GH-467 GH-478 GH-469 GH-470 GH-497 GH-498 - Allow soft warning when a…

… hard error isn't required.

Signed-off-by: Nick Campbell <nicholas.j.campbell@gmail.com>

lib/job.js

@@ -33,7 +33,8 @@ function CronJob(CronTime, spawn) {
 		context,
 		runOnInit,
 		utcOffset,
-		unrefTimeout
+		unrefTimeout,
+		softTimeout
 	) {
 		var _cronTime = cronTime;
 		var argCount = 0;
@@ -54,12 +55,13 @@ function CronJob(CronTime, spawn) {
 			_cronTime = cronTime.cronTime;
 			utcOffset = cronTime.utcOffset;
 			unrefTimeout = cronTime.unrefTimeout;
+			softTimeout = cronTime.softTimeout || false;
 		}
 
 		this.context = context || this;
 		this._callbacks = [];
 		this.onComplete = fnWrap(onComplete);
-		this.cronTime = new CronTime(_cronTime, timeZone, utcOffset);
+		this.cronTime = new CronTime(_cronTime, timeZone, utcOffset, softTimeout);
 		this.unrefTimeout = unrefTimeout;
 
 		addCallback.call(this, fnWrap(onTick));

lib/time.js

@@ -66,8 +66,9 @@ const RE_WILDCARDS = /\*/g;
 const RE_RANGE = /^(\d+)(?:-(\d+))?(?:\/(\d+))?$/g;
 
 function CronTime(luxon) {
-	function CT(source, zone, utcOffset) {
+	function CT(source, zone, utcOffset, softTimeout) {
 		this.source = source;
+		this.softTimeout = softTimeout;
 
 		if (zone) {
 			const dt = luxon.DateTime.fromObject({ zone: zone });
@@ -265,13 +266,17 @@ function CronTime(luxon) {
 
 				// hard stop if the current date is after the expected execution
 				if (Date.now() > timeout) {
-					throw new Error(
-						`Something went wrong. cron reached maximum iterations.
+					var msg = `Something went wrong. cron reached maximum iterations.
 							Please open an  issue (https://github.com/kelektiv/node-cron/issues/new) and provide the following string
 							Time Zone: ${zone || '""'} - Cron String: ${this} - UTC offset: ${date.format(
-							'Z'
-						)} - current Date: ${luxon.DateTime.local().toString()}`
-					);
+						'Z'
+					)} - current Date: ${luxon.DateTime.local().toString()}`;
+
+					if (this.softTimeout) {
+						console.warn(msg);
+					} else {
+						throw new Error(msg);
+					}
 				}
 
 				if (