Function search

src/plugins/search/search.js:150–240

(query)

 * @returns {Array} Array of results
 */
export function search(query) {
  const matchingResults = [];
  let data = [];
  Object.keys(INDEXS).forEach(key => {
    data = data.concat(Object.keys(INDEXS[key]).map(page => INDEXS[key][page]));
  });

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

  for (let i = 0; i < data.length; i++) {
    const post = data[i];
    let matchesScore = 0;
    let resultStr = '';
    let handlePostTitle = '';
    let handlePostContent = '';
    const postTitle = post.title && post.title.trim();
    const postContent = post.body && post.body.trim();
    const postUrl = post.slug || '';

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

        indexTitle = postTitle ? handlePostTitle.search(regEx) : -1;
        indexContent = postContent ? handlePostContent.search(regEx) : -1;

        if (indexTitle >= 0 || indexContent >= 0) {
          matchesScore += indexTitle >= 0 ? 3 : indexContent >= 0 ? 2 : 0;
          if (indexContent < 0) {
            indexContent = 0;
          }

          let start = 0;
          let end = 0;

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

          if (postContent && end > postContent.length) {