javascript-typescript-langserver/lib/language-server.js

Implementation of the Language Server Protocol for JavaScript and TypeScript

#!/usr/bin/env node
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const opentracing_1 = require("opentracing");
const logging_1 = require("./logging");
const server_1 = require("./server");
const typescript_service_1 = require("./typescript-service");
const program = require('commander');
const packageJson = require('../package.json');
const { initTracer } = require('jaeger-client');
const defaultLspPort = 2089;
const numCPUs = require('os').cpus().length;
program
    .version(packageJson.version)
    .option('-s, --strict', 'enabled strict mode')
    .option('-p, --port [port]', 'specifies LSP port to use (' + defaultLspPort + ')', parseInt)
    .option('-c, --cluster [num]', 'number of concurrent cluster workers (defaults to number of CPUs, ' + numCPUs + ')', parseInt)
    .option('-t, --trace', 'print all requests and responses')
    .option('-l, --logfile [file]', 'log to this file')
    .option('-j, --enable-jaeger', 'enable OpenTracing through Jaeger')
    .parse(process.argv);
const options = {
    clusterSize: program.cluster || numCPUs,
    lspPort: program.port || defaultLspPort,
    strict: program.strict,
    logMessages: program.trace,
    logger: program.logfile ? new logging_1.FileLogger(program.logfile) : new logging_1.StdioLogger(),
    tracer: program.enableJaeger
        ? initTracer({ serviceName: 'javascript-typescript-langserver', sampler: { type: 'const', param: 1 } })
        : new opentracing_1.Tracer(),
};
server_1.serve(options, client => new typescript_service_1.TypeScriptService(client, options));
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