From 2bd05bbfd3c6fe95b558e7a95f198f446890ef26 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fabian=20Mor=C3=B3n=20Zirfas?=
 <fabianmoronzirfas@protonmail.ch>
Date: Sun, 27 Oct 2019 19:48:49 +0100
Subject: [PATCH] Replace old shim with current from mozilla

---
 Array/every.js | 34 ++++++++++++++++++----------------
 1 file changed, 18 insertions(+), 16 deletions(-)

diff --git a/Array/every.js b/Array/every.js
index a75c8ac..aa98813 100644
--- a/Array/every.js
+++ b/Array/every.js
@@ -1,12 +1,10 @@
-/*
-https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/every
-*/
 if (!Array.prototype.every) {
-  Array.prototype.every = function(callback, thisArg) {
+  Array.prototype.every = function(callbackfn, thisArg) {
+    'use strict';
     var T, k;
 
-    if (this === void 0 || this === null) {
-      throw new TypeError('Array.prototype.every called on null or undefined');
+    if (this == null) {
+      throw new TypeError('this is null or not defined');
     }
 
     // 1. Let O be the result of calling ToObject passing the this 
@@ -18,13 +16,15 @@ if (!Array.prototype.every) {
     // 3. Let len be ToUint32(lenValue).
     var len = O.length >>> 0;
 
-    // 4. If IsCallable(callback) is false, throw a TypeError exception.
-    if (callback.__class__ !== 'Function') {
-      throw new TypeError(callback + ' is not a function');
+    // 4. If IsCallable(callbackfn) is false, throw a TypeError exception.
+    if (typeof callbackfn !== 'function' && Object.prototype.toString.call(callbackfn) !== '[object Function]') {
+      throw new TypeError();
     }
 
     // 5. If thisArg was supplied, let T be thisArg; else let T be undefined.
-    T = (arguments.length > 1) ? thisArg : void 0;
+    if (arguments.length > 1) {
+      T = thisArg;
+    }
 
     // 6. Let k be 0.
     k = 0;
@@ -41,15 +41,17 @@ if (!Array.prototype.every) {
       //   This step can be combined with c
       // c. If kPresent is true, then
       if (k in O) {
-
+        var testResult;
         // i. Let kValue be the result of calling the Get internal method
         //    of O with argument Pk.
         kValue = O[k];
 
-        // ii. Let testResult be the result of calling the Call internal method
-        //     of callback with T as the this value and argument list 
-        //     containing kValue, k, and O.
-        var testResult = callback.call(T, kValue, k, O);
+        // ii. Let testResult be the result of calling the Call internal method 
+        // of callbackfn with T as the this value if T is not undefined 
+        // else is the result of calling callbackfn 
+        // and argument list containing kValue, k, and O.
+        if(T) testResult = callbackfn.call(T, kValue, k, O); 
+        else testResult = callbackfn(kValue,k,O)
 
         // iii. If ToBoolean(testResult) is false, return false.
         if (!testResult) {
@@ -60,4 +62,4 @@ if (!Array.prototype.every) {
     }
     return true;
   };
-}
\ No newline at end of file
+}