Add docs-search service

Author: dfreeman

addon/components/docs-viewer/x-nav/component.js

@@ -7,6 +7,7 @@ export default Component.extend({
   layout,
 
   store: service(),
+  docsSearch: service(),
 
   tagName: 'nav',
 
@@ -16,6 +17,11 @@ export default Component.extend({
     return this.get('store').peekAll('project-version').get('firstObject');
   }),
 
+  init() {
+    this._super();
+    this.get('docsSearch').loadSearchIndex();
+  }
+
   // didInsertElement() {
   //   this._super(...arguments);
   //

addon/services/docs-search.js

@@ -0,0 +1,40 @@
+import Service from '@ember/service';
+import { getOwner } from '@ember/application';
+import { computed } from '@ember/object';
+import $ from 'jquery';
+import lunr from 'lunr';
+
+export default Service.extend({
+  search(phrase, { exact = false } = {}) {
+    if (!exact) {
+      phrase = `*${phrase}*`;
+    }
+
+    return this.loadSearchIndex()
+      .then(({ index, documents }) => {
+        return index.search(phrase).map(resultInfo => {
+          let document = documents[resultInfo.ref];
+          return { resultInfo, document };
+        });
+      });
+  },
+
+  loadSearchIndex() {
+    if (!this._searchIndex) {
+      this._searchIndex = $.get(this.get('_indexURL'))
+        .then(json => {
+          return {
+            index: lunr.Index.load(json.index),
+            documents: json.documents
+          };
+        });
+    }
+
+    return this._searchIndex;
+  },
+
+  _indexURL: computed(function() {
+    let config = getOwner(this).resolveRegistration('config:environment');
+    return `${config.rootURL}ember-cli-addon-docs/search-index.json`;
+  })
+});

app/services/docs-search.js

@@ -0,0 +1 @@
+export { default } from 'ember-cli-addon-docs/services/docs-search';

index.js

@@ -64,6 +64,10 @@ module.exports = {
     let importer = findImporter(this);
 
     importer.import(`${this._hasEmberSource() ? 'vendor' : 'bower_components'}/ember/ember-template-compiler.js`);
+    importer.import('vendor/lunr/lunr.js', {
+      using: [{ transformation: 'amd', as: 'lunr' }]
+    });
+
     // importer.import('vendor/highlightjs-styles/default.css');
     // importer.import('vendor/styles/highlightjs-styles/default.css');
     // importer.import('vendor/highlight.js/styles/monokai.css');
@@ -91,6 +95,7 @@ module.exports = {
     return new MergeTrees([
       vendor,
       this._highlightJSTree(),
+      this._lunrTree(),
       this._templateCompilerTree()
     ].filter(Boolean));
   },
@@ -118,6 +123,10 @@ module.exports = {
     return new MergeTrees([ defaultTree, docsTree, searchIndexTree ]);
   },
 
+  _lunrTree() {
+    return new Funnel(path.dirname(require.resolve('lunr/package.json')), { destDir: 'lunr' });
+  },
+
   _highlightJSTree() {
     return new Funnel(path.dirname(require.resolve('highlightjs/package.json')), {
       srcDir: 'styles',