Merge branch 'hotfix/v0.17.4'

Author: ClassicOldSong

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "ef-core",
-  "version": "0.17.3",
+  "version": "0.17.4",
   "description": "Core of ef.js (without parser)",
   "main": "dist/ef-core.min.js",
   "module": "src/ef-core.js",

package.json

@@ -107,7 +107,7 @@ const create = (ast, name) => {
 	return EFComponent
 }
 
-let coreVersion = '0.17.3'
+let coreVersion = '0.17.4'
 
 if (process.env.NODE_ENV !== 'production') {
 	coreVersion = `${coreVersion}+debug`

src/ef-core.js

@@ -351,7 +351,7 @@ const addEvent = (ctx, element, trigger, custom) => {
 	const callEventHandler = (event) => {
 		const value = _handler()
 		if (ctx.methods[m]) ctx.methods[m]({e: event, event, value, state: ctx.state})
-		else {
+		else if (m) {
 			if (process.env.NODE_ENV !== 'production') dbg.warn(`Bubbling up event '${m}'...`)
 			event.data = value
 			ctx.state.$emit(m, event)