style(Icon): delete default color

wip(router): async import route developing

src/utils/index.ts

@@ -34,3 +34,23 @@ export function underlineToHump(str: string): string {
     return letter.toUpperCase()
   })
 }
+
+/**
+ * 对象数组深拷贝
+ * @param {Array,Object} source 需要深拷贝的对象数组
+ * @param {Array} noClone 不需要深拷贝的属性集合
+ */
+export function deepClone(source: any, noClone: string[] = []): any {
+  if (!source && typeof source !== 'object') {
+    throw new Error('error arguments deepClone')
+  }
+  const targetObj: any = source.constructor === Array ? [] : {}
+  Object.keys(source).forEach((keys: string) => {
+    if (source[keys] && typeof source[keys] === 'object' && noClone.indexOf(keys) === -1) {
+      targetObj[keys] = deepClone(source[keys], noClone)
+    } else {
+      targetObj[keys] = source[keys]
+    }
+  })
+  return targetObj
+}