Bump to v3.4.0.

math/add.js

@@ -0,0 +1,19 @@
+/**
+ * Adds two numbers.
+ *
+ * @static
+ * @memberOf _
+ * @category Math
+ * @param {number} augend The first number to add.
+ * @param {number} addend The second number to add.
+ * @returns {number} Returns the sum.
+ * @example
+ *
+ * _.add(6, 4);
+ * // => 10
+ */
+function add(augend, addend) {
+  return augend + addend;
+}
+
+export default add;

math/max.js

@@ -0,0 +1,53 @@
+import arrayMax from '../internal/arrayMax';
+import createExtremum from '../internal/createExtremum';
+
+/**
+ * Gets the maximum value of `collection`. If `collection` is empty or falsey
+ * `-Infinity` is returned. If an iteratee function is provided it is invoked
+ * for each value in `collection` to generate the criterion by which the value
+ * is ranked. The `iteratee` is bound to `thisArg` and invoked with three
+ * arguments; (value, index, collection).
+ *
+ * If a property name is provided for `predicate` the created `_.property`
+ * style callback returns the property value of the given element.
+ *
+ * If a value is also provided for `thisArg` the created `_.matchesProperty`
+ * style callback returns `true` for elements that have a matching property
+ * value, else `false`.
+ *
+ * If an object is provided for `predicate` the created `_.matches` style
+ * callback returns `true` for elements that have the properties of the given
+ * object, else `false`.
+ *
+ * @static
+ * @memberOf _
+ * @category Math
+ * @param {Array|Object|string} collection The collection to iterate over.
+ * @param {Function|Object|string} [iteratee] The function invoked per iteration.
+ * @param {*} [thisArg] The `this` binding of `iteratee`.
+ * @returns {*} Returns the maximum value.
+ * @example
+ *
+ * _.max([4, 2, 8, 6]);
+ * // => 8
+ *
+ * _.max([]);
+ * // => -Infinity
+ *
+ * var users = [
+ *   { 'user': 'barney', 'age': 36 },
+ *   { 'user': 'fred',   'age': 40 }
+ * ];
+ *
+ * _.max(users, function(chr) {
+ *   return chr.age;
+ * });
+ * // => { 'user': 'fred', 'age': 40 };
+ *
+ * // using the `_.property` callback shorthand
+ * _.max(users, 'age');
+ * // => { 'user': 'fred', 'age': 40 };
+ */
+var max = createExtremum(arrayMax);
+
+export default max;

math/min.js

@@ -0,0 +1,53 @@
+import arrayMin from '../internal/arrayMin';
+import createExtremum from '../internal/createExtremum';
+
+/**
+ * Gets the minimum value of `collection`. If `collection` is empty or falsey
+ * `Infinity` is returned. If an iteratee function is provided it is invoked
+ * for each value in `collection` to generate the criterion by which the value
+ * is ranked. The `iteratee` is bound to `thisArg` and invoked with three
+ * arguments; (value, index, collection).
+ *
+ * If a property name is provided for `predicate` the created `_.property`
+ * style callback returns the property value of the given element.
+ *
+ * If a value is also provided for `thisArg` the created `_.matchesProperty`
+ * style callback returns `true` for elements that have a matching property
+ * value, else `false`.
+ *
+ * If an object is provided for `predicate` the created `_.matches` style
+ * callback returns `true` for elements that have the properties of the given
+ * object, else `false`.
+ *
+ * @static
+ * @memberOf _
+ * @category Math
+ * @param {Array|Object|string} collection The collection to iterate over.
+ * @param {Function|Object|string} [iteratee] The function invoked per iteration.
+ * @param {*} [thisArg] The `this` binding of `iteratee`.
+ * @returns {*} Returns the minimum value.
+ * @example
+ *
+ * _.min([4, 2, 8, 6]);
+ * // => 2
+ *
+ * _.min([]);
+ * // => Infinity
+ *
+ * var users = [
+ *   { 'user': 'barney', 'age': 36 },
+ *   { 'user': 'fred',   'age': 40 }
+ * ];
+ *
+ * _.min(users, function(chr) {
+ *   return chr.age;
+ * });
+ * // => { 'user': 'barney', 'age': 36 };
+ *
+ * // using the `_.property` callback shorthand
+ * _.min(users, 'age');
+ * // => { 'user': 'barney', 'age': 36 };
+ */
+var min = createExtremum(arrayMin, true);
+
+export default min;

math/sum.js

@@ -0,0 +1,33 @@
+import isArray from '../lang/isArray';
+import toIterable from '../internal/toIterable';
+
+/**
+ * Gets the sum of the values in `collection`.
+ *
+ * @static
+ * @memberOf _
+ * @category Math
+ * @param {Array|Object|string} collection The collection to iterate over.
+ * @returns {number} Returns the sum.
+ * @example
+ *
+ * _.sum([4, 6, 2]);
+ * // => 12
+ *
+ * _.sum({ 'a': 4, 'b': 6, 'c': 2 });
+ * // => 12
+ */
+function sum(collection) {
+  if (!isArray(collection)) {
+    collection = toIterable(collection);
+  }
+  var length = collection.length,
+      result = 0;
+
+  while (length--) {
+    result += +collection[length] || 0;
+  }
+  return result;
+}
+
+export default sum;