fix(compiler-sfc): fix ref sugar rewrite for identifiers in ts casting expressions

fix #4254
2021-08-06 12:55:48 -04:00
parent 86d78d10e3
commit 865b84bfe8
3 changed files with 41 additions and 1 deletions
--- a/packages/compiler-sfc/src/compileScript.ts
+++ b/packages/compiler-sfc/src/compileScript.ts
@@ -1781,7 +1781,12 @@ export function walkIdentifiers(
  ;(walk as any)(root, {
    enter(node: Node & { scopeIds?: Set<string> }, parent: Node | undefined) {
      parent && parentStack.push(parent)
-      if (node.type.startsWith('TS')) {
+      if (
+        parent &&
+        parent.type.startsWith('TS') &&
+        parent.type !== 'TSAsExpression' &&
+        parent.type !== 'TSNonNullExpression'
+      ) {
        return this.skip()
      }
      if (onNode && onNode(node, parent!, parentStack) === false) {