encoding: close file handle (#2958)

[bugfix] `encoding` closes files correctly Fixes: #2954
palantir · Jul 5, 2017 · 3f5a7bd · 3f5a7bd
1 parent 4e8474f
commit 3f5a7bd
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/rules/encodingRule.ts b/src/rules/encodingRule.ts
@@ -68,5 +68,6 @@ function detectEncoding(fileName: string): Encoding {
     const maxBytesRead = 3; // Only need 3 bytes to detect the encoding.
     const buffer = new Buffer(maxBytesRead);
     const bytesRead = fs.readSync(fd, buffer, /*offset*/ 0, /*length*/ maxBytesRead, /*position*/ 0);
+    fs.closeSync(fd);
     return detectBufferEncoding(buffer, bytesRead);
 }