Source: \pad.js
import createPadding from './.internal/createPadding.js'
import stringSize from './.internal/stringSize.js'
/**
* Pads `string` on the left and right sides if it's shorter than `length`.
* Padding characters are truncated if they can't be evenly divided by `length`.
*
* @since 3.0.0
* @category String
* @param {string} [string=''] The string to pad.
* @param {number} [length=0] The padding length.
* @param {string} [chars=' '] The string used as padding.
* @returns {string} Returns the padded string.
* @example
*
* pad('abc', 8)
* // => ' abc '
*
* pad('abc', 8, '_-')
* // => '_-abc_-_'
*
* pad('abc', 3)
* // => 'abc'
*/
function pad(string, length, chars) {
const strLength = length ? stringSize(string) : 0
if (!length || strLength >= length) {
return string
}
const mid = (length - strLength) / 2
return (
createPadding(Math.floor(mid), chars) +
string +
createPadding(Math.ceil(mid), chars)
)
}
export default pad