Bump to v4.0.1.

lodash.repeat/index.js

@@ -1,10 +1,10 @@
 /**
- * lodash 4.0.0 (Custom Build) <https://lodash.com/>
+ * lodash 4.0.1 (Custom Build) <https://lodash.com/>
  * Build: `lodash modularize exports="npm" -o ./`
- * Copyright 2012-2016 The Dojo Foundation <http://dojofoundation.org/>
+ * Copyright jQuery Foundation and other contributors <https://jquery.org/>
+ * Released under MIT license <https://lodash.com/license>
  * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
- * Copyright 2009-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- * Available under MIT license <https://lodash.com/license>
+ * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
  */
 var toString = require('lodash.tostring');
 
@@ -16,7 +16,8 @@ var INFINITY = 1 / 0,
 
 /** `Object#toString` result references. */
 var funcTag = '[object Function]',
-    genTag = '[object GeneratorFunction]';
+    genTag = '[object GeneratorFunction]',
+    symbolTag = '[object Symbol]';
 
 /** Used to match leading and trailing whitespace. */
 var reTrim = /^\s+|\s+$/g;
@@ -45,14 +46,44 @@ var objectToString = objectProto.toString;
 /* Built-in method references for those with the same name as other `lodash` methods. */
 var nativeFloor = Math.floor;
 
+/**
+ * The base implementation of `_.repeat` which doesn't coerce arguments.
+ *
+ * @private
+ * @param {string} string The string to repeat.
+ * @param {number} n The number of times to repeat the string.
+ * @returns {string} Returns the repeated string.
+ */
+function baseRepeat(string, n) {
+  var result = '';
+  if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
+    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);
+    if (n) {
+      string += string;
+    }
+  } while (n);
+
+  return result;
+}
+
 /**
  * Checks if `value` is classified as a `Function` object.
  *
  * @static
  * @memberOf _
+ * @since 0.1.0
  * @category Lang
  * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
+ * @returns {boolean} Returns `true` if `value` is correctly classified,
+ *  else `false`.
  * @example
  *
  * _.isFunction(_);
@@ -75,6 +106,7 @@ function isFunction(value) {
  *
  * @static
  * @memberOf _
+ * @since 0.1.0
  * @category Lang
  * @param {*} value The value to check.
  * @returns {boolean} Returns `true` if `value` is an object, else `false`.
@@ -98,12 +130,65 @@ function isObject(value) {
 }
 
 /**
- * Converts `value` to an integer.
- *
- * **Note:** This function is loosely based on [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger).
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
  *
  * @static
  * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+ * @example
+ *
+ * _.isObjectLike({});
+ * // => true
+ *
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isObjectLike(_.noop);
+ * // => false
+ *
+ * _.isObjectLike(null);
+ * // => false
+ */
+function isObjectLike(value) {
+  return !!value && typeof value == 'object';
+}
+
+/**
+ * Checks if `value` is classified as a `Symbol` primitive or object.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is correctly classified,
+ *  else `false`.
+ * @example
+ *
+ * _.isSymbol(Symbol.iterator);
+ * // => true
+ *
+ * _.isSymbol('abc');
+ * // => false
+ */
+function isSymbol(value) {
+  return typeof value == 'symbol' ||
+    (isObjectLike(value) && objectToString.call(value) == symbolTag);
+}
+
+/**
+ * Converts `value` to an integer.
+ *
+ * **Note:** This function is loosely based on
+ * [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger).
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
  * @category Lang
  * @param {*} value The value to convert.
  * @returns {number} Returns the converted integer.
@@ -139,6 +224,7 @@ function toInteger(value) {
  *
  * @static
  * @memberOf _
+ * @since 4.0.0
  * @category Lang
  * @param {*} value The value to process.
  * @returns {number} Returns the number.
@@ -157,6 +243,12 @@ function toInteger(value) {
  * // => 3
  */
 function toNumber(value) {
+  if (typeof value == 'number') {
+    return value;
+  }
+  if (isSymbol(value)) {
+    return NAN;
+  }
   if (isObject(value)) {
     var other = isFunction(value.valueOf) ? value.valueOf() : value;
     value = isObject(other) ? (other + '') : other;
@@ -176,6 +268,7 @@ function toNumber(value) {
  *
  * @static
  * @memberOf _
+ * @since 3.0.0
  * @category String
  * @param {string} [string=''] The string to repeat.
  * @param {number} [n=0] The number of times to repeat the string.
@@ -192,24 +285,7 @@ function toNumber(value) {
  * // => ''
  */
 function repeat(string, n) {
-  string = toString(string);
-  n = toInteger(n);
-
-  var result = '';
-  if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
-    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;
+  return baseRepeat(toString(string), toInteger(n));
 }
 
 module.exports = repeat;