perf: update default export to be ES6

This commit updates a few things to hopefully more ES6 compatible.

Updates include creating a new ES6 compatible export in the dist
directory while also retaining the ES5 versions for the tests.

Changes to be committed:
modified:   scripts/generate.js
modified:   tests/index.test.js

scripts/generate.js

@@ -10,7 +10,8 @@
 const dataFile = '../src/data/icons.json';
 const restrictedDataFile = '../src/data/restrictedIcons.json';
 const logoDataFile = '../src/data/logoIcons.json';
-const indexFile = `${__dirname}/../dist/index.js`;
+const indexFileES5 = `${__dirname}/../dist/index_es5.js`;
+const indexFileES6 = `${__dirname}/../dist/index.js`;
 const iconsDir = `${__dirname}/../src`;
 const iconData = require(dataFile);
 const restrictedIconData = require(restrictedDataFile);
@@ -171,4 +172,5 @@ Generating the Icons People Love.
 `))
 
 // write our generic index.js
-fs.writeFileSync(indexFile, `module.exports=${JSON.stringify(icons)};`);
+fs.writeFileSync(indexFileES5, `module.exports=${JSON.stringify(icons)};`);
+fs.writeFileSync(indexFileES6, `export default ${JSON.stringify(icons)};`);

tests/index.test.js

@@ -1,8 +1,8 @@
 const { icons } = require('../src/data/icons.json');
-const orionIcons = require('../dist/index.js');
+const auroIcons = require('../dist/index_es5.js');
 
 icons.forEach(icon => {
-  const subject = orionIcons[icon.name];
+  const subject = auroIcons[icon.name];
 
   test(`${icon.name} has a "title"`, () => {
     expect(typeof subject.title).toBe('string');