reecelucas

const SCROLL_UP = "up";
const SCROLL_DOWN = "down";

const useScrollDirection = ({
  initialDirection,
  thresholdPixels,
  off
} = {}) => {
  const [scrollDir, setScrollDir] = useState(initialDirection);

iangilman

// Modified from http://mattsnider.com/cross-browser-and-legacy-supported-requestframeanimation/
// LICENSE: MIT: http://mattsnider.com/projects/license/

(function(w) {
    "use strict";
    // most browsers have an implementation
    w.requestAnimationFrame = w.requestAnimationFrame ||
            w.mozRequestAnimationFrame || w.webkitRequestAnimationFrame ||
            w.msRequestAnimationFrame;
    w.cancelAnimationFrame = w.cancelAnimationFrame ||

amoilanen

//PhantomJS http://phantomjs.org/ based web crawler Anton Ivanov [email protected] 2012
//UPDATE: This gist has been made into a Node.js module and now can be installed with "npm install js-crawler"
//the Node.js version does not use Phantom.JS, but the API available to the client is similar to the present gist

(function(host) {

    function Crawler() {
        this.visitedURLs = {};
    };