889 lines
48 KiB
TypeScript
889 lines
48 KiB
TypeScript
/*@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[] | undefined;
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resolveModuleNames(moduleNames: string[], containingFile: string, reusedNames: string[] | undefined, redirectedReference?: ResolvedProjectReference): (ResolvedModuleFull | undefined)[];
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getResolvedModuleWithFailedLookupLocationsFromCache(moduleName: string, containingFile: string): CachedResolvedModuleWithFailedLookupLocations | undefined;
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resolveTypeReferenceDirectives(typeDirectiveNames: string[], containingFile: string, redirectedReference?: ResolvedProjectReference): (ResolvedTypeReferenceDirective | undefined)[];
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invalidateResolutionsOfFailedLookupLocations(): boolean;
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invalidateResolutionOfFile(filePath: Path): void;
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removeResolutionsOfFile(filePath: Path): void;
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removeResolutionsFromProjectReferenceRedirects(filePath: Path): void;
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setFilesWithInvalidatedNonRelativeUnresolvedImports(filesWithUnresolvedImports: ESMap<Path, readonly string[]>): void;
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createHasInvalidatedResolution(forceAllFilesAsInvalidated?: boolean): HasInvalidatedResolution;
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hasChangedAutomaticTypeDirectiveNames(): boolean;
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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: string[];
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isInvalidated?: boolean;
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refCount?: number;
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// Files that have this resolution using
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files?: Path[];
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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 CachedResolvedModuleWithFailedLookupLocations extends ResolvedModuleWithFailedLookupLocations, ResolutionWithFailedLookupLocations {
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}
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interface CachedResolvedTypeReferenceDirectiveWithFailedLookupLocations extends 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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getCanonicalFileName: GetCanonicalFileName;
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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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scheduleInvalidateResolutionsOfFailedLookupLocations(): void;
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getCachedDirectoryStructureHost(): CachedDirectoryStructureHost | undefined;
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projectName?: string;
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getGlobalCache?(): string | undefined;
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globalCacheResolutionModuleName?(externalModuleName: string): string;
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writeLog(s: string): void;
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getCurrentProgram(): Program | undefined;
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fileIsOpen(filePath: Path): boolean;
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getCompilerHost?(): CompilerHost | undefined;
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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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/** is the directory watched being non recursive */
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nonRecursive?: boolean;
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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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nonRecursive?: boolean;
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}
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export function removeIgnoredPath(path: Path): Path | undefined {
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// Consider whole staging folder as if node_modules changed.
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if (endsWith(path, "/node_modules/.staging")) {
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return removeSuffix(path, "/.staging") as Path;
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}
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return some(ignoredPaths, searchPath => stringContains(path, searchPath)) ?
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undefined :
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path;
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}
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/**
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* Filter out paths like
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* "/", "/user", "/user/username", "/user/username/folderAtRoot",
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* "c:/", "c:/users", "c:/users/username", "c:/users/username/folderAtRoot", "c:/folderAtRoot"
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* @param dirPath
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*/
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export function canWatchDirectory(dirPath: Path) {
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const rootLength = getRootLength(dirPath);
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if (dirPath.length === rootLength) {
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// Ignore "/", "c:/"
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return false;
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}
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let nextDirectorySeparator = dirPath.indexOf(directorySeparator, rootLength);
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if (nextDirectorySeparator === -1) {
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// ignore "/user", "c:/users" or "c:/folderAtRoot"
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return false;
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}
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let pathPartForUserCheck = dirPath.substring(rootLength, nextDirectorySeparator + 1);
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const isNonDirectorySeparatorRoot = rootLength > 1 || dirPath.charCodeAt(0) !== CharacterCodes.slash;
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if (isNonDirectorySeparatorRoot &&
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dirPath.search(/[a-zA-Z]:/) !== 0 && // Non dos style paths
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pathPartForUserCheck.search(/[a-zA-z]\$\//) === 0) { // Dos style nextPart
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nextDirectorySeparator = dirPath.indexOf(directorySeparator, nextDirectorySeparator + 1);
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if (nextDirectorySeparator === -1) {
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// ignore "//vda1cs4850/c$/folderAtRoot"
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return false;
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}
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pathPartForUserCheck = dirPath.substring(rootLength + pathPartForUserCheck.length, nextDirectorySeparator + 1);
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}
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if (isNonDirectorySeparatorRoot &&
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pathPartForUserCheck.search(/users\//i) !== 0) {
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// Paths like c:/folderAtRoot/subFolder are allowed
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return true;
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}
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for (let searchIndex = nextDirectorySeparator + 1, searchLevels = 2; searchLevels > 0; searchLevels--) {
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searchIndex = dirPath.indexOf(directorySeparator, searchIndex) + 1;
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if (searchIndex === 0) {
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// Folder isnt at expected minimum levels
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return false;
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}
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}
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return true;
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}
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type GetResolutionWithResolvedFileName<T extends ResolutionWithFailedLookupLocations = ResolutionWithFailedLookupLocations, R extends ResolutionWithResolvedFileName = ResolutionWithResolvedFileName> =
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(resolution: T) => R | undefined;
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export function createResolutionCache(resolutionHost: ResolutionCacheHost, rootDirForResolution: string | undefined, logChangesWhenResolvingModule: boolean): ResolutionCache {
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let filesWithChangedSetOfUnresolvedImports: Path[] | undefined;
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let filesWithInvalidatedResolutions: Set<Path> | undefined;
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let filesWithInvalidatedNonRelativeUnresolvedImports: ReadonlyESMap<Path, readonly string[]> | undefined;
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const nonRelativeExternalModuleResolutions = createMultiMap<ResolutionWithFailedLookupLocations>();
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const resolutionsWithFailedLookups: ResolutionWithFailedLookupLocations[] = [];
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const resolvedFileToResolution = createMultiMap<ResolutionWithFailedLookupLocations>();
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let hasChangedAutomaticTypeDirectiveNames = false;
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const failedLookupChecks: Path[] = [];
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const startsWithPathChecks: Path[] = [];
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const isInDirectoryChecks: Path[] = [];
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const getCurrentDirectory = memoize(() => resolutionHost.getCurrentDirectory!()); // TODO: GH#18217
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const cachedDirectoryStructureHost = resolutionHost.getCachedDirectoryStructureHost();
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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 = new Map<Path, ESMap<string, CachedResolvedModuleWithFailedLookupLocations>>();
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const perDirectoryResolvedModuleNames: CacheWithRedirects<ESMap<string, CachedResolvedModuleWithFailedLookupLocations>> = createCacheWithRedirects();
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const nonRelativeModuleNameCache: CacheWithRedirects<PerModuleNameCache> = createCacheWithRedirects();
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const moduleResolutionCache = createModuleResolutionCacheWithMaps(
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perDirectoryResolvedModuleNames,
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nonRelativeModuleNameCache,
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getCurrentDirectory(),
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resolutionHost.getCanonicalFileName
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);
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const resolvedTypeReferenceDirectives = new Map<Path, ESMap<string, CachedResolvedTypeReferenceDirectiveWithFailedLookupLocations>>();
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const perDirectoryResolvedTypeReferenceDirectives: CacheWithRedirects<ESMap<string, CachedResolvedTypeReferenceDirectiveWithFailedLookupLocations>> = createCacheWithRedirects();
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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)) as Path; // TODO: GH#18217
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const rootSplitLength = rootPath !== undefined ? rootPath.split(directorySeparator).length : 0;
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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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// perDirectoryResolvedModuleNames and perDirectoryResolvedTypeReferenceDirectives could be non empty if there was exception during program update
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// (between startCachingPerDirectoryResolution and finishCachingPerDirectoryResolution)
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startCachingPerDirectoryResolution: clearPerDirectoryResolutions,
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finishCachingPerDirectoryResolution,
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resolveModuleNames,
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getResolvedModuleWithFailedLookupLocationsFromCache,
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resolveTypeReferenceDirectives,
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removeResolutionsFromProjectReferenceRedirects,
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removeResolutionsOfFile,
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hasChangedAutomaticTypeDirectiveNames: () => hasChangedAutomaticTypeDirectiveNames,
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invalidateResolutionOfFile,
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invalidateResolutionsOfFailedLookupLocations,
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setFilesWithInvalidatedNonRelativeUnresolvedImports,
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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: CachedResolvedModuleWithFailedLookupLocations) {
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return resolution.resolvedModule;
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}
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function getResolvedTypeReferenceDirective(resolution: CachedResolvedTypeReferenceDirectiveWithFailedLookupLocations) {
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return resolution.resolvedTypeReferenceDirective;
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}
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function isInDirectoryPath(dir: Path | undefined, 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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nonRelativeExternalModuleResolutions.clear();
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closeTypeRootsWatch();
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resolvedModuleNames.clear();
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resolvedTypeReferenceDirectives.clear();
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resolvedFileToResolution.clear();
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resolutionsWithFailedLookups.length = 0;
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failedLookupChecks.length = 0;
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startsWithPathChecks.length = 0;
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isInDirectoryChecks.length = 0;
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// perDirectoryResolvedModuleNames and perDirectoryResolvedTypeReferenceDirectives could be non empty if there was exception during program update
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// (between startCachingPerDirectoryResolution and finishCachingPerDirectoryResolution)
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clearPerDirectoryResolutions();
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hasChangedAutomaticTypeDirectiveNames = false;
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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 isFileWithInvalidatedNonRelativeUnresolvedImports(path: Path): boolean {
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if (!filesWithInvalidatedNonRelativeUnresolvedImports) {
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return false;
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}
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// Invalidated if file has unresolved imports
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const value = filesWithInvalidatedNonRelativeUnresolvedImports.get(path);
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return !!value && !!value.length;
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}
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function createHasInvalidatedResolution(forceAllFilesAsInvalidated?: boolean): HasInvalidatedResolution {
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// Ensure pending resolutions are applied
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invalidateResolutionsOfFailedLookupLocations();
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if (forceAllFilesAsInvalidated) {
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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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isFileWithInvalidatedNonRelativeUnresolvedImports(path);
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}
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function clearPerDirectoryResolutions() {
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perDirectoryResolvedModuleNames.clear();
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nonRelativeModuleNameCache.clear();
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perDirectoryResolvedTypeReferenceDirectives.clear();
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nonRelativeExternalModuleResolutions.forEach(watchFailedLookupLocationOfNonRelativeModuleResolutions);
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nonRelativeExternalModuleResolutions.clear();
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}
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function finishCachingPerDirectoryResolution() {
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filesWithInvalidatedNonRelativeUnresolvedImports = undefined;
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clearPerDirectoryResolutions();
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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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hasChangedAutomaticTypeDirectiveNames = false;
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}
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function resolveModuleName(moduleName: string, containingFile: string, compilerOptions: CompilerOptions, host: ModuleResolutionHost, redirectedReference?: ResolvedProjectReference): CachedResolvedModuleWithFailedLookupLocations {
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const primaryResult = ts.resolveModuleName(moduleName, containingFile, compilerOptions, host, moduleResolutionCache, redirectedReference);
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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 && extensionIsTS(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(
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Debug.checkDefined(resolutionHost.globalCacheResolutionModuleName)(moduleName),
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resolutionHost.projectName,
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compilerOptions,
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host,
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globalCache);
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if (resolvedModule) {
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// Modify existing resolution so its saved in the directory cache as well
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(primaryResult.resolvedModule as any) = resolvedModule;
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primaryResult.failedLookupLocations.push(...failedLookupLocations);
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return primaryResult;
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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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interface ResolveNamesWithLocalCacheInput<T extends ResolutionWithFailedLookupLocations, R extends ResolutionWithResolvedFileName> {
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names: readonly string[];
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containingFile: string;
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redirectedReference: ResolvedProjectReference | undefined;
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cache: ESMap<Path, ESMap<string, T>>;
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perDirectoryCacheWithRedirects: CacheWithRedirects<ESMap<string, T>>;
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loader: (name: string, containingFile: string, options: CompilerOptions, host: ModuleResolutionHost, redirectedReference?: ResolvedProjectReference) => T;
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getResolutionWithResolvedFileName: GetResolutionWithResolvedFileName<T, R>;
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shouldRetryResolution: (t: T) => boolean;
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reusedNames?: readonly string[];
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logChanges?: boolean;
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}
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function resolveNamesWithLocalCache<T extends ResolutionWithFailedLookupLocations, R extends ResolutionWithResolvedFileName>({
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names, containingFile, redirectedReference,
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cache, perDirectoryCacheWithRedirects,
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loader, getResolutionWithResolvedFileName,
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shouldRetryResolution, reusedNames, logChanges
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}: ResolveNamesWithLocalCacheInput<T, R>): (R | undefined)[] {
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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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const perDirectoryCache = perDirectoryCacheWithRedirects.getOrCreateMapOfCacheRedirects(redirectedReference);
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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 | undefined)[] = [];
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const compilerOptions = resolutionHost.getCompilationSettings();
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const hasInvalidatedNonRelativeUnresolvedImport = logChanges && isFileWithInvalidatedNonRelativeUnresolvedImports(path);
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// All the resolutions in this file are invalidated if this file wasnt resolved using same redirect
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const program = resolutionHost.getCurrentProgram();
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const oldRedirect = program && program.getResolvedProjectReferenceToRedirect(containingFile);
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const unmatchedRedirects = oldRedirect ?
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!redirectedReference || redirectedReference.sourceFile.path !== oldRedirect.sourceFile.path :
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!!redirectedReference;
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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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unmatchedRedirects || !resolution || resolution.isInvalidated ||
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// If the name is unresolved import that was invalidated, recalculate
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(hasInvalidatedNonRelativeUnresolvedImport && !isExternalModuleNameRelative(name) && shouldRetryResolution(resolution))) {
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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.getCompilerHost?.() || resolutionHost, redirectedReference);
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perDirectoryResolution.set(name, resolution);
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}
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resolutionsInFile.set(name, resolution);
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watchFailedLookupLocationsOfExternalModuleResolutions(name, resolution, path, getResolutionWithResolvedFileName);
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if (existingResolution) {
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stopWatchFailedLookupLocationOfResolution(existingResolution, path, getResolutionWithResolvedFileName);
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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, path, getResolutionWithResolvedFileName);
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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 | undefined, newResolution: T | undefined): 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) {
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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, redirectedReference?: ResolvedProjectReference): (ResolvedTypeReferenceDirective | undefined)[] {
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return resolveNamesWithLocalCache<CachedResolvedTypeReferenceDirectiveWithFailedLookupLocations, ResolvedTypeReferenceDirective>({
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names: typeDirectiveNames,
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containingFile,
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redirectedReference,
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cache: resolvedTypeReferenceDirectives,
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perDirectoryCacheWithRedirects: perDirectoryResolvedTypeReferenceDirectives,
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loader: resolveTypeReferenceDirective,
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getResolutionWithResolvedFileName: getResolvedTypeReferenceDirective,
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shouldRetryResolution: resolution => resolution.resolvedTypeReferenceDirective === undefined,
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});
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}
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function resolveModuleNames(moduleNames: string[], containingFile: string, reusedNames: string[] | undefined, redirectedReference?: ResolvedProjectReference): (ResolvedModuleFull | undefined)[] {
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return resolveNamesWithLocalCache<CachedResolvedModuleWithFailedLookupLocations, ResolvedModuleFull>({
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names: moduleNames,
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containingFile,
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redirectedReference,
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cache: resolvedModuleNames,
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perDirectoryCacheWithRedirects: perDirectoryResolvedModuleNames,
|
|
loader: resolveModuleName,
|
|
getResolutionWithResolvedFileName: getResolvedModule,
|
|
shouldRetryResolution: resolution => !resolution.resolvedModule || !resolutionExtensionIsTSOrJson(resolution.resolvedModule.extension),
|
|
reusedNames,
|
|
logChanges: logChangesWhenResolvingModule
|
|
});
|
|
}
|
|
|
|
function getResolvedModuleWithFailedLookupLocationsFromCache(moduleName: string, containingFile: string): CachedResolvedModuleWithFailedLookupLocations | undefined {
|
|
const cache = resolvedModuleNames.get(resolutionHost.toPath(containingFile));
|
|
return cache && cache.get(moduleName);
|
|
}
|
|
|
|
function isNodeModulesAtTypesDirectory(dirPath: Path) {
|
|
return endsWith(dirPath, "/node_modules/@types");
|
|
}
|
|
|
|
function getDirectoryToWatchFailedLookupLocation(failedLookupLocation: string, failedLookupLocationPath: Path): DirectoryOfFailedLookupWatch | undefined {
|
|
if (isInDirectoryPath(rootPath, failedLookupLocationPath)) {
|
|
// Ensure failed look up is normalized path
|
|
failedLookupLocation = isRootedDiskPath(failedLookupLocation) ? normalizePath(failedLookupLocation) : getNormalizedAbsolutePath(failedLookupLocation, getCurrentDirectory());
|
|
const failedLookupPathSplit = failedLookupLocationPath.split(directorySeparator);
|
|
const failedLookupSplit = failedLookupLocation.split(directorySeparator);
|
|
Debug.assert(failedLookupSplit.length === failedLookupPathSplit.length, `FailedLookup: ${failedLookupLocation} failedLookupLocationPath: ${failedLookupLocationPath}`);
|
|
if (failedLookupPathSplit.length > rootSplitLength + 1) {
|
|
// Instead of watching root, watch directory in root to avoid watching excluded directories not needed for module resolution
|
|
return {
|
|
dir: failedLookupSplit.slice(0, rootSplitLength + 1).join(directorySeparator),
|
|
dirPath: failedLookupPathSplit.slice(0, rootSplitLength + 1).join(directorySeparator) as Path
|
|
};
|
|
}
|
|
else {
|
|
// Always watch root directory non recursively
|
|
return {
|
|
dir: rootDir!,
|
|
dirPath: rootPath,
|
|
nonRecursive: false
|
|
};
|
|
}
|
|
}
|
|
|
|
return getDirectoryToWatchFromFailedLookupLocationDirectory(
|
|
getDirectoryPath(getNormalizedAbsolutePath(failedLookupLocation, getCurrentDirectory())),
|
|
getDirectoryPath(failedLookupLocationPath)
|
|
);
|
|
}
|
|
|
|
function getDirectoryToWatchFromFailedLookupLocationDirectory(dir: string, dirPath: Path): DirectoryOfFailedLookupWatch | undefined {
|
|
// If directory path contains node module, get the most parent node_modules directory for watching
|
|
while (pathContainsNodeModules(dirPath)) {
|
|
dir = getDirectoryPath(dir);
|
|
dirPath = getDirectoryPath(dirPath);
|
|
}
|
|
|
|
// If the directory is node_modules use it to watch, always watch it recursively
|
|
if (isNodeModulesDirectory(dirPath)) {
|
|
return canWatchDirectory(getDirectoryPath(dirPath)) ? { dir, dirPath } : undefined;
|
|
}
|
|
|
|
let nonRecursive = true;
|
|
// Use some ancestor of the root directory
|
|
let subDirectoryPath: Path | undefined, subDirectory: string | undefined;
|
|
if (rootPath !== undefined) {
|
|
while (!isInDirectoryPath(dirPath, rootPath)) {
|
|
const parentPath = getDirectoryPath(dirPath);
|
|
if (parentPath === dirPath) {
|
|
break;
|
|
}
|
|
nonRecursive = false;
|
|
subDirectoryPath = dirPath;
|
|
subDirectory = dir;
|
|
dirPath = parentPath;
|
|
dir = getDirectoryPath(dir);
|
|
}
|
|
}
|
|
|
|
return canWatchDirectory(dirPath) ? { dir: subDirectory || dir, dirPath: subDirectoryPath || dirPath, nonRecursive } : undefined;
|
|
}
|
|
|
|
function isPathWithDefaultFailedLookupExtension(path: Path) {
|
|
return fileExtensionIsOneOf(path, failedLookupDefaultExtensions);
|
|
}
|
|
|
|
function watchFailedLookupLocationsOfExternalModuleResolutions<T extends ResolutionWithFailedLookupLocations, R extends ResolutionWithResolvedFileName>(
|
|
name: string,
|
|
resolution: T,
|
|
filePath: Path,
|
|
getResolutionWithResolvedFileName: GetResolutionWithResolvedFileName<T, R>,
|
|
) {
|
|
if (resolution.refCount) {
|
|
resolution.refCount++;
|
|
Debug.assertDefined(resolution.files);
|
|
}
|
|
else {
|
|
resolution.refCount = 1;
|
|
Debug.assert(resolution.files === undefined);
|
|
if (isExternalModuleNameRelative(name)) {
|
|
watchFailedLookupLocationOfResolution(resolution);
|
|
}
|
|
else {
|
|
nonRelativeExternalModuleResolutions.add(name, resolution);
|
|
}
|
|
const resolved = getResolutionWithResolvedFileName(resolution);
|
|
if (resolved && resolved.resolvedFileName) {
|
|
resolvedFileToResolution.add(resolutionHost.toPath(resolved.resolvedFileName), resolution);
|
|
}
|
|
}
|
|
(resolution.files || (resolution.files = [])).push(filePath);
|
|
}
|
|
|
|
function watchFailedLookupLocationOfResolution(resolution: ResolutionWithFailedLookupLocations) {
|
|
Debug.assert(!!resolution.refCount);
|
|
|
|
const { failedLookupLocations } = resolution;
|
|
if (!failedLookupLocations.length) return;
|
|
resolutionsWithFailedLookups.push(resolution);
|
|
|
|
let setAtRoot = false;
|
|
for (const failedLookupLocation of failedLookupLocations) {
|
|
const failedLookupLocationPath = resolutionHost.toPath(failedLookupLocation);
|
|
const toWatch = getDirectoryToWatchFailedLookupLocation(failedLookupLocation, failedLookupLocationPath);
|
|
if (toWatch) {
|
|
const { dir, dirPath, nonRecursive } = toWatch;
|
|
// If the failed lookup location path is not one of the supported extensions,
|
|
// store it in the custom path
|
|
if (!isPathWithDefaultFailedLookupExtension(failedLookupLocationPath)) {
|
|
const refCount = customFailedLookupPaths.get(failedLookupLocationPath) || 0;
|
|
customFailedLookupPaths.set(failedLookupLocationPath, refCount + 1);
|
|
}
|
|
if (dirPath === rootPath) {
|
|
Debug.assert(!nonRecursive);
|
|
setAtRoot = true;
|
|
}
|
|
else {
|
|
setDirectoryWatcher(dir, dirPath, nonRecursive);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (setAtRoot) {
|
|
// This is always non recursive
|
|
setDirectoryWatcher(rootDir!, rootPath, /*nonRecursive*/ true); // TODO: GH#18217
|
|
}
|
|
}
|
|
|
|
function watchFailedLookupLocationOfNonRelativeModuleResolutions(resolutions: ResolutionWithFailedLookupLocations[], name: string) {
|
|
const program = resolutionHost.getCurrentProgram();
|
|
if (!program || !program.getTypeChecker().tryFindAmbientModuleWithoutAugmentations(name)) {
|
|
resolutions.forEach(watchFailedLookupLocationOfResolution);
|
|
}
|
|
}
|
|
|
|
function setDirectoryWatcher(dir: string, dirPath: Path, nonRecursive?: boolean) {
|
|
const dirWatcher = directoryWatchesOfFailedLookups.get(dirPath);
|
|
if (dirWatcher) {
|
|
Debug.assert(!!nonRecursive === !!dirWatcher.nonRecursive);
|
|
dirWatcher.refCount++;
|
|
}
|
|
else {
|
|
directoryWatchesOfFailedLookups.set(dirPath, { watcher: createDirectoryWatcher(dir, dirPath, nonRecursive), refCount: 1, nonRecursive });
|
|
}
|
|
}
|
|
|
|
function stopWatchFailedLookupLocationOfResolution<T extends ResolutionWithFailedLookupLocations, R extends ResolutionWithResolvedFileName>(
|
|
resolution: T,
|
|
filePath: Path,
|
|
getResolutionWithResolvedFileName: GetResolutionWithResolvedFileName<T, R>,
|
|
) {
|
|
unorderedRemoveItem(Debug.assertDefined(resolution.files), filePath);
|
|
resolution.refCount!--;
|
|
if (resolution.refCount) {
|
|
return;
|
|
}
|
|
const resolved = getResolutionWithResolvedFileName(resolution);
|
|
if (resolved && resolved.resolvedFileName) {
|
|
resolvedFileToResolution.remove(resolutionHost.toPath(resolved.resolvedFileName), resolution);
|
|
}
|
|
|
|
if (!unorderedRemoveItem(resolutionsWithFailedLookups, resolution)) {
|
|
// If not watching failed lookups, it wont be there in resolutionsWithFailedLookups
|
|
return;
|
|
}
|
|
|
|
const { failedLookupLocations } = resolution;
|
|
let removeAtRoot = false;
|
|
for (const failedLookupLocation of failedLookupLocations) {
|
|
const failedLookupLocationPath = resolutionHost.toPath(failedLookupLocation);
|
|
const toWatch = getDirectoryToWatchFailedLookupLocation(failedLookupLocation, failedLookupLocationPath);
|
|
if (toWatch) {
|
|
const { dirPath } = toWatch;
|
|
const refCount = customFailedLookupPaths.get(failedLookupLocationPath);
|
|
if (refCount) {
|
|
if (refCount === 1) {
|
|
customFailedLookupPaths.delete(failedLookupLocationPath);
|
|
}
|
|
else {
|
|
Debug.assert(refCount > 1);
|
|
customFailedLookupPaths.set(failedLookupLocationPath, refCount - 1);
|
|
}
|
|
}
|
|
|
|
if (dirPath === rootPath) {
|
|
removeAtRoot = true;
|
|
}
|
|
else {
|
|
removeDirectoryWatcher(dirPath);
|
|
}
|
|
}
|
|
}
|
|
if (removeAtRoot) {
|
|
removeDirectoryWatcher(rootPath);
|
|
}
|
|
}
|
|
|
|
function removeDirectoryWatcher(dirPath: string) {
|
|
const dirWatcher = directoryWatchesOfFailedLookups.get(dirPath)!;
|
|
// Do not close the watcher yet since it might be needed by other failed lookup locations.
|
|
dirWatcher.refCount--;
|
|
}
|
|
|
|
function createDirectoryWatcher(directory: string, dirPath: Path, nonRecursive: boolean | undefined) {
|
|
return resolutionHost.watchDirectoryOfFailedLookupLocation(directory, fileOrDirectory => {
|
|
const fileOrDirectoryPath = resolutionHost.toPath(fileOrDirectory);
|
|
if (cachedDirectoryStructureHost) {
|
|
// Since the file existence changed, update the sourceFiles cache
|
|
cachedDirectoryStructureHost.addOrDeleteFileOrDirectory(fileOrDirectory, fileOrDirectoryPath);
|
|
}
|
|
|
|
scheduleInvalidateResolutionOfFailedLookupLocation(fileOrDirectoryPath, dirPath === fileOrDirectoryPath);
|
|
}, nonRecursive ? WatchDirectoryFlags.None : WatchDirectoryFlags.Recursive);
|
|
}
|
|
|
|
function removeResolutionsOfFileFromCache<T extends ResolutionWithFailedLookupLocations, R extends ResolutionWithResolvedFileName>(
|
|
cache: ESMap<string, ESMap<string, T>>,
|
|
filePath: Path,
|
|
getResolutionWithResolvedFileName: GetResolutionWithResolvedFileName<T, R>,
|
|
) {
|
|
// Deleted file, stop watching failed lookups for all the resolutions in the file
|
|
const resolutions = cache.get(filePath);
|
|
if (resolutions) {
|
|
resolutions.forEach(resolution => stopWatchFailedLookupLocationOfResolution(resolution, filePath, getResolutionWithResolvedFileName));
|
|
cache.delete(filePath);
|
|
}
|
|
}
|
|
|
|
function removeResolutionsFromProjectReferenceRedirects(filePath: Path) {
|
|
if (!fileExtensionIs(filePath, Extension.Json)) { return; }
|
|
|
|
const program = resolutionHost.getCurrentProgram();
|
|
if (!program) { return; }
|
|
|
|
// If this file is input file for the referenced project, get it
|
|
const resolvedProjectReference = program.getResolvedProjectReferenceByPath(filePath);
|
|
if (!resolvedProjectReference) { return; }
|
|
|
|
// filePath is for the projectReference and the containing file is from this project reference, invalidate the resolution
|
|
resolvedProjectReference.commandLine.fileNames.forEach(f => removeResolutionsOfFile(resolutionHost.toPath(f)));
|
|
}
|
|
|
|
function removeResolutionsOfFile(filePath: Path) {
|
|
removeResolutionsOfFileFromCache(resolvedModuleNames, filePath, getResolvedModule);
|
|
removeResolutionsOfFileFromCache(resolvedTypeReferenceDirectives, filePath, getResolvedTypeReferenceDirective);
|
|
}
|
|
|
|
function invalidateResolutions(resolutions: ResolutionWithFailedLookupLocations[] | undefined, canInvalidate: (resolution: ResolutionWithFailedLookupLocations) => boolean) {
|
|
if (!resolutions) return false;
|
|
let invalidated = false;
|
|
for (const resolution of resolutions) {
|
|
if (resolution.isInvalidated || !canInvalidate(resolution)) continue;
|
|
resolution.isInvalidated = invalidated = true;
|
|
for (const containingFilePath of Debug.assertDefined(resolution.files)) {
|
|
(filesWithInvalidatedResolutions || (filesWithInvalidatedResolutions = new Set())).add(containingFilePath);
|
|
// When its a file with inferred types resolution, invalidate type reference directive resolution
|
|
hasChangedAutomaticTypeDirectiveNames = hasChangedAutomaticTypeDirectiveNames || containingFilePath.endsWith(inferredTypesContainingFile);
|
|
}
|
|
}
|
|
return invalidated;
|
|
}
|
|
|
|
function invalidateResolutionOfFile(filePath: Path) {
|
|
removeResolutionsOfFile(filePath);
|
|
// Resolution is invalidated if the resulting file name is same as the deleted file path
|
|
const prevHasChangedAutomaticTypeDirectiveNames = hasChangedAutomaticTypeDirectiveNames;
|
|
if (invalidateResolutions(resolvedFileToResolution.get(filePath), returnTrue) &&
|
|
hasChangedAutomaticTypeDirectiveNames &&
|
|
!prevHasChangedAutomaticTypeDirectiveNames) {
|
|
resolutionHost.onChangedAutomaticTypeDirectiveNames();
|
|
}
|
|
}
|
|
|
|
function setFilesWithInvalidatedNonRelativeUnresolvedImports(filesMap: ReadonlyESMap<Path, readonly string[]>) {
|
|
Debug.assert(filesWithInvalidatedNonRelativeUnresolvedImports === filesMap || filesWithInvalidatedNonRelativeUnresolvedImports === undefined);
|
|
filesWithInvalidatedNonRelativeUnresolvedImports = filesMap;
|
|
}
|
|
|
|
function scheduleInvalidateResolutionOfFailedLookupLocation(fileOrDirectoryPath: Path, isCreatingWatchedDirectory: boolean) {
|
|
if (isCreatingWatchedDirectory) {
|
|
// Watching directory is created
|
|
// Invalidate any resolution has failed lookup in this directory
|
|
isInDirectoryChecks.push(fileOrDirectoryPath);
|
|
}
|
|
else {
|
|
// If something to do with folder/file starting with "." in node_modules folder, skip it
|
|
const updatedPath = removeIgnoredPath(fileOrDirectoryPath);
|
|
if (!updatedPath) return false;
|
|
fileOrDirectoryPath = updatedPath;
|
|
|
|
// prevent saving an open file from over-eagerly triggering invalidation
|
|
if (resolutionHost.fileIsOpen(fileOrDirectoryPath)) {
|
|
return false;
|
|
}
|
|
|
|
// 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
|
|
const dirOfFileOrDirectory = getDirectoryPath(fileOrDirectoryPath);
|
|
if (isNodeModulesAtTypesDirectory(fileOrDirectoryPath) || isNodeModulesDirectory(fileOrDirectoryPath) ||
|
|
isNodeModulesAtTypesDirectory(dirOfFileOrDirectory) || isNodeModulesDirectory(dirOfFileOrDirectory)) {
|
|
// Invalidate any resolution from this directory
|
|
failedLookupChecks.push(fileOrDirectoryPath);
|
|
startsWithPathChecks.push(fileOrDirectoryPath);
|
|
}
|
|
else {
|
|
if (!isPathWithDefaultFailedLookupExtension(fileOrDirectoryPath) && !customFailedLookupPaths.has(fileOrDirectoryPath)) {
|
|
return false;
|
|
}
|
|
// Ignore emits from the program
|
|
if (isEmittedFileOfProgram(resolutionHost.getCurrentProgram(), fileOrDirectoryPath)) {
|
|
return false;
|
|
}
|
|
// Resolution need to be invalidated if failed lookup location is same as the file or directory getting created
|
|
failedLookupChecks.push(fileOrDirectoryPath);
|
|
}
|
|
}
|
|
resolutionHost.scheduleInvalidateResolutionsOfFailedLookupLocations();
|
|
}
|
|
|
|
function invalidateResolutionsOfFailedLookupLocations() {
|
|
if (!failedLookupChecks.length && !startsWithPathChecks.length && !isInDirectoryChecks.length) {
|
|
return false;
|
|
}
|
|
|
|
const invalidated = invalidateResolutions(resolutionsWithFailedLookups, canInvalidateFailedLookupResolution);
|
|
failedLookupChecks.length = 0;
|
|
startsWithPathChecks.length = 0;
|
|
isInDirectoryChecks.length = 0;
|
|
return invalidated;
|
|
}
|
|
|
|
function canInvalidateFailedLookupResolution(resolution: ResolutionWithFailedLookupLocations) {
|
|
return resolution.failedLookupLocations.some(location => {
|
|
const locationPath = resolutionHost.toPath(location);
|
|
return contains(failedLookupChecks, locationPath) ||
|
|
startsWithPathChecks.some(fileOrDirectoryPath => startsWith(locationPath, fileOrDirectoryPath)) ||
|
|
isInDirectoryChecks.some(fileOrDirectoryPath => isInDirectoryPath(fileOrDirectoryPath, locationPath));
|
|
});
|
|
}
|
|
|
|
function closeTypeRootsWatch() {
|
|
clearMap(typeRootsWatches, closeFileWatcher);
|
|
}
|
|
|
|
function getDirectoryToWatchFailedLookupLocationFromTypeRoot(typeRoot: string, typeRootPath: Path): Path | undefined {
|
|
if (isInDirectoryPath(rootPath, typeRootPath)) {
|
|
return rootPath;
|
|
}
|
|
const toWatch = getDirectoryToWatchFromFailedLookupLocationDirectory(typeRoot, typeRootPath);
|
|
return toWatch && directoryWatchesOfFailedLookups.has(toWatch.dirPath) ? toWatch.dirPath : undefined;
|
|
}
|
|
|
|
function createTypeRootsWatch(typeRootPath: Path, typeRoot: string): FileWatcher {
|
|
// Create new watch and recursive info
|
|
return resolutionHost.watchTypeRootsDirectory(typeRoot, fileOrDirectory => {
|
|
const fileOrDirectoryPath = resolutionHost.toPath(fileOrDirectory);
|
|
if (cachedDirectoryStructureHost) {
|
|
// Since the file existence changed, update the sourceFiles cache
|
|
cachedDirectoryStructureHost.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
|
|
hasChangedAutomaticTypeDirectiveNames = true;
|
|
resolutionHost.onChangedAutomaticTypeDirectiveNames();
|
|
|
|
// Since directory watchers invoked are flaky, the failed lookup location events might not be triggered
|
|
// So handle to failed lookup locations here as well to ensure we are invalidating resolutions
|
|
const dirPath = getDirectoryToWatchFailedLookupLocationFromTypeRoot(typeRoot, typeRootPath);
|
|
if (dirPath) {
|
|
scheduleInvalidateResolutionOfFailedLookupLocation(fileOrDirectoryPath, dirPath === fileOrDirectoryPath);
|
|
}
|
|
}, 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
|
|
// But filter directories that are at root level to say directory doesnt exist, so that we arent watching them
|
|
const typeRoots = getEffectiveTypeRoots(options, { directoryExists: directoryExistsForTypeRootWatch, getCurrentDirectory });
|
|
if (typeRoots) {
|
|
mutateMap(
|
|
typeRootsWatches,
|
|
arrayToMap(typeRoots, tr => resolutionHost.toPath(tr)),
|
|
{
|
|
createNewValue: createTypeRootsWatch,
|
|
onDeleteValue: closeFileWatcher
|
|
}
|
|
);
|
|
}
|
|
else {
|
|
closeTypeRootsWatch();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Use this function to return if directory exists to get type roots to watch
|
|
* If we return directory exists then only the paths will be added to type roots
|
|
* Hence return true for all directories except root directories which are filtered from watching
|
|
*/
|
|
function directoryExistsForTypeRootWatch(nodeTypesDirectory: string) {
|
|
const dir = getDirectoryPath(getDirectoryPath(nodeTypesDirectory));
|
|
const dirPath = resolutionHost.toPath(dir);
|
|
return dirPath === rootPath || canWatchDirectory(dirPath);
|
|
}
|
|
}
|
|
}
|