Remove lodash dependency

package.json

@@ -48,7 +48,6 @@
   "dependencies": {
     "babel-runtime": "^6.11.6",
     "invariant": "^2.2.1",
-    "lodash": "^4.12.0",
     "prop-types": "^15.5.7"
   },
   "peerDependencies": {
@@ -102,6 +101,7 @@
     "react-tiny-virtual-list": "^2.0.1",
     "react-virtualized": "^9.2.2",
     "redux": "^3.5.2",
+    "lodash": "^4.12.0",
     "rimraf": "^2.5.2",
     "sass-loader": "^3.2.0",
     "stack-source-map": "^1.0.4",

src/Manager.js

@@ -1,6 +1,3 @@
-import find from 'lodash/find';
-import sortBy from 'lodash/sortBy';
-
 export default class Manager {
   refs = {};
 
@@ -25,8 +22,7 @@ export default class Manager {
   }
 
   getActive() {
-    return find(
-      this.refs[this.active.collection],
+    return this.refs[this.active.collection].find(
       // eslint-disable-next-line eqeqeq
       ({node}) => node.sortableInfo.index == this.active.index
     );
@@ -37,6 +33,13 @@ export default class Manager {
   }
 
   getOrderedRefs(collection = this.active.collection) {
-    return sortBy(this.refs[collection], ({node}) => node.sortableInfo.index);
+    return this.refs[collection].sort(sortByIndex);
   }
 }
+
+function sortByIndex(
+  {node: {sortableInfo: {index: index1}}},
+  {node: {sortableInfo: {index: index2}}}
+) {
+  return (index1 - index2);
+}