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vscode-languageserver-protocol

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vscode-languageserver-protocol

VSCode Language Server Protocol implementation

  • 3.5.0-next.3
  • Source
  • npm
  • Socket score

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increased by6.68%
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What is vscode-languageserver-protocol?

The vscode-languageserver-protocol npm package provides the necessary protocols to implement a language server that communicates with development environments like Visual Studio Code. It defines the protocol used between an editor or IDE and a language server that provides language features like auto-complete, go to definition, or find all references.

What are vscode-languageserver-protocol's main functionalities?

Defining Language Server Capabilities

This code sample demonstrates how to define the capabilities of a language server, such as synchronization, completion, and definition lookup.

{"capabilities": {"textDocumentSync": 1, "completionProvider": {"resolveProvider": true, "triggerCharacters": [".", "{"]}, "definitionProvider": true}}

Handling Language Server Initialization

This code sample shows how to handle the initialization request from a client to a language server, specifying the process ID, root path, client capabilities, and trace settings.

{"jsonrpc": "2.0", "id": 1, "method": "initialize", "params": {"processId": null, "rootPath": null, "capabilities": {}, "trace": "off"}}

Sending Diagnostics to the Client

This code sample illustrates how a language server can send diagnostics (such as errors or warnings) to the client for a specific document.

{"jsonrpc": "2.0", "method": "textDocument/publishDiagnostics", "params": {"uri": "file:///path/to/file", "diagnostics": [{"range": {"start": {"line": 0, "character": 0}, "end": {"line": 0, "character": 1}}, "severity": 1, "message": "Error message"}]}}

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Package last updated on 02 Oct 2017

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