A node which I develop needs to be run periodically. With setInterval, I could achieve this. It is necessary that the interval is set up upon loading the node. Here's my simple solution: function ShadingNode(originalConfig) { RED.nodes.createNode(this,originalConfig); const loopInterval…

There's no need to use context. You can just define at as a variable inside the node constructor and it will be in scope and available to use.

[image] danube: always when I deploy anything, an additional interval starts @danube , Also you might call clearInterval in the node's "close" event...

This is close to the limit of what I know how to do with JS and NR, so I hope I won't mislead you -- and I hope that someone will correct me if I do. [image] danube: always when I deploy anything, an additional interval starts. Do you mean this happens when you edit your flow and re-deploy? …

@knolleary @dceejay I was already afraid there would be a simple solution I just wasn't able to figure out. Using the constructor seems to be that kind of working way. @drmibell Your assumption about localfilesystem is correct and explains the event after six times five loops. @BartButenaers @drmi…

Where to store handle of setInterval?

Developing Nodes

dceejay 20 November 2021 20:11 5

As Nick said you don't need to use context for this... I usually do something like node.myInterval = setInterval(.... to hold the reference - and then in the on close you can do... . if (node.myInterval) { clearInterval(node.myInterval) } to tidy it up.

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Where to store handle of setInterval?

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