Remove unused JavaScript

app/assets/javascripts/application.js

@@ -1,10 +1,5 @@
 //= require jquery
 //= require jquery_ujs
-//= require linkify
-//= require jquery.easing
-//= require jquery.blockUI
-//= require jquery.elastic
 //= require jquery.superlabels.min
 //= require showdown
-//= require script
 //= require main

app/assets/javascripts/main.js

@@ -1,27 +1,56 @@
 $(document).ready(function() {
-  $('textarea').elastic();
   $('form.new_job_post_request, form.new_job, form.edit_job, #sign_in form').superLabels({
     labelLeft: 10,
     labelTop: 10
   });
+});
+
+
+document.addEventListener('DOMContentLoaded', function() {
+  // Job title preview
+  document.querySelectorAll('input.job_title, input.job_company').forEach(function(elm) {
+      elm.addEventListener('keyup', function(event) {
+      var name = document.querySelector('input.job_title').value + " at " + document.querySelector('input.job_company').value;
+      document.querySelector('#single-job.job.readable h1').textContent = name;
+    });
+  });
 
-  $('textarea#job_description, textarea#job_post_request_description').keyup(function(event) {
-    var text = $(this).val();
-    var converter = new Showdown.converter();
-    var html = converter.makeHtml(text);
-    $('#markdown-target').html(html);
+  // Markdown preview
+  document.querySelectorAll('textarea#job_description, textarea#job_post_request_description').forEach(function(elm) {
+    elm.addEventListener('keyup', function(event) {
+      var text = event.target.value;
+      var converter = new Showdown.converter();
+      var html = converter.makeHtml(text);
+      document.querySelector('#markdown-target').innerHTML = html;
+    });
   });
 
-  $('input.job_title, input.job_company').keyup(function(event) {
-    var name = $('input.job_title').val() + " at " + $('input.job_company').val();
-    $('#single-job.job.readable h1').text(name);
+  // Tab logic
+  document.querySelectorAll('.tab-container').forEach(function(elm) {
+    if (!elm.classList.contains('active')) {
+      elm.style.display = 'none';
+    }
   });
+  document.querySelectorAll('ul.tab-menu li').forEach(function(tabElm, tabIndex) {
+    tabElm.addEventListener('click', function(event) {
+      event.preventDefault();
+      document.querySelectorAll('ul.tab-menu li').forEach(function(tabElm2) {
+        if (tabElm === tabElm2) {
+          tabElm2.classList.add('active');
+        } else {
+          tabElm2.classList.remove('active');
+        }
+      });
 
-  $('.tab-container').not('.active').hide();
-  $("ul.tab-menu li").click(function (ev) {
-    ev.preventDefault();
-    $('ul.tab-menu li').removeClass('active');
-    $(this).addClass('active');
-    $('.tab-container').hide().eq($(this).index()).show();
+      document.querySelectorAll('.tab-container').forEach(function(containerElm, containerIndex) {
+        if (tabIndex === containerIndex) {
+          containerElm.classList.add('active');
+          containerElm.style.display = 'block';
+        } else {
+          containerElm.classList.remove('active');
+          containerElm.style.display = 'none';
+        }
+      });
+    });
   });
 });

app/assets/stylesheets/application.css

@@ -1,7 +1,5 @@
 /*
  *= require_self
- *= require jquery.qtip
- *= require jquery-ui/jquery-ui
  *= require main
  *= require atoms
  *= require header

app/views/layouts/application.html.haml

@@ -16,6 +16,19 @@
     = stylesheet_link_tag 'application'
     = stylesheet_link_tag "https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"
     = favicon_link_tag "/favicon.png"
+    = javascript_include_tag 'application'
+    <!-- Google Analytics -->
+    :javascript
+      var _gaq = _gaq || [];
+      _gaq.push(['_setAccount', 'UA-3615572-3']);
+      _gaq.push(['_trackPageview']);
+
+      (function() {
+        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
+      })();
+    <!-- END Google Analytics -->
     = yield(:head)
 
   %body{class: "#{request[:controller].split('/').join(' ')} #{request[:action]}"}
@@ -65,17 +78,4 @@
           %p.ff-sm
             Made with ❤️ by the Indy Hackers board
 
-    = javascript_include_tag 'application'
-    <!-- Google Analytics -->
-    :javascript
-      var _gaq = _gaq || [];
-      _gaq.push(['_setAccount', 'UA-3615572-3']);
-      _gaq.push(['_trackPageview']);
-
-      (function() {
-        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
-        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
-        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
-      })();
-    <!-- END Google Analytics -->
     = yield(:footer)