_trimmedEndIndex.js (515B)
1 /** Used to match a single whitespace character. */ 2 var reWhitespace = /\s/; 3 4 /** 5 * Used by `_.trim` and `_.trimEnd` to get the index of the last non-whitespace 6 * character of `string`. 7 * 8 * @private 9 * @param {string} string The string to inspect. 10 * @returns {number} Returns the index of the last non-whitespace character. 11 */ 12 function trimmedEndIndex(string) { 13 var index = string.length; 14 15 while (index-- && reWhitespace.test(string.charAt(index))) {} 16 return index; 17 } 18 19 module.exports = trimmedEndIndex;