增加getAssetByName方法

dist/index.es.js

@@ -150,6 +150,9 @@ var module = {
 function getAssetByUUID(uuid){
 	return engine.resolveCustomAsset('${id}', uuid);
 }
+function getAssetByName(name){
+	return getAssetByUUID(engine.getAssetByName(name).uuid);
+}
 function getProps(){
 	return engine.getProps('${id}');
 }

dist/index.js

@@ -156,6 +156,9 @@ var module = {
 function getAssetByUUID(uuid){
 	return engine.resolveCustomAsset('${id}', uuid);
 }
+function getAssetByName(name){
+	return getAssetByUUID(engine.getAssetByName(name).uuid);
+}
 function getProps(){
 	return engine.getProps('${id}');
 }

dist/index.umd.js

@@ -155,6 +155,9 @@ var module = {
 function getAssetByUUID(uuid){
 	return engine.resolveCustomAsset('${id}', uuid);
 }
+function getAssetByName(name){
+	return getAssetByUUID(engine.getAssetByName(name).uuid);
+}
 function getProps(){
 	return engine.getProps('${id}');
 }

src/CustomManager.js

@@ -23,6 +23,9 @@ var module = {
 function getAssetByUUID(uuid){
 	return engine.resolveCustomAsset('${id}', uuid);
 }
+function getAssetByName(name){
+	return getAssetByUUID(engine.getAssetByName(name).uuid);
+}
 function getProps(){
 	return engine.getProps('${id}');
 }