✨ Add array package with xor (#2)

src/array/index.js

@@ -0,0 +1,5 @@
+import xor from './xor'
+
+export {
+  xor,
+}

src/array/xor.js

@@ -0,0 +1,5 @@
+import xor from 'lodash/xor'
+
+import update from '../core/update'
+
+export default update(xor)

src/array/xor.spec.js

@@ -0,0 +1,23 @@
+/* eslint-env node, mocha */
+import { expect } from 'chai'
+
+import xor from './xor'
+
+describe('Xor', () => {
+
+  const withOneAndTwo = { nested: { prop: [1, 2] } }
+  const oneAndThree = [1, 3]
+  const withOneAndThree = { nested: { prop: oneAndThree } }
+  const twoAndThree = [2, 3]
+  const withTwoAndThree = { nested: { prop: twoAndThree } }
+
+  it('should xor arrays', () => {
+    expect(xor(withOneAndTwo, 'nested.prop', twoAndThree)).to.be.deep.equal(withOneAndThree)
+    expect(xor(withOneAndTwo, 'nested.prop', oneAndThree)).to.be.deep.equal(withTwoAndThree)
+  })
+
+  it('should xor deep undefined to array', () => {
+    expect(xor({}, 'nested.prop', oneAndThree)).to.be.deep.equal(withOneAndThree)
+    expect(xor(undefined, 'nested.prop', oneAndThree)).to.be.deep.equal(withOneAndThree)
+  })
+})

src/index.js

@@ -1,2 +1,3 @@
 export * from './core'
 export * from './lang'
+export * from './array'

src/lang/toggle.spec.js

@@ -9,7 +9,7 @@ describe('Toggle', () => {
   const withFalse = { nested: { prop: false } }
 
   it('should toggle false to true', () => {
-    expect(toggle({ nested: { prop: false } }, 'nested.prop')).to.be.deep.equal(withTrue)
+    expect(toggle(withFalse, 'nested.prop')).to.be.deep.equal(withTrue)
   })
 
   it('should toggle falsy to true', () => {
@@ -25,7 +25,7 @@ describe('Toggle', () => {
   })
 
   it('should toggle true to false', () => {
-    expect(toggle({ nested: { prop: true } }, 'nested.prop')).to.be.deep.equal(withFalse)
+    expect(toggle(withTrue, 'nested.prop')).to.be.deep.equal(withFalse)
   })
 
   it('should toggle truthy to false', () => {