build: Add Babel transpilation build step

.babelrc

@@ -0,0 +1,7 @@
+{
+  "presets": [
+    [
+      "@babel/preset-env"
+    ]
+  ]
+}

.gitignore

@@ -0,0 +1,2 @@
+node_modules
+instantpage.es5.js

README.md

@@ -1,5 +1,9 @@
 # instant.page
 
+## ES5 Fork
+
+This package is identical to the original [instant.page](https://github.com/instantpage/instant.page) package, with the addition of a ES5 transpilation step to support browsers like IE11, etc. See [this issue](https://github.com/instantpage/instant.page/issues/31) for more information.
+
 **Make your site’s pages instant in 1 minute and improve your conversion rate by 1%.**
 
 :information_source: Info is on [the website](https://instant.page).

package.json

@@ -1,17 +1,19 @@
 {
-  "name": "instant.page",
+  "name": "instant.page.es5",
   "version": "2.0.0",
   "description": "Make your site’s pages instant in 1 minute and improve your conversion rate by 1%",
-  "main": "instantpage.js",
+  "main": "instantpage.es5.js",
   "directories": {
     "test": "test"
   },
   "scripts": {
+    "build": "babel instantpage.js --out-file instantpage.es5.js",
+    "prepublishOnly": "yarn build",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/instantpage/instant.page.git"
+    "url": "git+https://github.com/isaachinman/instant.page.git"
   },
   "keywords": [
     "instant",
@@ -20,7 +22,12 @@
   "author": "Alexandre Dieulot",
   "license": "MIT",
   "bugs": {
-    "url": "https://github.com/instantpage/instant.page/issues"
+    "url": "https://github.com/isaachinman/instant.page/issues"
   },
-  "homepage": "https://instant.page/"
+  "homepage": "https://instant.page/",
+  "devDependencies": {
+    "@babel/cli": "^7.6.2",
+    "@babel/core": "^7.6.2",
+    "@babel/preset-env": "^7.6.2"
+  }
 }