Save title emoji against document

package.json

@@ -22,19 +22,35 @@
     "precommit": "lint-staged"
   },
   "lint-staged": {
-    "*.js": ["eslint --fix", "git add"]
+    "*.js": [
+      "eslint --fix",
+      "git add"
+    ]
   },
   "jest": {
     "verbose": false,
-    "roots": ["frontend"],
+    "roots": [
+      "frontend"
+    ],
     "moduleNameMapper": {
       "^.*[.](s?css|css)$": "<rootDir>/__mocks__/styleMock.js",
       "^.*[.](gif|ttf|eot|svg)$": "<rootDir>/__test__/fileMock.js"
     },
-    "moduleFileExtensions": ["js", "jsx", "json"],
-    "moduleDirectories": ["node_modules"],
-    "modulePaths": ["frontend"],
-    "setupFiles": ["<rootDir>/setupJest.js", "<rootDir>/__mocks__/window.js"]
+    "moduleFileExtensions": [
+      "js",
+      "jsx",
+      "json"
+    ],
+    "moduleDirectories": [
+      "node_modules"
+    ],
+    "modulePaths": [
+      "frontend"
+    ],
+    "setupFiles": [
+      "<rootDir>/setupJest.js",
+      "<rootDir>/__mocks__/window.js"
+    ]
   },
   "engines": {
     "node": ">= 7.6"
@@ -69,6 +85,7 @@
     "debug": "2.2.0",
     "dotenv": "^4.0.0",
     "emoji-name-map": "1.1.2",
+    "emoji-regex": "^6.5.1",
     "eslint": "^3.19.0",
     "eslint-config-react-app": "^0.6.2",
     "eslint-import-resolver-webpack": "^0.3.1",

server/migrations/20170729215619-emoji.js

@@ -0,0 +1,12 @@
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    queryInterface.addColumn('documents', 'emoji', {
+      type: Sequelize.STRING,
+      allowNull: true,
+    });
+  },
+
+  down: (queryInterface, _Sequelize) => {
+    queryInterface.removeColumn('documents', 'emoji');
+  },
+};

server/models/Document.js

@@ -2,6 +2,7 @@
 import slug from 'slug';
 import _ from 'lodash';
 import randomstring from 'randomstring';
+import emojiRegex from 'emoji-regex';
 
 import isUUID from 'validator/lib/isUUID';
 import { DataTypes, sequelize } from '../sequelize';
@@ -34,6 +35,14 @@ const createUrlId = doc => {
   return (doc.urlId = doc.urlId || randomstring.generate(10));
 };
 
+const extractEmoji = doc => {
+  const regex = emojiRegex();
+  const match = regex.exec(doc.title);
+
+  if (match.length) return match[0];
+  return null;
+};
+
 const beforeSave = async doc => {
   doc.html = convertToMarkdown(doc.text);
   doc.preview = truncateMarkdown(doc.text, 160);
@@ -53,6 +62,7 @@ const beforeSave = async doc => {
   // We'll add the current user as revision hasn't been generated yet
   ids.push(doc.lastModifiedById);
   doc.collaboratorIds = _.uniq(ids);
+  doc.emoji = extractEmoji(doc);
 
   return doc;
 };

server/presenters/document.js

@@ -22,6 +22,7 @@ async function present(ctx: Object, document: Document, options: ?Options) {
     text: document.text,
     html: document.html,
     preview: document.preview,
+    emoji: document.emoji,
     createdAt: document.createdAt,
     createdBy: presentUser(ctx, document.createdBy),
     updatedAt: document.updatedAt,