autosuggest-highlight-with-opts/parse/index.js

Utilities for highlighting text in autosuggest and autocomplete components. Fork from khuma/autosuggest-highlight and moroshko/autosuggest-highlight

module.exports = function parse(text, matches) {
  var result = [];

  if (matches.length === 0) {
    result.push({
      text: text,
      highlight: false
    });
  } else {
    if (matches[0][0] > 0) {
      result.push({
        text: text.slice(0, matches[0][0]),
        highlight: false
      });
    }
  }

  matches.forEach(function(match, i) {
    var startIndex = match[0];
    var endIndex = match[1];

    result.push({
      text: text.slice(startIndex, endIndex),
      highlight: true
    });

    if (i === matches.length - 1) {
      if (endIndex < text.length) {
        result.push({
          text: text.slice(endIndex, text.length),
          highlight: false
        });
      }
    } else if (endIndex < matches[i + 1][0]) {
      result.push({
        text: text.slice(endIndex, matches[i + 1][0]),
        highlight: false
      });
    }
  });

  return result;
};