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Filename :
exit-handler.js
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const { log, output, META } = require('proc-log') const errorMessage = require('../utils/error-message.js') const { redactLog: replaceInfo } = require('@npmcli/redact') let npm = null // set by the cli let exitHandlerCalled = false let showLogFileError = false process.on('exit', code => { const hasLoadedNpm = npm?.config.loaded if (!code) { log.info('ok') } else { log.verbose('code', code) } if (!exitHandlerCalled) { process.exitCode = code || 1 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>') // eslint-disable-next-line no-console console.error('') showLogFileError = true } // npm must be loaded to know where the log file was written if (hasLoadedNpm) { npm.finish({ showLogFileError }) // This removes any listeners npm setup, mostly for tests to avoid max listener warnings npm.unload() } // these are needed for the tests to have a clean slate in each test case exitHandlerCalled = false showLogFileError = false }) const exitHandler = err => { exitHandlerCalled = true const hasLoadedNpm = npm?.config.loaded if (!npm) { err = err || new Error('Exit prior to setting npm in exit handler') // Don't use proc-log here since npm was never set // eslint-disable-next-line no-console console.error(err.stack || err.message) return process.exit(1) } if (!hasLoadedNpm) { err = err || new Error('Exit prior to config file resolving.') // Don't use proc-log here since npm was never loaded // eslint-disable-next-line no-console console.error(err.stack || err.message) } // only show the notification if it finished. if (typeof npm.updateNotification === 'string') { log.notice('', npm.updateNotification, { [META]: true, force: true }) } let exitCode = process.exitCode || 0 let noLogMessage = exitCode !== 0 let jsonError if (err) { exitCode = 1 // if we got a command that just shells out to something else, then it // will presumably print its own errors and exit with a proper status // code if there's a problem. If we got an error with a code=0, then... // something else went wrong along the way, so maybe an npm problem? const isShellout = npm.isShellout const quietShellout = isShellout && typeof err.code === 'number' && err.code if (quietShellout) { exitCode = err.code noLogMessage = true } else if (typeof err === 'string') { // XXX: we should stop throwing strings log.error('', err) noLogMessage = true } else if (!(err instanceof Error)) { log.error('weird error', err) noLogMessage = true } else { const os = require('node:os') const fs = require('node:fs') if (!err.code) { const matchErrorCode = err.message.match(/^(?:Error: )?(E[A-Z]+)/) err.code = matchErrorCode && matchErrorCode[1] } for (const k of ['type', 'stack', 'statusCode', 'pkgid']) { const v = err[k] if (v) { log.verbose(k, replaceInfo(v)) } } log.verbose('cwd', process.cwd()) log.verbose('', os.type() + ' ' + os.release()) log.verbose('node', process.version) log.verbose('npm ', 'v' + npm.version) for (const k of ['code', 'syscall', 'file', 'path', 'dest', 'errno']) { const v = err[k] if (v) { log.error(k, v) } } const { summary, detail, json, files = [] } = errorMessage(err, npm) jsonError = json for (let [file, content] of files) { file = `${npm.logPath}${file}` content = `'Log files:\n${npm.logFiles.join('\n')}\n\n${content.trim()}\n` try { fs.writeFileSync(file, content) detail.push(['', `\n\nFor a full report see:\n${file}`]) } catch (logFileErr) { log.warn('', `Could not write error message to ${file} due to ${logFileErr}`) } } for (const errline of [...summary, ...detail]) { log.error(...errline) } if (typeof err.errno === 'number') { exitCode = err.errno } else if (typeof err.code === 'number') { exitCode = err.code } } } if (hasLoadedNpm) { output.flush({ [META]: true, jsonError }) } log.verbose('exit', exitCode || 0) showLogFileError = (hasLoadedNpm && npm.silent) || noLogMessage ? false : !!exitCode // 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. let flushed = 0 const flush = [process.stderr, process.stdout] const exit = () => ++flushed === flush.length && process.exit(exitCode) flush.forEach((f) => f.write('', exit)) } module.exports = exitHandler module.exports.setNpm = n => (npm = n)