceFile) {
|
|
const span = getErrorSpanForNode(firstNonAmbientExternalModuleSourceFile, firstNonAmbientExternalModuleSourceFile.externalModuleIndicator!);
|
|
programDiagnostics.add(createFileDiagnostic(firstNonAmbientExternalModuleSourceFile, span.start, span.length, Diagnostics.Cannot_compile_modules_using_option_0_unless_the_module_flag_is_amd_or_system, options.out ? "out" : "outFile"));
|
|
}
|
|
}
|
|
|
|
if (options.resolveJsonModule) {
|
|
if (getEmitModuleResolutionKind(options) !== ModuleResolutionKind.NodeJs) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_resolveJsonModule_cannot_be_specified_without_node_module_resolution_strategy, "resolveJsonModule");
|
|
}
|
|
// Any emit other than common js, amd, es2015 or esnext is error
|
|
else if (!hasJsonModuleEmitEnabled(options)) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_resolveJsonModule_can_only_be_specified_when_module_code_generation_is_commonjs_amd_es2015_or_esNext, "resolveJsonModule", "module");
|
|
}
|
|
}
|
|
|
|
// there has to be common source directory if user specified --outdir || --sourceRoot
|
|
// if user specified --mapRoot, there needs to be common source directory if there would be multiple files being emitted
|
|
if (options.outDir || // there is --outDir specified
|
|
options.sourceRoot || // there is --sourceRoot specified
|
|
options.mapRoot) { // there is --mapRoot specified
|
|
|
|
// Precalculate and cache the common source directory
|
|
const dir = getCommonSourceDirectory();
|
|
|
|
// If we failed to find a good common directory, but outDir is specified and at least one of our files is on a windows drive/URL/other resource, add a failure
|
|
if (options.outDir && dir === "" && forEach(files, file => getRootLength(file.fileName) > 1)) {
|
|
createDiagnosticForOptionName(Diagnostics.Cannot_find_the_common_subdirectory_path_for_the_input_files, "outDir");
|
|
}
|
|
}
|
|
|
|
if (!options.noEmit && options.allowJs && getEmitDeclarations(options)) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "allowJs", getEmitDeclarationOptionName(options));
|
|
}
|
|
|
|
if (options.checkJs && !options.allowJs) {
|
|
programDiagnostics.add(createCompilerDiagnostic(Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "checkJs", "allowJs"));
|
|
}
|
|
|
|
if (options.emitDeclarationOnly) {
|
|
if (!getEmitDeclarations(options)) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1_or_option_2, "emitDeclarationOnly", "declaration", "composite");
|
|
}
|
|
|
|
if (options.noEmit) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "emitDeclarationOnly", "noEmit");
|
|
}
|
|
}
|
|
|
|
if (options.emitDecoratorMetadata &&
|
|
!options.experimentalDecorators) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_without_specifying_option_1, "emitDecoratorMetadata", "experimentalDecorators");
|
|
}
|
|
|
|
if (options.jsxFactory) {
|
|
if (options.reactNamespace) {
|
|
createDiagnosticForOptionName(Diagnostics.Option_0_cannot_be_specified_with_option_1, "reactNamespace", "jsxFactory");
|
|
}
|
|
if (!parseIsolatedEntityName(options.jsxFactory, languageVersion)) {
|
|
createOptionValueDiagnostic("jsxFactory", Diagnostics.Invalid_value_for_jsxFactory_0_is_not_a_valid_identifier_or_qualified_name, options.jsxFactory);
|
|
}
|
|
}
|
|
else if (options.reactNamespace && !isIdentifierText(options.reactNamespace, languageVersion)) {
|
|
createOptionValueDiagnostic("reactNamespace", Diagnostics.Invalid_value_for_reactNamespace_0_is_not_a_valid_identifier, options.reactNamespace);
|
|
}
|
|
|
|
// If the emit is enabled make sure that every output file is unique and not overwriting any of the input files
|
|
if (!options.noEmit && !options.suppressOutputPathCheck) {
|
|
const emitHost = getEmitHost();
|
|
const emitFilesSeen = createMap<true>();
|
|
forEachEmittedFile(emitHost, (emitFileNames) => {
|
|
if (!options.emitDeclarationOnly) {
|
|
verifyEmitFilePath(emitFileNames.jsFilePath, emitFilesSeen);
|
|
}
|
|
verifyEmitFilePath(emitFileNames.declarationFilePath, emitFilesSeen);
|
|
});
|
|
}
|
|
|
|
// Verify that all the emit files are unique and don't overwrite input files
|
|
function verifyEmitFilePath(emitFileName: string | undefined, emitFilesSeen: Map<true>) {
|
|
if (emitFileName) {
|
|
const emitFilePath = toPath(emitFileName);
|
|
// Report error if the output overwrites input file
|
|
if (filesByName.has(emitFilePath)) {
|
|
let chain: DiagnosticMessageChain | undefined;
|
|
if (!options.configFilePath) {
|
|
// The program is from either an inferred project or an external project
|
|
chain = chainDiagnosticMessages(/*details*/ undefined, Diagnostics.Adding_a_tsconfig_json_file_will_help_organize_projects_that_contain_both_TypeScript_and_JavaScript_files_Learn_more_at_https_Colon_Slash_Slashaka_ms_Slashtsconfig);
|
|
}
|
|
chain = chainDiagnosticMessages(chain, Diagnostics.Cannot_write_file_0_because_it_would_overwrite_input_file, emitFileName);
|
|
blockEmittingOfFile(emitFileName, createCompilerDiagnosticFromMessageChain(chain));
|
|
}
|
|
|
|
const emitFileKey = !host.useCaseSensitiveFileNames() ? emitFilePath.toLocaleLowerCase() : emitFilePath;
|
|
// Report error if multiple files write into same file
|
|
if (emitFilesSeen.has(emitFileKey)) {
|
|
// Already seen the same emit file - report error
|
|
blockEmittingOfFile(emitFileName, createCompilerDiagnostic(Diagnostics.Cannot_write_file_0_because_it_would_be_overwritten_by_multiple_input_files, emitFileName));
|
|
}
|
|
else {
|
|
emitFilesSeen.set(emitFileKey, true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function verifyProjectReferences() {
|
|
forEachProjectReference(projectReferences, resolvedProjectReferences, (resolvedRef, index, parent) => {
|
|
const ref = (parent ? parent.commandLine.projectReferences : projectReferences)![index];
|
|
const parentFile = parent && parent.sourceFile as JsonSourceFile;
|
|
if (!resolvedRef) {
|
|
createDiagnosticForReference(parentFile, index, Diagnostics.File_0_not_found, ref.path);
|
|
return;
|
|
}
|
|
const options = resolvedRef.commandLine.options;
|
|
if (!options.composite) {
|
|
createDiagnosticForReference(parentFile, index, Diagnostics.Referenced_project_0_must_have_setting_composite_Colon_true, ref.path);
|
|
}
|
|
if (ref.prepend) {
|
|
const out = options.outFile || options.out;
|
|
if (out) {
|
|
if (!host.fileExists(out)) {
|
|
createDiagnosticForReference(parentFile, index, Diagnostics.Output_file_0_from_project_1_does_not_exist, out, ref.path);
|
|
}
|
|
}
|
|
else {
|
|
createDiagnosticForReference(parentFile, index, Diagnostics.Cannot_prepend_project_0_because_it_does_not_have_outFile_set, ref.path);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
function createDiagnosticForOptionPathKeyValue(key: string, valueIndex: number, message: DiagnosticMessage, arg0: string | number, arg1: string | number, arg2?: string | number) {
|
|
let needCompilerDiagnostic = true;
|
|
const pathsSyntax = getOptionPathsSyntax();
|
|
for (const pathProp of pathsSyntax) {
|
|
if (isObjectLiteralExpression(pathProp.initializer)) {
|
|
for (const keyProps of getPropertyAssignment(pathProp.initializer, key)) {
|
|
const initializer = keyProps.initializer;
|
|
if (isArrayLiteralExpression(initializer) && initializer.elements.length > valueIndex) {
|
|
programDiagnostics.add(createDiagnosticForNodeInSourceFile(options.configFile!, initializer.elements[valueIndex], message, arg0, arg1, arg2));
|
|
needCompilerDiagnostic = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (needCompilerDiagnostic) {
|
|
programDiagnostics.add(createCompilerDiagnostic(message, arg0, arg1, arg2));
|
|
}
|
|
}
|
|
|
|
function createDiagnosticForOptionPaths(onKey: boolean, key: string, message: DiagnosticMessage, arg0: string | number) {
|
|
let needCompilerDiagnostic = true;
|
|
const pathsSyntax = getOptionPathsSyntax();
|
|
for (const pathProp of pathsSyntax) {
|
|
if (isObjectLiteralExpression(pathProp.initializer) &&
|
|
createOptionDiagnosticInObjectLiteralSyntax(
|
|
pathProp.initializer, onKey, key, /*key2*/ undefined,
|
|
message, arg0)) {
|
|
needCompilerDiagnostic = false;
|
|
}
|
|
}
|
|
if (needCompilerDiagnostic) {
|
|
programDiagnostics.add(createCompilerDiagnostic(message, arg0));
|
|
}
|
|
}
|
|
|
|
function getOptionsSyntaxByName(name: string): object | undefined {
|
|
const compilerOptionsObjectLiteralSyntax = getCompilerOptionsObjectLiteralSyntax();
|
|
if (compilerOptionsObjectLiteralSyntax) {
|
|
return getPropertyAssignment(compilerOptionsObjectLiteralSyntax, name);
|
|
}
|
|
return undefined;
|
|
}
|
|
|
|
function getOptionPathsSyntax(): PropertyAssignment[] {
|
|
return getOptionsSyntaxByName("paths") as PropertyAssignment[] || emptyArray;
|
|
}
|
|
|
|
function createDiagnosticForOptionName(message: DiagnosticMessage, option1: string, option2?: string, option3?: string) {
|
|
createDiagnosticForOption(/*onKey*/ true, option1, option2, message, option1, option2, option3);
|
|
}
|
|
|
|
function createOptionValueDiagnostic(option1: string, message: DiagnosticMessage, arg0: string) {
|
|
createDiagnosticForOption(/*onKey*/ false, option1, /*option2*/ undefined, message, arg0);
|
|
}
|
|
|
|
function createDiagnosticForReference(sourceFile: JsonSourceFile | undefined, index: number, message: DiagnosticMessage, arg0?: string | number, arg1?: string | number) {
|
|
const referencesSyntax = firstDefined(getTsConfigPropArray(sourceFile || options.configFile, "references"),
|
|
property => isArrayLiteralExpression(property.initializer) ? property.initializer : undefined);
|
|
if (referencesSyntax && referencesSyntax.elements.length > index) {
|
|
programDiagnostics.add(createDiagnosticForNodeInSourceFile(sourceFile || options.configFile!, referencesSyntax.elements[index], message, arg0, arg1));
|
|
}
|
|
else {
|
|
programDiagnostics.add(createCompilerDiagnostic(message, arg0, arg1));
|
|
}
|
|
}
|
|
|
|
function createDiagnosticForOption(onKey: boolean, option1: string, option2: string | undefined, message: DiagnosticMessage, arg0: string | number, arg1?: string | number, arg2?: string | number) {
|
|
const compilerOptionsObjectLiteralSyntax = getCompilerOptionsObjectLiteralSyntax();
|
|
const needCompilerDiagnostic = !compilerOptionsObjectLiteralSyntax ||
|
|
!createOptionDiagnosticInObjectLiteralSyntax(compilerOptionsObjectLiteralSyntax, onKey, option1, option2, message, arg0, arg1, arg2);
|
|
|
|
if (needCompilerDiagnostic) {
|
|
programDiagnostics.add(createCompilerDiagnostic(message, arg0, arg1, arg2));
|
|
}
|
|
}
|
|
|
|
function getCompilerOptionsObjectLiteralSyntax() {
|
|
if (_compilerOptionsObjectLiteralSyntax === undefined) {
|
|
_compilerOptionsObjectLiteralSyntax = null; // tslint:disable-line:no-null-keyword
|
|
const jsonObjectLiteral = getTsConfigObjectLiteralExpression(options.configFile);
|
|
if (jsonObjectLiteral) {
|
|
for (const prop of getPropertyAssignment(jsonObjectLiteral, "compilerOptions")) {
|
|
if (isObjectLiteralExpression(prop.initializer)) {
|
|
_compilerOptionsObjectLiteralSyntax = prop.initializer;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return _compilerOptionsObjectLiteralSyntax;
|
|
}
|
|
|
|
function createOptionDiagnosticInObjectLiteralSyntax(objectLiteral: ObjectLiteralExpression, onKey: boolean, key1: string, key2: string | undefined, message: DiagnosticMessage, arg0: string | number, arg1?: string | number, arg2?: string | number): boolean {
|
|
const props = getPropertyAssignment(objectLiteral, key1, key2);
|
|
for (const prop of props) {
|
|
programDiagnostics.add(createDiagnosticForNodeInSourceFile(options.configFile!, onKey ? prop.name : prop.initializer, message, arg0, arg1, arg2));
|
|
}
|
|
return !!props.length;
|
|
}
|
|
|
|
function blockEmittingOfFile(emitFileName: string, diag: Diagnostic) {
|
|
hasEmitBlockingDiagnostics.set(toPath(emitFileName), true);
|
|
programDiagnostics.add(diag);
|
|
}
|
|
|
|
function isEmittedFile(file: string): boolean {
|
|
if (options.noEmit) {
|
|
return false;
|
|
}
|
|
|
|
// If this is source file, its not emitted file
|
|
const filePath = toPath(file);
|
|
if (getSourceFileByPath(filePath)) {
|
|
return false;
|
|
}
|
|
|
|
// If options have --outFile or --out just check that
|
|
const out = options.outFile || options.out;
|
|
if (out) {
|
|
return isSameFile(filePath, out) || isSameFile(filePath, removeFileExtension(out) + Extension.Dts);
|
|
}
|
|
|
|
// If declarationDir is specified, return if its a file in that directory
|
|
if (options.declarationDir && containsPath(options.declarationDir, filePath, currentDirectory, !host.useCaseSensitiveFileNames())) {
|
|
return true;
|
|
}
|
|
|
|
// If --outDir, check if file is in that directory
|
|
if (options.outDir) {
|
|
return containsPath(options.outDir, filePath, currentDirectory, !host.useCaseSensitiveFileNames());
|
|
}
|
|
|
|
if (fileExtensionIsOneOf(filePath, supportedJSExtensions) || fileExtensionIs(filePath, Extension.Dts)) {
|
|
// Otherwise just check if sourceFile with the name exists
|
|
const filePathWithoutExtension = removeFileExtension(filePath);
|
|
return !!getSourceFileByPath((filePathWithoutExtension + Extension.Ts) as Path) ||
|
|
!!getSourceFileByPath((filePathWithoutExtension + Extension.Tsx) as Path);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function isSameFile(file1: string, file2: string) {
|
|
return comparePaths(file1, file2, currentDirectory, !host.useCaseSensitiveFileNames()) === Comparison.EqualTo;
|
|
}
|
|
}
|
|
|
|
/* @internal */
|
|
export function parseConfigHostFromCompilerHost(host: CompilerHost): ParseConfigFileHost {
|
|
return {
|
|
fileExists: f => host.fileExists(f),
|
|
readDirectory(root, extensions, excludes, includes, depth) {
|
|
Debug.assertDefined(host.readDirectory, "'CompilerHost.readDirectory' must be implemented to correctly process 'projectReferences'");
|
|
return host.readDirectory!(root, extensions, excludes, includes, depth);
|
|
},
|
|
readFile: f => host.readFile(f),
|
|
useCaseSensitiveFileNames: host.useCaseSensitiveFileNames(),
|
|
getCurrentDirectory: () => host.getCurrentDirectory(),
|
|
onUnRecoverableConfigFileDiagnostic: () => undefined,
|
|
trace: host.trace ? (s) => host.trace!(s) : undefined
|
|
};
|
|
}
|
|
|
|
// For backward compatibility
|
|
/** @deprecated */ export interface ResolveProjectReferencePathHost {
|
|
fileExists(fileName: string): boolean;
|
|
}
|
|
|
|
/**
|
|
* Returns the target config filename of a project reference.
|
|
* Note: The file might not exist.
|
|
*/
|
|
export function resolveProjectReferencePath(ref: ProjectReference): ResolvedConfigFileName;
|
|
/** @deprecated */ export function resolveProjectReferencePath(host: ResolveProjectReferencePathHost, ref: ProjectReference): ResolvedConfigFileName;
|
|
export function resolveProjectReferencePath(hostOrRef: ResolveProjectReferencePathHost | ProjectReference, ref?: ProjectReference): ResolvedConfigFileName {
|
|
const passedInRef = ref ? ref : hostOrRef as ProjectReference;
|
|
return resolveConfigFileProjectName(passedInRef.path);
|
|
}
|
|
|
|
function getEmitDeclarationOptionName(options: CompilerOptions) {
|
|
return options.declaration ? "declaration" : "composite";
|
|
}
|
|
/* @internal */
|
|
/**
|
|
* Returns a DiagnosticMessage if we won't include a resolved module due to its extension.
|
|
* The DiagnosticMessage's parameters are the imported module name, and the filename it resolved to.
|
|
* This returns a diagnostic even if the module will be an untyped module.
|
|
*/
|
|
export function getResolutionDiagnostic(options: CompilerOptions, { extension }: ResolvedModuleFull): DiagnosticMessage | undefined {
|
|
switch (extension) {
|
|
case Extension.Ts:
|
|
case Extension.Dts:
|
|
// These are always allowed.
|
|
return undefined;
|
|
case Extension.Tsx:
|
|
return needJsx();
|
|
case Extension.Jsx:
|
|
return needJsx() || needAllowJs();
|
|
case Extension.Js:
|
|
return needAllowJs();
|
|
case Extension.Json:
|
|
return needResolveJsonModule();
|
|
}
|
|
|
|
function needJsx() {
|
|
return options.jsx ? undefined : Diagnostics.Module_0_was_resolved_to_1_but_jsx_is_not_set;
|
|
}
|
|
function needAllowJs() {
|
|
return options.allowJs || !getStrictOptionValue(options, "noImplicitAny") ? undefined : Diagnostics.Could_not_find_a_declaration_file_for_module_0_1_implicitly_has_an_any_type;
|
|
}
|
|
function needResolveJsonModule() {
|
|
return options.resolveJsonModule ? undefined : Diagnostics.Module_0_was_resolved_to_1_but_resolveJsonModule_is_not_used;
|
|
}
|
|
}
|
|
|
|
function getModuleNames({ imports, moduleAugmentations }: SourceFile): string[] {
|
|
const res = imports.map(i => i.text);
|
|
for (const aug of moduleAugmentations) {
|
|
if (aug.kind === SyntaxKind.StringLiteral) {
|
|
res.push(aug.text);
|
|
}
|
|
// Do nothing if it's an Identifier; we don't need to do module resolution for `declare global`.
|
|
}
|
|
return res;
|
|
}
|
|
}
|