FM / lib

/snap/node/11782/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/

/snap/node/11782/lib/node_modules/npm/node_modules/@npmcli/arborist/lib

Name	Size	Mode	Actions
arborist/	-	0755	rm
add-rm-pkg-deps.js	5008	0644	edit dl rm
audit-report.js	12232	0644	edit dl rm
calc-dep-flags.js	3506	0644	edit dl rm
can-place-dep.js	14273	0644	edit dl rm
case-insensitive-map.js	1239	0644	edit dl rm
consistent-resolve.js	1296	0644	edit dl rm
debug.js	1282	0644	edit dl rm
deepest-nesting-target.js	691	0644	edit dl rm
dep-valid.js	5125	0644	edit dl rm
diff.js	10005	0644	edit dl rm
edge.js	6784	0644	edit dl rm
from-path.js	1095	0644	edit dl rm
gather-dep-set.js	1286	0644	edit dl rm
index.js	273	0644	edit dl rm
inventory.js	3321	0644	edit dl rm
isolated-classes.js	2717	0644	edit dl rm
link.js	3114	0644	edit dl rm
node.js	44529	0644	edit dl rm
optional-set.js	1353	0644	edit dl rm
override-resolves.js	225	0644	edit dl rm
override-set.js	8567	0644	edit dl rm
packument-cache.js	2556	0644	edit dl rm
peer-entry-sets.js	2632	0644	edit dl rm
place-dep.js	20226	0644	edit dl rm
printable.js	5222	0644	edit dl rm
query-selector-all.js	29903	0644	edit dl rm
realpath.js	2655	0644	edit dl rm
relpath.js	136	0644	edit dl rm
reset-dep-flags.js	638	0644	edit dl rm
retire-path.js	501	0644	edit dl rm
shrinkwrap.js	37711	0644	edit dl rm
signal-handling.js	2245	0644	edit dl rm
signals.js	1381	0644	edit dl rm
spec-from-lock.js	874	0644	edit dl rm
tracker.js	2991	0644	edit dl rm
tree-check.js	4142	0644	edit dl rm
version-from-tgz.js	1488	0644	edit dl rm
vuln.js	5958	0644	edit dl rm
yarn-lock.js	10813	0644	edit dl rm

Edit: /snap/node/11782/lib/node_modules/npm/node_modules/@npmcli/arborist/lib/signal-handling.js (2245B)

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
}

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