feat(compile-core): handle falsy dynamic args for v-on and v-bind (#2393)

fix #2388
2020-10-20 05:15:53 +08:00
parent 7390487c7d
commit 052a621762
15 changed files with 96 additions and 71 deletions
--- a/packages/runtime-core/src/renderer.ts
+++ b/packages/runtime-core/src/renderer.ts
@@ -1070,6 +1070,7 @@ function baseCreateRenderer(
  ) => {
    if (oldProps !== newProps) {
      for (const key in newProps) {
+        // empty string is not valid prop
        if (isReservedProp(key)) continue
        const next = newProps[key]
        const prev = oldProps[key]