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Direktori : /usr/lib/node_modules/npm/node_modules/libnpx/ |
Current File : //usr/lib/node_modules/npm/node_modules/libnpx/child.js |
'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 }