Internet-programming_PIbd-2.../Library/node_modules/pidtree/index.js

47 lines
1.3 KiB
JavaScript

'use strict';
function pify(fn, arg1, arg2) {
return new Promise(function(resolve, reject) {
fn(arg1, arg2, function(err, data) {
if (err) return reject(err);
resolve(data);
});
});
}
// The method startsWith is not defined on string objects in node 0.10
// eslint-disable-next-line no-extend-native
String.prototype.startsWith = function(suffix) {
return this.substring(0, suffix.length) === suffix;
};
var pidtree = require('./lib/pidtree');
/**
* Get the list of children pids of the given pid.
* @public
* @param {Number|String} pid A PID. If -1 will return all the pids.
* @param {Object} [options] Optional options object.
* @param {Boolean} [options.root=false] Include the provided PID in the list.
* @param {Boolean} [options.advanced=false] Returns a list of objects in the
* format {pid: X, ppid: Y}.
* @param {Function} [callback=undefined] Called when the list is ready. If not
* provided a promise is returned instead.
* @returns {Promise.<Object[]>} Only when the callback is not provided.
*/
function list(pid, options, callback) {
if (typeof options === 'function') {
callback = options;
options = undefined;
}
if (typeof callback === 'function') {
pidtree(pid, options, callback);
return;
}
return pify(pidtree, pid, options);
}
module.exports = list;