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+/*!
+ * repeat-string <https://github.com/jonschlinkert/repeat-string>
+ *
+ * Copyright (c) 2014-2015, Jon Schlinkert.
+ * Licensed under the MIT License.
+ */
+
+'use strict';
+
+/**
+ * Results cache
+ */
+
+var res = '';
+var cache;
+
+/**
+ * Expose `repeat`
+ */
+
+module.exports = repeat;
+
+/**
+ * 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
+ */
+
+function repeat(str, num) {
+ if (typeof str !== 'string') {
+ throw new TypeError('expected a string');
+ }
+
+ // cover common, quick use cases
+ 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 = '';
+ } else if (res.length >= max) {
+ return res.substr(0, max);
+ }
+
+ while (max > res.length && num > 1) {
+ if (num & 1) {
+ res += str;
+ }
+
+ num >>= 1;
+ str += str;
+ }
+
+ res += str;
+ res = res.substr(0, max);
+ return res;
+}