Add change-case-of-keys (#240)

packages/change-case-of-keys/README.md

@@ -0,0 +1,45 @@
+# Is Upper Case
+
+[![NPM version][npm-image]][npm-url]
+[![NPM downloads][downloads-image]][downloads-url]
+[![Bundle size][bundlephobia-image]][bundlephobia-url]
+
+> Transforms the keys of an object by applying a change-case function of choice on each key, recursively
+
+## Installation
+
+```
+npm install change-case-of-keys --save
+```
+
+## Usage
+
+```js
+import { changeCaseOfKeys } from "change-case-of-keys";
+import { camelCase } from 'change-case';
+// or, `import { camelCase, changeCaseOfKeys } from 'change-case';
+
+const changedObject = changeCaseOfKeys({
+  first_name: 'bob',
+  last_name: 'the builder',
+  credentials: [{ built_things: true }],
+}, camelCase);
+/*
+  {
+    firstName: 'bob',
+    lastName: 'the builder',
+    credentials: [{ builtThings: true }],
+  }
+/*
+```
+
+## License
+
+MIT
+
+[npm-image]: https://img.shields.io/npm/v/change-case-of-keys.svg?style=flat
+[npm-url]: https://npmjs.org/package/change-case-of-keys
+[downloads-image]: https://img.shields.io/npm/dm/change-case-of-keys.svg?style=flat
+[downloads-url]: https://npmjs.org/package/change-case-of-keys
+[bundlephobia-image]: https://img.shields.io/bundlephobia/minzip/change-case-of-keys.svg
+[bundlephobia-url]: https://bundlephobia.com/result?p=change-case-of-keys