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Merged
rekram1-node merged 10 commits into from
Dec 19, 2025
+100 −28
Merged

lsp: add oxlint server #5570

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27c497a
lsp: add oxlint server
Eric162 Dec 15, 2025
37b4513
Merge remote-tracking branch 'origin/dev' into oxlint-lsp
Eric162 Dec 15, 2025
84bfcda
Prefer oxc_language_server since oxlint dropped --lsp
Eric162 Dec 15, 2025
df95868
update to prefer --lsp flag on oxlint bin instead of oxc_language_server
Eric162 Dec 16, 2025
9b3d833
Merge branch 'dev' into oxlint-lsp
Eric162 Dec 16, 2025
a194231
Merge branch 'dev' into oxlint-lsp
Eric162 Dec 17, 2025
5ee96f4
run format
Eric162 Dec 17, 2025
fa21c54
Merge branch 'dev' into oxlint-lsp
Eric162 Dec 17, 2025
628e3b4
Merge branch 'dev' into oxlint-lsp
Eric162 Dec 18, 2025
ae7e3b3
Merge branch 'dev' into oxlint-lsp
Eric162 Dec 18, 2025
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73 changes: 72 additions & 1 deletion packages/opencode/src/lsp/server.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ import os from "os"
import { Global } from "../global"
import { Log } from "../util/log"
import { BunProc } from "../bun"
import { $ } from "bun"
import { $, readableStreamToText } from "bun"
import fs from "fs/promises"
import { Filesystem } from "../util/filesystem"
import { Instance } from "../project/instance"
Expand Down Expand Up @@ -216,6 +216,77 @@ export namespace LSPServer {
},
}

export const Oxlint: Info = {
id: "oxlint",
root: NearestRoot([
".oxlintrc.json",
"package-lock.json",
"bun.lockb",
"bun.lock",
"pnpm-lock.yaml",
"yarn.lock",
"package.json",
]),
extensions: [".ts", ".tsx", ".js", ".jsx", ".mjs", ".cjs", ".mts", ".cts", ".vue", ".astro", ".svelte"],
async spawn(root) {
const ext = process.platform === "win32" ? ".cmd" : ""

const serverTarget = path.join("node_modules", ".bin", "oxc_language_server" + ext)
const lintTarget = path.join("node_modules", ".bin", "oxlint" + ext)

const resolveBin = async (target: string) => {
const localBin = path.join(root, target)
if (await Bun.file(localBin).exists()) return localBin

const candidates = Filesystem.up({
targets: [target],
start: root,
stop: Instance.worktree,
})
const first = await candidates.next()
await candidates.return()
if (first.value) return first.value

return undefined
}

let lintBin = await resolveBin(lintTarget)
if (!lintBin) {
const found = Bun.which("oxlint")
if (found) lintBin = found
}

if (lintBin) {
const proc = Bun.spawn([lintBin, "--help"], { stdout: "pipe" })
await proc.exited
const help = await readableStreamToText(proc.stdout)
if (help.includes("--lsp")) {
return {
process: spawn(lintBin, ["--lsp"], {
cwd: root,
}),
}
}
}

let serverBin = await resolveBin(serverTarget)
if (!serverBin) {
const found = Bun.which("oxc_language_server")
if (found) serverBin = found
}
if (serverBin) {
return {
process: spawn(serverBin, [], {
cwd: root,
}),
}
}

log.info("oxlint not found, please install oxlint")
return
},
}

export const Biome: Info = {
id: "biome",
root: NearestRoot([
Expand Down
55 changes: 28 additions & 27 deletions packages/web/src/content/docs/lsp.mdx
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Expand Up @@ -11,33 +11,34 @@ OpenCode integrates with your Language Server Protocol (LSP) to help the LLM int

OpenCode comes with several built-in LSP servers for popular languages:

| LSP Server | Extensions | Requirements |
| ------------------ | ---------------------------------------------------- | ------------------------------------------------------------ |
| astro | .astro | Auto-installs for Astro projects |
| bash | .sh, .bash, .zsh, .ksh | Auto-installs bash-language-server |
| clangd | .c, .cpp, .cc, .cxx, .c++, .h, .hpp, .hh, .hxx, .h++ | Auto-installs for C/C++ projects |
| csharp | .cs | `.NET SDK` installed |
| dart | .dart | `dart` command available |
| deno | .ts, .tsx, .js, .jsx, .mjs | `deno` command available (auto-detects deno.json/deno.jsonc) |
| elixir-ls | .ex, .exs | `elixir` command available |
| eslint | .ts, .tsx, .js, .jsx, .mjs, .cjs, .mts, .cts, .vue | `eslint` dependency in project |
| fsharp | .fs, .fsi, .fsx, .fsscript | `.NET SDK` installed |
| gleam | .gleam | `gleam` command available |
| gopls | .go | `go` command available |
| jdtls | .java | `Java SDK (version 21+)` installed |
| lua-ls | .lua | Auto-installs for Lua projects |
| ocaml-lsp | .ml, .mli | `ocamllsp` command available |
| php intelephense | .php | Auto-installs for PHP projects |
| pyright | .py, .pyi | `pyright` dependency installed |
| ruby-lsp (rubocop) | .rb, .rake, .gemspec, .ru | `ruby` and `gem` commands available |
| rust | .rs | `rust-analyzer` command available |
| sourcekit-lsp | .swift, .objc, .objcpp | `swift` installed (`xcode` on macOS) |
| svelte | .svelte | Auto-installs for Svelte projects |
| terraform | .tf, .tfvars | Auto-installs from GitHub releases |
| typescript | .ts, .tsx, .js, .jsx, .mjs, .cjs, .mts, .cts | `typescript` dependency in project |
| vue | .vue | Auto-installs for Vue projects |
| yaml-ls | .yaml, .yml | Auto-installs Red Hat yaml-language-server |
| zls | .zig, .zon | `zig` command available |
| LSP Server | Extensions | Requirements |
| ------------------ | ------------------------------------------------------------------- | ------------------------------------------------------------ |
| astro | .astro | Auto-installs for Astro projects |
| bash | .sh, .bash, .zsh, .ksh | Auto-installs bash-language-server |
| clangd | .c, .cpp, .cc, .cxx, .c++, .h, .hpp, .hh, .hxx, .h++ | Auto-installs for C/C++ projects |
| csharp | .cs | `.NET SDK` installed |
| dart | .dart | `dart` command available |
| deno | .ts, .tsx, .js, .jsx, .mjs | `deno` command available (auto-detects deno.json/deno.jsonc) |
| elixir-ls | .ex, .exs | `elixir` command available |
| eslint | .ts, .tsx, .js, .jsx, .mjs, .cjs, .mts, .cts, .vue | `eslint` dependency in project |
| fsharp | .fs, .fsi, .fsx, .fsscript | `.NET SDK` installed |
| gleam | .gleam | `gleam` command available |
| gopls | .go | `go` command available |
| jdtls | .java | `Java SDK (version 21+)` installed |
| lua-ls | .lua | Auto-installs for Lua projects |
| ocaml-lsp | .ml, .mli | `ocamllsp` command available |
| oxlint | .ts, .tsx, .js, .jsx, .mjs, .cjs, .mts, .cts, .vue, .astro, .svelte | `oxlint` dependency in project |
| php intelephense | .php | Auto-installs for PHP projects |
| pyright | .py, .pyi | `pyright` dependency installed |
| ruby-lsp (rubocop) | .rb, .rake, .gemspec, .ru | `ruby` and `gem` commands available |
| rust | .rs | `rust-analyzer` command available |
| sourcekit-lsp | .swift, .objc, .objcpp | `swift` installed (`xcode` on macOS) |
| svelte | .svelte | Auto-installs for Svelte projects |
| terraform | .tf, .tfvars | Auto-installs from GitHub releases |
| typescript | .ts, .tsx, .js, .jsx, .mjs, .cjs, .mts, .cts | `typescript` dependency in project |
| vue | .vue | Auto-installs for Vue projects |
| yaml-ls | .yaml, .yml | Auto-installs Red Hat yaml-language-server |
| zls | .zig, .zon | `zig` command available |

LSP servers are automatically enabled when one of the above file extensions are detected and the requirements are met.

Expand Down