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Merge pull request #11332 from Microsoft/vladima/fs-case-sensitivity

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check case sensitivity of host file system.
This commit is contained in:
Vladimir Matveev 2016-10-03 15:30:04 -07:00 committed by GitHub
commit adeb2a2d83
1 changed files with 11 additions and 2 deletions
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13
src/compiler/sys.ts
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@ -311,9 +311,18 @@ namespace ts {
return parseInt(process.version.charAt(1)) >= 4;
}
function isFileSystemCaseSensitive(): boolean {
// win32\win64 are case insensitive platforms
if (platform === "win32" || platform === "win64") {
return false;
}
// convert current file name to upper case / lower case and check if file exists
// (guards against cases when name is already all uppercase or lowercase)
return !fileExists(__filename.toUpperCase()) || !fileExists(__filename.toLowerCase());
}
const platform: string = _os.platform();
// win32\win64 are case insensitive platforms, MacOS (darwin) by default is also case insensitive
const useCaseSensitiveFileNames = platform !== "win32" && platform !== "win64" && platform !== "darwin";
const useCaseSensitiveFileNames = isFileSystemCaseSensitive();
function readFile(fileName: string, encoding?: string): string {
if (!fileExists(fileName)) {