| /** | |
| * Get all CSS style blocks matching a CSS selector from stylesheets | |
| * @param {string} className - class name to match | |
| * @param {boolean} startingWith - if true matches all items starting with selector, default = false (exact match only) | |
| * @example getStylesBySelector('pure-form .pure-form-html ') | |
| * @returns {object} key/value object containing matching styles otherwise null | |
| */ | |
| function getStylesBySelector(className, startingWith) { |
| /** | |
| * GET contents of a URL | |
| * @access private | |
| * @param {string} url - url to get | |
| * @param {function} error - function to call if there is an error | |
| * @param {function} callback - function to call if success | |
| * @returns {void} | |
| */ | |
| function httpGet(url, error, callback) { |
Digital Ocean offers a pre-installed Dokku image. You can run this image on any sized droplet, although larger droplets will allow you to run larger applications.
When choosing your Droplet configuration please disable IPv6. There are known issues with IPv6 on Digital Ocean and Docker, and many have been reported to the Dokku issue tracker. If you would like to run Dokku on an IPv6 Digital Ocean Droplet, please consult this guide.
| /** | |
| * Converts a string to JSON safe key (property name) by removing unsafe | |
| * characters and converting to camel case | |
| * @param {string} src - string to convert | |
| * @Example | |
| * stringToJsonSafeKey('r@ndAm wo5d') // rndamWo5d | |
| * @returns {string} id/key safe string | |
| */ | |
| function stringToJsonSafeKey(src) { |
| /** | |
| * Gets attribute off HTML element or nearest parent | |
| * @param {object} el - HTML element to retrieve attribute from | |
| * @param {string} attributeName - name of the attribute | |
| * @param {any} defaultValue - default value to return if no match found | |
| * @returns {any} attribute value or defaultValue | |
| */ | |
| function getNearestAttribute(el, attributeName, defaultValue) { | |
| // walk up the dom tree looking for data-action and data-trigger |
| /** | |
| * Checks if a JavaScript value is empty | |
| * @example | |
| * isEmpty(null); // true | |
| * isEmpty(undefined); // true | |
| * isEmpty(''); // true | |
| * isEmpty([]); // true | |
| * isEmpty({}); // true | |
| * @param {any} value - item to test | |
| * @returns {boolean} true if empty, otherwise false |
| // 1) visit yclist.com | |
| // 2) open the browser console | |
| // 3) run the following | |
| // get all table rows | |
| var rows = Array.prototype.slice.call(document.querySelectorAll('#companies tbody tr')); | |
| // extract descriptions (use lastChild to skip aquired etc) | |
| var descriptions = rows.map(function (row) { return row.cells[5].lastChild.textContent.trim(); }); |
| /** | |
| * Checks if a string is a URL | |
| * @example isUrl('https://orcascan.com') // true; | |
| * @param {string} str - value to test | |
| * @returns {boolean} true if URL otherwise false | |
| */ | |
| function isUrl(str) { | |
| return /(ftp|http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/.test(str); | |
| } |
| var fs = require('fs-extra'); | |
| var fetch = require('node-fetch'); | |
| /** | |
| * Download a file to disk | |
| * @example downloadFile('https://orcascan.com', './barcode-tracking.html') | |
| * @param {string} fileUrl - url of file to download | |
| * @param {string} destPath - destination path | |
| * @returns {Promise} resolves once complete, otherwise rejects | |
| */ |
| (function () { | |
| 'use strict'; | |
| /** | |
| * wraps a promise in a timeout, allowing the promise to reject if not resolve with a specific period of time | |
| * @param {integer} ms - milliseconds to wait before rejecting promise if not resolved | |
| * @param {Promise} promise to monitor | |
| * @example | |
| * promiseTimeout(1000, fetch('https://courseof.life/johndoherty.json')) |
