formatting fixes

.babelrc

@@ -1,7 +1,6 @@
 {
     "presets": [
-      "react",
-      "es2015",
-      "stage-2"
+      "stage-2",
+      "react"
     ]
 }

modules/Preload.js

@@ -65,7 +65,7 @@ class Preload extends React.Component {
         const oldImages = new Set(prevProps.images);
 
         let hasChanged = false;
-        for (let i = 0; i < images.length; i++) {
+        for (let i = 0; i < images.length; i += 1) {
             const image = images[i];
             if (!oldImages.has(image)) {
                 hasChanged = true;

package.json

@@ -6,7 +6,7 @@
   "scripts": {
     "start": "./node_modules/.bin/webpack-dev-server --mode development --content-base examples/",
     "build": "./scripts/build.sh",
-    "test": "./node_modules/.bin/eslint -c .eslintrc modules/*",
+    "lint": "./node_modules/.bin/eslint -c .eslintrc modules/*",
     "prepublish": "npm run build"
   },
   "repository": {
@@ -27,26 +27,24 @@
   },
   "homepage": "https://github.com/sambernard/react-preload",
   "peerDependencies": {
-
-    "react": "^15.0.0",
-    "prop-types": "^15.0.0"
+    "prop-types": "^15.0.0",
+    "react": "^15.0.0"
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",
     "babel-core": "^6.26.3",
     "babel-eslint": "^8.2.6",
     "babel-loader": "^7.1.5",
     "babel-preset-env": "^1.7.0",
-    "babel-preset-es2015": "^6.24.1",
     "babel-preset-react": "^6.24.1",
     "babel-preset-stage-2": "^6.24.1",
     "eslint": "^5.3.0",
     "eslint-config-airbnb": "^17.0.0",
-    "eslint-loader": "^2.1.0",
     "eslint-plugin-import": "^2.13.0",
     "eslint-plugin-jsx-a11y": "^6.1.1",
     "eslint-plugin-react": "^7.10.0",
     "react-dom": "^15.0.0",
+    "react-test-renderer": "^16.4.2",
     "webpack": "^4.16.5",
     "webpack-cli": "^3.1.0",
     "webpack-dev-server": "^3.1.5"