oxc/crates/oxc_language_server/README.md
Alexander S. 84fcc43cf5
docs(language_server): add readme (#7429)
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# oxc_language_server
This crate provides an [LSP](https://microsoft.github.io/language-server-protocol/) Server which is used inside an editor or IDE.
## Server Capabilities
- [Text Document Synchronization](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_synchronization): `FULL`,
- Workspace
- [Workspace Folders](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#workspaceFoldersServerCapabilities): `true`
- File Operations: `false`
- [Code Actions Provider](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#codeActionKind):
- `quickfix`
## Supported LSP Specifications from Server
- [initialize](https://microsoft.github.io/language-server-protocol/specification#initialize)
- Returns the [Server Capabilities](#server-capabilities)
- [initialized](https://microsoft.github.io/language-server-protocol/specification#initialized)
- [shutdown](https://microsoft.github.io/language-server-protocol/specification#shutdown)
### Workspace
#### [workspace/didChangeConfiguration](https://microsoft.github.io/language-server-protocol/specification#workspace_didChangeConfiguration)
The server expects this request when settings like `run`, `enable` or `configPath` are changed.
The server will revalidate or reset the diagnostics for all open files and send one or more [textDocument/publishDiagnostics](#textdocumentpublishdiagnostics) requests to the client.
#### [workspace/didChangeWatchedFiles](https://microsoft.github.io/language-server-protocol/specification#workspace_didChangeWatchedFiles)
The server expects this request when the oxlint configuration is changed.
The server will revalidate the diagnostics for all open files and send one or more [textDocument/publishDiagnostics](#textdocumentpublishdiagnostics) requests to the client.
### TextDocument
#### [textDocument/didOpen](https://microsoft.github.io/language-server-protocol/specification#textDocument_didOpen)
The server will validate the file content and send a [textDocument/publishDiagnostics](#textdocumentpublishdiagnostics) request to the client.
#### [textDocument/didSave](https://microsoft.github.io/language-server-protocol/specification#textDocument_didSave)
When the configuration `run` is set to `onSave`, the server will validate the file content and send a [textDocument/publishDiagnostics](#textdocumentpublishdiagnostics) request to the client.
#### [textDocument/didChange](https://microsoft.github.io/language-server-protocol/specification#textDocument_didChange)
When the configuration `run` is set to `onType`, the server will validate the file content and send a [textDocument/publishDiagnostics](#textdocumentpublishdiagnostics) request to the client.
#### [textDocument/didClose](https://microsoft.github.io/language-server-protocol/specification#textDocument_didClose)
It will remove the reference internal.
#### [textDocument/codeAction](https://microsoft.github.io/language-server-protocol/specification#textDocument_codeAction)
Returns a list of [CodeAction](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_codeAction)
## Expected LSP Specification from Client
### TextDocument
#### [textDocument/publishDiagnostics](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_publishDiagnostics)
Returns a [PublishDiagnostic object](https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#publishDiagnosticsParams)