fixes #1021

src/client/js/components/quests.js

@@ -15,7 +15,7 @@ define([
 			if (blueprint.updateQuests) {
 				blueprint.updateQuests.forEach(function (q) {
 					events.emit('onUpdateQuest', q);
-					let index = this.quests.firstIndex(f => f.id === q.id);
+					let index = this.quests.findIndex(f => f.id === q.id);
 					this.quests.splice(index, 1, q);
 				}, this);
 			}

src/client/js/components/spellbook.js

@@ -61,7 +61,7 @@ define([
 
 			if (blueprint.getSpells) {
 				blueprint.getSpells.forEach(function (s) {
-					let existIndex = this.spells.firstIndex(f => f.id === s.id);
+					let existIndex = this.spells.findIndex(f => f.id === s.id);
 
 					if (existIndex > -1) {
 						this.spells.splice(existIndex, 1, s);

src/client/js/misc/helpers.js

@@ -4,29 +4,6 @@ window.isMobile = /Mobi|Android/i.test(navigator.userAgent);
 window.scale = isMobile ? 32 : 40;
 window.scaleMult = isMobile ? 4 : 5;
 
-//eslint-disable-next-line no-extend-native
-Array.prototype.firstIndex = function (callback, thisArg) {
-	let T = thisArg;
-	let O = Object(this);
-	let len = O.length >>> 0;
-
-	let k = 0;
-
-	while (k < len) {
-		let kValue;
-
-		if (k in O) {
-			kValue = O[k];
-
-			if (callback.call(T, kValue, k, O))
-				return k;
-		}
-		k++;
-	}
-
-	return -1;
-};
-
 //eslint-disable-next-line no-extend-native
 Array.prototype.spliceWhere = function (callback, thisArg) {
 	let T = thisArg;
@@ -82,6 +59,38 @@ Object.defineProperty(Object.prototype, 'has', {
 	}
 });
 
+//eslint-disable-next-line no-extend-native
+if (!String.prototype.padStart) {
+	String.prototype.padStart = function padStart (targetLength, padString) {
+		targetLength = targetLength >> 0;
+		padString = String(typeof padString !== 'undefined' ? padString : ' ');
+		if (this.length >= targetLength) 
+			return String(this);
+         
+		targetLength = targetLength - this.length;
+		if (targetLength > padString.length) 
+			padString += padString.repeat(targetLength / padString.length);
+            
+		return padString.slice(0, targetLength) + String(this);
+	};
+}
+
+//eslint-disable-next-line no-extend-native
+if (!String.prototype.padStart) {
+	String.prototype.padStart = function padStart (targetLength, padString) {
+		targetLength = targetLength >> 0; //truncate if number, or convert non-number to 0;
+		padString = String(typeof padString !== 'undefined' ? padString : ' ');
+		if (this.length >= targetLength) 
+			return String(this);
+         
+		targetLength = targetLength - this.length;
+		if (targetLength > padString.length) 
+			padString += padString.repeat(targetLength / padString.length); //append to original to ensure we are longer than needed
+            
+		return padString.slice(0, targetLength) + String(this);
+	};
+}
+
 window._ = {
 	get2dArray: function (w, h, def) {
 		def = def || 0;

src/client/js/objects/objects.js

@@ -84,7 +84,7 @@ define([
 			if (!fromMob)
 				return list[0];
 
-			let fromIndex = list.firstIndex(function (l) {
+			let fromIndex = list.findIndex(function (l) {
 				return (l.id === fromMob.id);
 			});
 

src/client/ui/templates/equipment/equipment.js

@@ -193,7 +193,7 @@ define([
 				});
 
 			if (isConsumable)
-				items = items.filter((item, i) => items.firstIndex(f => f.name === item.name) === i);
+				items = items.filter((item, i) => items.findIndex(f => f.name === item.name) === i);
 
 			items.splice(0, 0, {
 				name: 'None',

src/client/ui/templates/leaderboard/leaderboard.js

@@ -120,7 +120,7 @@ define([
 			if (!keepOffset) {
 				this.offset = 0;
 
-				let foundIndex = this.records.list.firstIndex(function (r) {
+				let foundIndex = this.records.list.findIndex(function (r) {
 					return (r.name === window.player.name);
 				}, this);
 				if (foundIndex !== -1)

src/server/misc/helpers.js

@@ -1,29 +1,3 @@
-//eslint-disable-next-line no-extend-native
-Object.defineProperty(Array.prototype, 'firstIndex', {
-	enumerable: false,
-	value: function (callback, thisArg) {
-		let T = thisArg;
-		let O = Object(this);
-		let len = O.length >>> 0;
-
-		let k = 0;
-
-		while (k < len) {
-			let kValue;
-
-			if (k in O) {
-				kValue = O[k];
-
-				if (callback.call(T, kValue, k, O))
-					return k;
-			}
-			k++;
-		}
-
-		return -1;
-	} 
-});
-
 //eslint-disable-next-line no-extend-native
 Object.defineProperty(Array.prototype, 'spliceWhere', {
 	enumerable: false,

src/server/world/randomMap.js

@@ -446,7 +446,7 @@ module.exports = {
 			return ((direction[0] === -exitDirection[0]) && (direction[1] === -exitDirection[1]));
 		});
 		templateExit = templateExit[this.randInt(0, templateExit.length)];
-		let exitIndex = template.exits.firstIndex(e => e === templateExit);
+		let exitIndex = template.exits.findIndex(e => e === templateExit);
 
 		template.exits.splice(exitIndex, 1);