Langium project for Theia extension. #1059
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When using langium's vscode plugin in Theia, there are many problems. Is there any plan to support Theia extension? |
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Replies: 3 comments 9 replies
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Could you describe in more detail what problems you are seeing? If there are issues with using a Langium-based language server in Theia, you should report them as bugs at the theia repo.
Note that Theia stopped supporting the direct integration of language servers since version 1.4.0 (changelog). The only way to integrate Langium for text editor support is through a VS Code extension. |
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I've just tested the Langium vscode extension in Theia ( |
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@msujew Left is vsocode, right is theia. Auto completion and error prompts features, obviously something is wrong. |
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Uhm, I'm not sure what the issue is there. I can't seem to reproduce this: 2023-05-23.10-39-56.mp4 |
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Is it because I am using the browser version? I've just tested it in theia blueprint online, the problems is still there. |
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I get the same issue in the online blueprint version. It seems to be a serialization issue on the frontend side:
It seems like it's related to a new version of the serialization library used. There's a fix in Theia's migration guide. Can you try to apply that in your Theia project and see whether that works? |
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It works! Thank you @msujew 👍 |
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Everything worked as expected in vscode, but some features often have problems in theia, such as auto completion and error prompts. |
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Eclipse Theia: 1.37.0 |
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Do you have something specific or even a reproducible example to look at? These issues should be generally fixed on the Theia side though. I don't think there's really anything we can do on the level of Langium, given that we do nothing out of the ordinary. Note that I'm an active contributor to the Theia framework, so I'm not trying to push the blame here. It would be good to see the issues in action so I could maybe contribute a fix. |
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I get the same issue in the online blueprint version. It seems to be a serialization issue on the frontend side:
It seems like it's related to a new version of the serialization library used. There's a fix in Theia's migration guide. Can you try to apply that in your Theia project and see whether that works?