mirror of
https://github.com/microsoft/TypeScript.git
synced 2026-02-05 16:38:05 -06:00
593 lines
31 KiB
TypeScript
593 lines
31 KiB
TypeScript
/// <reference path="types.ts"/>
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/// <reference path="core.ts"/>
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/// <reference path="watchUtilities.ts"/>
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/*@internal*/
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namespace ts {
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/** This is the cache of module/typedirectives resolution that can be retained across program */
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export interface ResolutionCache {
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startRecordingFilesWithChangedResolutions(): void;
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finishRecordingFilesWithChangedResolutions(): Path[];
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resolveModuleNames(moduleNames: string[], containingFile: string, reusedNames: string[] | undefined, logChanges: boolean): ResolvedModuleFull[];
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resolveTypeReferenceDirectives(typeDirectiveNames: string[], containingFile: string): ResolvedTypeReferenceDirective[];
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invalidateResolutionOfFile(filePath: Path): void;
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removeResolutionsOfFile(filePath: Path): void;
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createHasInvalidatedResolution(): HasInvalidatedResolution;
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startCachingPerDirectoryResolution(): void;
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finishCachingPerDirectoryResolution(): void;
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updateTypeRootsWatch(): void;
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closeTypeRootsWatch(): void;
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clear(): void;
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}
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interface ResolutionWithFailedLookupLocations {
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readonly failedLookupLocations: ReadonlyArray<string>;
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isInvalidated?: boolean;
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}
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interface ResolutionWithResolvedFileName {
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resolvedFileName: string | undefined;
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}
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interface ResolvedModuleWithFailedLookupLocations extends ts.ResolvedModuleWithFailedLookupLocations, ResolutionWithFailedLookupLocations {
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}
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interface ResolvedTypeReferenceDirectiveWithFailedLookupLocations extends ts.ResolvedTypeReferenceDirectiveWithFailedLookupLocations, ResolutionWithFailedLookupLocations {
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}
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export interface ResolutionCacheHost extends ModuleResolutionHost {
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toPath(fileName: string): Path;
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getCompilationSettings(): CompilerOptions;
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watchDirectoryOfFailedLookupLocation(directory: string, cb: DirectoryWatcherCallback, flags: WatchDirectoryFlags): FileWatcher;
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onInvalidatedResolution(): void;
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watchTypeRootsDirectory(directory: string, cb: DirectoryWatcherCallback, flags: WatchDirectoryFlags): FileWatcher;
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onChangedAutomaticTypeDirectiveNames(): void;
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getCachedDirectoryStructureHost?(): CachedDirectoryStructureHost;
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projectName?: string;
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getGlobalCache?(): string | undefined;
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writeLog(s: string): void;
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maxNumberOfFilesToIterateForInvalidation?: number;
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}
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interface DirectoryWatchesOfFailedLookup {
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/** watcher for the directory of failed lookup */
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watcher: FileWatcher;
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/** ref count keeping this directory watch alive */
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refCount: number;
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}
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interface DirectoryOfFailedLookupWatch {
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dir: string;
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dirPath: Path;
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}
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export const maxNumberOfFilesToIterateForInvalidation = 256;
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interface GetResolutionWithResolvedFileName<T extends ResolutionWithFailedLookupLocations = ResolutionWithFailedLookupLocations, R extends ResolutionWithResolvedFileName = ResolutionWithResolvedFileName> {
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(resolution: T): R;
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}
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export function createResolutionCache(resolutionHost: ResolutionCacheHost, rootDirForResolution: string): ResolutionCache {
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let filesWithChangedSetOfUnresolvedImports: Path[] | undefined;
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let filesWithInvalidatedResolutions: Map<true> | undefined;
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let allFilesHaveInvalidatedResolution = false;
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// The resolvedModuleNames and resolvedTypeReferenceDirectives are the cache of resolutions per file.
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// The key in the map is source file's path.
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// The values are Map of resolutions with key being name lookedup.
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const resolvedModuleNames = createMap<Map<ResolvedModuleWithFailedLookupLocations>>();
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const perDirectoryResolvedModuleNames = createMap<Map<ResolvedModuleWithFailedLookupLocations>>();
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const resolvedTypeReferenceDirectives = createMap<Map<ResolvedTypeReferenceDirectiveWithFailedLookupLocations>>();
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const perDirectoryResolvedTypeReferenceDirectives = createMap<Map<ResolvedTypeReferenceDirectiveWithFailedLookupLocations>>();
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const getCurrentDirectory = memoize(() => resolutionHost.getCurrentDirectory());
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/**
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* These are the extensions that failed lookup files will have by default,
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* any other extension of failed lookup will be store that path in custom failed lookup path
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* This helps in not having to comb through all resolutions when files are added/removed
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* Note that .d.ts file also has .d.ts extension hence will be part of default extensions
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*/
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const failedLookupDefaultExtensions = [Extension.Ts, Extension.Tsx, Extension.Js, Extension.Jsx, Extension.Json];
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const customFailedLookupPaths = createMap<number>();
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const directoryWatchesOfFailedLookups = createMap<DirectoryWatchesOfFailedLookup>();
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const rootDir = rootDirForResolution && removeTrailingDirectorySeparator(getNormalizedAbsolutePath(rootDirForResolution, getCurrentDirectory()));
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const rootPath = rootDir && resolutionHost.toPath(rootDir);
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// TypeRoot watches for the types that get added as part of getAutomaticTypeDirectiveNames
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const typeRootsWatches = createMap<FileWatcher>();
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return {
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startRecordingFilesWithChangedResolutions,
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finishRecordingFilesWithChangedResolutions,
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startCachingPerDirectoryResolution,
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finishCachingPerDirectoryResolution,
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resolveModuleNames,
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resolveTypeReferenceDirectives,
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removeResolutionsOfFile,
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invalidateResolutionOfFile,
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createHasInvalidatedResolution,
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updateTypeRootsWatch,
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closeTypeRootsWatch,
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clear
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};
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function getResolvedModule(resolution: ResolvedModuleWithFailedLookupLocations) {
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return resolution.resolvedModule;
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}
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function getResolvedTypeReferenceDirective(resolution: ResolvedTypeReferenceDirectiveWithFailedLookupLocations) {
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return resolution.resolvedTypeReferenceDirective;
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}
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function isInDirectoryPath(dir: Path, file: Path) {
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if (dir === undefined || file.length <= dir.length) {
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return false;
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}
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return startsWith(file, dir) && file[dir.length] === directorySeparator;
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}
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function clear() {
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clearMap(directoryWatchesOfFailedLookups, closeFileWatcherOf);
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customFailedLookupPaths.clear();
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closeTypeRootsWatch();
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resolvedModuleNames.clear();
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resolvedTypeReferenceDirectives.clear();
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allFilesHaveInvalidatedResolution = false;
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Debug.assert(perDirectoryResolvedModuleNames.size === 0 && perDirectoryResolvedTypeReferenceDirectives.size === 0);
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}
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function startRecordingFilesWithChangedResolutions() {
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filesWithChangedSetOfUnresolvedImports = [];
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}
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function finishRecordingFilesWithChangedResolutions() {
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const collected = filesWithChangedSetOfUnresolvedImports;
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filesWithChangedSetOfUnresolvedImports = undefined;
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return collected;
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}
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function createHasInvalidatedResolution(): HasInvalidatedResolution {
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if (allFilesHaveInvalidatedResolution) {
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// Any file asked would have invalidated resolution
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filesWithInvalidatedResolutions = undefined;
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return returnTrue;
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}
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const collected = filesWithInvalidatedResolutions;
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filesWithInvalidatedResolutions = undefined;
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return path => collected && collected.has(path);
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}
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function startCachingPerDirectoryResolution() {
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Debug.assert(perDirectoryResolvedModuleNames.size === 0 && perDirectoryResolvedTypeReferenceDirectives.size === 0);
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}
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function finishCachingPerDirectoryResolution() {
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allFilesHaveInvalidatedResolution = false;
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directoryWatchesOfFailedLookups.forEach((watcher, path) => {
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if (watcher.refCount === 0) {
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directoryWatchesOfFailedLookups.delete(path);
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watcher.watcher.close();
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}
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});
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perDirectoryResolvedModuleNames.clear();
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perDirectoryResolvedTypeReferenceDirectives.clear();
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}
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function resolveModuleName(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost): ResolvedModuleWithFailedLookupLocations {
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const primaryResult = ts.resolveModuleName(moduleName, containingFile, compilerOptions, host);
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// return result immediately only if global cache support is not enabled or if it is .ts, .tsx or .d.ts
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if (!resolutionHost.getGlobalCache) {
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return primaryResult;
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}
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// otherwise try to load typings from @types
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const globalCache = resolutionHost.getGlobalCache();
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if (globalCache !== undefined && !isExternalModuleNameRelative(moduleName) && !(primaryResult.resolvedModule && extensionIsTypeScript(primaryResult.resolvedModule.extension))) {
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// create different collection of failed lookup locations for second pass
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// if it will fail and we've already found something during the first pass - we don't want to pollute its results
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const { resolvedModule, failedLookupLocations } = loadModuleFromGlobalCache(moduleName, resolutionHost.projectName, compilerOptions, host, globalCache);
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if (resolvedModule) {
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return { resolvedModule, failedLookupLocations: addRange(primaryResult.failedLookupLocations as string[], failedLookupLocations) };
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}
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}
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// Default return the result from the first pass
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return primaryResult;
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}
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function resolveNamesWithLocalCache<T extends ResolutionWithFailedLookupLocations, R extends ResolutionWithResolvedFileName>(
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names: string[],
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containingFile: string,
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cache: Map<Map<T>>,
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perDirectoryCache: Map<Map<T>>,
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loader: (name: string, containingFile: string, options: CompilerOptions, host: ModuleResolutionHost) => T,
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getResolutionWithResolvedFileName: GetResolutionWithResolvedFileName<T, R>,
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reusedNames: string[] | undefined,
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logChanges: boolean): R[] {
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const path = resolutionHost.toPath(containingFile);
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const resolutionsInFile = cache.get(path) || cache.set(path, createMap()).get(path);
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const dirPath = getDirectoryPath(path);
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let perDirectoryResolution = perDirectoryCache.get(dirPath);
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if (!perDirectoryResolution) {
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perDirectoryResolution = createMap();
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perDirectoryCache.set(dirPath, perDirectoryResolution);
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}
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const resolvedModules: R[] = [];
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const compilerOptions = resolutionHost.getCompilationSettings();
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const seenNamesInFile = createMap<true>();
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for (const name of names) {
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let resolution = resolutionsInFile.get(name);
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// Resolution is valid if it is present and not invalidated
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if (!seenNamesInFile.has(name) &&
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allFilesHaveInvalidatedResolution || !resolution || resolution.isInvalidated) {
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const existingResolution = resolution;
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const resolutionInDirectory = perDirectoryResolution.get(name);
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if (resolutionInDirectory) {
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resolution = resolutionInDirectory;
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}
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else {
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resolution = loader(name, containingFile, compilerOptions, resolutionHost);
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perDirectoryResolution.set(name, resolution);
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}
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resolutionsInFile.set(name, resolution);
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if (resolution.failedLookupLocations) {
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if (existingResolution && existingResolution.failedLookupLocations) {
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watchAndStopWatchDiffFailedLookupLocations(resolution, existingResolution);
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}
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else {
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watchFailedLookupLocationOfResolution(resolution, 0);
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}
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}
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else if (existingResolution) {
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stopWatchFailedLookupLocationOfResolution(existingResolution);
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}
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if (logChanges && filesWithChangedSetOfUnresolvedImports && !resolutionIsEqualTo(existingResolution, resolution)) {
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filesWithChangedSetOfUnresolvedImports.push(path);
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// reset log changes to avoid recording the same file multiple times
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logChanges = false;
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}
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}
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Debug.assert(resolution !== undefined && !resolution.isInvalidated);
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seenNamesInFile.set(name, true);
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resolvedModules.push(getResolutionWithResolvedFileName(resolution));
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}
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// Stop watching and remove the unused name
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resolutionsInFile.forEach((resolution, name) => {
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if (!seenNamesInFile.has(name) && !contains(reusedNames, name)) {
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stopWatchFailedLookupLocationOfResolution(resolution);
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resolutionsInFile.delete(name);
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}
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});
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return resolvedModules;
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function resolutionIsEqualTo(oldResolution: T, newResolution: T): boolean {
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if (oldResolution === newResolution) {
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return true;
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}
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if (!oldResolution || !newResolution || oldResolution.isInvalidated) {
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return false;
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}
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const oldResult = getResolutionWithResolvedFileName(oldResolution);
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const newResult = getResolutionWithResolvedFileName(newResolution);
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if (oldResult === newResult) {
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return true;
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}
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if (!oldResult || !newResult) {
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return false;
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}
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return oldResult.resolvedFileName === newResult.resolvedFileName;
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}
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}
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function resolveTypeReferenceDirectives(typeDirectiveNames: string[], containingFile: string): ResolvedTypeReferenceDirective[] {
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return resolveNamesWithLocalCache(
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typeDirectiveNames, containingFile,
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resolvedTypeReferenceDirectives, perDirectoryResolvedTypeReferenceDirectives,
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resolveTypeReferenceDirective, getResolvedTypeReferenceDirective,
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/*reusedNames*/ undefined, /*logChanges*/ false
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);
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}
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function resolveModuleNames(moduleNames: string[], containingFile: string, reusedNames: string[] | undefined, logChanges: boolean): ResolvedModuleFull[] {
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return resolveNamesWithLocalCache(
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moduleNames, containingFile,
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resolvedModuleNames, perDirectoryResolvedModuleNames,
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resolveModuleName, getResolvedModule,
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reusedNames, logChanges
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);
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}
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function isNodeModulesDirectory(dirPath: Path) {
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return endsWith(dirPath, "/node_modules");
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}
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function getDirectoryToWatchFailedLookupLocation(failedLookupLocation: string, failedLookupLocationPath: Path): DirectoryOfFailedLookupWatch {
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if (isInDirectoryPath(rootPath, failedLookupLocationPath)) {
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return { dir: rootDir, dirPath: rootPath };
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}
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let dir = getDirectoryPath(getNormalizedAbsolutePath(failedLookupLocation, getCurrentDirectory()));
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let dirPath = getDirectoryPath(failedLookupLocationPath);
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// If directory path contains node module, get the most parent node_modules directory for watching
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while (stringContains(dirPath, "/node_modules/")) {
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dir = getDirectoryPath(dir);
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dirPath = getDirectoryPath(dirPath);
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}
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// If the directory is node_modules use it to watch
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if (isNodeModulesDirectory(dirPath)) {
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return { dir, dirPath };
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}
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// Use some ancestor of the root directory
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if (rootPath !== undefined) {
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while (!isInDirectoryPath(dirPath, rootPath)) {
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const parentPath = getDirectoryPath(dirPath);
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if (parentPath === dirPath) {
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break;
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}
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dirPath = parentPath;
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dir = getDirectoryPath(dir);
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}
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}
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return { dir, dirPath };
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}
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function isPathWithDefaultFailedLookupExtension(path: Path) {
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return fileExtensionIsOneOf(path, failedLookupDefaultExtensions);
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}
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function watchAndStopWatchDiffFailedLookupLocations(resolution: ResolutionWithFailedLookupLocations, existingResolution: ResolutionWithFailedLookupLocations) {
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const failedLookupLocations = resolution.failedLookupLocations;
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const existingFailedLookupLocations = existingResolution.failedLookupLocations;
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for (let index = 0; index < failedLookupLocations.length; index++) {
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if (index === existingFailedLookupLocations.length) {
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// Additional failed lookup locations, watch from this index
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watchFailedLookupLocationOfResolution(resolution, index);
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return;
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}
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else if (failedLookupLocations[index] !== existingFailedLookupLocations[index]) {
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// Different failed lookup locations,
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// Watch new resolution failed lookup locations from this index and
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// stop watching existing resolutions from this index
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watchFailedLookupLocationOfResolution(resolution, index);
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stopWatchFailedLookupLocationOfResolutionFrom(existingResolution, index);
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return;
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}
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}
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// All new failed lookup locations are already watched (and are same),
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// Stop watching failed lookup locations of existing resolution after failed lookup locations length
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stopWatchFailedLookupLocationOfResolutionFrom(existingResolution, failedLookupLocations.length);
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}
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function watchFailedLookupLocationOfResolution({ failedLookupLocations }: ResolutionWithFailedLookupLocations, startIndex: number) {
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for (let i = startIndex; i < failedLookupLocations.length; i++) {
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const failedLookupLocation = failedLookupLocations[i];
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const failedLookupLocationPath = resolutionHost.toPath(failedLookupLocation);
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// If the failed lookup location path is not one of the supported extensions,
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// store it in the custom path
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if (!isPathWithDefaultFailedLookupExtension(failedLookupLocationPath)) {
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const refCount = customFailedLookupPaths.get(failedLookupLocationPath) || 0;
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customFailedLookupPaths.set(failedLookupLocationPath, refCount + 1);
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}
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const { dir, dirPath } = getDirectoryToWatchFailedLookupLocation(failedLookupLocation, failedLookupLocationPath);
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const dirWatcher = directoryWatchesOfFailedLookups.get(dirPath);
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if (dirWatcher) {
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dirWatcher.refCount++;
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}
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else {
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directoryWatchesOfFailedLookups.set(dirPath, { watcher: createDirectoryWatcher(dir, dirPath), refCount: 1 });
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}
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}
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}
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function stopWatchFailedLookupLocationOfResolution(resolution: ResolutionWithFailedLookupLocations) {
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if (resolution.failedLookupLocations) {
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stopWatchFailedLookupLocationOfResolutionFrom(resolution, 0);
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}
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}
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function stopWatchFailedLookupLocationOfResolutionFrom({ failedLookupLocations }: ResolutionWithFailedLookupLocations, startIndex: number) {
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for (let i = startIndex; i < failedLookupLocations.length; i++) {
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const failedLookupLocation = failedLookupLocations[i];
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const failedLookupLocationPath = resolutionHost.toPath(failedLookupLocation);
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const refCount = customFailedLookupPaths.get(failedLookupLocationPath);
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if (refCount) {
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if (refCount === 1) {
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customFailedLookupPaths.delete(failedLookupLocationPath);
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}
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else {
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Debug.assert(refCount > 1);
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customFailedLookupPaths.set(failedLookupLocationPath, refCount - 1);
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}
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}
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const { dirPath } = getDirectoryToWatchFailedLookupLocation(failedLookupLocation, failedLookupLocationPath);
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const dirWatcher = directoryWatchesOfFailedLookups.get(dirPath);
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// Do not close the watcher yet since it might be needed by other failed lookup locations.
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dirWatcher.refCount--;
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}
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}
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function createDirectoryWatcher(directory: string, dirPath: Path) {
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return resolutionHost.watchDirectoryOfFailedLookupLocation(directory, fileOrDirectory => {
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const fileOrDirectoryPath = resolutionHost.toPath(fileOrDirectory);
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if (resolutionHost.getCachedDirectoryStructureHost) {
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// Since the file existance changed, update the sourceFiles cache
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resolutionHost.getCachedDirectoryStructureHost().addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath);
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}
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// If the files are added to project root or node_modules directory, always run through the invalidation process
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// Otherwise run through invalidation only if adding to the immediate directory
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if (!allFilesHaveInvalidatedResolution &&
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dirPath === rootPath || isNodeModulesDirectory(dirPath) || getDirectoryPath(fileOrDirectoryPath) === dirPath) {
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if (invalidateResolutionOfFailedLookupLocation(fileOrDirectoryPath, dirPath === fileOrDirectoryPath)) {
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resolutionHost.onInvalidatedResolution();
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}
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}
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}, WatchDirectoryFlags.Recursive);
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}
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function removeResolutionsOfFileFromCache(cache: Map<Map<ResolutionWithFailedLookupLocations>>, filePath: Path) {
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// Deleted file, stop watching failed lookups for all the resolutions in the file
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const resolutions = cache.get(filePath);
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if (resolutions) {
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resolutions.forEach(stopWatchFailedLookupLocationOfResolution);
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cache.delete(filePath);
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}
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}
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function removeResolutionsOfFile(filePath: Path) {
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removeResolutionsOfFileFromCache(resolvedModuleNames, filePath);
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removeResolutionsOfFileFromCache(resolvedTypeReferenceDirectives, filePath);
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}
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function invalidateResolutionCache<T extends ResolutionWithFailedLookupLocations, R extends ResolutionWithResolvedFileName>(
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cache: Map<Map<T>>,
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isInvalidatedResolution: (resolution: T, getResolutionWithResolvedFileName: GetResolutionWithResolvedFileName<T, R>) => boolean,
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getResolutionWithResolvedFileName: GetResolutionWithResolvedFileName<T, R>
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) {
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const seen = createMap<Map<true>>();
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cache.forEach((resolutions, containingFilePath) => {
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const dirPath = getDirectoryPath(containingFilePath);
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let seenInDir = seen.get(dirPath);
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if (!seenInDir) {
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seenInDir = createMap<true>();
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seen.set(dirPath, seenInDir);
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}
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resolutions.forEach((resolution, name) => {
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if (seenInDir.has(name)) {
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return;
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}
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seenInDir.set(name, true);
|
|
if (!resolution.isInvalidated && isInvalidatedResolution(resolution, getResolutionWithResolvedFileName)) {
|
|
// Mark the file as needing re-evaluation of module resolution instead of using it blindly.
|
|
resolution.isInvalidated = true;
|
|
(filesWithInvalidatedResolutions || (filesWithInvalidatedResolutions = createMap<true>())).set(containingFilePath, true);
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
function hasReachedResolutionIterationLimit() {
|
|
const maxSize = resolutionHost.maxNumberOfFilesToIterateForInvalidation || maxNumberOfFilesToIterateForInvalidation;
|
|
return resolvedModuleNames.size > maxSize || resolvedTypeReferenceDirectives.size > maxSize;
|
|
}
|
|
|
|
function invalidateResolutions(
|
|
isInvalidatedResolution: (resolution: ResolutionWithFailedLookupLocations, getResolutionWithResolvedFileName: GetResolutionWithResolvedFileName) => boolean,
|
|
) {
|
|
// If more than maxNumberOfFilesToIterateForInvalidation present,
|
|
// just invalidated all files and recalculate the resolutions for files instead
|
|
if (hasReachedResolutionIterationLimit()) {
|
|
allFilesHaveInvalidatedResolution = true;
|
|
return;
|
|
}
|
|
invalidateResolutionCache(resolvedModuleNames, isInvalidatedResolution, getResolvedModule);
|
|
invalidateResolutionCache(resolvedTypeReferenceDirectives, isInvalidatedResolution, getResolvedTypeReferenceDirective);
|
|
}
|
|
|
|
function invalidateResolutionOfFile(filePath: Path) {
|
|
removeResolutionsOfFile(filePath);
|
|
invalidateResolutions(
|
|
// Resolution is invalidated if the resulting file name is same as the deleted file path
|
|
(resolution, getResolutionWithResolvedFileName) => {
|
|
const result = getResolutionWithResolvedFileName(resolution);
|
|
return result && resolutionHost.toPath(result.resolvedFileName) === filePath;
|
|
}
|
|
);
|
|
}
|
|
|
|
function invalidateResolutionOfFailedLookupLocation(fileOrDirectoryPath: Path, isCreatingWatchedDirectory: boolean) {
|
|
let isChangedFailedLookupLocation: (location: string) => boolean;
|
|
if (isCreatingWatchedDirectory) {
|
|
// Watching directory is created
|
|
// Invalidate any resolution has failed lookup in this directory
|
|
isChangedFailedLookupLocation = location => isInDirectoryPath(fileOrDirectoryPath, resolutionHost.toPath(location));
|
|
}
|
|
else {
|
|
// Some file or directory in the watching directory is created
|
|
// Return early if it does not have any of the watching extension or not the custom failed lookup path
|
|
if (!isPathWithDefaultFailedLookupExtension(fileOrDirectoryPath) && !customFailedLookupPaths.has(fileOrDirectoryPath)) {
|
|
return false;
|
|
}
|
|
// Resolution need to be invalidated if failed lookup location is same as the file or directory getting created
|
|
isChangedFailedLookupLocation = location => resolutionHost.toPath(location) === fileOrDirectoryPath;
|
|
}
|
|
const hasChangedFailedLookupLocation = (resolution: ResolutionWithFailedLookupLocations) => some(resolution.failedLookupLocations, isChangedFailedLookupLocation);
|
|
const invalidatedFilesCount = filesWithInvalidatedResolutions && filesWithInvalidatedResolutions.size;
|
|
invalidateResolutions(
|
|
// Resolution is invalidated if the resulting file name is same as the deleted file path
|
|
hasChangedFailedLookupLocation
|
|
);
|
|
return allFilesHaveInvalidatedResolution || filesWithInvalidatedResolutions && filesWithInvalidatedResolutions.size !== invalidatedFilesCount;
|
|
}
|
|
|
|
function closeTypeRootsWatch() {
|
|
clearMap(typeRootsWatches, closeFileWatcher);
|
|
}
|
|
|
|
function createTypeRootsWatch(_typeRootPath: string, typeRoot: string): FileWatcher {
|
|
// Create new watch and recursive info
|
|
return resolutionHost.watchTypeRootsDirectory(typeRoot, fileOrDirectory => {
|
|
const fileOrDirectoryPath = resolutionHost.toPath(fileOrDirectory);
|
|
if (resolutionHost.getCachedDirectoryStructureHost) {
|
|
// Since the file existance changed, update the sourceFiles cache
|
|
resolutionHost.getCachedDirectoryStructureHost().addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath);
|
|
}
|
|
|
|
// For now just recompile
|
|
// We could potentially store more data here about whether it was/would be really be used or not
|
|
// and with that determine to trigger compilation but for now this is enough
|
|
resolutionHost.onChangedAutomaticTypeDirectiveNames();
|
|
}, WatchDirectoryFlags.Recursive);
|
|
}
|
|
|
|
/**
|
|
* Watches the types that would get added as part of getAutomaticTypeDirectiveNames
|
|
* To be called when compiler options change
|
|
*/
|
|
function updateTypeRootsWatch() {
|
|
const options = resolutionHost.getCompilationSettings();
|
|
if (options.types) {
|
|
// No need to do any watch since resolution cache is going to handle the failed lookups
|
|
// for the types added by this
|
|
closeTypeRootsWatch();
|
|
return;
|
|
}
|
|
|
|
// we need to assume the directories exist to ensure that we can get all the type root directories that get included
|
|
const typeRoots = getEffectiveTypeRoots(options, { directoryExists: returnTrue, getCurrentDirectory });
|
|
if (typeRoots) {
|
|
mutateMap(
|
|
typeRootsWatches,
|
|
arrayToMap(typeRoots, tr => resolutionHost.toPath(tr)),
|
|
{
|
|
createNewValue: createTypeRootsWatch,
|
|
onDeleteValue: closeFileWatcher
|
|
}
|
|
);
|
|
}
|
|
else {
|
|
closeTypeRootsWatch();
|
|
}
|
|
}
|
|
}
|
|
}
|