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module.exports = errorHandler
var cbCalled = false
var log = require('npmlog')
var npm = require('../npm.js')
var rm = require('rimraf')
var itWorked = false
var path = require('path')
var wroteLogFile = false
var exitCode = 0
var rollbacks = npm.rollbacks
var chain = require('slide').chain
var writeStream = require('fs-write-stream-atomic')
var nameValidator = require('validate-npm-package-name')
process.on('exit', function (code) {
log.disableProgress()
if (!npm.config || !npm.config.loaded) return
if (code) itWorked = false
if (itWorked) log.info('ok')
else {
if (!cbCalled) {
log.error('', 'cb() never called!')
}
if (wroteLogFile) {
// just a line break
if (log.levels[log.level] <= log.levels.error) console.error('')
log.error(
'',
[
'Please include the following file with any support request:',
' ' + path.resolve('npm-debug.log')
].join('\n')
)
wroteLogFile = false
}
if (code) {
log.error('code', code)
}
}
var doExit = npm.config.get('_exit')
if (doExit) {
// actually exit.
if (exitCode === 0 && !itWorked) {
exitCode = 1
}
if (exitCode !== 0) process.exit(exitCode)
} else {
itWorked = false // ready for next exit
}
})
function exit (code, noLog) {
exitCode = exitCode || process.exitCode || code
var doExit = npm.config ? npm.config.get('_exit') : true
log.verbose('exit', [code, doExit])
if (log.level === 'silent') noLog = true
if (rollbacks.length) {
chain(rollbacks.map(function (f) {
return function (cb) {
npm.commands.unbuild([f], true, cb)
}
}), function (er) {
if (er) {
log.error('error rolling back', er)
if (!code) errorHandler(er)
else if (noLog) rm('npm-debug.log', reallyExit.bind(null, er))
else writeLogFile(reallyExit.bind(this, er))
} else {
if (!noLog && code) writeLogFile(reallyExit)
else rm('npm-debug.log', reallyExit)
}
})
rollbacks.length = 0
}
else if (code && !noLog) writeLogFile(reallyExit)
else rm('npm-debug.log', reallyExit)
function reallyExit (er) {
if (er && !code) code = typeof er.errno === 'number' ? er.errno : 1
// truncate once it's been written.
log.record.length = 0
itWorked = !code
// just emit a fake exit event.
// if we're really exiting, then let it exit on its own, so that
// in-process stuff can finish or clean up first.
if (!doExit) process.emit('exit', code)
}
}
function errorHandler (er) {
log.disableProgress()
// console.error('errorHandler', er)
if (!npm.config || !npm.config.loaded) {
// logging won't work unless we pretend that it's ready
er = er || new Error('Exit prior to config file resolving.')
console.error(er.stack || er.message)
}
if (cbCalled) {
er = er || new Error('Callback called more than once.')
}
cbCalled = true
if (!er) return exit(0)
if (typeof er === 'string') {
log.error('', er)
return exit(1, true)
} else if (!(er instanceof Error)) {
log.error('weird error', er)
return exit(1, true)
}
var m = er.code || er.message.match(/^(?:Error: )?(E[A-Z]+)/)
if (m && !er.code) {
er.code = m
}
;[
'type',
'fstream_path',
'fstream_unc_path',
'fstream_type',
'fstream_class',
'fstream_finish_call',
'fstream_linkpath',
'stack',
'fstream_stack',
'statusCode',
'pkgid'
].forEach(function (k) {
var v = er[k]
if (!v) return
if (k === 'fstream_stack') v = v.join('\n')
log.verbose(k, v)
})
log.verbose('cwd', process.cwd())
var os = require('os')
// log.error('System', os.type() + ' ' + os.release())
// log.error('command', process.argv.map(JSON.stringify).join(' '))
// log.error('node -v', process.version)
// log.error('npm -v', npm.version)
log.error('', os.type() + ' ' + os.release())
log.error('argv', process.argv.map(JSON.stringify).join(' '))
log.error('node', process.version)
log.error('npm ', 'v' + npm.version)
;[
'file',
'path',
'code',
'errno',
'syscall'
].forEach(function (k) {
var v = er[k]
if (v) log.error(k, v)
})
// just a line break
if (log.levels[log.level] <= log.levels.error) console.error('')
switch (er.code) {
case 'ECONNREFUSED':
log.error('', er)
log.error(
'',
[
'\nIf you are behind a proxy, please make sure that the',
"'proxy' config is set properly. See: 'npm help config'"
].join('\n')
)
break
case 'EACCES':
case 'EPERM':
log.error('', er)
log.error('', ['\nPlease try running this command again as root/Administrator.'
].join('\n'))
break
case 'ELIFECYCLE':
log.error('', er.message)
log.error(
'',
[
'',
'Failed at the ' + er.pkgid + ' ' + er.stage + " script '" + er.script + "'.",
'Make sure you have the latest version of node.js and npm installed.',
'If you do, this is most likely a problem with the ' + er.pkgname + ' package,',
'not with npm itself.',
'Tell the author that this fails on your system:',
' ' + er.script,
'You can get their info via:',
' npm owner ls ' + er.pkgname,
'There is likely additional logging output above.'
].join('\n')
)
break
case 'ENOGIT':
log.error('', er.message)
log.error(
'',
[
'',
'Failed using git.',
'This is most likely not a problem with npm itself.',
'Please check if you have git installed and in your PATH.'
].join('\n')
)
break
case 'EJSONPARSE':
log.error('', er.message)
log.error('', 'File: ' + er.file)
log.error(
'',
[
'Failed to parse package.json data.',
'package.json must be actual JSON, not just JavaScript.',
'',
'This is not a bug in npm.',
'Tell the package author to fix their package.json file.'
].join('\n'),
'JSON.parse'
)
break
// TODO(isaacs)
// Add a special case here for E401 and E403 explaining auth issues?
case 'E404':
var msg = [er.message]
if (er.pkgid && er.pkgid !== '-') {
msg.push('', "'" + er.pkgid + "' is not in the npm registry.")
var valResult = nameValidator(er.pkgid)
if (valResult.validForNewPackages) {
msg.push('You should bug the author to publish it (or use the name yourself!)')
} else {
msg.push('Your package name is not valid, because', '')
var errorsArray = (valResult.errors || []).concat(valResult.warnings || [])
errorsArray.forEach(function (item, idx) {
msg.push(' ' + (idx + 1) + '. ' + item)
})
}
if (er.parent) {
msg.push("It was specified as a dependency of '" + er.parent + "'")
}
msg.push(
'\nNote that you can also install from a',
'tarball, folder, http url, or git url.'
)
}
// There's no need to have 404 in the message as well.
msg[0] = msg[0].replace(/^404\s+/, '')
log.error('404', msg.join('\n'))
break
case 'EPUBLISHCONFLICT':
log.error(
'publish fail',
[
'Cannot publish over existing version.',
"Update the 'version' field in package.json and try again.",
'',
'To automatically increment version numbers, see:',
' npm help version'
].join('\n')
)
break
case 'EISGIT':
log.error(
'git',
[
er.message,
' ' + er.path,
'Refusing to remove it. Update manually,',
'or move it out of the way first.'
].join('\n')
)
break
case 'ECYCLE':
log.error(
'cycle',
[
er.message,
'While installing: ' + er.pkgid,
'Found a pathological dependency case that npm cannot solve.',
'Please report this to the package author.'
].join('\n')
)
break
case 'EBADPLATFORM':
log.error(
'notsup',
[
er.message,
'Not compatible with your operating system or architecture: ' + er.pkgid,
'Valid OS: ' + er.os.join(','),
'Valid Arch: ' + er.cpu.join(','),
'Actual OS: ' + process.platform,
'Actual Arch: ' + process.arch
].join('\n')
)
break
case 'EEXIST':
log.error(
[
er.message,
'File exists: ' + er.path,
'Move it away, and try again.'
].join('\n')
)
break
case 'ENEEDAUTH':
log.error(
'need auth',
[
er.message,
'You need to authorize this machine using `npm adduser`'
].join('\n')
)
break
case 'EPEERINVALID':
var peerErrors = Object.keys(er.peersDepending).map(function (peer) {
return 'Peer ' + peer + ' wants ' +
er.packageName + '@' + er.peersDepending[peer]
})
log.error('peerinvalid', [er.message].concat(peerErrors).join('\n'))
break
case 'ECONNRESET':
case 'ENOTFOUND':
case 'ETIMEDOUT':
case 'EAI_FAIL':
log.error(
'network',
[
er.message,
'This is most likely not a problem with npm itself',
'and is related to network connectivity.',
'In most cases you are behind a proxy or have bad network settings.',
'\nIf you are behind a proxy, please make sure that the',
"'proxy' config is set properly. See: 'npm help config'"
].join('\n')
)
break
case 'ENOPACKAGEJSON':
log.error(
'package.json',
[
er.message,
'This is most likely not a problem with npm itself.',
"npm can't find a package.json file in your current directory."
].join('\n')
)
break
case 'ETARGET':
msg = [
er.message,
'This is most likely not a problem with npm itself.',
'In most cases you or one of your dependencies are requesting',
"a package version that doesn't exist."
]
if (er.parent) {
msg.push("\nIt was specified as a dependency of '" + er.parent + "'\n")
}
log.error('notarget', msg.join('\n'))
break
case 'ENOTSUP':
if (er.required) {
log.error(
'notsup',
[
er.message,
'Not compatible with your version of node/npm: ' + er.pkgid,
'Required: ' + JSON.stringify(er.required),
'Actual: ' + JSON.stringify({
npm: npm.version,
node: npm.config.get('node-version')
})
].join('\n')
)
break
} // else passthrough
/*eslint no-fallthrough:0*/
case 'ENOSPC':
log.error(
'nospc',
[
er.message,
'This is most likely not a problem with npm itself',
'and is related to insufficient space on your system.'
].join('\n')
)
break
case 'EROFS':
log.error(
'rofs',
[
er.message,
'This is most likely not a problem with npm itself',
'and is related to the file system being read-only.',
'\nOften virtualized file systems, or other file systems',
"that don't support symlinks, give this error."
].join('\n')
)
break
case 'ENOENT':
log.error(
'enoent',
[
er.message,
'This is most likely not a problem with npm itself',
'and is related to npm not being able to find a file.',
er.file ? "\nCheck if the file '" + er.file + "' is present." : ''
].join('\n')
)
break
case 'EMISSINGARG':
case 'EUNKNOWNTYPE':
case 'EINVALIDTYPE':
case 'ETOOMANYARGS':
log.error(
'typeerror',
[
er.stack,
'This is an error with npm itself. Please report this error at:',
' <http://github.com/npm/npm/issues>'
].join('\n')
)
break
case 'EISDIR':
log.error(
'eisdir',
[
er.message,
'This is most likely not a problem with npm itself',
'and is related to npm not being able to find a package.json in',
'a package you are trying to install.'
].join('\n')
)
break
default:
log.error('', er.message || er)
log.error(
'',
[
'',
'If you need help, you may report this error at:',
' <https://github.com/npm/npm/issues>'
].join('\n')
)
break
}
exit(typeof er.errno === 'number' ? er.errno : 1)
}
var writingLogFile = false
function writeLogFile (cb) {
if (writingLogFile) return cb()
writingLogFile = true
wroteLogFile = true
var fstr = writeStream('npm-debug.log')
var os = require('os')
var out = ''
log.record.forEach(function (m) {
var pref = [m.id, m.level]
if (m.prefix) pref.push(m.prefix)
pref = pref.join(' ')
m.message.trim().split(/\r?\n/).map(function (line) {
return (pref + ' ' + line).trim()
}).forEach(function (line) {
out += line + os.EOL
})
})
fstr.end(out)
fstr.on('close', cb)
}