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'use strict'
const BB = require('bluebird')
const lifecycleOpts = require('./lifecycle-opts.js')
const pacoteOpts = require('./pacote-opts.js')
const protoduck = require('protoduck')
const spawn = require('child_process').spawn
class NpmConfig extends Map {}
const CipmConfig = protoduck.define({
get: [],
set: [],
toPacote: [],
toLifecycle: []
}, {
name: 'CipmConfig'
})
module.exports.CipmConfig = CipmConfig
CipmConfig.impl(NpmConfig, {
get: Map.prototype.get,
set: Map.prototype.set,
toPacote (opts) {
return pacoteOpts(this, opts)
},
toLifecycle () {
return lifecycleOpts(this)
}
})
module.exports.fromObject = fromObj
function fromObj (obj) {
const map = new NpmConfig()
Object.keys(obj).forEach(k => map.set(k, obj[k]))
return map
}
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(fromObj(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.'))
}
}
})
})
}
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