babel-parser(ts): Raise recoverable error for abstract interface (#12771)

* Support parsing abstract interface * Address review Address reviews Address reviews * Fix types * Add hasFollowingLineBreak
2021-02-09 17:56:18 +09:00
parent 4778e32570
commit d242ea04c8
8 changed files with 190 additions and 17 deletions
--- a/packages/babel-parser/src/parser/util.js
+++ b/packages/babel-parser/src/parser/util.js
@@ -96,6 +96,12 @@ export default class UtilParser extends Tokenizer {
    );
  }

+  hasFollowingLineBreak(): boolean {
+    return lineBreak.test(
+      this.input.slice(this.state.end, this.nextTokenStart()),
+    );
+  }
+
  // TODO

  isLineTerminator(): boolean {