Core: Remove inArray with native array.includes()

Author: izelnakri

src/core/utilities.js

@@ -47,18 +47,6 @@ export function diff (a, b) {
   return a.filter((a) => b.indexOf(a) === -1);
 }
 
-/**
- * Determines whether an element exists in a given array or not.
- *
- * @method inArray
- * @param {any} elem
- * @param {Array} array
- * @return {boolean}
- */
-export function inArray (elem, array) {
-  return array.indexOf(elem) !== -1;
-}
-
 /**
  * Recursively clone an object into a plain array or object, taking only the
  * own enumerable properties.

src/dump.js

@@ -29,7 +29,7 @@
 // -------
 
 import config from './core/config';
-import { inArray, toString, is } from './core/utilities';
+import { toString, is } from './core/utilities';
 
 export default (function () {
   function quote (str) {
@@ -222,7 +222,7 @@ export default (function () {
         const nonEnumerableProperties = ['message', 'name'];
         for (const i in nonEnumerableProperties) {
           const key = nonEnumerableProperties[i];
-          if (key in map && !inArray(key, keys)) {
+          if (key in map && !keys.includes(key)) {
             keys.push(key);
           }
         }

src/events.js

@@ -1,5 +1,3 @@
-import { inArray } from './core/utilities';
-
 const LISTENERS = Object.create(null);
 const SUPPORTED_EVENTS = [
   'error',
@@ -50,7 +48,7 @@ export function emit (eventName, data) {
 export function on (eventName, callback) {
   if (typeof eventName !== 'string') {
     throw new TypeError('eventName must be a string when registering a listener');
-  } else if (!inArray(eventName, SUPPORTED_EVENTS)) {
+  } else if (!SUPPORTED_EVENTS.includes(eventName)) {
     const events = SUPPORTED_EVENTS.join(', ');
     throw new Error(`"${eventName}" is not a valid event; must be one of: ${events}.`);
   } else if (typeof callback !== 'function') {
@@ -62,7 +60,7 @@ export function on (eventName, callback) {
   }
 
   // Don't register the same callback more than once
-  if (!inArray(callback, LISTENERS[eventName])) {
+  if (!LISTENERS[eventName].includes(callback)) {
     LISTENERS[eventName].push(callback);
   }
 }

src/test.js

@@ -11,7 +11,6 @@ import {
   extend,
   generateHash,
   hasOwn,
-  inArray,
   performance
 } from './core/utilities';
 import { runLoggingCallbacks } from './core/logging';
@@ -805,7 +804,7 @@ Test.prototype = {
       return (
         // undefined or empty array
         !selectedId || !selectedId.length ||
-        inArray(testModule.moduleId, selectedId) || (
+        selectedId.includes(testModule.moduleId) || (
           testModule.parentModule && moduleChainIdMatch(testModule.parentModule, selectedId)
         )
       );
@@ -815,7 +814,7 @@ Test.prototype = {
       return false;
     }
 
-    if (config.testId && config.testId.length && !inArray(this.testId, config.testId)) {
+    if (config.testId && config.testId.length && !config.testId.includes(this.testId)) {
       return false;
     }