1 var createPadding = require('./_createPadding'),
2 stringSize = require('./_stringSize'),
3 toInteger = require('./toInteger'),
4 toString = require('./toString');
6 /* Built-in method references for those with the same name as other `lodash` methods. */
7 var nativeCeil = Math.ceil,
8 nativeFloor = Math.floor;
11 * Pads `string` on the left and right sides if it's shorter than `length`.
12 * Padding characters are truncated if they can't be evenly divided by `length`.
18 * @param {string} [string=''] The string to pad.
19 * @param {number} [length=0] The padding length.
20 * @param {string} [chars=' '] The string used as padding.
21 * @returns {string} Returns the padded string.
27 * _.pad('abc', 8, '_-');
33 function pad(string, length, chars) {
34 string = toString(string);
35 length = toInteger(length);
37 var strLength = length ? stringSize(string) : 0;
38 if (!length || strLength >= length) {
41 var mid = (length - strLength) / 2;
43 createPadding(nativeFloor(mid), chars) +
45 createPadding(nativeCeil(mid), chars)