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explore.js
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// npm explore <pkg>[@<version>] // open a subshell to the package folder. module.exports = explore explore.usage = 'npm explore <pkg> [ -- <command>]' explore.completion = require('./utils/completion/installed-shallow.js') var npm = require('./npm.js') var spawn = require('./utils/spawn') var path = require('path') var fs = require('graceful-fs') var isWindows = require('./utils/is-windows.js') var escapeExecPath = require('./utils/escape-exec-path.js') var escapeArg = require('./utils/escape-arg.js') var output = require('./utils/output.js') var log = require('npmlog') function explore (args, cb) { if (args.length < 1 || !args[0]) return cb(explore.usage) var p = args.shift() var cwd = path.resolve(npm.dir, p) var opts = {cwd: cwd, stdio: 'inherit'} var shellArgs = [] if (args.length) { if (isWindows) { var execCmd = escapeExecPath(args.shift()) var execArgs = [execCmd].concat(args.map(escapeArg)) opts.windowsVerbatimArguments = true shellArgs = ['/d', '/s', '/c'].concat(execArgs) } else { shellArgs = ['-c', args.map(escapeArg).join(' ').trim()] } } var sh = npm.config.get('shell') fs.stat(cwd, function (er, s) { if (er || !s.isDirectory()) { return cb(new Error( "It doesn't look like " + p + ' is installed.' )) } if (!shellArgs.length) { output( '\nExploring ' + cwd + '\n' + "Type 'exit' or ^D when finished\n" ) } log.silly('explore', {sh, shellArgs, opts}) var shell = spawn(sh, shellArgs, opts) shell.on('close', function (er) { // only fail if non-interactive. if (!shellArgs.length) return cb() cb(er) }) }) }