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path: root/app/javascript/flavours/glitch/util/is_mobile.js
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import detectPassiveEvents from 'detect-passive-events';

const LAYOUT_BREAKPOINT = 630;

export function isMobile(width, columns) {
  switch (columns) {
  case 'multiple':
    return false;
  case 'single':
    return true;
  default:
    return width <= LAYOUT_BREAKPOINT;
  }
};

const iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;

let userTouching = false;
let listenerOptions = detectPassiveEvents.hasSupport ? { passive: true } : false;

function touchListener() {
  userTouching = true;
  window.removeEventListener('touchstart', touchListener, listenerOptions);
}

window.addEventListener('touchstart', touchListener, listenerOptions);

export function isUserTouching() {
  return userTouching;
}

export function isIOS() {
  return iOS;
};