Questionnaire-of-the-Facebo.../node_modules/nodemon/lib/spawn.js

55 lines
1.2 KiB
JavaScript

const utils = require('./utils');
const merge = utils.merge;
const bus = utils.bus;
const spawn = require('child_process').spawn;
module.exports = function spawnCommand(command, config, eventArgs) {
var stdio = ['pipe', 'pipe', 'pipe'];
if (config.options.stdout) {
stdio = ['pipe', process.stdout, process.stderr];
}
var sh = 'sh';
var shFlag = '-c';
if (utils.isWindows) {
sh = 'cmd';
shFlag = '/c';
}
if (!Array.isArray(command)) {
command = [command];
}
const args = command.join(' ');
const env = merge(process.env, { FILENAME: eventArgs[0] });
const child = spawn(sh, [shFlag, args], {
env: merge(config.options.execOptions.env, env),
stdio: stdio,
});
if (config.required) {
var emit = {
stdout: function (data) {
bus.emit('stdout', data);
},
stderr: function (data) {
bus.emit('stderr', data);
},
};
// now work out what to bind to...
if (config.options.stdout) {
child.on('stdout', emit.stdout).on('stderr', emit.stderr);
} else {
child.stdout.on('data', emit.stdout);
child.stderr.on('data', emit.stderr);
bus.stdout = child.stdout;
bus.stderr = child.stderr;
}
}
};