bbo/string_to_path.js

bbo is a utility library of zero dependencies for javascript.

'use strict';

/* eslint-disable max-params */
var charCodeOfDot = '.'.charCodeAt(0);
var reEscapeChar = /\\(\\)?/g;
var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]/g;
function stringToPath(string) {
  var result = [];

  if (string.charCodeAt(0) === charCodeOfDot) {
    result.push('');
  }

  string.replace(rePropName, (match, expression, quote, subString) => {
    var key = match;

    if (quote) {
      key = subString.replace(reEscapeChar, '$1');
    } else if (expression) {
      key = expression.trim();
    }

    result.push(key);
  });
  return result;
}

module.exports = stringToPath;