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Mini Shell
Mini Shell
'use strict'
const BB = require('bluebird')
const fs = require('fs')
const figgyPudding = require('figgy-pudding')
const ini = require('ini')
const path = require('path')
const spawn = require('child_process').spawn
const readFileAsync = BB.promisify(fs.readFile)
const NpmConfig = figgyPudding({
cache: { default: '' },
then: {},
userconfig: {}
})
module.exports = NpmConfig
module.exports.fromNpm = getNpmConfig
function getNpmConfig (argv) {
return new BB((resolve, reject) => {
const npmBin = process.platform === 'win32' ? 'npm.cmd' : 'npm'
const child = spawn(npmBin, [
'config', 'ls', '--json', '-l'
// We add argv here to get npm to parse those options for us :D
].concat(argv || []), {
env: process.env,
cwd: process.cwd(),
stdio: [0, 'pipe', 2]
})
let stdout = ''
if (child.stdout) {
child.stdout.on('data', (chunk) => {
stdout += chunk
})
}
child.on('error', reject)
child.on('close', (code) => {
if (code === 127) {
reject(new Error('`npm` command not found. Please ensure you have npm@5.4.0 or later installed.'))
} else {
try {
resolve(JSON.parse(stdout))
} catch (e) {
reject(new Error('`npm config ls --json` failed to output json. Please ensure you have npm@5.4.0 or later installed.'))
}
}
})
}).then(opts => {
return BB.all(
process.cwd().split(path.sep).reduce((acc, next) => {
acc.path = path.join(acc.path, next)
acc.promises.push(maybeReadIni(path.join(acc.path, '.npmrc')))
acc.promises.push(maybeReadIni(path.join(acc.path, 'npmrc')))
return acc
}, {
path: '',
promises: []
}).promises.concat(
opts.userconfig ? maybeReadIni(opts.userconfig) : {}
)
).then(configs => NpmConfig(...configs, opts))
}).then(opts => {
if (opts.cache) {
return opts.concat({ cache: path.join(opts.cache, '_cacache') })
} else {
return opts
}
})
}
function maybeReadIni (f) {
return readFileAsync(f, 'utf8').catch(err => {
if (err.code === 'ENOENT') {
return ''
} else {
throw err
}
}).then(ini.parse)
}
Zerion Mini Shell 1.0