client/general: replace handlebars with underscore

client/html/endless_pager_page.hbs

@@ -1,4 +1,4 @@
 <div class='page'>
-    <p><span>Page {{this.page}} of {{this.totalPages}}</span></p>
+    <p><span>Page <%= page %> of <%= totalPages %></span></p>
     <div class='page-content-holder'></div>
 </div>

client/html/file-dropper.hbs

@@ -1,11 +1,11 @@
 <div class='file-dropper-holder'>
-    <input type='file' name='{{this.name}}' id='{{this.id}}'/>
-    <label class='file-dropper' for='{{this.id}}'>
-        {{#if this.allowMultiple}}
+    <input type='file' id='<%= id %>'/>
+    <label class='file-dropper' for='<%= id %>'>
+        <% if (allowMultiple) { %>
             Drop files here!
-        {{else}}
+        <% } else { %>
             Drop file here!
-        {{/if}}
+        <% } %>
         <br/>
         Or just click on this box.
     </label>

client/html/help-tos.hbs

@@ -1,4 +1,4 @@
-<p>By accessing {{ name }} (&ldquo;Site&rdquo;) you agree to the following
+<p>By accessing <%= name %> (&ldquo;Site&rdquo;) you agree to the following
 Terms of Service. If you do not agree to these terms, then please do not access
 the Site.</p>
 

client/html/home.hbs

@@ -1,5 +1,5 @@
 <div class='content-wrapper transparent' id='home'>
     <div class='messages'></div>
-    <h1>{{name}}</h1>
-    <footer>Version: <span class='version'>{{version}}</span> (built {{reltime buildDate}})</footer>
+    <h1><%= name %></h1>
+    <footer>Version: <span class='version'><%= version %></span> (built <%= makeRelativeTime(buildDate) %>)</footer>
 </div>

client/html/login.hbs

@@ -4,22 +4,22 @@
         <div class='input'>
             <ul>
                 <li>
-                    {{textInput text='User name' id='user-name' name='name' required=true pattern=this.userNamePattern}}
+                    <%= makeTextInput({text: 'User name', id: 'user-name', name: 'name', required: true, pattern: userNamePattern}) %>
                 </li>
                 <li>
-                    {{passwordInput text='Password' id='user-password' name='password' required=true pattern=this.passwordPattern}}
+                    <%= makePasswordInput({text: 'Password', id: 'user-password', name: 'password', required: true, pattern: passwordPattern}) %>
                 </li>
                 <li>
-                    {{checkbox text='Remember me' id='remember-user' name='remember-user'}}
+                    <%= makeCheckbox({text: 'Remember me', id: 'remember-user', name: 'remember-user'}) %>
                 </li>
             </ul>
         </div>
         <div class='messages'></div>
         <div class='buttons'>
             <input type='submit' value='Log in'/>
-            {{#if this.canSendMails}}
+            <% if (canSendMails) { %>
                 <a class='append' href='/password-reset'>Forgot the password?</a>
-            {{/if}}
+            <% } %>
         </div>
     </form>
 </div>

client/html/manual_pager_nav.hbs

@@ -1,36 +1,36 @@
 <nav class='text-nav'>
     <ul>
         <li>
-        {{#if this.prevLinkActive}}
-            <a class='prev' href='{{this.prevLink}}'>
-        {{else}}
-            <a class='prev disabled'>
-        {{/if}}
+            <% if (prevLinkActive) { %>
+                <a class='prev' href='<%= prevLink %>'>
+            <% } else { %>
+                <a class='prev disabled'>
+            <% } %>
                 <i class='fa fa-chevron-left'></i>
                 <span>Previous page</span>
             </a>
         </li>
 
-        {{#each this.pages}}
-            {{#if this.ellipsis}}
+        <% _.each(pages, page => { %>
+            <% if (page.ellipsis) { %>
                 <li>&hellip;</li>
-            {{else}}
-                {{#if this.active}}
+            <% } else { %>
+                <% if (page.active) { %>
                     <li class='active'>
-                {{else}}
+                <% } else { %>
                     <li>
-                {{/if}}
-                    <a href='{{this.link}}'>{{this.number}}</a>
+                <% } %>
+                    <a href='<%= page.link %>'><%= page.number %></a>
                 </li>
-            {{/if}}
-        {{/each}}
+            <% } %>
+        <% }) %>
 
         <li>
-        {{#if this.nextLinkActive}}
-            <a class='next' href='{{this.nextLink}}'>
-        {{else}}
-            <a class='next disabled'>
-        {{/if}}
+            <% if (nextLinkActive) { %>
+                <a class='next' href='<%= nextLink %>'>
+            <% } else { %>
+                <a class='next disabled'>
+            <% } %>
                 <i class='fa fa-chevron-right'></i>
                 <span>Next page</span>
             </a>

client/html/password_reset.hbs

@@ -4,7 +4,7 @@
         <div class='input'>
             <ul>
                 <li>
-                    {{textInput text='User name or e-mail address' id='user-name' name='user-name' required=true}}
+                    <%= makeTextInput({text: 'User name or e-mail address', id: 'user-name', name: 'user-name', required: true}) %>
                 </li>
             </ul>
         </div>

client/html/settings.hbs

@@ -5,11 +5,11 @@
         <div class='input'>
             <ul>
                 <li>
-                    {{checkbox text='Endless scroll' id='endless-scroll' name='endless-scroll' checked=this.browsingSettings.endlessScroll}}
+                    <%= makeCheckbox({text: 'Endless scroll', id: 'endless-scroll', name: 'endless-scroll', checked: browsingSettings.endlessScroll}) %>
                     <p class='hint'>Rather than using a paged navigation, smoothly scroll through the content.</p>
                 </li>
                 <li>
-                    {{checkbox text='Enable keyboard shortcuts' id='keyboard-shortcuts' name='keyboard-shortcuts' checked=this.browsingSettings.keyboardShortcuts}}
+                    <%= makeCheckbox({text: 'Enable keyboard shortcuts', id: 'keyboard-shortcuts', name: 'keyboard-shortcuts', checked: browsingSettings.keyboardShortcuts}) %>
                     <a class='append icon' href='/help/keyboard'><i class='fa fa-question-circle-o'></i></a>
                 </li>
             </ul>

client/html/tag_list_header.hbs

@@ -3,7 +3,7 @@
         <div class='input'>
             <ul>
                 <li>
-                    {{textInput id='search-text' name='search-text' value=this.searchQuery.text}}
+                    <%= makeTextInput({id: 'search-text', name: 'search-text', value: searchQuery.text}) %>
                 </li>
             </ul>
         </div>

client/html/tag_list_page.hbs

@@ -1,5 +1,5 @@
 <div class='tag-list'>
-    {{#if this.results}}
+    <% if (results) { %>
         <table>
             <thead>
                 <th class='names'>Tag name(s)</th>
@@ -8,43 +8,43 @@
                 <th class='usages'>Usages</th>
             </thead>
             <tbody>
-                {{#each this.results}}
+                <% _.each(results, tag => { %>
                     <tr>
                         <td class='names'>
                             <ul>
-                                {{#each this.names}}
-                                    <li><a href='/tag/{{this}}'>{{this}}</a></li>
-                                {{/each}}
+                                <% _.each(tag.names, name => { %>
+                                    <li><a href='/tag/<%= name %>'><%= name %></a></li>
+                                <% }) %>
                             </ul>
                         </td>
                         <td class='implications'>
-                            {{#if this.implications}}
+                            <% if (tag.implications.length) { %>
                                 <ul>
-                                    {{#each this.implications}}
-                                        <li><a href='/tag/{{this}}'>{{this}}</a></li>
-                                    {{/each}}
+                                    <% _.each(tag.implications, name => { %>
+                                        <li><a href='/tag/<%= name %>'><%= name %></a></li>
+                                    <% }) %>
                                 </ul>
-                            {{else}}
+                            <% } else { %>
                                 -
-                            {{/if}}
+                            <% } %>
                         </td>
                         <td class='suggestions'>
-                            {{#if this.suggestions}}
+                            <% if (tag.suggestions.length) { %>
                                 <ul>
-                                    {{#each this.suggestions}}
-                                        <li><a href='/tag/{{this}}'>{{this}}</a></li>
-                                    {{/each}}
+                                    <% _.each(tag.suggestions, name => { %>
+                                        <li><a href='/tag/<%= name %>'><%= name %></a></li>
+                                    <% }) %>
                                 </ul>
-                            {{else}}
+                            <% } else { %>
                                 -
-                            {{/if}}
+                            <% } %>
                         </td>
                         <td class='usages'>
-                            {{this.usages}}
+                            <%= tag.usages %>
                         </td>
                     </tr>
-                {{/each}}
+                <% }) %>
             </tbody>
         </table>
-    {{/if}}
+    <% } %>
 </div>

client/html/top_nav.hbs

@@ -1,14 +1,14 @@
 <nav id='top-nav' class='text-nav'>
     <ul><!--
-        -->{{#each items}}<!--
-            -->{{#if this.available}}<!--
-                --><li data-name='{{@key}}'><!--
-                    --><a href='{{this.url}}' accesskey='{{this.accessKey}}'><!--
-                        -->{{#if this.imageUrl}}{{thumbnail this.imageUrl}}{{/if}}<!--
-                        --><span class='text'>{{this.name}}</span><!--
+        --><% _.each(items, (item, key) => { %><!--
+            --><% if (item.available) { %><!--
+                --><li data-name='<%= key %>'><!--
+                    --><a href='<%= item.url %>' accesskey='<%= item.accessKey %>'><!--
+                        --><% if (item.imageUrl) { print(makeThumbnail(item.imageUrl)); } %><!--
+                        --><span class='text'><%- item.name %></span><!--
                     --></a><!--
                 --></li><!--
-            -->{{/if}}<!--
-        -->{{/each}}<!--
+            --><% } %><!--
+        --><% }) %><!--
     --></ul>
 </nav>

client/html/user.hbs

@@ -1,14 +1,14 @@
 <div class='content-wrapper' id='user'>
-    <h1>{{this.user.name}}</h1>
+    <h1><%= user.name %></h1>
     <nav class='text-nav'><!--
         --><ul><!--
-            --><li data-name='summary'><a href='/user/{{this.user.name}}'>Summary</a></li><!--
-            -->{{#if this.canEditAnything}}<!--
-            --><li data-name='edit'><a href='/user/{{this.user.name}}/edit'>Account settings</a></li><!--
-            -->{{/if}}<!--
-            -->{{#if this.canDelete}}<!--
-            --><li data-name='delete'><a href='/user/{{this.user.name}}/delete'>Account deletion</a></li><!--
-            -->{{/if}}<!--
+            --><li data-name='summary'><a href='/user/<%= user.name %>'>Summary</a></li><!--
+            --><% if (canEditAnything) { %><!--
+                --><li data-name='edit'><a href='/user/<%= user.name %>/edit'>Account settings</a></li><!--
+            --><% } %><!--
+            --><% if (canDelete) { %><!--
+                --><li data-name='delete'><a href='/user/<%= user.name %>/delete'>Account deletion</a></li><!--
+            --><% } %><!--
         --></ul><!--
     --></nav>
     <div id='user-content-holder'></div>

client/html/user_deletion.hbs

@@ -3,7 +3,7 @@
         <div class='input'>
             <ul>
                 <li>
-                    {{checkbox id='confirm-deletion' name='confirm-deletion' required=true text='I confirm that I want to delete this account.'}}
+                    <%= makeCheckbox({id: 'confirm-deletion', name: 'confirm-deletion', required: true, text: 'I confirm that I want to delete this account.'}) %>
                 </li>
             </ul>
         </div>

client/html/user_edit.hbs

@@ -3,29 +3,29 @@
         <div class='left'>
             <div class='input'>
                 <ul>
-                    {{#if this.canEditName}}
+                    <% if (canEditName) { %>
                         <li>
-                            {{textInput text='User name' id='user-name' name='name' value=this.user.name pattern=this.userNamePattern}}
+                            <%= makeTextInput({text: 'User name', id: 'user-name', name: 'name', value: user.name, pattern: userNamePattern}) %>
                         </li>
-                    {{/if}}
+                    <% } %>
 
-                    {{#if this.canEditPassword}}
+                    <% if (canEditPassword) { %>
                         <li>
-                            {{passwordInput text='Password' id='user-password' name='password' placeholder='leave blank if not changing' pattern=this.passwordPattern}}
+                            <%= makePasswordInput({text: 'Password', id: 'user-password', name: 'password', placeholder: 'leave blank if not changing', pattern: passwordPattern}) %>
                         </li>
-                    {{/if}}
+                    <% } %>
 
-                    {{#if this.canEditEmail}}
+                    <% if (canEditEmail) { %>
                         <li>
-                            {{emailInput text='Email' id='user-email' name='email' value=this.user.email}}
+                            <%= makeEmailInput({text: 'Email', id: 'user-email', name: 'email', value: user.email}) %>
                         </li>
-                    {{/if}}
+                    <% } %>
 
-                    {{#if this.canEditRank}}
+                    <% if (canEditRank) { %>
                         <li>
-                            {{select text='Rank' id='user-rank' name='rank' keyValues=this.ranks selectedKey=this.user.rank}}
+                            <%= makeSelect({text: 'Rank', id: 'user-rank', name: 'rank', keyValues: ranks, selectedKey: user.rank}) %>
                         </li>
-                    {{/if}}
+                    <% } %>
                 </ul>
             </div>
             <div class='messages'></div>
@@ -34,18 +34,18 @@
             </div>
         </div>
 
-        {{#if this.canEditAvatar}}
+        <% if (canEditAvatar) { %>
             <div class='right'>
                 <ul>
                     <li>
-                        {{radio text='Gravatar' id='gravatar-radio' name='avatar-style' value='gravatar' selectedValue=this.user.avatarStyle}}
+                        <%= makeRadio({text: 'Gravatar', id: 'gravatar-radio', name: 'avatar-style', value: 'gravatar', selectedValue: user.avatarStyle}) %>
                     </li>
                     <li>
-                        {{radio text='Manual avatar' id='avatar-radio' name='avatar-style' value='manual' selectedValue=this.user.avatarStyle}}
+                        <%= makeRadio({text: 'Manual avatar', id: 'avatar-radio', name: 'avatar-style', value: 'manual', selectedValue: user.avatarStyle}) %>
                         <div id='avatar-content'></div>
                     </li>
                 </ul>
             </div>
-        {{/if}}
+        <% } %>
     </form>
 </div>

client/html/user_list_header.hbs

@@ -3,7 +3,7 @@
         <div class='input'>
             <ul>
                 <li>
-                    {{textInput id='search-text' name='search-text' value=this.searchQuery.text}}
+                    <%= makeTextInput({id: 'search-text', name: 'search-text', value: searchQuery.text}) %>
                 </li>
             </ul>
         </div>

client/html/user_list_page.hbs

@@ -1,17 +1,17 @@
 <div class='user-list'>
     <ul><!--
-        -->{{#each this.results}}<!--
+        --><% _.each(results, user => { %><!--
             --><li>
                 <div class='wrapper'>
-                    <a class='image' href='/user/{{this.name}}'>{{thumbnail this.avatarUrl}}</a>
+                    <a class='image' href='/user/<%= user.name %>'><%= makeThumbnail(user.avatarUrl) %></a>
                     <div class='details'>
-                        <a href='/user/{{this.name}}'>{{this.name}}</a><br/>
-                        Registered: {{reltime this.creationTime}}<br/>
-                        Last seen: {{reltime this.lastLoginTime}}
+                        <a href='/user/<%= user.name %>'><%= user.name %></a><br/>
+                        Registered: <%= makeRelativeTime(user.creationTime) %><br/>
+                        Last seen: <%= makeRelativeTime(user.lastLoginTime) %>
                     </div>
                 </div>
             </li><!--
-        -->{{/each}}<!--
-        -->{{alignFlexbox}}<!--
+        --><% }) %><!--
+        --><%= makeFlexboxAlign() %><!--
     --></ul>
 </div>

client/html/user_registration.hbs

@@ -4,13 +4,13 @@
         <div class='input'>
             <ul>
                 <li>
-                    {{textInput text='User name' id='user-name' name='user-name' placeholder='letters, digits, _, -' required=true pattern=this.userNamePattern}}
+                    <%= makeTextInput({text: 'User name', id: 'user-name', name: 'user-name', placeholder: 'letters, digits, _, -', required: true, pattern: userNamePattern}) %>
                 </li>
                 <li>
-                    {{passwordInput text='Password' id='user-password' name='user-password' placeholder='5+ characters' required=true pattern=this.passwordPattern}}
+                    <%= makePasswordInput({text: 'Password', id: 'user-password', name: 'user-password', placeholder: '5+ characters', required: true, pattern: passwordPattern}) %>
                 </li>
                 <li>
-                    {{emailInput text='Email' id='user-email' name='user-email' placeholder='optional'}}
+                    <%= makeEmailInput({text: 'Email', id: 'user-email', name: 'user-email', placeholder: 'optional'}) %>
                     <p class='hint'>Used for password reminder and to show a <a href='http://gravatar.com/'>Gravatar</a>. Leave blank for random Gravatar.</p>
                 </li>
             </ul>

client/html/user_summary.hbs

@@ -1,22 +1,22 @@
 <div id='user-summary'>
-    {{thumbnail this.user.avatarUrl}}
+    <%= makeThumbnail(user.avatarUrl) %>
     <ul class='basic-info'>
-        <li>Registered: {{reltime this.user.creationTime}}</li>
-        <li>Last seen: {{reltime this.user.lastLoginTime}}</li>
-        <li>Rank: {{toLowerCase this.user.rankName}}</li>
+        <li>Registered: <%= makeRelativeTime(user.creationTime) %></li>
+        <li>Last seen: <%= makeRelativeTime(user.lastLoginTime) %></li>
+        <li>Rank: <%= user.rankName.toLowerCase() %></li>
     </ul>
 
     <div>
         <nav class='plain-nav'>
             <p><strong>Quick links</strong></p>
             <ul>
-                <li><a href='/posts/submit:{{this.user.name}}'>Uploads</a></li>
-                <li><a href='/posts/fav:{{this.user.name}}'>Favorites</a></li>
-                <li><a href='/posts/commented:{{this.user.name}}'>Posts commented on</a></li>
+                <li><a href='/posts/submit:<%= user.name %>'>Uploads</a></li>
+                <li><a href='/posts/fav:<%= user.name %>'>Favorites</a></li>
+                <li><a href='/posts/comment:<%= user.name %>'>Posts commented on</a></li>
             </ul>
         </nav>
 
-        {{#if this.isLoggedIn}}
+        <% if (isLoggedIn) { %>
             <nav class='plain-nav'>
                 <p><strong>Only visible to you</strong></p>
                 <ul>
@@ -24,6 +24,6 @@
                     <li><a href='/posts/special:disliked'>Disliked posts</a></li>
                 </ul>
             </nav>
-        {{/if}}
+        <% } %>
     </div>
 </div>

client/js/util/handlebars-helpers.js

@@ -1,113 +0,0 @@
-'use strict';
-
-const views = require('../util/views.js');
-const handlebars = require('handlebars');
-const misc = require('./misc.js');
-
-function makeLabel(options, attrs) {
-    if (!options.hash.text) {
-        return '';
-    }
-    if (!attrs) {
-        attrs = {};
-    }
-    attrs.for = options.hash.id;
-    return views.makeNonVoidElement('label', attrs, options.hash.text);
-}
-
-handlebars.registerHelper('reltime', function(time) {
-    return new handlebars.SafeString(
-        views.makeNonVoidElement(
-            'time',
-            {datetime: time, title: time},
-            misc.formatRelativeTime(time)));
-});
-
-handlebars.registerHelper('thumbnail', function(url) {
-    return new handlebars.SafeString(
-        views.makeNonVoidElement('span', {
-            class: 'thumbnail',
-            style: 'background-image: url(\'{0}\')'.format(url)
-        }, views.makeVoidElement('img', {alt: 'thumbnail', src: url})));
-});
-
-handlebars.registerHelper('toLowerCase', function(str) {
-    return str.toLowerCase();
-});
-
-handlebars.registerHelper('radio', function(options) {
-    return new handlebars.SafeString('{0}{1}'.format(
-        views.makeVoidElement('input', {
-            id: options.hash.id,
-            name: options.hash.name,
-            value: options.hash.value,
-            type: 'radio',
-            checked: options.hash.selectedValue === options.hash.value,
-            required: options.hash.required,
-        }),
-        makeLabel(options, {class: 'radio'})));
-});
-
-handlebars.registerHelper('checkbox', function(options) {
-    return new handlebars.SafeString('{0}{1}'.format(
-        views.makeVoidElement('input', {
-            id: options.hash.id,
-            name: options.hash.name,
-            value: options.hash.value,
-            type: 'checkbox',
-            checked: options.hash.checked !== undefined ?
-                options.hash.checked : false,
-            required: options.hash.required,
-        }),
-        makeLabel(options, {class: 'checkbox'})));
-});
-
-handlebars.registerHelper('select', function(options) {
-    return new handlebars.SafeString('{0}{1}'.format(
-        makeLabel(options),
-        views.makeNonVoidElement(
-            'select',
-            {id: options.hash.id, name: options.hash.name},
-            Object.keys(options.hash.keyValues).map(key => {
-                return views.makeNonVoidElement(
-                    'option',
-                    {value: key, selected: key === options.hash.selectedKey},
-                    options.hash.keyValues[key]);
-            }).join(''))));
-});
-
-handlebars.registerHelper('input', function(options) {
-    return new handlebars.SafeString('{0}{1}'.format(
-        makeLabel(options),
-        views.makeVoidElement(
-            'input', {
-                type: options.hash.inputType,
-                name: options.hash.name,
-                id: options.hash.id,
-                value: options.hash.value || '',
-                required: options.hash.required,
-                pattern: options.hash.pattern,
-                placeholder: options.hash.placeholder,
-            })));
-});
-
-handlebars.registerHelper('textInput', function(options) {
-    options.hash.inputType = 'text';
-    return handlebars.helpers.input(options);
-});
-
-handlebars.registerHelper('passwordInput', function(options) {
-    options.hash.inputType = 'password';
-    return handlebars.helpers.input(options);
-});
-
-handlebars.registerHelper('emailInput', function(options) {
-    options.hash.inputType = 'email';
-    return handlebars.helpers.input(options);
-});
-
-handlebars.registerHelper('alignFlexbox', function(options) {
-    return new handlebars.SafeString(
-        Array.from(misc.range(20))
-            .map(() => '<li class="flexbox-dummy"></li>').join(''));
-});

client/js/util/views.js

@@ -1,9 +1,114 @@
 'use strict';
 
 require('../util/polyfill.js');
-const handlebars = require('handlebars');
+const underscore = require('underscore');
 const events = require('../events.js');
 const domParser = new DOMParser();
+const misc = require('./misc.js');
+
+function _makeLabel(options, attrs) {
+    if (!options.text) {
+        return '';
+    }
+    if (!attrs) {
+        attrs = {};
+    }
+    attrs.for = options.id;
+    return makeNonVoidElement('label', attrs, options.text);
+}
+
+function makeRelativeTime(time) {
+    return makeNonVoidElement(
+        'time',
+        {datetime: time, title: time},
+        misc.formatRelativeTime(time));
+}
+
+function makeThumbnail(url) {
+    return makeNonVoidElement(
+        'span',
+        {
+            class: 'thumbnail',
+            style: 'background-image: url(\'{0}\')'.format(url)
+        },
+        makeVoidElement('img', {alt: 'thumbnail', src: url}));
+}
+
+function makeRadio(options) {
+    return makeVoidElement(
+            'input',
+            {
+                id: options.id,
+                name: options.name,
+                value: options.value,
+                type: 'radio',
+                checked: options.selectedValue === options.value,
+                required: options.required,
+            }) +
+        _makeLabel(options, {class: 'radio'});
+}
+
+function makeCheckbox(options) {
+    return makeVoidElement(
+            'input',
+            {
+                id: options.id,
+                name: options.name,
+                value: options.value,
+                type: 'checkbox',
+                checked: options.checked !== undefined ?
+                    options.checked : false,
+                required: options.required,
+            }) +
+        _makeLabel(options, {class: 'checkbox'});
+}
+
+function makeSelect(options) {
+    return _makeLabel(options) +
+        makeNonVoidElement(
+            'select',
+            {id: options.id, name: options.name},
+            Object.keys(options.keyValues).map(key => {
+                return makeNonVoidElement(
+                    'option',
+                    {value: key, selected: key === options.selectedKey},
+                    options.keyValues[key]);
+            }).join(''));
+}
+
+function makeInput(options) {
+    return _makeLabel(options)
+        + makeVoidElement(
+            'input', {
+                type: options.inputType,
+                name: options.name,
+                id: options.id,
+                value: options.value || '',
+                required: options.required,
+                pattern: options.pattern,
+                placeholder: options.placeholder,
+            });
+}
+
+function makeTextInput(options) {
+    options.inputType = 'text';
+    return makeInput(options);
+}
+
+function makePasswordInput(options) {
+    options.inputType = 'password';
+    return makeInput(options);
+}
+
+function makeEmailInput(options) {
+    options.inputType = 'email';
+    return makeInput(options);
+}
+
+function makeFlexboxAlign(options) {
+    return Array.from(misc.range(20))
+        .map(() => '<li class="flexbox-dummy"></li>').join('');
+}
 
 function _messageHandler(target, message, className) {
     if (!message) {
@@ -81,9 +186,24 @@ function getTemplate(templatePath) {
         return null;
     }
     const templateText = templates[templatePath].trim();
-    const templateFactory = handlebars.compile(templateText);
-    return (...args) => {
-        return htmlToDom(templateFactory(...args));
+    const templateFactory = underscore.template(templateText);
+    return ctx => {
+        if (!ctx) {
+            ctx = {};
+        }
+        underscore.extend(ctx, {
+            makeRelativeTime: makeRelativeTime,
+            makeThumbnail: makeThumbnail,
+            makeRadio: makeRadio,
+            makeCheckbox: makeCheckbox,
+            makeSelect: makeSelect,
+            makeInput: makeInput,
+            makeTextInput: makeTextInput,
+            makePasswordInput: makePasswordInput,
+            makeEmailInput: makeEmailInput,
+            makeFlexboxAlign: makeFlexboxAlign,
+        });
+        return htmlToDom(templateFactory(ctx));
     };
 }
 

client/js/views/file_dropper_control.js

@@ -10,6 +10,7 @@ class FileDropperControl {
     render(ctx) {
         const target = ctx.target;
         const source = this.template({
+            allowMultiple: ctx.allowMultiple,
             id: 'file-' + Math.random().toString(36).substring(7),
         });
 

client/js/views/login_view.js

@@ -10,7 +10,11 @@ class LoginView {
 
     render(ctx) {
         const target = document.getElementById('content-holder');
-        const source = this.template({canSendMails: config.canSendMails});
+        const source = this.template({
+            userNamePattern: config.userNameRegex,
+            passwordPattern: config.passwordRegex,
+            canSendMails: config.canSendMails,
+        });
 
         const form = source.querySelector('form');
         const userNameField = source.querySelector('#user-name');

client/js/views/top_nav_view.js

@@ -1,6 +1,5 @@
 'use strict';
 
-require('../util/handlebars-helpers.js');
 const views = require('../util/views.js');
 
 class TopNavView {

client/package.json

@@ -14,7 +14,6 @@
     "camelcase-keys": "*",
     "csso": "^1.8.0",
     "glob": "^7.0.3",
-    "handlebars": "^4.0.5",
     "html-minifier": "^1.3.1",
     "js-cookie": "^2.1.0",
     "js-yaml": "^3.5.5",
@@ -24,7 +23,8 @@
     "page": "^1.7.1",
     "stylus": "^0.54.2",
     "superagent": "^1.8.3",
-    "uglify-js": "git://github.com/mishoo/UglifyJS2.git#harmony"
+    "uglify-js": "git://github.com/mishoo/UglifyJS2.git#harmony",
+    "underscore": "^1.8.3"
   },
   "devDependencies": {
     "watch": "latest"