Gecko [ c.stage.kornherr.net ]

Name	Size	Permission	Date
arborist	[ DIR ]	drwxr-xr-x	2024-07-10 10:56
add-rm-pkg-deps.js	4.89 KB	-rw-r--r--	2023-11-23 07:39
audit-report.js	11.99 KB	-rw-r--r--	2023-11-23 07:39
calc-dep-flags.js	3.07 KB	-rw-r--r--	2023-11-23 07:39
can-place-dep.js	13.94 KB	-rw-r--r--	2023-11-23 07:39
case-insensitive-map.js	1.32 KB	-rw-r--r--	2023-11-23 07:39
consistent-resolve.js	1.29 KB	-rw-r--r--	2023-11-23 07:39
debug.js	1.2 KB	-rw-r--r--	2023-11-23 07:39
deepest-nesting-target.js	691 B	-rw-r--r--	2023-11-23 07:39
dep-valid.js	4.94 KB	-rw-r--r--	2023-11-23 07:39
diff.js	9.57 KB	-rw-r--r--	2023-11-23 07:39
edge.js	6.83 KB	-rw-r--r--	2023-11-23 07:39
from-path.js	1.04 KB	-rw-r--r--	2023-11-23 07:39
gather-dep-set.js	1.26 KB	-rw-r--r--	2023-11-23 07:39
get-workspace-nodes.js	863 B	-rw-r--r--	2023-11-23 07:39
index.js	353 B	-rw-r--r--	2023-11-23 07:39
inventory.js	3.2 KB	-rw-r--r--	2023-11-23 07:39
link.js	3 KB	-rw-r--r--	2023-11-23 07:39
node.js	43.21 KB	-rw-r--r--	2023-11-23 07:39
optional-set.js	1.32 KB	-rw-r--r--	2023-11-23 07:39
override-resolves.js	230 B	-rw-r--r--	2023-11-23 07:39
override-set.js	2.42 KB	-rw-r--r--	2023-11-23 07:39
peer-entry-sets.js	2.57 KB	-rw-r--r--	2023-11-23 07:39
place-dep.js	19.7 KB	-rw-r--r--	2023-11-23 07:39
printable.js	5.09 KB	-rw-r--r--	2023-11-23 07:39
query-selector-all.js	26.17 KB	-rw-r--r--	2023-11-23 07:39
realpath.js	2.58 KB	-rw-r--r--	2023-11-23 07:39
relpath.js	131 B	-rw-r--r--	2023-11-23 07:39
reset-dep-flags.js	638 B	-rw-r--r--	2023-11-23 07:39
retire-path.js	491 B	-rw-r--r--	2023-11-23 07:39
shrinkwrap.js	36.6 KB	-rw-r--r--	2023-11-23 07:39
signal-handling.js	2.19 KB	-rw-r--r--	2023-11-23 07:39
signals.js	1.35 KB	-rw-r--r--	2023-11-23 07:39
spec-from-lock.js	874 B	-rw-r--r--	2023-11-23 07:39
tracker.js	3.29 KB	-rw-r--r--	2023-11-23 07:39
tree-check.js	4.02 KB	-rw-r--r--	2023-11-23 07:39
version-from-tgz.js	1.45 KB	-rw-r--r--	2023-11-23 07:39
vuln.js	5.93 KB	-rw-r--r--	2023-11-23 07:39
yarn-lock.js	10.58 KB	-rw-r--r--	2023-11-23 07:39

Rename

const signals = require('./signals.js')

// for testing, expose the process being used
module.exports = Object.assign(fn => setup(fn), { process })

// do all of this in a setup function so that we can call it
// multiple times for multiple reifies that might be going on.
// Otherwise, Arborist.reify() is a global action, which is a
// new constraint we'd be adding with this behavior.
const setup = fn => {
  const { process } = module.exports

const sigListeners = { loaded: false }

const unload = () => {
    if (!sigListeners.loaded) {
      return
    }
    for (const sig of signals) {
      try {
        process.removeListener(sig, sigListeners[sig])
      } catch {
        // ignore errors
      }
    }
    process.removeListener('beforeExit', onBeforeExit)
    sigListeners.loaded = false
  }

const onBeforeExit = () => {
    // this trick ensures that we exit with the same signal we caught
    // Ie, if you press ^C and npm gets a SIGINT, we'll do the rollback
    // and then exit with a SIGINT signal once we've removed the handler.
    // The timeout is there because signals are asynchronous, so we need
    // the process to NOT exit on its own, which means we have to have
    // something keeping the event loop looping.  Hence this hack.
    unload()
    process.kill(process.pid, signalReceived)
    setTimeout(() => {}, 500)
  }

let signalReceived = null
  const listener = (sig, fn) => () => {
    signalReceived = sig

// if we exit normally, but caught a signal which would have been fatal,
    // then re-send it once we're done with whatever cleanup we have to do.
    unload()
    if (process.listeners(sig).length < 1) {
      process.once('beforeExit', onBeforeExit)
    }

fn({ signal: sig })
  }

// do the actual loading here
  for (const sig of signals) {
    sigListeners[sig] = listener(sig, fn)
    const max = process.getMaxListeners()
    try {
      // if we call this a bunch of times, avoid triggering the warning
      const { length } = process.listeners(sig)
      if (length >= max) {
        process.setMaxListeners(length + 1)
      }
      process.on(sig, sigListeners[sig])
    } catch {
      // ignore errors
    }
  }
  sigListeners.loaded = true

return unload
}