fix(compiler-core): improve member expression check

fix #3910
2021-06-09 11:57:48 -04:00
parent 9a5bdb15df
commit bc100c5c48
3 changed files with 78 additions and 9 deletions
--- a/packages/compiler-core/src/transforms/vModel.ts
+++ b/packages/compiler-core/src/transforms/vModel.ts
@@ -41,7 +41,7 @@ export const transformModel: DirectiveTransform = (dir, node, context) => {
    bindingType &&
    bindingType !== BindingTypes.SETUP_CONST

-  if (!isMemberExpression(expString) && !maybeRef) {
+  if (!expString.trim() || (!isMemberExpression(expString) && !maybeRef)) {
    context.onError(
      createCompilerError(ErrorCodes.X_V_MODEL_MALFORMED_EXPRESSION, exp.loc)
    )