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language-server.ts
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38 lines (33 loc) · 1.49 KB
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#!/usr/bin/env node
import { Tracer } from 'opentracing'
import { ExtendedTypescriptService } from './extended-typescript-service';
import { FileLogger, StdioLogger } from './logging'
import { serve, ServeOptions } from './server'
import { TypeScriptServiceOptions } from './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('-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: ServeOptions & TypeScriptServiceOptions = {
clusterSize: program.cluster || numCPUs,
lspPort: program.port || defaultLspPort,
logMessages: program.trace,
logger: program.logfile ? new FileLogger(program.logfile) : new StdioLogger(),
tracer: program.enableJaeger
? initTracer({ serviceName: 'javascript-typescript-langserver', sampler: { type: 'const', param: 1 } })
: new Tracer(),
}
serve(options, client => new ExtendedTypescriptService(client, options))