50 lines
1.4 KiB
JavaScript
50 lines
1.4 KiB
JavaScript
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'use strict';
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function pify(fn, arg1, arg2) {
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return new Promise(function(resolve, reject) {
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fn(arg1, arg2, function(err, data) {
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if (err) return reject(err);
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resolve(data);
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});
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});
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}
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// Node versions prior to 4.0.0 do not define have `startsWith`.
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/* istanbul ignore if */
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if (!String.prototype.startsWith) {
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// eslint-disable-next-line no-extend-native
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String.prototype.startsWith = function(suffix) {
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return this.substring(0, suffix.length) === suffix;
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};
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}
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var pidtree = require('./lib/pidtree');
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/**
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* Get the list of children pids of the given pid.
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* @public
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* @param {Number|String} pid A PID. If -1 will return all the pids.
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* @param {Object} [options] Optional options object.
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* @param {Boolean} [options.root=false] Include the provided PID in the list.
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* @param {Boolean} [options.advanced=false] Returns a list of objects in the
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* format {pid: X, ppid: Y}.
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* @param {Function} [callback=undefined] Called when the list is ready. If not
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* provided a promise is returned instead.
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* @returns {Promise.<Object[]>} Only when the callback is not provided.
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*/
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function list(pid, options, callback) {
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if (typeof options === 'function') {
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callback = options;
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options = undefined;
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}
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if (typeof callback === 'function') {
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pidtree(pid, options, callback);
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return;
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}
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return pify(pidtree, pid, options);
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}
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module.exports = list;
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