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Mini Shell
Mini Shell
const cacache = require('cacache')
const fs = require('fs')
const fetch = require('make-fetch-happen')
const table = require('text-table')
const which = require('which')
const pacote = require('pacote')
const { resolve } = require('path')
const semver = require('semver')
const { promisify } = require('util')
const log = require('../utils/log-shim.js')
const ansiTrim = require('../utils/ansi-trim.js')
const ping = require('../utils/ping.js')
const {
registry: { default: defaultRegistry },
} = require('../utils/config/definitions.js')
const lstat = promisify(fs.lstat)
const readdir = promisify(fs.readdir)
const access = promisify(fs.access)
const { R_OK, W_OK, X_OK } = fs.constants
const maskLabel = mask => {
const label = []
if (mask & R_OK) {
label.push('readable')
}
if (mask & W_OK) {
label.push('writable')
}
if (mask & X_OK) {
label.push('executable')
}
return label.join(', ')
}
const BaseCommand = require('../base-command.js')
class Doctor extends BaseCommand {
static description = 'Check your npm environment'
static name = 'doctor'
static params = ['registry']
static ignoreImplicitWorkspace = false
async exec (args) {
log.info('Running checkup')
// each message is [title, ok, message]
const messages = []
const actions = [
['npm ping', 'checkPing', []],
['npm -v', 'getLatestNpmVersion', []],
['node -v', 'getLatestNodejsVersion', []],
['npm config get registry', 'checkNpmRegistry', []],
['which git', 'getGitPath', []],
...(process.platform === 'win32'
? []
: [
[
'Perms check on cached files',
'checkFilesPermission',
[this.npm.cache, true, R_OK],
], [
'Perms check on local node_modules',
'checkFilesPermission',
[this.npm.localDir, true, R_OK | W_OK, true],
], [
'Perms check on global node_modules',
'checkFilesPermission',
[this.npm.globalDir, false, R_OK],
], [
'Perms check on local bin folder',
'checkFilesPermission',
[this.npm.localBin, false, R_OK | W_OK | X_OK, true],
], [
'Perms check on global bin folder',
'checkFilesPermission',
[this.npm.globalBin, false, X_OK],
],
]),
[
'Verify cache contents',
'verifyCachedFiles',
[this.npm.flatOptions.cache],
],
// TODO:
// - ensure arborist.loadActual() runs without errors and no invalid edges
// - ensure package-lock.json matches loadActual()
// - verify loadActual without hidden lock file matches hidden lockfile
// - verify all local packages have bins linked
]
// Do the actual work
for (const [msg, fn, args] of actions) {
const line = [msg]
try {
line.push(true, await this[fn](...args))
} catch (er) {
line.push(false, er)
}
messages.push(line)
}
const outHead = ['Check', 'Value', 'Recommendation/Notes'].map(h => this.npm.chalk.underline(h))
let allOk = true
const outBody = messages.map(item => {
if (!item[1]) {
allOk = false
item[0] = this.npm.chalk.red(item[0])
item[1] = this.npm.chalk.red('not ok')
item[2] = this.npm.chalk.magenta(String(item[2]))
} else {
item[1] = this.npm.chalk.green('ok')
}
return item
})
const outTable = [outHead, ...outBody]
const tableOpts = {
stringLength: s => ansiTrim(s).length,
}
if (!this.npm.silent) {
this.npm.output(table(outTable, tableOpts))
}
if (!allOk) {
throw new Error('Some problems found. See above for recommendations.')
}
}
async checkPing () {
const tracker = log.newItem('checkPing', 1)
tracker.info('checkPing', 'Pinging registry')
try {
await ping({ ...this.npm.flatOptions, retry: false })
return ''
} catch (er) {
if (/^E\d{3}$/.test(er.code || '')) {
throw er.code.slice(1) + ' ' + er.message
} else {
throw er.message
}
} finally {
tracker.finish()
}
}
async getLatestNpmVersion () {
const tracker = log.newItem('getLatestNpmVersion', 1)
tracker.info('getLatestNpmVersion', 'Getting npm package information')
try {
const latest = (await pacote.manifest('npm@latest', this.npm.flatOptions)).version
if (semver.gte(this.npm.version, latest)) {
return `current: v${this.npm.version}, latest: v${latest}`
} else {
throw `Use npm v${latest}`
}
} finally {
tracker.finish()
}
}
async getLatestNodejsVersion () {
// XXX get the latest in the current major as well
const current = process.version
const currentRange = `^${current}`
const url = 'https://nodejs.org/dist/index.json'
const tracker = log.newItem('getLatestNodejsVersion', 1)
tracker.info('getLatestNodejsVersion', 'Getting Node.js release information')
try {
const res = await fetch(url, { method: 'GET', ...this.npm.flatOptions })
const data = await res.json()
let maxCurrent = '0.0.0'
let maxLTS = '0.0.0'
for (const { lts, version } of data) {
if (lts && semver.gt(version, maxLTS)) {
maxLTS = version
}
if (semver.satisfies(version, currentRange) && semver.gt(version, maxCurrent)) {
maxCurrent = version
}
}
const recommended = semver.gt(maxCurrent, maxLTS) ? maxCurrent : maxLTS
if (semver.gte(process.version, recommended)) {
return `current: ${current}, recommended: ${recommended}`
} else {
throw `Use node ${recommended} (current: ${current})`
}
} finally {
tracker.finish()
}
}
async checkFilesPermission (root, shouldOwn, mask, missingOk) {
let ok = true
const tracker = log.newItem(root, 1)
try {
const uid = process.getuid()
const gid = process.getgid()
const files = new Set([root])
for (const f of files) {
tracker.silly('checkFilesPermission', f.slice(root.length + 1))
const st = await lstat(f).catch(er => {
// if it can't be missing, or if it can and the error wasn't that it was missing
if (!missingOk || er.code !== 'ENOENT') {
ok = false
tracker.warn('checkFilesPermission', 'error getting info for ' + f)
}
})
tracker.completeWork(1)
if (!st) {
continue
}
if (shouldOwn && (uid !== st.uid || gid !== st.gid)) {
tracker.warn('checkFilesPermission', 'should be owner of ' + f)
ok = false
}
if (!st.isDirectory() && !st.isFile()) {
continue
}
try {
await access(f, mask)
} catch (er) {
ok = false
const msg = `Missing permissions on ${f} (expect: ${maskLabel(mask)})`
tracker.error('checkFilesPermission', msg)
continue
}
if (st.isDirectory()) {
const entries = await readdir(f).catch(er => {
ok = false
tracker.warn('checkFilesPermission', 'error reading directory ' + f)
return []
})
for (const entry of entries) {
files.add(resolve(f, entry))
}
}
}
} finally {
tracker.finish()
if (!ok) {
throw (
`Check the permissions of files in ${root}` +
(shouldOwn ? ' (should be owned by current user)' : '')
)
} else {
return ''
}
}
}
async getGitPath () {
const tracker = log.newItem('getGitPath', 1)
tracker.info('getGitPath', 'Finding git in your PATH')
try {
return await which('git').catch(er => {
tracker.warn(er)
throw "Install git and ensure it's in your PATH."
})
} finally {
tracker.finish()
}
}
async verifyCachedFiles () {
const tracker = log.newItem('verifyCachedFiles', 1)
tracker.info('verifyCachedFiles', 'Verifying the npm cache')
try {
const stats = await cacache.verify(this.npm.flatOptions.cache)
const { badContentCount, reclaimedCount, missingContent, reclaimedSize } = stats
if (badContentCount || reclaimedCount || missingContent) {
if (badContentCount) {
tracker.warn('verifyCachedFiles', `Corrupted content removed: ${badContentCount}`)
}
if (reclaimedCount) {
tracker.warn(
'verifyCachedFiles',
`Content garbage-collected: ${reclaimedCount} (${reclaimedSize} bytes)`
)
}
if (missingContent) {
tracker.warn('verifyCachedFiles', `Missing content: ${missingContent}`)
}
tracker.warn('verifyCachedFiles', 'Cache issues have been fixed')
}
tracker.info(
'verifyCachedFiles',
`Verification complete. Stats: ${JSON.stringify(stats, null, 2)}`
)
return `verified ${stats.verifiedContent} tarballs`
} finally {
tracker.finish()
}
}
async checkNpmRegistry () {
if (this.npm.flatOptions.registry !== defaultRegistry) {
throw `Try \`npm config set registry=${defaultRegistry}\``
} else {
return `using default registry (${defaultRegistry})`
}
}
}
module.exports = Doctor
Zerion Mini Shell 1.0