5.1.0 Ports variable 'result' not defined/in scope?

[keithasaurus]

Upgraded to 5.1.0, and now on any port send I'm getting the following error:
ReferenceError: Can't find variable: result

looks like there is no result variable in scope at the line var value = result._0; in the following compiled JS:

function setupIncomingPort(name, callback)
	{
		var sentBeforeInit = [];
		var subs = _elm_lang$core$Native_List.Nil;
		var converter = effectManagers[name].converter;
		var currentOnEffects = preInitOnEffects;
		var currentSend = preInitSend;

		// CREATE MANAGER

		var init = _elm_lang$core$Native_Scheduler.succeed(null);

		function preInitOnEffects(router, subList, state)
		{
			var postInitResult = postInitOnEffects(router, subList, state);

			for(var i = 0; i < sentBeforeInit.length; i++)
			{
				postInitSend(sentBeforeInit[i]);
			}

			sentBeforeInit = null; // to release objects held in queue
			currentSend = postInitSend;
			currentOnEffects = postInitOnEffects;
			return postInitResult;
		}

		function postInitOnEffects(router, subList, state)
		{
			subs = subList;
			return init;
		}

		function onEffects(router, subList, state)
		{
			return currentOnEffects(router, subList, state);
		}

		effectManagers[name].init = init;
		effectManagers[name].onEffects = F3(onEffects);

		// PUBLIC API

		function preInitSend(value)
		{
			sentBeforeInit.push(value);
		}

		function postInitSend(incomingValue)
		{
			var value = result._0;
			var temp = subs;
			while (temp.ctor !== '[]')
			{
				callback(temp._0(value));
				temp = temp._1;
			}
		}

[process-bot]

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[process-bot]

Thanks for the issue! Make sure it satisfies this checklist. My human colleagues will appreciate it!

Here is what to expect next, and if anyone wants to comment, keep these things in mind.

[littleStudent]

having the exact same issue.
popped up after upgrading to 5.1.0

[littleStudent]

having the exact same issue.
popped up after upgrading to 5.1.0

[keithasaurus]

Further complicating this issue is that elm-package won't install core@5.0.0 with the following version string in elm-package.json: "elm-lang/core": "5.0.0 <= v < 5.0.1",

Is there a workaround for installing a specific version?

[keithasaurus]

Further complicating this issue is that elm-package won't install core@5.0.0 with the following version string in elm-package.json: "elm-lang/core": "5.0.0 <= v < 5.0.1",

Is there a workaround for installing a specific version?

[lukewestby]

working on a fix, will submit in 1 minute

[lukewestby]

working on a fix, will submit in 1 minute

[evancz]

@rtfeldman, I think this is from your change elm-lang@5ec47ca

[evancz]

@rtfeldman, I think this is from your change elm-lang@5ec47ca

[evancz]

Thanks again to @keithasaurus for the report and @lukewestby for the very quick fix! Sorry to everyone who ran into this. A 5.1.1 is out with the fix, but please let me know if there are any further issues.

[evancz]

Thanks again to @keithasaurus for the report and @lukewestby for the very quick fix! Sorry to everyone who ran into this. A 5.1.1 is out with the fix, but please let me know if there are any further issues.