refactor for-of loops out

apparently we cant use them

lib/core/base/audit.js

@@ -68,7 +68,9 @@ Audit.prototype._setPreviousLocale = function() {
 		rules: {}
 	};
 
-	for (const id of Object.keys(this.data.checks)) {
+	const checkIDs = Object.keys(this.data.checks);
+	for (let i = 0; i < checkIDs.length; i++) {
+		const id = checkIDs[i];
 		const check = this.data.checks[id];
 		const { pass, fail, incomplete } = check.messages;
 		locale.checks[id] = {
@@ -78,7 +80,9 @@ Audit.prototype._setPreviousLocale = function() {
 		};
 	}
 
-	for (const id of Object.keys(this.data.rules)) {
+	const ruleIDs = Object.keys(this.data.rules);
+	for (let i = 0; i < ruleIDs.length; i++) {
+		const id = ruleIDs[i];
 		const rule = this.data.rules[id];
 		const { description, help } = rule;
 		locale.rules[id] = { description, help };
@@ -179,7 +183,9 @@ Audit.prototype.applyLocale = function(locale) {
 	this._setPreviousLocale();
 
 	if (locale.checks) {
-		for (const id of Object.keys(locale.checks)) {
+		const keys = Object.keys(locale.checks);
+		for (let i = 0; i < keys.length; i++) {
+			const id = keys[i];
 			if (!this.data.checks[id]) {
 				throw new Error(`Locale provided for unknown check: "${id}"`);
 			}
@@ -192,7 +198,9 @@ Audit.prototype.applyLocale = function(locale) {
 	}
 
 	if (locale.rules) {
-		for (const id of Object.keys(locale.rules)) {
+		const keys = Object.keys(locale.rules);
+		for (let i = 0; i < keys.length; i++) {
+			const id = keys[i];
 			if (!this.data.rules[id]) {
 				throw new Error(`Locale provided for unknown rule: "${id}"`);
 			}