fix(compiler): warn against v-bind with empty attribute value

ref: #1128 (comment)
vuejs · May 7, 2020 · 675330b · 675330b
1 parent 6c2402a
commit 675330b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/compiler-core/src/transforms/vBind.ts b/packages/compiler-core/src/transforms/vBind.ts
@@ -10,7 +10,7 @@ import { CAMELIZE } from '../runtimeHelpers'
 export const transformBind: DirectiveTransform = (dir, node, context) => {
  const { exp, modifiers, loc } = dir
  const arg = dir.arg!
- if (!exp) {
+ if (!exp || (exp.type === NodeTypes.SIMPLE_EXPRESSION && !exp.content)) {
  context.onError(createCompilerError(ErrorCodes.X_V_BIND_NO_EXPRESSION, loc))
  }
  // .prop is no longer necessary due to new patch behavior