feat: add uid

packages/utils/src/index.ts

@@ -1,12 +1,4 @@
-import deepmerge from 'deepmerge';
+export * from './merge';
-
-const overwriteMerge = (destinationArray, sourceArray, options) => sourceArray;
-
-export function merge(obj1: any, obj2: any) {
-  return deepmerge(obj1, obj2, {
-    arrayMerge: overwriteMerge,
-  });
-}
-
 export * from './mixin';
 export * from './mixin/AsyncEmitter';
+export * from './uid';

packages/utils/src/merge.ts

@@ -0,0 +1,9 @@
+import deepmerge from 'deepmerge';
+
+const overwriteMerge = (destinationArray, sourceArray, options) => sourceArray;
+
+export function merge(obj1: any, obj2: any) {
+  return deepmerge(obj1, obj2, {
+    arrayMerge: overwriteMerge,
+  });
+}

packages/utils/src/uid.ts

@@ -0,0 +1,10 @@
+let IDX = 36,
+  HEX = '';
+while (IDX--) HEX += IDX.toString(36);
+
+export function uid(len?: number) {
+  let str = '',
+    num = len || 11;
+  while (num--) str += HEX[(Math.random() * 36) | 0];
+  return str;
+}