feat: mapObject

packages/core/index.js

@@ -1,6 +1,14 @@
-export {arrayUnique, flatten, fromObject as arrayFromObject} from './array';
+export {
+  arrayUnique,
+  flatten,
+  fromObject as arrayFromObject,
+  shuffleInPlace
+} from './array';
 export {EventEmitterMixin as EventEmitter} from './event-emitter';
+export {inflate, deflate} from './flate';
+export {compose, fastApply} from './function';
 export {invoke as invokeHook, invokeFlat as invokeHookFlat} from './hook/registry';
+export {iterateForEach} from './iterator';
 export {merge} from './merge';
 export {
   mergeDiff,
@@ -8,9 +16,9 @@ export {
   mergeDiffObject,
   mergeDiffPrimitive,
 } from './merge-diff';
-export {inflate, deflate} from './flate';
-export {compose, fastApply} from './function';
-export {iterateForEach} from './iterator';
+export {
+  map as mapObject,
+} from './object';
 export {PropertyMixin as Property} from './property';
 export {TickingPromise} from './ticking-promise';
 export {virtualize, virtualizeStatic} from './virtualize';

packages/core/object.js

@@ -0,0 +1,9 @@
+export function map(O, fn) {
+  const keys = Object.keys(O);
+  const result = {};
+  for (let i = 0; i < keys.length; i++) {
+    const key = keys[i];
+    result[key] = fn(O[key]);
+  }
+  return result;
+}