fix(compiler-core): should treat attribute key as expression (#4658)

2021-09-26 02:21:09 +08:00
parent 901e18bd94
commit 7aa0ea06c8
2 changed files with 26 additions and 1 deletions
--- a/packages/compiler-core/src/transforms/vFor.ts
+++ b/packages/compiler-core/src/transforms/vFor.ts
@@ -68,7 +68,12 @@ export const transformFor = createStructuralDirectiveTransform(
          : keyProp.exp!)
      const keyProperty = keyProp ? createObjectProperty(`key`, keyExp!) : null

-      if (!__BROWSER__ && context.prefixIdentifiers && keyProperty) {
+      if (
+        !__BROWSER__ &&
+        context.prefixIdentifiers &&
+        keyProperty &&
+        keyProp!.type !== NodeTypes.ATTRIBUTE
+      ) {
        // #2085 process :key expression needs to be processed in order for it
        // to behave consistently for <template v-for> and <div v-for>.
        // In the case of `<template v-for>`, the node is discarded and never