✨ Add math.add fix #3

src/index.js

@@ -1,3 +1,4 @@
 export * from './core'
 export * from './lang'
 export * from './array'
+export * from './math'

src/math/add.js

@@ -0,0 +1,16 @@
+import add from 'lodash/add'
+
+import update from '../core/update'
+
+/**
+ * Replaces by the addition of the former number and the given number.
+ * @function add
+ * @memberof math
+ * @param {Object} object The object to modify.
+ * @param {Array|string} path The path of the property to set.
+ * @param {number} addend The number to add.
+ * @return {Object} Returns the updated object.
+ * @see {@link https://lodash.com/docs#add|Lodash} for more information
+ * @since 0.1.7
+ */
+export default update(add)

src/math/add.spec.js

@@ -0,0 +1,11 @@
+/* eslint-env node, mocha */
+import { expect } from 'chai'
+
+import add from './add'
+
+describe('Add', () => {
+
+  it('should add two numbers', () => {
+    expect(add({ nested: { prop: 2 } }, 'nested.prop', 4)).to.be.deep.equal({ nested: { prop: 6 } })
+  })
+})

src/math/index.js

@@ -0,0 +1,9 @@
+import add from './add'
+
+/**
+ * Math functions.
+ * @namespace math
+ */
+export {
+  add,
+}