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Mini Shell
Mini Shell
'use strict'
const cp = require('child_process')
const path = require('path')
module.exports.runCommand = runCommand
function runCommand (command, opts) {
const cmd = opts.call || command || opts.command
const copts = (opts.call ? [] : opts.cmdOpts) || []
return spawn(cmd, copts, {
shell: opts.shell || !!opts.call,
stdio: opts.stdio || 'inherit'
}).catch(err => {
if (err.code === 'ENOENT') {
err = new Error(
`npx: ${
require('./y.js')`command not found: ${path.basename(cmd)}`
}`
)
err.exitCode = 127
} else {
err.message = require('./y.js')`Command failed: ${cmd} ${err.message}`
}
throw err
})
}
module.exports.spawn = spawn
function spawn (cmd, args, opts) {
opts = opts || {}
opts.shell = opts.shell || process.platform === 'win32'
return new Promise((resolve, reject) => {
const child = cp.spawn(cmd, args, opts)
let stdout = ''
let stderr = ''
child.stdout && child.stdout.on('data', d => { stdout += d })
child.stderr && child.stderr.on('data', d => { stderr += d })
child.on('error', reject)
child.on('close', code => {
if (code) {
const err = new Error(
require('./y.js')`Command failed: ${cmd} ${args.join(' ')}`
)
err.isOperational = true
err.stderr = stderr
err.exitCode = code
reject(err)
} else {
resolve({code, stdout, stderr})
}
})
})
}
module.exports.exec = exec
function exec (cmd, args, opts) {
opts = opts || {}
return new Promise((resolve, reject) => {
cp.exec(`${escapeArg(cmd, true)} ${
args.join(' ')
}`, opts, (err, stdout) => {
if (err) {
if (typeof err.code === 'number') {
err.exitCode = err.code
}
reject(err)
} else {
resolve(stdout)
}
})
})
}
module.exports.escapeArg = escapeArg
function escapeArg (str, asPath) {
return process.platform === 'win32' && asPath
? path.normalize(str)
.split(/\\/)
.map(s => s.match(/\s+/) ? `"${s}"` : s)
.join('\\')
: process.platform === 'win32'
? `"${str}"`
: str.match(/[^-_.~/\w]/)
? `'${str.replace(/'/g, "'\"'\"'")}'`
: str
}
Zerion Mini Shell 1.0