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fix 'fileExists' check by using stat directly

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This commit is contained in:
Vladimir Matveev 2016-02-11 16:59:54 -08:00
parent 20f7b18d99
commit 354e650341
1 changed files with 28 additions and 7 deletions
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35
src/compiler/sys.ts
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@ -411,7 +411,7 @@ namespace ts {
const useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin";
function readFile(fileName: string, encoding?: string): string {
if (!_fs.existsSync(fileName)) {
if (!fileExists(fileName)) {
return undefined;
}
const buffer = _fs.readFileSync(fileName);
@ -462,6 +462,31 @@ namespace ts {
return useCaseSensitiveFileNames ? path : path.toLowerCase();
}
const enum FileSystemEntryKind {
File,
Directory
}
function fileSystemEntryExists(path: string, entryKind: FileSystemEntryKind): boolean {
try {
const stat = _fs.statSync(path);
switch (entryKind) {
case FileSystemEntryKind.File: return stat.isFile();
case FileSystemEntryKind.Directory: return stat.isDirectory();
}
}
catch (e) {
return false;
}
}
function fileExists(path: string): boolean {
return fileSystemEntryExists(path, FileSystemEntryKind.File);
}
function directoryExists(path: string): boolean {
return fileSystemEntryExists(path, FileSystemEntryKind.Directory);
}
function readDirectory(path: string, extension?: string, exclude?: string[]): string[] {
const result: string[] = [];
exclude = map(exclude, s => getCanonicalPath(combinePaths(path, s)));
@ -538,12 +563,8 @@ namespace ts {
resolvePath: function (path: string): string {
return _path.resolve(path);
},
fileExists(path: string): boolean {
return _fs.existsSync(path);
},
directoryExists(path: string) {
return _fs.existsSync(path) && _fs.statSync(path).isDirectory();
},
fileExists,
directoryExists,
createDirectory(directoryName: string) {
if (!this.directoryExists(directoryName)) {
_fs.mkdirSync(directoryName);