add hasFeature util method

2015-09-15 06:18:23 +01:00 · 2015-09-15 06:18:23 +01:00 · 25aa6da989
commit 25aa6da989
parent c31d2afc7f
1 changed files with 4 additions and 0 deletions
--- a/packages/babylon/src/parser/index.js
+++ b/packages/babylon/src/parser/index.js
@ -25,6 +25,10 @@ export default class Parser extends Tokenizer {
    }
  }

+  hasFeature(name) {
+    return !!this.options.features[name];
+  }
+
  extend(name, f) {
    this[name] = f(this[name]);
  }