word.js

/*istanbul ignore start*/'use strict';

exports.__esModule = true;
exports.wordDiff = undefined;
exports. /*istanbul ignore end*/diffWords = diffWords;
/*istanbul ignore start*/exports. /*istanbul ignore end*/diffWordsWithSpace = diffWordsWithSpace;

var /*istanbul ignore start*/_base = require('./base') /*istanbul ignore end*/;

/*istanbul ignore start*/
var _base2 = _interopRequireDefault(_base);

/*istanbul ignore end*/
var /*istanbul ignore start*/_params = require('../util/params') /*istanbul ignore end*/;

/*istanbul ignore start*/
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

/*istanbul ignore end*/

// Based on https://en.wikipedia.org/wiki/Latin_script_in_Unicode
//
// Ranges and exceptions:
// Latin-1 Supplement, 0080–00FF
//  - U+00D7  × Multiplication sign
//  - U+00F7  ÷ Division sign
// Latin Extended-A, 0100–017F
// Latin Extended-B, 0180–024F
// IPA Extensions, 0250–02AF
// Spacing Modifier Letters, 02B0–02FF
//  - U+02C7  ˇ ˇ  Caron
//  - U+02D8  ˘ ˘  Breve
//  - U+02D9  ˙ ˙  Dot Above
//  - U+02DA  ˚ ˚  Ring Above
//  - U+02DB  ˛ ˛  Ogonek
//  - U+02DC  ˜ ˜  Small Tilde
//  - U+02DD  ˝ ˝  Double Acute Accent
// Latin Extended Additional, 1E00–1EFF
var extendedWordChars = /^[A-Za-z\xC0-\u02C6\u02C8-\u02D7\u02DE-\u02FF\u1E00-\u1EFF]+$/;

var reWhitespace = /\S/;

var wordDiff = /*istanbul ignore start*/exports. /*istanbul ignore end*/wordDiff = new /*istanbul ignore start*/_base2['default']() /*istanbul ignore end*/;
wordDiff.equals = function (left, right) {
  return left === right || this.options.ignoreWhitespace && !reWhitespace.test(left) && !reWhitespace.test(right);
};
wordDiff.tokenize = function (value) {
  var tokens = value.split(/(\s+|\b)/);

  // Join the boundary splits that we do not consider to be boundaries. This is primarily the extended Latin character set.
  for (var i = 0; i < tokens.length - 1; i++) {
    // If we have an empty string in the next field and we have only word chars before and after, merge
    if (!tokens[i + 1] && tokens[i + 2] && extendedWordChars.test(tokens[i]) && extendedWordChars.test(tokens[i + 2])) {
      tokens[i] += tokens[i + 2];
      tokens.splice(i + 1, 2);
      i--;
    }
  }

  return tokens;
};

function diffWords(oldStr, newStr, callback) {
  var options = /*istanbul ignore start*/(0, _params.generateOptions) /*istanbul ignore end*/(callback, { ignoreWhitespace: true });
  return wordDiff.diff(oldStr, newStr, options);
}
function diffWordsWithSpace(oldStr, newStr, callback) {
  return wordDiff.diff(oldStr, newStr, callback);
}
//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIi4uLy4uL3NyYy9kaWZmL3dvcmQuanMiXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6Ijs7OztnQ0ErQ2dCLFMsR0FBQSxTO3lEQUlBLGtCLEdBQUEsa0I7O0FBbkRoQixJLHlCQUFBLHlCLHdCQUFBOzs7Ozs7QUFDQSxJLHlCQUFBLG1DLHdCQUFBOzs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7O0FBb0JBLElBQU0sb0JBQW9CLCtEQUExQjs7QUFFQSxJQUFNLGVBQWUsSUFBckI7O0FBRU8sSUFBTSxXLHlCQUFBLFEsd0JBQUEsV0FBVyxJLHlCQUFBLG1CLHdCQUFqQjtBQUNQLFNBQVMsTUFBVCxHQUFrQixVQUFTLElBQVQsRUFBZSxLQUFmLEVBQXNCO0FBQ3RDLFNBQU8sU0FBUyxLQUFULElBQW1CLEtBQUssT0FBTCxDQUFhLGdCQUFiLElBQWlDLENBQUMsYUFBYSxJQUFiLENBQWtCLElBQWxCLENBQWxDLElBQTZELENBQUMsYUFBYSxJQUFiLENBQWtCLEtBQWxCLENBQXhGO0FBQ0QsQ0FGRDtBQUdBLFNBQVMsUUFBVCxHQUFvQixVQUFTLEtBQVQsRUFBZ0I7QUFDbEMsTUFBSSxTQUFTLE1BQU0sS0FBTixDQUFZLFVBQVosQ0FBYjs7O0FBR0EsT0FBSyxJQUFJLElBQUksQ0FBYixFQUFnQixJQUFJLE9BQU8sTUFBUCxHQUFnQixDQUFwQyxFQUF1QyxHQUF2QyxFQUE0Qzs7QUFFMUMsUUFBSSxDQUFDLE9BQU8sSUFBSSxDQUFYLENBQUQsSUFBa0IsT0FBTyxJQUFJLENBQVgsQ0FBbEIsSUFDSyxrQkFBa0IsSUFBbEIsQ0FBdUIsT0FBTyxDQUFQLENBQXZCLENBREwsSUFFSyxrQkFBa0IsSUFBbEIsQ0FBdUIsT0FBTyxJQUFJLENBQVgsQ0FBdkIsQ0FGVCxFQUVnRDtBQUM5QyxhQUFPLENBQVAsS0FBYSxPQUFPLElBQUksQ0FBWCxDQUFiO0FBQ0EsYUFBTyxNQUFQLENBQWMsSUFBSSxDQUFsQixFQUFxQixDQUFyQjtBQUNBO0FBQ0Q7QUFDRjs7QUFFRCxTQUFPLE1BQVA7QUFDRCxDQWhCRDs7QUFrQk8sU0FBUyxTQUFULENBQW1CLE1BQW5CLEVBQTJCLE1BQTNCLEVBQW1DLFFBQW5DLEVBQTZDO0FBQ2xELE1BQUksVSx5QkFBVSw0Qix3QkFBQSxDQUFnQixRQUFoQixFQUEwQixFQUFDLGtCQUFrQixJQUFuQixFQUExQixDQUFkO0FBQ0EsU0FBTyxTQUFTLElBQVQsQ0FBYyxNQUFkLEVBQXNCLE1BQXRCLEVBQThCLE9BQTlCLENBQVA7QUFDRDtBQUNNLFNBQVMsa0JBQVQsQ0FBNEIsTUFBNUIsRUFBb0MsTUFBcEMsRUFBNEMsUUFBNUMsRUFBc0Q7QUFDM0QsU0FBTyxTQUFTLElBQVQsQ0FBYyxNQUFkLEVBQXNCLE1BQXRCLEVBQThCLFFBQTlCLENBQVA7QUFDRCIsImZpbGUiOiJ3b3JkLmpzIiwic291cmNlc0NvbnRlbnQiOlsiaW1wb3J0IERpZmYgZnJvbSAnLi9iYXNlJztcbmltcG9ydCB7Z2VuZXJhdGVPcHRpb25zfSBmcm9tICcuLi91dGlsL3BhcmFtcyc7XG5cbi8vIEJhc2VkIG9uIGh0dHBzOi8vZW4ud2lraXBlZGlhLm9yZy93aWtpL0xhdGluX3NjcmlwdF9pbl9Vbmljb2RlXG4vL1xuLy8gUmFuZ2VzIGFuZCBleGNlcHRpb25zOlxuLy8gTGF0aW4tMSBTdXBwbGVtZW50LCAwMDgw4oCTMDBGRlxuLy8gIC0gVSswMEQ3ICDDlyBNdWx0aXBsaWNhdGlvbiBzaWduXG4vLyAgLSBVKzAwRjcgIMO3IERpdmlzaW9uIHNpZ25cbi8vIExhdGluIEV4dGVuZGVkLUEsIDAxMDDigJMwMTdGXG4vLyBMYXRpbiBFeHRlbmRlZC1CLCAwMTgw4oCTMDI0RlxuLy8gSVBBIEV4dGVuc2lvbnMsIDAyNTDigJMwMkFGXG4vLyBTcGFjaW5nIE1vZGlmaWVyIExldHRlcnMsIDAyQjDigJMwMkZGXG4vLyAgLSBVKzAyQzcgIMuHICYjNzExOyAgQ2Fyb25cbi8vICAtIFUrMDJEOCAgy5ggJiM3Mjg7ICBCcmV2ZVxuLy8gIC0gVSswMkQ5ICDLmSAmIzcyOTsgIERvdCBBYm92ZVxuLy8gIC0gVSswMkRBICDLmiAmIzczMDsgIFJpbmcgQWJvdmVcbi8vICAtIFUrMDJEQiAgy5sgJiM3MzE7ICBPZ29uZWtcbi8vICAtIFUrMDJEQyAgy5wgJiM3MzI7ICBTbWFsbCBUaWxkZVxuLy8gIC0gVSswMkREICDLnSAmIzczMzsgIERvdWJsZSBBY3V0ZSBBY2NlbnRcbi8vIExhdGluIEV4dGVuZGVkIEFkZGl0aW9uYWwsIDFFMDDigJMxRUZGXG5jb25zdCBleHRlbmRlZFdvcmRDaGFycyA9IC9eW2EtekEtWlxcdXtDMH0tXFx1e0ZGfVxcdXtEOH0tXFx1e0Y2fVxcdXtGOH0tXFx1ezJDNn1cXHV7MkM4fS1cXHV7MkQ3fVxcdXsyREV9LVxcdXsyRkZ9XFx1ezFFMDB9LVxcdXsxRUZGfV0rJC91O1xuXG5jb25zdCByZVdoaXRlc3BhY2UgPSAvXFxTLztcblxuZXhwb3J0IGNvbnN0IHdvcmREaWZmID0gbmV3IERpZmYoKTtcbndvcmREaWZmLmVxdWFscyA9IGZ1bmN0aW9uKGxlZnQsIHJpZ2h0KSB7XG4gIHJldHVybiBsZWZ0ID09PSByaWdodCB8fCAodGhpcy5vcHRpb25zLmlnbm9yZVdoaXRlc3BhY2UgJiYgIXJlV2hpdGVzcGFjZS50ZXN0KGxlZnQpICYmICFyZVdoaXRlc3BhY2UudGVzdChyaWdodCkpO1xufTtcbndvcmREaWZmLnRva2VuaXplID0gZnVuY3Rpb24odmFsdWUpIHtcbiAgbGV0IHRva2VucyA9IHZhbHVlLnNwbGl0KC8oXFxzK3xcXGIpLyk7XG5cbiAgLy8gSm9pbiB0aGUgYm91bmRhcnkgc3BsaXRzIHRoYXQgd2UgZG8gbm90IGNvbnNpZGVyIHRvIGJlIGJvdW5kYXJpZXMuIFRoaXMgaXMgcHJpbWFyaWx5IHRoZSBleHRlbmRlZCBMYXRpbiBjaGFyYWN0ZXIgc2V0LlxuICBmb3IgKGxldCBpID0gMDsgaSA8IHRva2Vucy5sZW5ndGggLSAxOyBpKyspIHtcbiAgICAvLyBJZiB3ZSBoYXZlIGFuIGVtcHR5IHN0cmluZyBpbiB0aGUgbmV4dCBmaWVsZCBhbmQgd2UgaGF2ZSBvbmx5IHdvcmQgY2hhcnMgYmVmb3JlIGFuZCBhZnRlciwgbWVyZ2VcbiAgICBpZiAoIXRva2Vuc1tpICsgMV0gJiYgdG9rZW5zW2kgKyAyXVxuICAgICAgICAgICYmIGV4dGVuZGVkV29yZENoYXJzLnRlc3QodG9rZW5zW2ldKVxuICAgICAgICAgICYmIGV4dGVuZGVkV29yZENoYXJzLnRlc3QodG9rZW5zW2kgKyAyXSkpIHtcbiAgICAgIHRva2Vuc1tpXSArPSB0b2tlbnNbaSArIDJdO1xuICAgICAgdG9rZW5zLnNwbGljZShpICsgMSwgMik7XG4gICAgICBpLS07XG4gICAgfVxuICB9XG5cbiAgcmV0dXJuIHRva2Vucztcbn07XG5cbmV4cG9ydCBmdW5jdGlvbiBkaWZmV29yZHMob2xkU3RyLCBuZXdTdHIsIGNhbGxiYWNrKSB7XG4gIGxldCBvcHRpb25zID0gZ2VuZXJhdGVPcHRpb25zKGNhbGxiYWNrLCB7aWdub3JlV2hpdGVzcGFjZTogdHJ1ZX0pO1xuICByZXR1cm4gd29yZERpZmYuZGlmZihvbGRTdHIsIG5ld1N0ciwgb3B0aW9ucyk7XG59XG5leHBvcnQgZnVuY3Rpb24gZGlmZldvcmRzV2l0aFNwYWNlKG9sZFN0ciwgbmV3U3RyLCBjYWxsYmFjaykge1xuICByZXR1cm4gd29yZERpZmYuZGlmZihvbGRTdHIsIG5ld1N0ciwgY2FsbGJhY2spO1xufVxuIl19