12345678910111213141516171819202122232425262728293031323334353637383940
var createPadding = require('./_createPadding'),    stringSize = require('./_stringSize'),    toInteger = require('./toInteger'),    toString = require('./toString');
/** * Pads `string` on the left side if it's shorter than `length`. Padding * characters are truncated if they exceed `length`. * * @static * @memberOf _ * @since 4.0.0 * @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 * * _.padStart('abc', 6); * // => '   abc' * * _.padStart('abc', 6, '_-'); * // => '_-_abc' * * _.padStart('abc', 3); * // => 'abc' */function padStart(string, length, chars) {  string = toString(string);  length = toInteger(length);
  var strLength = length ? stringSize(string) : 0;  return (length && strLength < length)    ? (createPadding(length - strLength, chars) + string)    : string;}
module.exports = padStart;