Change package to be ES module (#9)

Change package to be ES module

Author: tomalec

.travis.yml

@@ -4,6 +4,6 @@ dist: trusty
 before_script:
   - npm install
   - 'export PATH=$PWD/node_modules/.bin:$PATH'
-node_js: 6
+node_js: node
 script:
   - xvfb-run npm run test

jasmine-run.js

@@ -0,0 +1,22 @@
+import glob from 'glob';
+import Jasmine from 'jasmine';
+
+const jasmine = new Jasmine();
+
+const pattern = process.argv[2] || 'test/spec/*.js';
+
+// Load your specs
+glob(pattern, function (er, files) {
+    Promise.all(
+        files
+            // Use relative paths
+            .map(f => f.replace(/^([^\/])/, './$1'))
+            .map(f => import(f)
+                .catch(e => {
+                    console.error('** Error loading ' + f + ': ');
+                    console.error(e);
+                    process.exit(1);
+                }))
+    )
+    .then(() => jasmine.execute());
+});

package.json

@@ -3,9 +3,10 @@
   "version": "2.0.0",
   "description": "JSON Patch Operational Transformations - resolves outdated JSON Patches (RFC6902) in real-time JSON collaboration",
   "main": "src/json-patch-ot.js",
+  "type": "module",
   "typings": "index.d.ts",
   "scripts": {
-    "test": "jasmine test/spec/transformSpec.js"
+    "test": "node --experimental-modules jasmine-run.js test/spec/transformSpec.js"
   },
   "repository": {
     "type": "git",
@@ -25,9 +26,6 @@
     "url": "https://github.com/Palindrom/JSON-Patch-OT/issues"
   },
   "homepage": "https://github.com/Palindrom/JSON-Patch-OT",
-  "engines": {
-    "node": ">= 0.4.0"
-  },
   "devDependencies": {
     "grunt": "^1.0.4",
     "grunt-bump": "^0.8.0",

src/json-patch-ot.js

@@ -149,8 +149,5 @@ var JSONPatchOT = (function(){
     return JSONPatchOT;
 }());
 
-if(typeof module !== 'undefined') {
-  module.exports = JSONPatchOT;
-  module.exports.default = JSONPatchOT;
-  module.exports.__esModule = true;
-}
+export default JSONPatchOT;
+export { JSONPatchOT };

test/SpecRunner.html

@@ -11,12 +11,8 @@
   <script src="../node_modules/jasmine-core/lib/jasmine-core/jasmine-html.js"></script>
   <script src="../node_modules/jasmine-core/lib/jasmine-core/boot.js"></script>
 
-  <!-- include source files here... -->
-  <script src="../src/json-patch-ot.js"></script>
-
   <!-- include spec files here... -->
-  <script src="spec/transformSpec.js"></script>
-
+  <script type="module" src="spec/transformSpec.js"></script>
 
 </head>
 

test/SpecRunnerMin.html

@@ -11,12 +11,8 @@
   <script src="../node_modules/jasmine-core/lib/jasmine-core/jasmine-html.js"></script>
   <script src="../node_modules/jasmine-core/lib/jasmine-core/boot.js"></script>
 
-  <!-- include source files here... -->
-  <script src="../dist/json-patch-ot.min.js"></script>
-
   <!-- include spec files here... -->
-  <script src="spec/transformSpec.js"></script>
-
+  <script type="module" src="spec/transformSpec.js"></script>
 
 </head>
 

test/spec/transformSpec.js

@@ -1,8 +1,7 @@
 var obj;
 
-if(typeof JSONPatchOT === 'undefined') {
-  JSONPatchOT = require('../../src/json-patch-ot');
-}
+import { JSONPatchOT } from '../../src/json-patch-ot.js';
+
 describe("JSONPatchOT when `.transform`s", function(){
 
   describe("given JSON Patch sequence, and", function(){