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Direktori : /lib/node_modules/pm2/node_modules/pidusage/lib/ |
Current File : //lib/node_modules/pm2/node_modules/pidusage/lib/bin.js |
'use strict' const spawn = require('child_process').spawn /** * Spawn a binary and read its stdout. * @param {String} cmd * @param {String[]} args * @param {Function} done(err, stdout) */ function run (cmd, args, options, done) { if (typeof options === 'function') { done = options options = undefined } let executed = false const ch = spawn(cmd, args, options) let stdout = '' let stderr = '' ch.stdout.on('data', function (d) { stdout += d.toString() }) ch.stderr.on('data', function (d) { stderr += d.toString() }) ch.on('error', function (err) { if (executed) return executed = true done(new Error(err)) }) ch.on('close', function (code, signal) { if (executed) return executed = true if (stderr) { return done(new Error(stderr)) } done(null, stdout, code) }) } module.exports = run