cli-engine/lib/util.js

Generic CLI Framework

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.compare = compare;
exports.wait = wait;
exports.timeout = timeout;
const debug = require('debug')('util');

function compare(...props) {
  return (a, b) => {
    for (let prop of props) {
      if (a[prop] === undefined) return -1;
      if (b[prop] === undefined) return 1;
      if (a[prop] < b[prop]) return -1;
      if (a[prop] > b[prop]) return 1;
    }
    return 0;
  };
}

function wait(ms, unref = false) {
  return new Promise(resolve => {
    let t = setTimeout(resolve, ms);
    if (unref) t.unref();
  });
}

function timeout(p, ms) {
  return Promise.race([p, wait(ms, true).then(() => debug('timed out'))]);
}