Remove array-move dependency

Author: Clauderic Demers

package.json

@@ -43,7 +43,6 @@
     "release": "standard-version"
   },
   "dependencies": {
-    "array-move": "^1.0.0",
     "invariant": "^2.2.1",
     "prop-types": "^15.5.7"
   },

src/index.js

@@ -6,5 +6,4 @@ export {default as sortableContainer} from './SortableContainer';
 export {default as sortableElement} from './SortableElement';
 export {default as sortableHandle} from './SortableHandle';
 
-// Will be deprecated soon. Consumers should install array-move in their project
-export {default as arrayMove} from 'array-move';
+export {arrayMove} from './utils';

src/utils.js

@@ -1,5 +1,13 @@
 import invariant from 'invariant';
 
+// Will be deprecated soon. Consumers should install array-move in their project instead
+export function arrayMove(array, from, to) {
+  array = array.slice();
+  array.splice(to < 0 ? array.length + to : to, 0, array.splice(from, 1)[0]);
+
+  return array;
+}
+
 export function omit(obj, ...keysToOmit) {
   return Object.keys(obj).reduce((acc, key) => {
     if (keysToOmit.indexOf(key) === -1) {

yarn.lock

@@ -1813,11 +1813,6 @@ array-map@~0.0.0:
   resolved "https://registry.yarnpkg.com/array-map/-/array-map-0.0.0.tgz#88a2bab73d1cf7bcd5c1b118a003f66f665fa662"
   integrity sha1-iKK6tz0c97zVwbEYoAP2b2ZfpmI=
 
-array-move@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/array-move/-/array-move-1.0.0.tgz#ec5de472cab0b9db3e50963fd71476ba477a6583"
-  integrity sha1-7F3kcsqwuds+UJY/1xR2ukd6ZYM=
-
 array-reduce@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/array-reduce/-/array-reduce-0.0.0.tgz#173899d3ffd1c7d9383e4479525dbe278cab5f2b"