gitlab-org--gitlab-foss/app/assets/javascripts/compare_autocomplete.js

/* eslint-disable func-names, space-before-function-paren, one-var, no-var, one-var-declaration-per-line, object-shorthand, comma-dangle, prefer-arrow-callback, no-else-return, newline-per-chained-call, wrap-iife, max-len */

window.CompareAutocomplete = (function() {
  function CompareAutocomplete() {
    this.initDropdown();
  }

  CompareAutocomplete.prototype.initDropdown = function() {
    return $('.js-compare-dropdown').each(function() {
      var $dropdown, selected;
      $dropdown = $(this);
      selected = $dropdown.data('selected');
      const $dropdownContainer = $dropdown.closest('.dropdown');
      const $fieldInput = $(`input[name="${$dropdown.data('field-name')}"]`, $dropdownContainer);
      const $filterInput = $('input[type="search"]', $dropdownContainer);
      $dropdown.glDropdown({
        data: function(term, callback) {
          return $.ajax({
            url: $dropdown.data('refs-url'),
            data: {
              ref: $dropdown.data('ref'),
              search: term,
            }
          }).done(function(refs) {
            return callback(refs);
          });
        },
        selectable: true,
        filterable: true,
        filterRemote: true,
        fieldName: $dropdown.data('field-name'),
        filterInput: 'input[type="search"]',
        renderRow: function(ref) {
          var link;
          if (ref.header != null) {
            return $('<li />').addClass('dropdown-header').text(ref.header);
          } else {
            link = $('<a />').attr('href', '#').addClass(ref === selected ? 'is-active' : '').text(ref).attr('data-ref', escape(ref));
            return $('<li />').append(link);
          }
        },
        id: function(obj, $el) {
          return $el.attr('data-ref');
        },
        toggleLabel: function(obj, $el) {
          return $el.text().trim();
        }
      });
      $filterInput.on('keyup', (e) => {
        const keyCode = e.keyCode || e.which;
        if (keyCode !== 13) return;
        const text = $filterInput.val();
        $fieldInput.val(text);
        $('.dropdown-toggle-text', $dropdown).text(text);
        $dropdownContainer.removeClass('open');
      });

      $dropdownContainer.on('click', '.dropdown-content a', (e) => {
        $dropdown.prop('title', e.target.text.replace(/_+?/g, '-'));
        if ($dropdown.hasClass('has-tooltip')) {
          $dropdown.tooltip('fixTitle');
        }
      });
    });
  };

  return CompareAutocomplete;
})();