fix(runtime-core): fix emit listener check on kebab-case events (#2542)

fix #2540
2020-11-28 04:24:29 +08:00
parent 2ab8c41a1a
commit 3532b2b021
2 changed files with 16 additions and 4 deletions
--- a/packages/runtime-core/src/componentEmits.ts
+++ b/packages/runtime-core/src/componentEmits.ts
@@ -201,9 +201,10 @@ export function isEmitListener(
  if (!options || !isOn(key)) {
    return false
  }
-  key = key.replace(/Once$/, '')
+  key = key.slice(2).replace(/Once$/, '')
  return (
-    hasOwn(options, key[2].toLowerCase() + key.slice(3)) ||
-    hasOwn(options, key.slice(2))
+    hasOwn(options, key[0].toLowerCase() + key.slice(1)) ||
+    hasOwn(options, hyphenate(key)) ||
+    hasOwn(options, key)
  )
 }