feature(icon-fingerprinting): Scaffolding for iconAsset fp

addon/components/frost-icon.js

@@ -13,7 +13,6 @@ export default Component.extend({
   // == Dependencies ==========================================================
 
   // == Keyword Properties ====================================================
-
   classNameBindings: ['iconClass'],
   layout,
   tagName: 'svg',
@@ -51,6 +50,12 @@ export default Component.extend({
     return `frost-icon-${pack}-${icon}`
   },
 
+  @readOnly
+  @computed('pack')
+  pathToIconPack (pack) {
+    return this._iconAssets[`assets/icon-packs/${pack}.svg`]
+  },
+
   // == Functions =============================================================
 
   // == DOM Events ============================================================

addon/initializers/icon-assets.js

@@ -0,0 +1,16 @@
+import Ember from 'ember'
+
+export function initialize (application) {
+  application.deferReadiness()
+
+  return Ember.$.get('assets/assetMap.json')
+    .then((assetMap) => {
+      application.register('icon-assets:main', Ember.Object.extend(assetMap.assets))
+      application.inject('component:frost-icon', '_iconAssets', 'icon-assets:main')
+    }).always(() => application.advanceReadiness())
+}
+
+export default {
+  name: 'icon-assets',
+  initialize
+}

addon/templates/components/frost-icon.hbs

@@ -1,2 +1,2 @@
 {{! Template for the frost-icon component }}
-<use xlink:href="assets/icon-packs/{{pack}}.svg#{{icon}}" />
+<use xlink:href="{{pathToIconPack}}#{{icon}}"/>

app/initializers/icon-assets.js

@@ -0,0 +1 @@
+export { default, initialize } from 'ember-frost-core/initializers/icon-assets'

index.js

@@ -2,6 +2,7 @@
 
 // 'use strict'
 
+const AssetRev = require('broccoli-asset-rev')
 const writeFile = require('broccoli-file-creator')
 const Funnel = require('broccoli-funnel')
 const mergeTrees = require('broccoli-merge-trees')
@@ -169,16 +170,22 @@ module.exports = {
 
     return mergeTrees([addonTree, iconNameTree], {overwrite: true})
   },
-  /* eslint-enable complexity */
-
-  treeForPublic: function (tree) {
+  /**
+   * Override of `treeForPublic` is to merge the
+   * existing tree for public files with the set of
+   * svg assets, supplied in the `svg` directory
+   * @param  {[type]} treeForPublic [description]
+   * @return {[type]}               [description]
+   */
+   /* eslint-enable complexity */
+  treeForPublic: function (treeForPublic) {
     const isAddon = this.project.isEmberCLIAddon()
 
     const addonPackages = pickBy(this.project.addonPackages, (addonPackage) => {
       return has(addonPackage.pkg, 'ember-frost-icon-pack')
     })
 
-    const iconPacks = Object.keys(addonPackages).map((addonName) => {
+    let iconPacks = Object.keys(addonPackages).map((addonName) => {
       const addonPackage = addonPackages[addonName]
       const iconPack = addonPackage.pkg['ember-frost-icon-pack']
       const iconPackPath = iconPack.path || 'svgs'
@@ -209,6 +216,13 @@ module.exports = {
       }))
     }
 
-    return mergeTrees(iconPacks, {overwrite: true})
+    const mergedIconPacks = mergeTrees(iconPacks, {overwrite: true})
+
+    const assetRevisedIconPacks = new AssetRev(mergedIconPacks, {
+      enabled: true,
+      extensions: ['svg'],
+      generateAssetMap: true
+    })
+    return mergeTrees([assetRevisedIconPacks, treeForPublic], {overwrite: true})
   }
 }

tests/unit/initializers/icon-assets-test.js

@@ -0,0 +1,26 @@
+import { expect } from 'chai'
+import Ember from 'ember'
+import { describe, it, beforeEach, afterEach } from 'mocha'
+import destroyApp from '../../helpers/destroy-app'
+import { initialize } from 'dummy/initializers/icon-assets'
+
+describe('Unit | Initializer | icon assets', function () {
+  let application
+
+  beforeEach(function () {
+    Ember.run(function () {
+      application = Ember.Application.create()
+      application.deferReadiness()
+    })
+  })
+
+  afterEach(function () {
+    destroyApp(application)
+  })
+
+  // TODO: Add real tests
+  it('works', function () {
+    initialize(application)
+    expect(true).to.equal(true)
+  })
+})