Update packages/babel-parser/src/plugins/placeholders.js

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>
babel · Jun 5, 2020 · a6138fb · a6138fb
1 parent 44a3486
commit a6138fb
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/packages/babel-parser/src/plugins/placeholders.js b/packages/babel-parser/src/plugins/placeholders.js
@@ -256,8 +256,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
         const next = this.nextTokenStart();
         if (this.isUnparsedContextual(next, "from")) {
           if (
-            this.input.substr(this.nextTokenStartSince(next + 4), 2) ===
-            tt.placeholder.label
+            this.input.startsWith(
+              tt.placeholder.label,
+              this.nextTokenStartSince(next + 4),
+            )
           ) {
             return true;
           }