AlkantarClanX12
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const { log, output, META } = require('proc-log')
const { errorMessage, getExitCodeFromError } = require('../utils/error-message.js')
class ExitHandler {
#npm = null
#process = null
#exited = false
#exitErrorMessage = false
#noNpmError = false
get #hasNpm () {
return !!this.#npm
}
get #loaded () {
return !!this.#npm?.loaded
}
get #showExitErrorMessage () {
if (!this.#loaded) {
return false
}
if (!this.#exited) {
return true
}
return this.#exitErrorMessage
}
get #notLoadedOrExited () {
return !this.#loaded && !this.#exited
}
setNpm (npm) {
this.#npm = npm
}
constructor ({ process }) {
this.#process = process
this.#process.on('exit', this.#handleProcesExitAndReset)
}
registerUncaughtHandlers () {
this.#process.on('uncaughtException', this.#handleExit)
this.#process.on('unhandledRejection', this.#handleExit)
}
exit (err) {
this.#handleExit(err)
}
#handleProcesExitAndReset = (code) => {
this.#handleProcessExit(code)
// Reset all the state. This is only relevant for tests since
// in reality the process fully exits here.
this.#process.off('exit', this.#handleProcesExitAndReset)
this.#process.off('uncaughtException', this.#handleExit)
this.#process.off('unhandledRejection', this.#handleExit)
if (this.#loaded) {
this.#npm.unload()
}
this.#npm = null
this.#exited = false
this.#exitErrorMessage = false
}
#handleProcessExit (code) {
// Force exit code to a number if it has not been set
const exitCode = typeof code === 'number' ? code : (this.#exited ? 0 : 1)
this.#process.exitCode = exitCode
if (this.#notLoadedOrExited) {
// Exit handler was not called and npm was not loaded so we have to log something
this.#logConsoleError(new Error(`Process exited unexpectedly with code: ${exitCode}`))
return
}
if (this.#logNoNpmError()) {
return
}
const os = require('node:os')
log.verbose('cwd', this.#process.cwd())
log.verbose('os', `${os.type()} ${os.release()}`)
log.verbose('node', this.#process.version)
log.verbose('npm ', `v${this.#npm.version}`)
// only show the notification if it finished
if (typeof this.#npm.updateNotification === 'string') {
log.notice('', this.#npm.updateNotification, { [META]: true, force: true })
}
if (!this.#exited) {
log.error('', 'Exit handler never called!')
log.error('', 'This is an error with npm itself. Please report this error at:')
log.error('', ' <https://github.com/npm/cli/issues>')
if (this.#npm.silent) {
output.error('')
}
}
log.verbose('exit', exitCode)
if (exitCode) {
log.verbose('code', exitCode)
} else {
log.info('ok')
}
if (this.#showExitErrorMessage) {
log.error('', this.#npm.exitErrorMessage())
}
}
#logConsoleError (err) {
// Run our error message formatters on all errors even if we
// have no npm or an unloaded npm. This will clean the error
// and possible return a formatted message about EACCESS or something.
const { summary, detail } = errorMessage(err, this.#npm)
const formatted = [...new Set([...summary, ...detail].flat().filter(Boolean))].join('\n')
// If we didn't get anything from the formatted message then just display the full stack
// eslint-disable-next-line no-console
console.error(formatted === err.message ? err.stack : formatted)
}
#logNoNpmError (err) {
if (this.#hasNpm) {
return false
}
// Make sure we only log this error once
if (!this.#noNpmError) {
this.#noNpmError = true
this.#logConsoleError(
new Error(`Exit prior to setting npm in exit handler`, err ? { cause: err } : {})
)
}
return true
}
#handleExit = (err) => {
this.#exited = true
// No npm at all
if (this.#logNoNpmError(err)) {
return this.#process.exit(this.#process.exitCode || getExitCodeFromError(err) || 1)
}
// npm was never loaded but we still might have a config loading error or
// something similar that we can run through the error message formatter
// to give the user a clue as to what happened.s
if (!this.#loaded) {
this.#logConsoleError(new Error('Exit prior to config file resolving', { cause: err }))
return this.#process.exit(this.#process.exitCode || getExitCodeFromError(err) || 1)
}
this.#exitErrorMessage = err?.suppressError === true ? false : !!err
// Prefer the exit code of the error, then the current process exit code,
// then set it to 1 if we still have an error. Otherwise we call process.exit
// with undefined so that it can determine the final exit code
const exitCode = err?.exitCode ?? this.#process.exitCode ?? (err ? 1 : undefined)
// explicitly call process.exit now so we don't hang on things like the
// update notifier, also flush stdout/err beforehand because process.exit doesn't
// wait for that to happen.
this.#process.stderr.write('', () => this.#process.stdout.write('', () => {
this.#process.exit(exitCode)
}))
}
}
module.exports = ExitHandler