feat: Add kotlin lsp integration #6601
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rekram1-node
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Jan 2, 2026
JBou
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Jan 2, 2026
| export const KotlinLS: Info = { | ||
| id: "kotlin-ls", | ||
| extensions: [".kt", ".kts"], | ||
| root: NearestRoot(["build.gradle", "build.gradle.kts", "settings.gradle.kts", "pom.xml"]), |
Contributor
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Hello, thanks for your work on this. I am really looking forward to it!
But in my opinion, this currently doesn't correctly support multi-project structures, as it would detect a subproject/module as root.
I would suggest:
root: (start) =>
// 1) Nearest Gradle root (multi-project or included build)
NearestRoot(["settings.gradle.kts", "settings.gradle"])(start) ??
// 2) Gradle wrapper (strong root signal)
NearestRoot(["gradlew", "gradlew.bat"])(start) ??
// 3) Single-project or module-level build
NearestRoot(["build.gradle.kts", "build.gradle"])(start) ??
// 4) Maven fallback
NearestRoot(["pom.xml"])(start),
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good catch that should be fixed
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This pull request adds support for the Kotlin language server to the OpenCode LSP infrastructure. The main changes include updating language extension mappings and introducing logic to automatically download, install, and launch the Kotlin Language Server when needed.
Kotlin Language Server Integration
.ktand.ktsfile extensions to theLANGUAGE_EXTENSIONSmapping, associating them with the Kotlin language.KotlinLSentry inLSPServer, which detects the project root, checks for a local server installation, and downloads/releases the latest Kotlin Language Server from GitHub if not present. The implementation also handles platform and architecture compatibility, extraction, and launching of the server process.