RC #291 - Adding Numbers class to shared package

packages/shared/src/index.js

@@ -41,6 +41,7 @@ export { default as FuzzyDate } from './utils/FuzzyDate';
 export { default as Hooks } from './utils/Hooks';
 export { default as IIIF } from './utils/IIIF';
 export { default as Map } from './utils/Map';
+export { default as Numbers } from './utils/Numbers';
 export { default as ObjectJs } from './utils/Object';
 export { default as String } from './utils/String';
 export { default as Timer } from './utils/Timer';

packages/shared/src/utils/Numbers.js

@@ -0,0 +1,19 @@
+// @flow
+
+/**
+ * Returns a random integer between the min (inclusive) and max (exclude) values.
+ *
+ * @param min
+ * @param max
+ *
+ * @returns {number}
+ */
+const getRandomInt = (min, max) => {
+  const minCeiled = Math.ceil(min);
+  const maxFloored = Math.floor(max);
+  return Math.floor(Math.random() * (maxFloored - minCeiled) + minCeiled);
+};
+
+export default {
+  getRandomInt
+};