/* * Safari < 15 polyfill for createImageBitmap * https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/createImageBitmap * * Support source image types: Canvas. */ if (!('createImageBitmap' in window)) { window.createImageBitmap = async function(data) { return new Promise((resolve, reject) => { let dataURL; if (data instanceof HTMLCanvasElement) { dataURL = data.toDataURL(); } else { reject(new Error('createImageBitmap does not handle the provided image source type')); } const img = document.createElement('img'); // eslint-disable-next-line no-empty-function img.close = () => {}; img.addEventListener('load', () => { resolve(img); }); img.src = dataURL; }); }; }