Function search

notes/docsify/unpkg/docsify/lib/plugins/search.js:75–153

* @param {String} query * @returns {Array}

(query)

 * @returns {Array}
 */
function search(query) {
  var matchingResults = [];
  var data = [];
  Object.keys(INDEXS).forEach(function (key) {
    data = data.concat(Object.keys(INDEXS[key]).map(function (page) { return INDEXS[key][page]; }));
  });

  query = query.trim();
  var keywords = query.split(/[\s\-，\\/]+/);
  if (keywords.length !== 1) {
    keywords = [].concat(query, keywords);
  }

  var loop = function ( i ) {
    var post = data[i];
    var isMatch = false;
    var resultStr = '';
    var postTitle = post.title && post.title.trim();
    var postContent = post.body && post.body.trim();
    var postUrl = post.slug || '';

    if (postTitle && postContent) {
      keywords.forEach(function (keyword) {
        // From https://github.com/sindresorhus/escape-string-regexp
        var regEx = new RegExp(
          keyword.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&'),
          'gi'
        );
        var indexTitle = -1;
        var indexContent = -1;

        indexTitle = postTitle && postTitle.search(regEx);
        indexContent = postContent && postContent.search(regEx);

        if (indexTitle < 0 && indexContent < 0) {
          isMatch = false;
        } else {
          isMatch = true;
          if (indexContent < 0) {
            indexContent = 0;
          }

          var start = 0;
          var end = 0;

          start = indexContent < 11 ? 0 : indexContent - 10;
          end = start === 0 ? 70 : indexContent + keyword.length + 60;

          if (end > postContent.length) {
            end = postContent.length;
          }

          var matchContent =
            '...' +
            escapeHtml(postContent)
              .substring(start, end)
              .replace(regEx, ("<em class=\"search-keyword\">" + keyword + "</em>")) +
            '...';