and mising utils

Author: dai-shi

frameworks/keyed/jotai/src/utils.ts

@@ -0,0 +1,33 @@
+import { atom, PrimitiveAtom } from "jotai";
+
+function random(max: number) {
+  return Math.round(Math.random() * 1000) % max;
+}
+
+const A = ["pretty", "large", "big", "small", "tall", "short", "long", "handsome", "plain", "quaint", "clean", "elegant", "easy", "angry", "crazy", "helpful", "mushy", "odd", "unsightly", "adorable", "important", "inexpensive", "cheap", "expensive", "fancy"];
+const C = ["red", "yellow", "blue", "green", "pink", "brown", "purple", "brown", "white", "black", "orange"];
+const N = ["table", "chair", "house", "bbq", "desk", "car", "pony", "cookie", "sandwich", "burger", "pizza", "mouse", "keyboard"];
+
+let nextId = 1;
+
+export interface Data {
+  id: number;
+  label: string;
+}
+
+export function buildNextItem(): Data {
+  return {
+    id: nextId++,
+    label: `${A[random(A.length)]} ${C[random(C.length)]} ${
+      N[random(N.length)]
+    }`,
+  };
+}
+
+export function buildDataAtoms(count: number): PrimitiveAtom<Data>[] {
+  const data = new Array(count);
+  for (let i = 0; i < count; i++) {
+    data[i] = atom(buildNextItem());
+  }
+  return data;
+}