Collapse Instagram sidebar (thanks to simplified-twitter)

Collapse Instagram Sidebar.js

// ==UserScript==
// @name        Collapse Instagram Suggestions
// @description This collapses the Instagram suggestions sidebar to make everything centered.
// @match       *://*.instagram.com/
// @run-at      document-end
// ==/UserScript==

function update() {
  const width = Math.min(document.documentElement.offsetWidth || 800, 800)
  if (window.innerWidth === width && document.documentElement.clientWidth === width) return

  window.__defineGetter__('innerWidth', () => width)
  document.documentElement.__defineGetter__('clientWidth', () => width)

  window.dispatchEvent(new Event('resize'))
}

window.addEventListener('load', update)
window.addEventListener('resize', update)
document.addEventListener('visibilitychange', update)
update()