client/build: remove babel when not transpiling

client/.jscsrc

@@ -1,5 +1,5 @@
 {
-    "preset": "google",
-    "fileExtensions": [".js", "jscs"],
-    "validateIndentation": 4,
+    preset: "google",
+    fileExtensions: [".js", "jscs"],
+    validateIndentation: 4,
 }

client/build.js

@@ -117,7 +117,6 @@ function writeJsBundle(b, path, message, compress) {
 }
 
 function bundleJs(config) {
-    const babelify = require('babelify');
     const browserify = require('browserify');
     const external = [
         'lodash',
@@ -126,7 +125,6 @@ function bundleJs(config) {
         'js-cookie',
         'page',
         'nprogress',
-        'babel-polyfill',
     ];
     glob('./js/**/*.js', {}, (er, files) => {
         if (!process.argv.includes('--no-vendor-js')) {
@@ -134,6 +132,9 @@ function bundleJs(config) {
             for (let lib of external) {
                 b.require(lib);
             }
+            if (config.transpile) {
+                b.add(require.resolve('babel-polyfill'));
+            }
             writeJsBundle(
                 b, './public/vendor.min.js', 'Bundled vendor JS', true);
         }
@@ -142,7 +143,7 @@ function bundleJs(config) {
             let outputFile = fs.createWriteStream('./public/app.min.js');
             let b = browserify({debug: config.debug});
             if (config.transpile) {
-                b = b.transform(babelify);
+                b = b.transform('babelify');
             }
             writeJsBundle(
                 b.external(external).add(files),

client/js/controllers/users_controller.js

@@ -14,15 +14,15 @@ const UsersHeaderView = require('../views/users_header_view.js');
 const UsersPageView = require('../views/users_page_view.js');
 const EmptyView = require('../views/empty_view.js');
 
-const rankNames = {
-    anonymous: 'Anonymous',
-    restricted: 'Restricted user',
-    regular: 'Regular user',
-    power: 'Power user',
-    moderator: 'Moderator',
-    administrator: 'Administrator',
-    nobody: 'Nobody',
-};
+const rankNames = new Map([
+    ['anonymous', 'Anonymous'],
+    ['restricted', 'Restricted user'],
+    ['regular', 'Regular user'],
+    ['power', 'Power user'],
+    ['moderator', 'Moderator'],
+    ['administrator', 'Administrator'],
+    ['nobody', 'Nobody'],
+]);
 
 class UsersController {
     constructor() {
@@ -96,7 +96,7 @@ class UsersController {
             next();
         } else {
             api.get('/user/' + ctx.params.name).then(response => {
-                response.user.rankName = rankNames[response.user.rank];
+                response.user.rankName = rankNames.get(response.user.rank);
                 ctx.state.user = response.user;
                 ctx.save();
                 this._cachedUser = response.user;
@@ -228,7 +228,7 @@ class UsersController {
             if (rankIdx > myRankIdx) {
                 continue;
             }
-            ranks[rankIdentifier] = Object.values(rankNames)[rankIdx];
+            ranks[rankIdentifier] = rankNames.values()[rankIdx];
         }
 
         if (isLoggedIn) {

client/js/util/polyfill.js

@@ -1,32 +1,5 @@
 'use strict';
 
-require('babel-polyfill');
-
-const keys = Reflect.ownKeys;
-const reduce = Function.bind.call(Function.call, Array.prototype.reduce);
-const concat = Function.bind.call(Function.call, Array.prototype.concat);
-const isEnumerable = Function.bind.call(
-    Function.call, Object.prototype.propertyIsEnumerable);
-
-if (!Object.values) {
-    Object.values = function values(O) {
-        return reduce(keys(O), (v, k) => concat(
-            v, typeof k === 'string' && isEnumerable(O, k) ?
-                [O[k]] :
-                []), []);
-    };
-}
-
-if (!Object.entries) {
-    Object.entries = function entries(O) {
-        return reduce(
-            keys(O), (e, k) =>
-                concat(e, typeof k === 'string' && isEnumerable(O, k) ?
-                    [[k, O[k]]] :
-                    []), []);
-    };
-}
-
 // fix iterating over NodeList in Chrome and Opera
 NodeList.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator];
 
@@ -39,6 +12,7 @@ Node.prototype.prependChild = function(child) {
     }
 };
 
+// non standard
 Promise.prototype.always = function(onResolveOrReject) {
     return this.then(
         onResolveOrReject,
@@ -48,6 +22,7 @@ Promise.prototype.always = function(onResolveOrReject) {
         });
 };
 
+// non standard
 if (!String.prototype.format) {
     String.prototype.format = function() {
         let str = this.toString();
@@ -66,6 +41,7 @@ if (!String.prototype.format) {
     };
 }
 
+// non standard
 Number.prototype.between = function(a, b, inclusive) {
     const min = Math.min(a, b);
     const max = Math.max(a, b);