Update sbt-scalajs, scalajs-compiler, ... to 1.8.0#734
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| object TestContext { | ||
| // Why is this context distinct from the global execution context that Scala provides | ||
| // out of the box? | ||
| // In short, because browsers / JS are _very different_ from the JVM. Copying / pasting | ||
| // from the macrotask executor's explanation of why that library exists in its README: | ||
| // (https://github.com/scala-js/scala-js-macrotask-executor/tree/v1.0.0) | ||
| // | ||
| // "Unless you have some very, very specific and unusual requirements, this is the optimal | ||
| // ExecutionContext implementation for use in any Scala.js project. | ||
| // If you're using ExecutionContext and not using this project, you likely have some serious | ||
| // bugs and/or performance issues waiting to be discovered." | ||
| // | ||
| // This library goes through the trouble of providing this special execution context and | ||
| // reorganizing just to provide that context in tests to make it more obvious for downstream | ||
| // JS consumers what to fix / how to make a pretty menacing warning go away. | ||
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| val context: ExecutionContext = Implicits.global | ||
| } |
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This is the meat of the change -- you can see the README for more details. Scala.js 1.8.0 introduced warnings about using Scala's global execution context: https://www.scala-js.org/news/2021/12/10/announcing-scalajs-1.8.0/
This happened only in tests but still required repair. The warning could have been suppressed, but then downstream consumers of the JS lib would have had to figure it out on their own. This seems better, though the cost is pretty high -- CrossProject.Pure was no longer sufficient since we know have platform-specific code.
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