typescript-language-server no longer maintained #250

lynndylanhurley · 2020-05-24T19:38:33Z

It looks like the typescript-language-server library is no longer actively maintained (source).

There's another language server that supports both javascript and typescript that seems to be more active (javascript-language-server). Would that be a better option?

ghost · 2020-05-28T01:26:14Z

I didn't really want to make a github issue out of this since this isn't really one but I just realized that coc-tsserver from coc.nvim works on singular .ts files without actually initializing a typescript project in that directory while this both this and tsserver only work if there's a tsconfig. Is there any way I can obtain the same behavior here ?

Both my typescript and lua are trash but I think it's because of the default values coc-tsserver comes with.
https://github.com/neoclide/coc-tsserver/blob/bac002caef532d6dc58c10a2885eeed463082d4f/package.json

Edit: It seems it's not really possible in this case.
sourcegraph/javascript-typescript-langserver#433

lynndylanhurley · 2020-05-28T15:19:42Z

@pyrr yeah I think we're dependent on the language server itself for that. Not sure why that issue was closed - did they resolve the issue maybe?

ghost · 2020-05-28T18:21:46Z

I don't think so.

leungbk · 2020-06-09T18:38:54Z

It looks like the typescript-language-server library is no longer actively maintained (source).

There's another language server that supports both javascript and typescript that seems to be more active (javascript-language-server). Would that be a better option?

The repo you are suggesting hasn't received any updates to the actual source code in more than a year---really, look at the commit history. That project also has some problems with memory leaks: sourcegraph/javascript-typescript-langserver#447

It might be easier for someone to take over the Theia project instead.

saltmade · 2020-06-13T10:37:11Z

I'd like to promo this issue as well that asks Microsoft to make TSServer (theirs) support LSP (also theirs) microsoft/TypeScript#11274.

glepnir · 2020-06-18T15:49:24Z

This is the reason why I have not switched to use nvim-lsp from coc. coc-tsserver has always worked great. And typescript-lang-server is no longer maintained

whitebyte · 2020-06-22T11:00:55Z

FWIW Sourcegraph language server mentioned by OP also seems abandoned, all the activity there comes from deps-update bots

lynndylanhurley · 2020-06-22T16:41:42Z

@whitebyte are there any other options? The coc-tsserver plugin seems to work really well for coc.nvim. Is there any way to adapt that plugin to work for nvim-lsp?

whitebyte · 2020-06-23T11:29:37Z

@lynndylanhurley unfortunately I'm not aware of any other options

lynndylanhurley · 2020-08-19T14:41:55Z

@kuator I ended up switching back to coc. I'm mostly using TS these days and coc-tsserver is just way better than the nvim-lsp typescript plugin.

pyrho · 2020-08-19T14:46:20Z

@lynndylanhurley I've switched from coc to lsp for the past week. While I agree that it's worrying that typescript-language-server is no longer maintained, I don't really have an issue with my current LSP setup compared to coc.

May I know what did not work for you?

lynndylanhurley · 2020-08-19T14:52:56Z

@pyrho I kept getting stale / glitchy linting errors. Also the editor would occasionally freeze completely 1-2 times per day.

I switched back to coc to see if that resolved the issue. I haven't had the freezing issue at all, but I do occasionally get bad linting results. In those cases I can just run CocReset and it resolves the issue. Not sure if there's an equivalent command for the nvim LSP - the only way I knew how to resolve with nvim-lsp was to exit vim and restart.

pyrho · 2020-08-19T14:56:08Z

I did notice a bad freeze/hang/OOM with LSP that I never had with coc; thanks for sharing.

kuator · 2020-08-19T16:15:33Z

@kuator I ended up switching back to coc. I'm mostly using TS these days and coc-tsserver is just way better than the nvim-lsp typescript plugin.

Thanks for the suggestion, I used to use coc.nvim, it's an amazing plugin, but I'm gonna stick to nvim-lsp. I mostly write python, so typescript support is not big of a deal for me.

justinmk · 2020-08-30T07:48:20Z

coc uses vscode (which has many extensions that provide in-process LSP servers). Is there some reason why nvim-lsp could not also use vscode as the LSP server? That seems like the best approach for any LSP client, since most vscode extensions that provide LSP aren't going to bother to provide standalone versions.

pyrho · 2020-08-30T16:18:41Z

@justinmk You make it sound easy, are you sure :) ?

For Typescript CoC uses coc-tsserver which looks like it spawns a tsserver process and interacts with it via stdin/out.
I think nvim-typescript does something similar; eg. not really LSP but just an in-house wrapper around tsserver.

typescript-language-server provides an LSP interface to tsserver (unlike the two aforementioned repos) so that nvim's LSP can "talk" with tsserver.

We need all this needless complexity because tsserver does not have an LSP interface.

You are exponentially more knowledgeable than me (<3), so there is a good chance everything I just said is just non sense, but that's my two cents.

justinmk · 2020-08-30T18:40:47Z

You make it sound easy, are you sure :) ?

it's definitely not easy, I wonder if coc could be leveraged as a library or a dependency somehow. Haven't looked into whether this is a goal of coc. And it's probably a bit silly since then nvim-lsp is kinda redundant.

I think nvim-typescript does something similar; eg. not really LSP but just an in-house wrapper around tsserver.

oh. so what's the problem?

We need all this needless complexity because tsserver does not have an LSP interface.

the way LSP seems to be going is that many "LSP" impls are done as in-process vscode extensions, because it's just easier for the author. Which of course defeats the purpose of LSP. But if this trend continues then vscode will be a de facto necessary dependency of all LSP clients.

pyrho · 2020-08-30T21:50:43Z

And it's probably a bit silly since then nvim-lsp is kinda redundant.

Agreed.

I think nvim-typescript does something similar; eg. not really LSP but just an in-house wrapper around tsserver.

oh. so what's the problem?

From my limited understanding, the code from coc (or nvim-typescript) could be adapted to talk to an LSP-able client, acting as an LSP abstraction layer in front of tsserver; I also don't think it would be too hard to do.

(note: coc uses official vscode packages to interact with tsserver, found here)

The problem is finding someone with enough time on their hands to actually do it (I'm trying to stop making promise I can't fulfill P:).

But if this trend continues then vscode will be a de facto necessary dependency of all LSP clients.

Do you mean like an actual VSCode instance acting as a server, with which other out-of-memory programs can interact with? Is such API already live?

It just hit me, I've been rambling about re-using code from here or there, but we already have a "wrapper around tsserver that speaks LSP", that's already exactly what typescript-language-server is; it just needs a new maintainer.
As for interacting directly with VSCode (eg. nvim <> vscode <> tsserver instead of nvim <> tsserver) , that's outside of my knowledge.

After reading this issue (neovim/nvim-lspconfig#250) I've decided to move to CoC for completion, at least until NeoVim release something comparable and stable. - Swapped nvim-lsp for coc.nvim config - Installed CoC extensions that provide similar functionality - coc-python - coc-solargraph - coc-snippets - Swapped honza/vim-snippets for my own fork because coc-snippets doesn't currently support prioritising sources, ie, need to remove duplicates to avoid being asked to choose - Swap jiangmiao/auto-pairs for coc-pairs (better integration with CoC) - Incidentally installed coc-json to edit coc-settings.json - Separated out Solargraph role - Coordinated CoC and NeoMake (still using NeoMake for Test strategy) - Improved custom signs - Stopped NeoMake running automatically - Removed Shougo/deoplete.nvim in favour of CoC's built-in completion - Integrated with Shougo/denite.nvim - Added my own fork of neoclide/coc-denite to support arrow function symbols (neoclide/coc-tsserver#2) - Updated maps - Added initial maps for CoC

Chocrates · 2020-12-11T16:18:41Z

👋 To keep this conversation going, the theia lsp server, https://github.com/theia-ide/typescript-language-server appears to have been picked up by someone, it has commits in the last 25 days as of this writing.

https://github.com/sourcegraph/javascript-typescript-langserver has been archived and points to the theia lsp among other options.

Typescript claims to be slowly implementing LSP functionality but so far its hard to track microsoft/TypeScript#39459

Should we update the README to point back to the theia LSP? I am having trouble getting it running myself.

mjlbach · 2020-12-21T21:33:02Z

Isn't this no longer an issue as typescript-language-server is now maintained, and @Chocrates I believe the documentation does point to theia LSP?

nvim-lspconfig/lua/lspconfig/tsserver.lua

Lines 35 to 40 in 36d9109

    
           https://github.com/theia-ide/typescript-language-server 
        
           `typescript-language-server` can be installed via `:LspInstall tsserver` or by yourself with `npm`: 
        
           ```sh 
        
           npm install -g typescript-language-server 
        
           ```

David-Else · 2020-12-25T09:42:22Z

Deno now has a built-in LSP for JS and TS in Rust:

https://deno.land/posts/v1.6#built-in-deno-language-server
https://marketplace.visualstudio.com/items?itemName=denoland.vscode-deno-canary

They are working on it:

denoland/deno#8643

kuator · 2020-12-25T18:40:49Z

Deno now has a built-in LSP for JS and TS in Rust:

https://deno.land/posts/v1.6#built-in-deno-language-server
https://marketplace.visualstudio.com/items?itemName=denoland.vscode-deno-canary

They are working on it:

denoland/deno#8643

Does it allow to use it in non-deno projects?

mjlbach · 2020-12-25T19:15:38Z

@David-Else @kuator If you want to continue this discussion (and test) this PR #491

lynndylanhurley added the bug Something isn't working label May 24, 2020

lynndylanhurley mentioned this issue May 27, 2020

feat(javascript/typescript) add javascript-typescript-langserver #253

Closed

justinmk added question Further information is requested and removed bug Something isn't working labels Aug 30, 2020

jcs090218 mentioned this issue Sep 6, 2020

[discussion] maintaining typescript-language-server as part of the organization emacs-lsp/lsp-mode#2147

Closed

roginfarrer mentioned this issue Sep 15, 2020

Support Neovim LSP, succeed typescript-language-server neoclide/coc-tsserver#204

Closed

This was referenced Sep 17, 2020

Relationship with LSP (especially coc.nvim) nvim-treesitter/nvim-treesitter#484

Closed

auto tigger signature help window when completedone. nvim-lua/completion-nvim#198

Merged

lynndylanhurley closed this as completed Dec 25, 2020

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typescript-language-server no longer maintained #250

typescript-language-server no longer maintained #250

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typescript-language-server no longer maintained #250

typescript-language-server no longer maintained #250

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