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const { readdir } = require('node:fs/promises')
const { resolve, join } = require('node:path')
const { log } = require('proc-log')
const runScript = require('@npmcli/run-script')
const pacote = require('pacote')
const checks = require('npm-install-checks')
const reifyFinish = require('../utils/reify-finish.js')
const ArboristWorkspaceCmd = require('../arborist-cmd.js')
class Install extends ArboristWorkspaceCmd {
static description = 'Install a package'
static name = 'install'
// These are in the order they will show up in when running "-h"
// If adding to this list, consider adding also to ci.js
static params = [
'save',
'save-exact',
'global',
'install-strategy',
'legacy-bundling',
'global-style',
'omit',
'include',
'strict-peer-deps',
'prefer-dedupe',
'package-lock',
'package-lock-only',
'foreground-scripts',
'ignore-scripts',
'audit',
'before',
'bin-links',
'fund',
'dry-run',
'cpu',
'os',
'libc',
...super.params,
]
static usage = ['[<package-spec> ...]']
static async completion (opts) {
const { partialWord } = opts
// install can complete to a folder with a package.json, or any package.
// if it has a slash, then it's gotta be a folder
// if it starts with https?://, then just give up, because it's a url
if (/^https?:\/\//.test(partialWord)) {
// do not complete to URLs
return []
}
if (/\//.test(partialWord)) {
// Complete fully to folder if there is exactly one match and it
// is a folder containing a package.json file. If that is not the
// case we return 0 matches, which will trigger the default bash
// complete.
const lastSlashIdx = partialWord.lastIndexOf('/')
const partialName = partialWord.slice(lastSlashIdx + 1)
const partialPath = partialWord.slice(0, lastSlashIdx) || '/'
const isDirMatch = async sibling => {
if (sibling.slice(0, partialName.length) !== partialName) {
return false
}
try {
const contents = await readdir(join(partialPath, sibling))
const result = (contents.indexOf('package.json') !== -1)
return result
} catch {
return false
}
}
try {
const siblings = await readdir(partialPath)
const matches = []
for (const sibling of siblings) {
if (await isDirMatch(sibling)) {
matches.push(sibling)
}
}
if (matches.length === 1) {
return [join(partialPath, matches[0])]
}
// no matches
return []
} catch {
return [] // invalid dir: no matching
}
}
// Note: there used to be registry completion here,
// but it stopped making sense somewhere around
// 50,000 packages on the registry
}
async exec (args) {
// the /path/to/node_modules/..
const globalTop = resolve(this.npm.globalDir, '..')
const ignoreScripts = this.npm.config.get('ignore-scripts')
const isGlobalInstall = this.npm.global
const where = isGlobalInstall ? globalTop : this.npm.prefix
const forced = this.npm.config.get('force')
const scriptShell = this.npm.config.get('script-shell') || undefined
// be very strict about engines when trying to update npm itself
const npmInstall = args.find(arg => arg.startsWith('npm@') || arg === 'npm')
if (isGlobalInstall && npmInstall) {
const npmOptions = this.npm.flatOptions
const npmManifest = await pacote.manifest(npmInstall, npmOptions)
try {
checks.checkEngine(npmManifest, npmManifest.version, process.version)
} catch (e) {
if (forced) {
log.warn(
'install',
`Forcing global npm install with incompatible version ${npmManifest.version} into node ${process.version}`
)
} else {
throw e
}
}
}
// don't try to install the prefix into itself
args = args.filter(a => resolve(a) !== this.npm.prefix)
// `npm i -g` => "install this package globally"
if (isGlobalInstall && !args.length) {
args = ['.']
}
// throw usage error if trying to install empty package
// name to global space, e.g: `npm i -g ""`
if (where === globalTop && !args.every(Boolean)) {
throw this.usageError()
}
const Arborist = require('@npmcli/arborist')
const opts = {
...this.npm.flatOptions,
auditLevel: null,
path: where,
add: args,
workspaces: this.workspaceNames,
}
const arb = new Arborist(opts)
await arb.reify(opts)
if (!args.length && !isGlobalInstall && !ignoreScripts) {
const scripts = [
'preinstall',
'install',
'postinstall',
'prepublish', // XXX(npm9) should we remove this finally??
'preprepare',
'prepare',
'postprepare',
]
for (const event of scripts) {
await runScript({
path: where,
args: [],
scriptShell,
stdio: 'inherit',
event,
})
}
}
await reifyFinish(this.npm, arb)
}
}
module.exports = Install