use static message keys (again) +10%

Author: icebob

lib/validator.js

@@ -64,6 +64,7 @@ function Validator(opts) {
 		deepExtend(this.opts, opts);
 
 	this.messages = this.opts.messages;
+	this.messageKeys = Object.keys(this.messages);
 
 	// Load rules
 	this.rules = loadRules();
@@ -176,7 +177,7 @@ Validator.prototype.compileSchemaType = function(schemaType) {
 Validator.prototype.compileMessages = function(schemaType) {
 
 	if (schemaType.messages) {
-		return Object.keys(this.messages).reduce((a, key) => {
+		return this.messageKeys.reduce((a, key) => {
 			a[key] = schemaType.messages[key] || this.messages[key];
 			return a;
 		}, {});