wip: add helper & base

src/util/deal.ts

@@ -0,0 +1,10 @@
+import sampleSize from 'lodash/sampleSize';
+import { dealStringToArr } from 'actions-util';
+
+export const dealRandomAssignees = (assignees: string, randomTo: string | void): string[] => {
+  let arr = dealStringToArr(assignees);
+  if (randomTo && Number(randomTo) > 0 && Number(randomTo) < arr.length) {
+    arr = sampleSize(arr, Number(randomTo));
+  }
+  return arr;
+}

src/util/index.ts

@@ -0,0 +1,5 @@
+import { dealStringToArr } from 'actions-util';
+export { dealStringToArr };
+
+export * from './data';
+export * from './deal';