ibrennan

import { useState, useEffect, useCallback } from 'react';

export const useVisbilityState = () => {
  const [visibilityState, setVisibilityState] = useState(null);

  const handleVisbilityChange = useCallback(() => {
    setVisibilityState(document.visibilityState);
  }, [setVisibilityState]);

  useEffect(() => {

ibrennan

git config --global core.excludesfile ~/.gitignore
echo ".DS_Store" >> ~/.gitignore
echo "node_modules/" >> ~/.gitignore
echo "npm-debug.log" >> ~/.gitignore
echo ".sass-cache/" >> ~/.gitignore
echo "*.sublime-workspace" >> ~/.gitignore

ibrennan

// Implementation for tracking the vertical scroll of a page and firing events at 25%, 50%, 75%, 100% positions
// Requires jQuery (feel free to fork a version that doesn't!)

var scrollPercentages = {
	scroll25: false,
	scroll50: false,
	scroll75: false,
	scroll100: false
}

ibrennan

// Name of storyboard, without the .storyboard extension
var storyboard = UIStoryboard(name: "Main", bundle: nil)

// The type is the view controller class name, in this case 'ViewControllerLaunch'
// You need to make sure the view controller in storyboard has an identifier set
// The identifier in this example is 'Launch'
var viewController: ViewControllerLaunch = storyboard.instantiateViewControllerWithIdentifier("Launch") as ViewControllerLaunch

// Show this view controller
window?.rootViewController = viewController

ibrennan

func hexStringToUIColor (hex:String) -> UIColor {
        var cString:String = hex.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceAndNewlineCharacterSet() as NSCharacterSet).uppercaseString
        
        if (cString.hasPrefix("#")) {
            cString = cString.substringFromIndex(advance(cString.startIndex, 1))
        }
        
        if (countElements(cString) != 6) {
            return UIColor.grayColor()
        }