Work on EnigError and usage as experiment; This will go to many other areas of the code

core/enig_error.js

@@ -2,11 +2,14 @@
 'use strict';
 
 class EnigError extends Error {
-	constructor(message) {
+	constructor(message, code, reason, reasonCode) {
 		super(message);
 
 		this.name		= this.constructor.name;
 		this.message	= message;
+		this.code		= code;
+		this.reason		= reason;
+		this.reasonCode	= reasonCode;
 
 		if(typeof Error.captureStackTrace === 'function') {
 			Error.captureStackTrace(this, this.constructor);
@@ -16,4 +19,12 @@ class EnigError extends Error {
 	}
 }
 
+class EnigMenuError extends EnigError { }
+
 exports.EnigError				= EnigError;
+exports.EnigMenuError			= EnigMenuError;
+
+exports.Errors = {
+	General				: (reason, reasonCode) 	=> new EnigError('An error occurred', -33000, reason, reasonCode),
+	MenuStack			: (reason, reasonCode)	=> new EnigMenuError('Menu stack error', -33001, reason, reasonCode),
+};

core/menu_stack.js

@@ -3,6 +3,7 @@
 
 //	ENiGMA½
 const loadMenu	= require('./menu_util.js').loadMenu;
+const Errors	= require('./enig_error.js').Errors;
 
 //	deps
 const _			= require('lodash');
@@ -57,16 +58,16 @@ module.exports = class MenuStack {
 		if(_.isArray(menuConfig.next)) {
 			nextMenu = this.client.acs.getConditionalValue(menuConfig.next, 'next');
 			if(!nextMenu) {
-				return cb(new Error('No matching condition for \'next\'!'));
+				return cb(Errors.MenuStack('No matching condition for "next"', 'NOCONDMATCH'));
 			}
 		} else if(_.isString(menuConfig.next)) {
 			nextMenu = menuConfig.next;
 		} else {
-			return cb(new Error('Invalid or missing \'next\' member in menu config!'));
+			return cb(Errors.MenuStack('Invalid or missing "next" member in menu config', 'BADNEXT'));
 		}
 
 		if(nextMenu === currentModuleInfo.name) {
-			return cb(new Error('Menu config \'next\' specifies current menu!'));
+			return cb(Errors.MenuStack('Menu config "next" specifies current menu', 'ALREADYTHERE'));
 		}
 
 		this.goto(nextMenu, { }, cb);
@@ -90,7 +91,7 @@ module.exports = class MenuStack {
 			return this.goto(previousModuleInfo.name, opts, cb);
 		}
 		
-		return cb(new Error('No previous menu available!'));		
+		return cb(Errors.MenuStack('No previous menu available', 'NOPREV'));
 	}
 
 	goto(name, options, cb) {
@@ -104,7 +105,7 @@ module.exports = class MenuStack {
 
 		if(currentModuleInfo && name === currentModuleInfo.name) {
 			if(cb) {
-				cb(new Error('Already at supplied menu!'));
+				cb(Errors.MenuStack('Already at supplied menu', 'ALREADYTHERE'));				
 			}
 			return;
 		}

core/message.js

@@ -139,7 +139,7 @@ Message.createMessageUUID = function(areaTag, modTimestamp, subject, body) {
 	body			= iconvEncode(body.replace(/\r\n|[\n\v\f\r\x85\u2028\u2029]/g, '').trim(), 'CP437');
 	
 	return uuid.unparse(createNamedUUID(ENIGMA_MESSAGE_UUID_NAMESPACE, Buffer.concat( [ areaTag, modTimestamp, subject, body ] )));
-}
+};
 
 Message.getMessageIdByUuid = function(uuid, cb) {
 	msgDb.get(

core/view_controller.js

@@ -49,7 +49,11 @@ function ViewController(options) {
 		menuUtil.handleAction(self.client, formData, actionBlock, (err) => {
 			if(err) {
 				//	:TODO: What can we really do here?
-				self.client.log.warn( { err : err }, 'Error during handleAction()');
+				if('ALREADYTHERE' === err.reasonCode) {
+					self.client.log.trace( err.reason );
+				} else {
+					self.client.log.warn( { err : err }, 'Error during handleAction()');
+				}
 			}
 			
 			self.waitActionCompletion = false;