updated typecheck for regex and remove FlowFixMe

jestjs · Mar 3, 2017 · ec46287 · ec46287
1 parent b2e1731
commit ec46287
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/packages/jest-haste-map/src/index.js b/packages/jest-haste-map/src/index.js
@@ -690,8 +690,8 @@ class HasteMap extends EventEmitter {
   _ignore(filePath: Path): boolean {
     const ignorePattern = this._options.ignorePattern;
     const ignoreMatched =
-      Object.prototype.toString.call(ignorePattern) === '[object RegExp]'
-      ? ignorePattern.test(filePath) // $FlowFixMe
+      ignorePattern instanceof RegExp
+      ? ignorePattern.test(filePath)
       : ignorePattern(filePath);
 
     return ignoreMatched ||