'use strict'; | |
var isFinite = require('is-finite'); | |
module.exports = function (str, n) { | |
if (typeof str !== 'string') { | |
throw new TypeError('Expected `input` to be a string'); | |
} | |
if (n < 0 || !isFinite(n)) { | |
throw new TypeError('Expected `count` to be a positive finite number'); | |
} | |
var ret = ''; | |
do { | |
if (n & 1) { | |
ret += str; | |
} | |
str += str; | |
} while ((n >>= 1)); | |
return ret; | |
}; |