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const { format } = require('util')
const { resolve } = require('path')
const nameValidator = require('validate-npm-package-name')
const npmlog = require('npmlog')
const replaceInfo = require('./replace-info.js')
const { report } = require('./explain-eresolve.js')
module.exports = (er, npm) => {
const short = []
const detail = []
if (er.message)
er.message = replaceInfo(er.message)
if (er.stack)
er.stack = replaceInfo(er.stack)
switch (er.code) {
case 'ERESOLVE':
short.push(['ERESOLVE', er.message])
detail.push(['', ''])
detail.push(['', report(er, npm.color, resolve(npm.cache, 'eresolve-report.txt'))])
break
case 'ENOLOCK': {
const cmd = npm.command || ''
short.push([cmd, 'This command requires an existing lockfile.'])
detail.push([cmd, 'Try creating one first with: npm i --package-lock-only'])
detail.push([cmd, `Original error: ${er.message}`])
break
}
case 'ENOAUDIT':
short.push(['audit', er.message])
break
case 'ECONNREFUSED':
short.push(['', er])
detail.push([
'',
[
'\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': {
const isCachePath = typeof er.path === 'string' &&
npm.config.loaded && er.path.startsWith(npm.config.get('cache'))
const isCacheDest = typeof er.dest === 'string' &&
npm.config.loaded && er.dest.startsWith(npm.config.get('cache'))
const isWindows = require('./is-windows.js')
if (!isWindows && (isCachePath || isCacheDest)) {
// user probably doesn't need this, but still add it to the debug log
npmlog.verbose(er.stack)
short.push([
'',
[
'',
'Your cache folder contains root-owned files, due to a bug in',
'previous versions of npm which has since been addressed.',
'',
'To permanently fix this problem, please run:',
` sudo chown -R ${process.getuid()}:${process.getgid()} ${JSON.stringify(npm.config.get('cache'))}`,
].join('\n'),
])
} else {
short.push(['', er])
detail.push([
'',
[
'\nThe operation was rejected by your operating system.',
(isWindows
? 'It\'s possible that the file was already in use (by a text editor or antivirus),\n' +
'or that you lack permissions to access it.'
: 'It is likely you do not have the permissions to access this file as the current user'),
'\nIf you believe this might be a permissions issue, please double-check the',
'permissions of the file and its containing directories, or try running',
'the command again as root/Administrator.',
].join('\n')])
}
break
}
case 'ENOGIT':
short.push(['', er.message])
detail.push([
'',
[
'',
'Failed using git.',
'Please check if you have git installed and in your PATH.',
].join('\n'),
])
break
case 'EJSONPARSE':
// Check whether we ran into a conflict in our own package.json
if (er.file === resolve(npm.prefix, 'package.json')) {
const { isDiff } = require('parse-conflict-json')
const txt = require('fs').readFileSync(er.file, 'utf8')
.replace(/\r\n/g, '\n')
if (isDiff(txt)) {
detail.push([
'',
[
'Merge conflict detected in your package.json.',
'',
'Please resolve the package.json conflict and retry the command:',
'',
`$ ${process.argv.join(' ')}`,
].join('\n'),
])
break
}
}
short.push(['JSON.parse', er.message])
detail.push([
'JSON.parse',
[
'Failed to parse JSON data.',
'Note: package.json must be actual JSON, not just JavaScript.',
].join('\n'),
])
break
case 'EOTP':
case 'E401':
// E401 is for places where we accidentally neglect OTP stuff
if (er.code === 'EOTP' || /one-time pass/.test(er.message)) {
short.push(['', 'This operation requires a one-time password from your authenticator.'])
detail.push([
'',
[
'You can provide a one-time password by passing --otp=<code> to the command you ran.',
'If you already provided a one-time password then it is likely that you either typoed',
'it, or it timed out. Please try again.',
].join('\n'),
])
} else {
// npm ERR! code E401
// npm ERR! Unable to authenticate, need: Basic
const auth = !er.headers || !er.headers['www-authenticate'] ? []
: er.headers['www-authenticate'].map((au) => au.split(/[,\s]+/))[0]
if (auth.includes('Bearer')) {
short.push(['', 'Unable to authenticate, your authentication token seems to be invalid.'])
detail.push([
'',
[
'To correct this please trying logging in again with:',
' npm login',
].join('\n'),
])
} else if (auth.includes('Basic')) {
short.push(['', 'Incorrect or missing password.'])
detail.push([
'',
[
'If you were trying to login, change your password, create an',
'authentication token or enable two-factor authentication then',
'that means you likely typed your password in incorrectly.',
'Please try again, or recover your password at:',
' https://www.npmjs.com/forgot',
'',
'If you were doing some other operation then your saved credentials are',
'probably out of date. To correct this please try logging in again with:',
' npm login',
].join('\n'),
])
} else
short.push(['', er.message || er])
}
break
case 'E404':
// There's no need to have 404 in the message as well.
short.push(['404', er.message.replace(/^404\s+/, '')])
if (er.pkgid && er.pkgid !== '-') {
const pkg = er.pkgid.replace(/(?!^)@.*$/, '')
detail.push(['404', ''])
detail.push(['404', '', "'" + er.pkgid + "' is not in the npm registry."])
const valResult = nameValidator(pkg)
if (valResult.validForNewPackages)
detail.push(['404', 'You should bug the author to publish it (or use the name yourself!)'])
else {
detail.push(['404', 'This package name is not valid, because', ''])
const errorsArray = [
...(valResult.errors || []),
...(valResult.warnings || []),
]
errorsArray.forEach((item, idx) => detail.push([
'404',
' ' + (idx + 1) + '. ' + item,
]))
}
detail.push(['404', '\nNote that you can also install from a'])
detail.push(['404', 'tarball, folder, http url, or git url.'])
}
break
case 'EPUBLISHCONFLICT':
short.push(['publish fail', 'Cannot publish over existing version.'])
detail.push(['publish fail', "Update the 'version' field in package.json and try again."])
detail.push(['publish fail', ''])
detail.push(['publish fail', 'To automatically increment version numbers, see:'])
detail.push(['publish fail', ' npm help version'])
break
case 'EISGIT':
short.push(['git', er.message])
short.push(['git', ' ' + er.path])
detail.push([
'git',
[
'Refusing to remove it. Update manually,',
'or move it out of the way first.',
].join('\n'),
])
break
case 'EBADPLATFORM': {
const validOs = er.required &&
er.required.os &&
er.required.os.join ? er.required.os.join(',') : er.required.os
const validArch = er.required &&
er.required.cpu &&
er.required.cpu.join ? er.required.cpu.join(',') : er.required.cpu
const expected = { os: validOs, arch: validArch }
const actual = { os: process.platform, arch: process.arch }
short.push([
'notsup',
[
format('Unsupported platform for %s: wanted %j (current: %j)', er.pkgid, expected, actual),
].join('\n'),
])
detail.push([
'notsup',
[
'Valid OS: ' + validOs,
'Valid Arch: ' + validArch,
'Actual OS: ' + process.platform,
'Actual Arch: ' + process.arch,
].join('\n'),
])
break
}
case 'EEXIST':
short.push(['', er.message])
short.push(['', 'File exists: ' + (er.dest || er.path)])
detail.push(['', 'Remove the existing file and try again, or run npm'])
detail.push(['', 'with --force to overwrite files recklessly.'])
break
case 'ENEEDAUTH':
short.push(['need auth', er.message])
detail.push(['need auth', 'You need to authorize this machine using `npm adduser`'])
break
case 'ECONNRESET':
case 'ENOTFOUND':
case 'ETIMEDOUT':
case 'ERR_SOCKET_TIMEOUT':
case 'EAI_FAIL':
short.push(['network', er.message])
detail.push([
'network',
[
'This is a problem 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 'ETARGET':
short.push(['notarget', er.message])
detail.push(['notarget', [
'In most cases you or one of your dependencies are requesting',
"a package version that doesn't exist.",
].join('\n')])
break
case 'E403':
short.push(['403', er.message])
detail.push(['403', [
'In most cases, you or one of your dependencies are requesting',
'a package version that is forbidden by your security policy, or',
'on a server you do not have access to.',
].join('\n')])
break
case 'EBADENGINE':
short.push(['engine', er.message])
short.push(['engine', 'Not compatible with your version of node/npm: ' + er.pkgid])
detail.push([
'notsup',
[
'Not compatible with your version of node/npm: ' + er.pkgid,
'Required: ' + JSON.stringify(er.required),
'Actual: ' + JSON.stringify({
npm: npm.version,
node: npm.config.loaded ? npm.config.get('node-version') : process.version,
}),
].join('\n'),
])
break
case 'ENOSPC':
short.push(['nospc', er.message])
detail.push([
'nospc',
[
'There appears to be insufficient space on your system to finish.',
'Clear up some disk space and try again.',
].join('\n'),
])
break
case 'EROFS':
short.push(['rofs', er.message])
detail.push([
'rofs',
[
'Often virtualized file systems, or other file systems',
"that don't support symlinks, give this error.",
].join('\n'),
])
break
case 'ENOENT':
short.push(['enoent', er.message])
detail.push([
'enoent',
[
'This 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':
short.push(['typeerror', er.stack])
detail.push([
'typeerror',
[
'This is an error with npm itself. Please report this error at:',
' https://github.com/npm/cli/issues',
].join('\n'),
])
break
default:
short.push(['', er.message || er])
if (er.signal)
detail.push(['signal', er.signal])
if (er.cmd && Array.isArray(er.args))
detail.push(['command', ...[er.cmd, ...er.args]])
if (er.stdout)
detail.push(['', er.stdout.trim()])
if (er.stderr)
detail.push(['', er.stderr.trim()])
break
}
return { summary: short, detail: detail }
}