import * as cp from 'child_process';
import * as rpc from 'vscode-jsonrpc/node';

const server = cp.spawn('typescript-language-server', ['--stdio']);

const reader = new rpc.StreamMessageReader(server.stdout);
const writer = new rpc.StreamMessageWriter(server.stdin);

const connection = rpc.createMessageConnection(reader, writer);

connection.listen();

const textDocument = {
  uri: 'file:///path/to/your/files/index.ts',
  languageId: 'typescript',
  text: `
console.log("Hello World")
`
};

(async() => {
  await connection.sendRequest('initialize', {
    rootUri: 'file:///path/to/your/rootDir',
    capabilities: {},
    processId: process.pid,
  }).then((e) => {
    // console.log("i",e)
  });
  
  await connection.sendNotification('textDocument/didOpen', {
    textDocument: textDocument
  });
})()