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var spawn = require("child_process").spawn
var path = require("path")
var fs = require("fs")
var port = exports.port = 1337
exports.registry = "http://localhost:" + port
process.env.npm_config_loglevel = "error"
var npm_config_cache = path.resolve(__dirname, "npm_cache")
exports.npm_config_cache = npm_config_cache
var bin = exports.bin = require.resolve("../bin/npm-cli.js")
var once = require("once")
exports.npm = function (cmd, opts, cb) {
cb = once(cb)
cmd = [bin].concat(cmd)
opts = opts || {}
opts.env = opts.env ? opts.env : process.env
if (!opts.env.npm_config_cache) {
opts.env.npm_config_cache = npm_config_cache
}
var stdout = ""
, stderr = ""
, node = process.execPath
, child = spawn(node, cmd, opts)
if (child.stderr) child.stderr.on("data", function (chunk) {
stderr += chunk
})
if (child.stdout) child.stdout.on("data", function (chunk) {
stdout += chunk
})
child.on("error", cb)
child.on("close", function (code) {
cb(null, code, stdout, stderr)
})
return child
}
// based on http://bit.ly/1tkI6DJ
function deleteNpmCacheRecursivelySync(cache) {
cache = cache ? cache : npm_config_cache
var files = []
var res
if( fs.existsSync(cache) ) {
files = fs.readdirSync(cache)
files.forEach(function(file,index) {
var curPath = path.resolve(cache, file)
if(fs.lstatSync(curPath).isDirectory()) { // recurse
deleteNpmCacheRecursivelySync(curPath)
} else { // delete file
if (res = fs.unlinkSync(curPath))
throw Error("Failed to delete file " + curPath + ", error " + res)
}
})
if (res = fs.rmdirSync(cache))
throw Error("Failed to delete directory " + cache + ", error " + res)
}
return 0
}
exports.deleteNpmCacheRecursivelySync = deleteNpmCacheRecursivelySync
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