Bugfix: resolving "toString" name causes a crush

Galooshi · Mar 17, 2018 · 0024cdc · 0024cdc
1 parent 0ba5fec
commit 0024cdc
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/lib/Configuration.js b/lib/Configuration.js
@@ -3,6 +3,7 @@
 import crypto from 'crypto';
 import os from 'os';
 import path from 'path';
+import has from 'lodash/has';
 
 import globals from 'globals';
 import semver from 'semver';
@@ -291,11 +292,12 @@ export default class Configuration {
   }
 
   resolveAlias(variableName: string): ?string {
-    let importPath = this.get('aliases')[variableName];
-    if (!importPath) {
+    if (!has(this.get('aliases'), variableName)) {
       return null;
     }
 
+    let importPath = this.get('aliases')[variableName];
+
     importPath = importPath.path || importPath; // path may be an object
 
     if (this.pathToCurrentFile !== './') {