Upgrade development dependencies

package.json

@@ -23,15 +23,15 @@
   "keywords": [],
   "dependencies": {},
   "devDependencies": {
-    "ava": "^2.4.0",
-    "conventional-changelog-cli": "^2.0.28",
-    "cross-env": "^6.0.3",
-    "cz-conventional-changelog": "^3.0.2",
-    "gh-pages": "^2.1.1",
-    "husky": "^3.1.0",
+    "ava": "^3.8.2",
+    "conventional-changelog-cli": "^2.0.34",
+    "cross-env": "^7.0.2",
+    "cz-conventional-changelog": "^3.2.0",
+    "gh-pages": "^2.2.0",
+    "husky": "^4.2.5",
     "mversion": "^1.13.0",
-    "nyc": "^14.1.1",
-    "xo": "^0.25.3"
+    "nyc": "^15.0.1",
+    "xo": "^0.30.0"
   },
   "peerDependencies": {},
   "bugs": {

src/createProp/index.test.js

@@ -1,5 +1,5 @@
-import test from 'ava';
-import createProp from '.';
+const test = require('ava');
+const createProp = require('.');
 
 test('should create property with initial value', t => {
   const name = createProp('Foo');

src/getSettingByPath/index.test.js

@@ -1,5 +1,5 @@
-import test from 'ava';
-import getSettingByPath from '.';
+const test = require('ava');
+const getSettingByPath = require('.');
 
 const settings = {
   id: 'a',

src/isEmptyObject/index.js

@@ -4,16 +4,16 @@
  * {@link https://stackoverflow.com/a/34491966/1284255}
  * @version 0.0.1
  *
- * @param {Object} obj
+ * @param {Object} object
  * @returns {boolean}
  *
  * @example
  * isEmptyObject({}); //=> true
  * isEmptyObject({foo: 1}); //=> false
  */
-function isEmptyObject(obj) {
-  for (let key in obj) {
-    if (Object.prototype.hasOwnProperty.call(obj, key)) {
+function isEmptyObject(object) {
+  for (let key in object) {
+    if (Object.prototype.hasOwnProperty.call(object, key)) {
       return false;
     }
   }

src/isEmptyObject/index.test.js

@@ -1,5 +1,5 @@
-import test from 'ava';
-import isEmptyObject from '.';
+const test = require('ava');
+const isEmptyObject = require('.');
 
 test('should return `true` for empty object', t => {
   t.is(isEmptyObject({}), true);

src/isNil/index.test.js

@@ -1,5 +1,5 @@
-import test from 'ava';
-import isNil from '.';
+const test = require('ava');
+const isNil = require('.');
 
 test('should return `true` for nil values', t => {
   t.is(isNil(null), true);
@@ -11,5 +11,5 @@ test('should return `false` for not nil values', t => {
   t.is(isNil(false), false);
   t.is(isNil(0), false);
   t.is(isNil(''), false);
-  t.is(isNil(NaN), false);
+  t.is(isNil(Number.NaN), false);
 });

src/numberToEven/index.test.js

@@ -1,5 +1,5 @@
-import test from 'ava';
-import numberToEven from '.';
+const test = require('ava');
+const numberToEven = require('.');
 
 test('should return even', t => {
   t.is(numberToEven(1), 0);

src/toSearchString/index.js

@@ -10,17 +10,17 @@
  * //=> "type=span&text=Foo"
  */
 function toSearchString(json) {
-  const res = [];
+  const result = [];
 
   for (const [key, value] of Object.entries(json)) {
     if (typeof value === 'undefined') {
       continue;
     }
 
-    res.push(encodeURIComponent(key) + '=' + encodeURIComponent(value));
+    result.push(encodeURIComponent(key) + '=' + encodeURIComponent(value));
   }
 
-  return res.join('&');
+  return result.join('&');
 }
 
 module.exports = toSearchString;

src/toSearchString/index.test.js

@@ -1,5 +1,5 @@
-import test from 'ava';
-import toSearchString from '.';
+const test = require('ava');
+const toSearchString = require('.');
 
 test('should return search string', t => {
   t.is(toSearchString({type: 'span', text: 'Foo'}), 'type=span&text=Foo');