LSPs

Monorepo of packages related to LSP.

Packages

@qualified/vscode-jsonrpc-ws
- Create VSCode JSON RPC MessageConnection over WebSocket
@qualified/vscode-jsonrpc-ww
- Create VSCode JSON RPC MessageConnection to Web Worker
@qualified/lsp-connection
- VSCode JSON RPC MessageConnection wrapper for LSP messages
@qualified/codemirror-workspace
- Provides intelligence to CodeMirror editors

Demo

Example with Rust Analyzer:

The styling definitely needs work, but the above shows:

Realtime diagnostics
Completion with items from the server
Fuzzy matching (e.g., prl to println!)
Completion items with Markdown docs
Completion items with icons for each kind
Hover information with Markdown docs

Simple snippets are supported as well:

See examples/rust-analyzer to run this locally.

See examples/rust-analyzer-sync to run this locally with an ability to save the changes to disk.

See examples/web-worker for an example with simple JSON Language Server running in Web Worker. A live demo is also available at https://qualified.github.io/lsps/.

See examples/html-css-ts for a simple demo project with TypeScript + CSS + HTML editors.

Tools

lsp-ws-proxy: WebSocketify any Language Server. lsp-ws-proxy -- langserver --stdio

Capabilities

Text Document

synchronization
- didOpen
- didChange
  - Full text change
  - Incremental text change
- willSave
- willSaveWaitUntil
- didSave
- didClose
completion
- insertText
- additionalTextEdits
- textEdit
- InsertTextFormat.Snippet
- documentation
- command
- tags
hover
signatureHelp
Goto
- declaration
- definition
- typeDefinition
- implementation
references
documentHighlight
documentSymbol
codeAction
codeLens
documentLink
colorProvider
Formatting
- formatting
- rangeFormatting
- onTypeFormatting
rename
foldingRange
selectionRange
publishDiagnostics
callHierarchy

Workspace

applyEdit
workspaceEdit
didChangeConfiguration
didChangeWatchedFiles
symbol
executeCommand

Window

workDoneProgress

License