In Sep 2018, @ondrej asked about Synchronous Platform.worker . The thread is closed, but here is an asynchronous Platform.worker using 0.19 based on @rupert 's excellent response; I hope that this is an acceptable way to pass on this information. <!DOCTYPE HTML> <html> <head> <meta charset="UTF-…

Thanks for the suggestion but it is not exactly what I was looking for. The reason I wanted specifically the synchronous version is that it would be nice to just replace some JS functions with Elm functions. But since there is no way to have a synchronous Elm call from JS it is not possible to “jus…

[image] ondrej: But since there is no way to have a synchronous Elm call from JS If you really, really want to do that, you can do it by compiling the Elm code and processing the result. It would obviously not work for anything that touches the platform code (Tasks, Cmds, Html, etc) but it s…

Could you elaborate a bit more on what do you mean by “processing the result”?

The output of the compiler is readable JS. With each version there is a specific format for this output. This can be used to process this output, for example, adding a specific function or a family of functions to the exports. Please note that this qualifies as a “hack” solution and I’m not really …

That doesn’t sound like a viable solution to me. The output can be changed with any hotfix and it would be quite some work to reverse engineer the inner working of Elm so I can strip out unnecessary stuff. This is unfortunately the way I’m not willing to go.

[image] ondrej: This is unfortunately the way I’m not willing to go. Smart choice. This is why I said “If you really, really want to do that” :wink:

Is there a reason this ability isn’t built into (exposd by) Elm?

[image] z5h: Is there a reason this ability isn’t built into (exposd by) Elm? It just seems to be a prioritization consequence: https://www.reddit.com/r/elm/comments/3n8naq/is_it_possible_to_call_an_elm_function_from/cvm9lwe/

Re: Synchronous Platform.worker

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gampleman March 28, 2019, 9:18am 10

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Re: Synchronous Platform.worker

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