pakmanaged.js
function repeat(str, num) {
      if (typeof str !== 'string') {
        throw new TypeError('repeat-string expects a string.');
      }
    
      if (num === 1) return str;
      if (num === 2) return str + str;
    
      var max = str.length * num;
      if (cache !== str || typeof cache === 'undefined') {
        cache = str;
        res = '';
      }
    
      while (max > res.length && num > 0) {
        if (num & 1) {
          res += str;
        }
    
        num >>= 1;
        if (!num) break;
        str += str;
      }
    
      return res.substr(0, max);
    }
function repeat(str, num) {
      if (typeof str !== 'string') {
        throw new TypeError('repeat-string expects a string.');
      }
    
      if (num === 1) return str;
      if (num === 2) return str + str;
    
      var max = str.length * num;
      if (cache !== str || typeof cache === 'undefined') {
        cache = str;
        res = '';
      }
    
      while (max > res.length && num > 0) {
        if (num & 1) {
          res += str;
        }
    
        num >>= 1;
        if (!num) break;
        str += str;
      }
    
      return res.substr(0, max);
    }
Repeat the given `string` the specified `number`
of times.

**Example:**

```js
var repeat =  require('repeat-string');
repeat('A', 5);
//=> AAAAA
```

@param {String} `string` The string to repeat
@param {Number} `number` The number of times to repeat the string
@return {String} Repeated string
@api public