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feat: haskell lsp support #6141

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Merged
rekram1-node merged 2 commits into from
Dec 26, 2025
+19 −0
Merged

feat: haskell lsp support #6141

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35a2508
feat: haskell lsp support
amerocu Dec 25, 2025
896daf9
fix: add .lhs haskell extension
amerocu Dec 25, 2025
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1 change: 1 addition & 0 deletions packages/opencode/src/lsp/language.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@ export const LANGUAGE_EXTENSIONS: Record<string, string> = {
".hbs": "handlebars",
".handlebars": "handlebars",
".hs": "haskell",
".lhs": "haskell",
".html": "html",
".htm": "html",
".ini": "ini",
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18 changes: 18 additions & 0 deletions packages/opencode/src/lsp/server.ts
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Expand Up @@ -1892,4 +1892,22 @@ export namespace LSPServer {
}
},
}

export const HLS: Info = {
id: "haskell-language-server",
extensions: [".hs", ".lhs"],
root: NearestRoot(["stack.yaml", "cabal.project", "hie.yaml", "*.cabal"]),
async spawn(root) {
const bin = Bun.which("haskell-language-server-wrapper")
if (!bin) {
log.info("haskell-language-server-wrapper not found, please install haskell-language-server")
return
}
return {
process: spawn(bin, ["--lsp"], {
cwd: root,
}),
}
},
}
}