Refactor package in TypeScript, simplify interface

Author: blakeembrey

.gitignore

@@ -1,4 +1,7 @@
 .DS_Store
-node_modules
-coverage
+.vscode/
+dist/
+dist.es2015/
+node_modules/
+coverage/
 npm-debug.log

.travis.yml

@@ -6,7 +6,7 @@ notifications:
     on_failure: change
 
 node_js:
-  - "6"
+  - "8"
   - "stable"
 
 after_script: "npm install coveralls@2 && cat ./coverage/lcov.info | coveralls"

README.md

@@ -4,6 +4,7 @@
 [![NPM downloads][downloads-image]][downloads-url]
 [![Build status][travis-image]][travis-url]
 [![Test coverage][coveralls-image]][coveralls-url]
+[![Bundle size][bundlephobia-image]][bundlephobia-url]
 
 > Flatten nested arrays.
 
@@ -15,27 +16,17 @@ npm install array-flatten --save
 
 ## Usage
 
-```javascript
-var flatten = require('array-flatten')
+```js
+import { flatten } from "array-flatten";
 
-flatten([1, [2, [3, [4, [5], 6], 7], 8], 9])
+flatten([1, [2, [3, [4, [5], 6], 7], 8], 9]);
 //=> [1, 2, 3, 4, 5, 6, 7, 8, 9]
 
-flatten.depth([1, [2, [3, [4, [5], 6], 7], 8], 9], 2)
-//=> [1, 2, 3, [4, [5], 6], 7, 8, 9]
-
-(function () {
-  flatten.from(arguments) //=> [1, 2, 3]
-})(1, [2, 3])
+(function() {
+  flatten(arguments); //=> [1, 2, 3]
+})(1, [2, 3]);
 ```
 
-### Methods
-
-* **flatten(array)** Flatten a nested array structure
-* **flatten.from(arrayish)** Flatten an array-like structure (E.g. arguments)
-* **flatten.depth(array, depth)** Flatten a nested array structure with a specific depth
-* **flatten.fromDepth(arrayish, depth)** Flatten an array-like structure with a specific depth
-
 ## License
 
 MIT
@@ -48,3 +39,5 @@ MIT
 [travis-url]: https://travis-ci.org/blakeembrey/array-flatten
 [coveralls-image]: https://img.shields.io/coveralls/blakeembrey/array-flatten.svg?style=flat
 [coveralls-url]: https://coveralls.io/r/blakeembrey/array-flatten?branch=master
+[bundlephobia-image]: https://img.shields.io/bundlephobia/minzip/array-flatten.svg
+[bundlephobia-url]: https://bundlephobia.com/result?p=array-flatten

array-flatten.d.ts

@@ -0,0 +1,11 @@
+module.exports = flatten;
+
+function flatten(array) {
+  var result = Array.prototype.concat.apply([], array);
+
+  if (result.length === array.length) {
+    return result;
+  }
+
+  return flatten(result);
+}

array-flatten.js

@@ -0,0 +1,3 @@
+const { flatten } = require("../../dist");
+
+module.exports = flatten;