code-server/test/utils/wtfnode.ts at v4.11.0 · coder/code-server · GitHub

35 lines (31 loc) · 847 Bytes

import * as util from "util"

import * as wtfnode from "wtfnode"

// Jest seems to hijack console.log in a way that makes the output difficult to

// read. So we'll write directly to process.stderr instead.

const write = (...args: [any, ...any]) => {

if (args.length > 0) {

process.stderr.write(util.format(...args) + "\n")

}

wtfnode.setLogger("info", write)

wtfnode.setLogger("warn", write)

wtfnode.setLogger("error", write)

let active = false

/**

* Start logging open handles periodically. This can be used to see what is

* hanging open if anything.

export function setup(): void {

if (active) {

return

}

active = true

const interval = 5000

const wtfnodeDump = () => {

wtfnode.dump()

const t = setTimeout(wtfnodeDump, interval)

t.unref()

}

const t = setTimeout(wtfnodeDump, interval)

t.unref()

}

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