/*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) {
  if (this.options.ignoreCase) {
    left = left.toLowerCase();
    right = right.toLowerCase();
  }
  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, options) {
  options = /*istanbul ignore start*/(0, _params.generateOptions) /*istanbul ignore end*/(options, { ignoreWhitespace: true });
  return wordDiff.diff(oldStr, newStr, options);
}

function diffWordsWithSpace(oldStr, newStr, options) {
  return wordDiff.diff(oldStr, newStr, options);
}
//# sourceMappingURL=data:application/json;charset=utf-8;base64,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