Optimize parseBindingAtom code to get better error messages (#9762)

2019-03-25 14:23:39 -07:00
parent d720c6cfff
commit 444daf9224
20 changed files with 13 additions and 33 deletions
--- a/packages/babel-parser/src/parser/lval.js
+++ b/packages/babel-parser/src/parser/lval.js
@@ -231,9 +231,6 @@ export default class LValParser extends NodeUtils {
  // Parses lvalue (assignable) atom.
  parseBindingAtom(): Pattern {
    switch (this.state.type) {
-      case tt.name:
-        return this.parseIdentifier();
-
      case tt.bracketL: {
        const node = this.startNode();
        this.next();
@@ -243,10 +240,9 @@ export default class LValParser extends NodeUtils {

      case tt.braceL:
        return this.parseObj(true);
-
-      default:
-        throw this.unexpected();
    }
+
+    return this.parseIdentifier();
  }

  parseBindingList(