feat: 🎸 add assignSymbols

src/assignSymbols/index.ts

@@ -0,0 +1,29 @@
+import { isObject } from 'lodash-unified'
+import symbolsOf from '../symbolsOf'
+
+/**
+ * 合并符号属性到目标对象上
+ *
+ * @example
+ * ```ts
+ * const obj = {}
+ *
+ * const obj1 = {}
+ * obj1[Symbol('key1')] = 1
+ *
+ * const obj2 = {}
+ * obj2[Symbol('key2')] = 2
+ *
+ * assignSymbols(obj, obj1, obj2)
+ * obj // => { [Symbol('key1')]: 1, [Symbol('key2')]: 2 }
+ * ```
+ */
+export default function assignSymbols<T extends object>(o: T, ...sources): T {
+  if (isObject(o)) {
+    for (const source of sources) {
+      const symbols = symbolsOf(source || {})
+      for (const syb of symbols) o[syb] = source[syb]
+    }
+  }
+  return o
+}