Add noFileSystemlookup checks

jrieken · Jul 11, 2017 · af92a84 · af92a84
1 parent 3397d40
commit af92a84
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/lib/builder.js b/lib/builder.js
@@ -437,10 +437,10 @@ var LanguageServiceHost = (function () {
         return process.cwd();
     };
     LanguageServiceHost.prototype.fileExists = function (fileName) {
-        return fs_1.existsSync(fileName);
+        return !this._noFilesystemLookup && fs_1.existsSync(fileName);
     };
     LanguageServiceHost.prototype.readFile = function (fileName) {
-        return fs_1.readFileSync(fileName, 'utf8');
+        return this._noFilesystemLookup ? '' : fs_1.readFileSync(fileName, 'utf8');
     };
     LanguageServiceHost.prototype.getDefaultLibFileName = function (options) {
         return normalize(path.join(this.getDefaultLibLocation(), ts.getDefaultLibFileName(options)));

diff --git a/src/builder.ts b/src/builder.ts
@@ -555,11 +555,11 @@ class LanguageServiceHost implements ts.LanguageServiceHost {
     }
 
     fileExists(fileName: string): boolean {
-        return existsSync(fileName);
+        return !this._noFilesystemLookup && existsSync(fileName);
     }
 
     readFile(fileName: string): string {
-        return readFileSync(fileName, 'utf8');
+        return this._noFilesystemLookup ? '' : readFileSync(fileName, 'utf8');
     }
 
     getDefaultLibFileName(options: ts.CompilerOptions): string {