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Use native maps when they're available

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This commit is contained in:
Andy Hanson
2016-12-05 14:13:32 -08:00
parent 2166364f83
commit 6b1cc8972d
80 changed files with 1117 additions and 949 deletions
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44
src/compiler/program.ts
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@@ -110,11 +110,11 @@ namespace ts {
}
function directoryExists(directoryPath: string): boolean {
if (directoryPath in existingDirectories) {
if (existingDirectories.has(directoryPath)) {
return true;
}
if (sys.directoryExists(directoryPath)) {
existingDirectories[directoryPath] = true;
existingDirectories.set(directoryPath, true);
return true;
}
return false;
@@ -138,11 +138,11 @@ namespace ts {
const hash = sys.createHash(data);
const mtimeBefore = sys.getModifiedTime(fileName);
if (mtimeBefore && fileName in outputFingerprints) {
const fingerprint = outputFingerprints[fileName];
if (mtimeBefore) {
const fingerprint = outputFingerprints.get(fileName);
// If output has not been changed, and the file has no external modification
if (fingerprint.byteOrderMark === writeByteOrderMark &&
if (fingerprint &&
fingerprint.byteOrderMark === writeByteOrderMark &&
fingerprint.hash === hash &&
fingerprint.mtime.getTime() === mtimeBefore.getTime()) {
return;
@@ -153,11 +153,11 @@ namespace ts {
const mtimeAfter = sys.getModifiedTime(fileName);
outputFingerprints[fileName] = {
outputFingerprints.set(fileName, {
hash,
byteOrderMark: writeByteOrderMark,
mtime: mtimeAfter
};
});
}
function writeFile(fileName: string, data: string, writeByteOrderMark: boolean, onError?: (message: string) => void) {
@@ -277,9 +277,9 @@ namespace ts {
const resolutions: T[] = [];
const cache = createMap<T>();
for (const name of names) {
const result = name in cache
? cache[name]
: cache[name] = loader(name, containingFile);
const result = cache.has(name)
? cache.get(name)
: set(cache, name, loader(name, containingFile));
resolutions.push(result);
}
return resolutions;
@@ -454,7 +454,7 @@ namespace ts {
classifiableNames = createMap<string>();
for (const sourceFile of files) {
copyProperties(sourceFile.classifiableNames, classifiableNames);
copyMapEntries(sourceFile.classifiableNames, classifiableNames);
}
}
@@ -729,7 +729,7 @@ namespace ts {
}
function isSourceFileFromExternalLibrary(file: SourceFile): boolean {
return sourceFilesFoundSearchingNodeModules[file.path];
return sourceFilesFoundSearchingNodeModules.get(file.path);
}
function getDiagnosticsProducingTypeChecker() {
@@ -1292,20 +1292,20 @@ namespace ts {
// If the file was previously found via a node_modules search, but is now being processed as a root file,
// then everything it sucks in may also be marked incorrectly, and needs to be checked again.
if (file && sourceFilesFoundSearchingNodeModules[file.path] && currentNodeModulesDepth == 0) {
sourceFilesFoundSearchingNodeModules[file.path] = false;
if (file && sourceFilesFoundSearchingNodeModules.get(file.path) && currentNodeModulesDepth == 0) {
sourceFilesFoundSearchingNodeModules.set(file.path, false);
if (!options.noResolve) {
processReferencedFiles(file, isDefaultLib);
processTypeReferenceDirectives(file);
}
modulesWithElidedImports[file.path] = false;
modulesWithElidedImports.set(file.path, false);
processImportedModules(file);
}
// See if we need to reprocess the imports due to prior skipped imports
else if (file && modulesWithElidedImports[file.path]) {
else if (file && modulesWithElidedImports.get(file.path)) {
if (currentNodeModulesDepth < maxNodeModuleJsDepth) {
modulesWithElidedImports[file.path] = false;
modulesWithElidedImports.set(file.path, false);
processImportedModules(file);
}
}
@@ -1326,7 +1326,7 @@ namespace ts {
filesByName.set(path, file);
if (file) {
sourceFilesFoundSearchingNodeModules[path] = (currentNodeModulesDepth > 0);
sourceFilesFoundSearchingNodeModules.set(path, currentNodeModulesDepth > 0);
file.path = path;
if (host.useCaseSensitiveFileNames()) {
@@ -1387,7 +1387,7 @@ namespace ts {
refFile?: SourceFile, refPos?: number, refEnd?: number): void {
// If we already found this library as a primary reference - nothing to do
const previousResolution = resolvedTypeReferenceDirectives[typeReferenceDirective];
const previousResolution = resolvedTypeReferenceDirectives.get(typeReferenceDirective);
if (previousResolution && previousResolution.primary) {
return;
}
@@ -1427,7 +1427,7 @@ namespace ts {
}
if (saveResolution) {
resolvedTypeReferenceDirectives[typeReferenceDirective] = resolvedTypeReferenceDirective;
resolvedTypeReferenceDirectives.set(typeReferenceDirective, resolvedTypeReferenceDirective);
}
}
@@ -1480,7 +1480,7 @@ namespace ts {
const shouldAddFile = resolvedFileName && !getResolutionDiagnostic(options, resolution) && !options.noResolve && i < file.imports.length && !elideImport;
if (elideImport) {
modulesWithElidedImports[file.path] = true;
modulesWithElidedImports.set(file.path, true);
}
else if (shouldAddFile) {
const path = toPath(resolvedFileName, currentDirectory, getCanonicalFileName);