分离工具函数

packages/artplayer/src/utils/property.js

@@ -0,0 +1,33 @@
+import { errorHandle } from './error';
+
+export function hasOwnProperty(obj, name) {
+    return Object.prototype.hasOwnProperty.call(obj, name);
+}
+
+export function proxyPropertys(target, ...sources) {
+    return sources.reduce((result, source) => {
+        Object.getOwnPropertyNames(source).forEach(key => {
+            errorHandle(!hasOwnProperty(result, key), `Target attribute name is duplicated: ${key}`);
+            Object.defineProperty(result, key, Object.getOwnPropertyDescriptor(source, key));
+        });
+        return result;
+    }, target);
+}
+
+export function mergeDeep(...objects) {
+    const isObject = item => item && typeof item === 'object' && !Array.isArray(item);
+    return objects.reduce((prev, obj) => {
+        Object.keys(obj).forEach(key => {
+            const pVal = prev[key];
+            const oVal = obj[key];
+            if (Array.isArray(pVal) && Array.isArray(oVal)) {
+                prev[key] = pVal.concat(...oVal);
+            } else if (isObject(pVal) && isObject(oVal) && !(oVal instanceof Element)) {
+                prev[key] = mergeDeep(pVal, oVal);
+            } else {
+                prev[key] = oVal;
+            }
+        });
+        return prev;
+    }, {});
+}