arrow-admin/dist/search.js

Arrow Admin Website

define(['jquery','lunr','jquery-highlight'], function($,lunr){
  $('body').on('contentloaded',function(){
    try {
      var content, searchResults;
      var highlightOpts = { element: 'span', className: 'search-highlight' };
      var index = new lunr.Index();

      index.ref('id');
      index.field('title', { boost: 10 });
      index.field('body');
      index.pipeline.add(lunr.trimmer, lunr.stopWordFilter);

      $('.content h1, .content h2').each(function() {
        var title = $(this);
        var body = title.nextUntil('h1, h2');
        index.add({
          id: title.prop('id'),
          title: title.text(),
          body: body.text()
        });
      });

      content = $('.content');
      searchResults = $('.search-results');

      $('#input-search').on('keyup', function search(event){
          content.unhighlight(highlightOpts);
          searchResults.addClass('visible');

          // ESC clears the field
          if (event.keyCode === 27) { this.value = ''; }

          if (this.value) {
            var results = index.search(this.value).filter(function(r) {
              return r.score > 0.0001;
            });

            if (results.length) {
              searchResults.empty();
              $.each(results, function (index, result) {
                searchResults.append("<li><a href='#" + result.ref + "'>" + $('#'+result.ref).text() + "</a></li>");
              });
              content.highlight(this.value, highlightOpts);
            } else {
              searchResults.html('<li>No Results Found for "' + this.value + '"</li>');
            }
          } else {
            content.unhighlight(highlightOpts);
            searchResults.removeClass('visible');
          }
      });
    }
    catch (E) {
      console.log('error',E);
    }
  });
});