// npm explore [@] // open a subshell to the package folder. const pkgJson = require('@npmcli/package-json') const runScript = require('@npmcli/run-script') const { join, relative } = require('path') const log = require('../utils/log-shim.js') const completion = require('../utils/completion/installed-shallow.js') const BaseCommand = require('../base-command.js') class Explore extends BaseCommand { static description = 'Browse an installed package' static name = 'explore' static usage = [' [ -- ]'] static params = ['shell'] static ignoreImplicitWorkspace = false // TODO /* istanbul ignore next */ static async completion (opts, npm) { return completion(npm, opts) } async exec (args) { if (args.length < 1 || !args[0]) { throw this.usageError() } const pkgname = args.shift() // detect and prevent any .. shenanigans const path = join(this.npm.dir, join('/', pkgname)) if (relative(path, this.npm.dir) === '') { throw this.usageError() } // run as if running a script named '_explore', which we set to either // the set of arguments, or the shell config, and let @npmcli/run-script // handle all the escaping and PATH setup stuff. const { content: pkg } = await pkgJson.normalize(path).catch(er => { log.error('explore', `It doesn't look like ${pkgname} is installed.`) throw er }) const { shell } = this.npm.flatOptions pkg.scripts = { ...(pkg.scripts || {}), _explore: args.join(' ').trim() || shell, } if (!args.length) { this.npm.output(`\nExploring ${path}\nType 'exit' or ^D when finished\n`) } log.disableProgress() try { return await runScript({ ...this.npm.flatOptions, pkg, banner: false, path, event: '_explore', stdio: 'inherit', }).catch(er => { process.exitCode = typeof er.code === 'number' && er.code !== 0 ? er.code : 1 // if it's not an exit error, or non-interactive, throw it const isProcExit = er.message === 'command failed' && (typeof er.code === 'number' || /^SIG/.test(er.signal || '')) if (args.length || !isProcExit) { throw er } }) } finally { log.enableProgress() } } } module.exports = Explore