refactor: 子进程

test/mergeTest.mjs

@@ -0,0 +1,57 @@
+import lodash from "lodash";
+
+const defConfig = {a:{aa:1,bb:2},b:{c:2},d:[1,2,3],e:{ee:1,aa:2}}
+const newConfig = {a:{aa:1,bb:2},d:[5],e:{bb:2,ee:2,aa:2}}
+
+const result = { d: [ 5 ],e:{ee:2} }
+
+const load = {a:1,d:[5,1,2,3]}
+const DELETE =  '____DELETE____'
+// lodash.mergeWith(defConfig,newConfig, (objValue, srcValue, key, object, source, stack) => {
+//     console.log('stack', stack,'key',key)
+//
+//     if (lodash.isArray(srcValue)) {
+//         return srcValue
+//     }
+//     if(lodash.isEqual(objValue,srcValue)){
+//        //如何删除
+//         return DELETE
+//     }
+// })
+
+function doMerge (defObj, newObj) {
+    const defObj2 = { ...defObj }
+    const newObj2 = {}
+    lodash.forEach(newObj,(newValue,key)=>{
+       // const newValue = newObj[key]
+        const defValue = defObj[key]
+        if (lodash.isEqual(newValue, defValue)) {
+            delete defObj2[key]
+            return
+        }
+
+        if (lodash.isArray(newValue)) {
+            delete defObj2[key]
+            newObj2[key] = newValue
+            return
+        }
+        if (lodash.isObject(newValue)) {
+            newObj2[key] = doMerge(defValue, newValue)
+            delete defObj2[key]
+        } else {
+            // 基础类型，直接覆盖
+            delete defObj2[key]
+            newObj2[key] = newValue
+        }
+    })
+    // defObj 里面剩下的是被删掉的
+    lodash.forEach(defObj2, (defValue, key) => {
+        newObj2[key] = null
+    })
+    return newObj2
+}
+
+console.log(doMerge(defConfig,newConfig))
+
+
+