Clean up common_utils.js

What does this MR do?

• Remove unused functions from common_utils.js.
• Move functions which are used from only one file to that file.

Why was this MR needed?

Because some utils weren't that common (anymore).

app/assets/javascripts/lib/utils/common_utils.js

@@ -4,26 +4,6 @@
     var base;
     w.gl || (w.gl = {});
     (base = w.gl).utils || (base.utils = {});
-    w.gl.utils.isInGroupsPage = function() {
-      return gl.utils.getPagePath() === 'groups';
-    };
-    w.gl.utils.isInProjectPage = function() {
-      return gl.utils.getPagePath() === 'projects';
-    };
-    w.gl.utils.getProjectSlug = function() {
-      if (this.isInProjectPage()) {
-        return $('body').data('project');
-      } else {
-        return null;
-      }
-    };
-    w.gl.utils.getGroupSlug = function() {
-      if (this.isInGroupsPage()) {
-        return $('body').data('group');
-      } else {
-        return null;
-      }
-    };
     w.gl.utils.ajaxGet = function(url) {
       return $.ajax({
@@ -33,97 +13,24 @@
       });
     };
-    w.gl.utils.split = function(val) {
-      return val.split(/,\s*/);
-    };
-
-    w.gl.utils.extractLast = function(term) {
-      return this.split(term).pop();
-    };
-
-    w.gl.utils.rstrip = function rstrip(val) {
-      if (val) {
-        return val.replace(/\s+$/, '');
-      } else {
-        return val;
-      }
-    };
-
     w.gl.utils.disableButtonIfEmptyField = function(field_selector, button_selector, event_name) {
       event_name = event_name || 'input';
-      var closest_submit, field, that;
-      that = this;
-      field = $(field_selector);
-      closest_submit = field.closest('form').find(button_selector);
-      if (this.rstrip(field.val()) === "") {
+      var field = $(field_selector);
+      var closest_submit = field.closest('form').find(button_selector);
+      if ($.trim(field.val()) === "") {
         closest_submit.disable();
       }
-      return field.on(event_name, function() {
-        if (that.rstrip($(this).val()) === "") {
-          return closest_submit.disable();
+      field.on(event_name, function() {
+        if ($.trim($(this).val()) === "") {
+          closest_submit.disable();
         } else {
-          return closest_submit.enable();
+          closest_submit.enable();
         }
       });
     };
-    w.gl.utils.disableButtonIfAnyEmptyField = function(form, form_selector, button_selector) {
-      var closest_submit, updateButtons;
-      closest_submit = form.find(button_selector);
-      updateButtons = function() {
-        var filled;
-        filled = true;
-        form.find('input').filter(form_selector).each(function() {
-          return filled = this.rstrip($(this).val()) !== "" || !$(this).attr('required');
-        });
-        if (filled) {
-          return closest_submit.enable();
-        } else {
-          return closest_submit.disable();
-        }
-      };
-      updateButtons();
-      return form.keyup(updateButtons);
-    };
-
-    w.gl.utils.sanitize = function(str) {
-      return str.replace(/<(?:.|\n)*?>/gm, '');
-    };
-
-    w.gl.utils.unbindEvents = function() {
-      return $(document).off('scroll');
-    };
-
-    w.gl.utils.shiftWindow = function() {
-      return w.scrollBy(0, -100);
-    };
-
-
-    gl.utils.updateTooltipTitle = function($tooltipEl, newTitle) {
-      return $tooltipEl.tooltip('destroy').attr('title', newTitle).tooltip('fixTitle');
-    };
-    gl.utils.preventDisabledButtons = function() {
-      return $('.btn').click(function(e) {
-        if ($(this).hasClass('disabled')) {
-          e.preventDefault();
-          e.stopImmediatePropagation();
-          return false;
-        }
-      });
-    };
     gl.utils.getPagePath = function() {
-      return $('body').data('page').split(':')[0];
-    };
-    gl.utils.parseUrl = function (url) {
-      var parser = document.createElement('a');
-      parser.href = url;
-      return parser;
-    };
-    gl.utils.cleanupBeforeFetch = function() {
-      // Unbind scroll events
-      $(document).off('scroll');
-      // Close any open tooltips
-      $('.has-tooltip, [data-toggle="tooltip"]').tooltip('destroy');
+      return document.body.dataset.page.split(':')[0];
     };
   })(window);