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// npm explore <pkg>[@<version>]
// open a subshell to the package folder.
module.exports = explore
explore.usage = "npm explore <pkg> [ -- <cmd>]"
explore.completion = require("./utils/completion/installed-shallow.js")
var npm = require("./npm.js")
, spawn = require("child_process").spawn
, path = require("path")
, fs = require("graceful-fs")
function explore (args, cb) {
if (args.length < 1 || !args[0]) return cb(explore.usage)
var p = args.shift()
args = args.join(" ").trim()
if (args) args = ["-c", args]
else args = []
var cwd = path.resolve(npm.dir, p)
var s = 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 (!args.length) console.log(
"\nExploring "+cwd+"\n"+
"Type 'exit' or ^D when finished\n")
var shell = spawn(s, args, { cwd: cwd, customFds: [0, 1, 2] })
shell.on("close", function (er) {
// only fail if non-interactive.
if (!args.length) return cb()
cb(er)
})
})
}
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