summaryrefslogtreecommitdiff
path: root/deps/npm/node_modules/lodash.repeat/index.js
diff options
context:
space:
mode:
Diffstat (limited to 'deps/npm/node_modules/lodash.repeat/index.js')
-rw-r--r--deps/npm/node_modules/lodash.repeat/index.js55
1 files changed, 55 insertions, 0 deletions
diff --git a/deps/npm/node_modules/lodash.repeat/index.js b/deps/npm/node_modules/lodash.repeat/index.js
new file mode 100644
index 0000000000..367913f56e
--- /dev/null
+++ b/deps/npm/node_modules/lodash.repeat/index.js
@@ -0,0 +1,55 @@
+/**
+ * lodash 3.0.1 (Custom Build) <https://lodash.com/>
+ * Build: `lodash modern modularize exports="npm" -o ./`
+ * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
+ * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
+ * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ * Available under MIT license <https://lodash.com/license>
+ */
+var baseToString = require('lodash._basetostring');
+
+/* Native method references for those with the same name as other `lodash` methods. */
+var nativeFloor = Math.floor,
+ nativeIsFinite = global.isFinite;
+
+/**
+ * Repeats the given string `n` times.
+ *
+ * @static
+ * @memberOf _
+ * @category String
+ * @param {string} [string=''] The string to repeat.
+ * @param {number} [n=0] The number of times to repeat the string.
+ * @returns {string} Returns the repeated string.
+ * @example
+ *
+ * _.repeat('*', 3);
+ * // => '***'
+ *
+ * _.repeat('abc', 2);
+ * // => 'abcabc'
+ *
+ * _.repeat('abc', 0);
+ * // => ''
+ */
+function repeat(string, n) {
+ var result = '';
+ string = baseToString(string);
+ n = +n;
+ if (n < 1 || !string || !nativeIsFinite(n)) {
+ return result;
+ }
+ // Leverage the exponentiation by squaring algorithm for a faster repeat.
+ // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
+ do {
+ if (n % 2) {
+ result += string;
+ }
+ n = nativeFloor(n / 2);
+ string += string;
+ } while (n);
+
+ return result;
+}
+
+module.exports = repeat;