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Reuse map if module resolution is same for redirected and own files

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This commit is contained in:
Sheetal Nandi 2019-04-23 15:32:02 -07:00
parent 4b81e37941
commit 3264b64f08
3 changed files with 13 additions and 7 deletions
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11
src/compiler/moduleNameResolver.ts
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@ -436,10 +436,10 @@ namespace ts {
set(directory: string, result: ResolvedModuleWithFailedLookupLocations): void;
}
export function createModuleResolutionCache(currentDirectory: string, getCanonicalFileName: (s: string) => string): ModuleResolutionCache {
export function createModuleResolutionCache(currentDirectory: string, getCanonicalFileName: (s: string) => string, options?: CompilerOptions): ModuleResolutionCache {
return createModuleResolutionCacheWithMaps(
createCacheWithRedirects(),
createCacheWithRedirects(),
createCacheWithRedirects(options),
createCacheWithRedirects(options),
currentDirectory,
getCanonicalFileName
);
@ -454,7 +454,7 @@ namespace ts {
}
/*@internal*/
export function createCacheWithRedirects<T>(): CacheWithRedirects<T> {
export function createCacheWithRedirects<T>(options?: CompilerOptions): CacheWithRedirects<T> {
const ownMap: Map<T> = createMap();
const redirectsMap: Map<Map<T>> = createMap();
return {
@ -471,7 +471,8 @@ namespace ts {
const path = redirectedReference.sourceFile.path;
let redirects = redirectsMap.get(path);
if (!redirects) {
redirects = createMap();
// Reuse map if redirected reference map uses same resolution
redirects = !options || optionsHaveModuleResolutionChanges(options, redirectedReference.commandLine.options) ? createMap() : ownMap;
redirectsMap.set(path, redirects);
}
return redirects;

2
src/compiler/program.ts
View file

@ -773,7 +773,7 @@ namespace ts {
});
}
else {
moduleResolutionCache = createModuleResolutionCache(currentDirectory, x => host.getCanonicalFileName(x));
moduleResolutionCache = createModuleResolutionCache(currentDirectory, x => host.getCanonicalFileName(x), options);
const loader = (moduleName: string, containingFile: string, redirectedReference: ResolvedProjectReference | undefined) => resolveModuleName(moduleName, containingFile, options, host, moduleResolutionCache, redirectedReference).resolvedModule!; // TODO: GH#18217
resolveModuleNamesWorker = (moduleNames, containingFile, _reusedNames, redirectedReference) => loadWithLocalCache<ResolvedModuleFull>(Debug.assertEachDefined(moduleNames), containingFile, redirectedReference, loader);
}

7
src/compiler/utilities.ts
View file

@ -101,7 +101,12 @@ namespace ts {
}
export function changesAffectModuleResolution(oldOptions: CompilerOptions, newOptions: CompilerOptions): boolean {
return oldOptions.configFilePath !== newOptions.configFilePath || moduleResolutionOptionDeclarations.some(o =>
return oldOptions.configFilePath !== newOptions.configFilePath ||
optionsHaveModuleResolutionChanges(oldOptions, newOptions);
}
export function optionsHaveModuleResolutionChanges(oldOptions: CompilerOptions, newOptions: CompilerOptions) {
return moduleResolutionOptionDeclarations.some(o =>
!isJsonEqual(getCompilerOptionValue(oldOptions, o), getCompilerOptionValue(newOptions, o)));
}