Inian inian

## split.sh
convert image.png -colorspace YUV -sampling-factor 4:2:2 -separate \
\( -clone 0 \) \
\( -clone 1 -fill black -colorize 100% \) \
\( -clone 1 -negate \) \
\( -clone 1 \) \
image_b_temp.png

convert image_b_temp-4.png image_b_temp-5.png image_b_temp-6.png -channel RGB -combine image_b.png

convert image.png -colorspace YUV -sampling-factor 4:2:2 -separate \

## async-decoding.html
<html>
  <body>
    <div class="jank-detector">
      Random numbers, to highlight jank:
      <span class="rand"></span>
    </div>
    <script>
      const rand = document.querySelector(".rand");
      function randFrame() {
        rand.textContent = Math.random();

## image-decode-promise.js
const img = new Image();
img.src = "cat.png";
img.decode().then(() => {
  // image fully decoded and can be safely rendered on the screen
  const orig = document.getElementById("orig");
  orig.parentElement.replaceChild(img, orig);
});

## network-aware-sw.js
function modifyURL(url) {
  // ect can be 'slow-2g', '2g', '3g', or '4g'.
  const connectionType = navigator.connection.effectiveType;
  if (connectionType === "slow-2g" || connectionType === "2g") {
    return url + "?opt=aggressive";
  } else if (connectionType === "4g") {
    return url + "?opt=mild";
  } else {
    return url + "?opt=default";
  }

## hapi.js
var fs = require('fs');
var Hapi = require('hapi');
var http2 = require('http2');

var options = {
  key: fs.readFileSync('./selfsigned.key'),
    cert: fs.readFileSync('./selfsigned.crt'),
};

var server = new Hapi.Server();

## http2-compatibility-api.js
const http2 = require('http2');
const fs = require('fs');

const options = {
    key: fs.readFileSync('./selfsigned.key'),
    cert: fs.readFileSync('./selfsigned.crt'),
    allowHTTP1: true
}

const server = http2.createSecureServer(options, (req, res) => {

## unregister.js
try {
   navigator.serviceWorker.getRegistrations().then(function(registrations) {
       registrations.forEach(function(registration) {
           if (registration.active && registration.active.scriptURL.includes("dexecure")) {
               console.log('removing registration', registration);
               registration.unregister();
           }
       })
   })
} catch (e) {

## brotli-sw.js
// MIT License

// Copyright (c) 2016 Dexecure

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

## swapon.sh
sudo fallocate -l 2G /swapfile
sudo chmod 600 /swapfile
sudo mkswap /swapfile
sudo swapon /swapfile

## download.sh
wget -E -H -k -K -p -t 2 -T 30 --user-agent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36" -e robots=off http://example.com