Exporting images from https://canvas.apps.chrome/

canvas-apps-chrome-export-all.js

// Javascript console script for exporting all images from https://canvas.apps.chrome/ on 2023-01-01

const sleep = ms => new Promise(r => setTimeout(r, ms)); // https://stackoverflow.com/a/39914235

const gi = document
  .getElementById("drawing-app")
  .shadowRoot
  .getElementById("drawing-gallery")
  .shadowRoot
  .getElementById("main")
  .getElementsByTagName("gallery-item");

for (i = 0; i < gi.length; ++i) {
  console.log(`exporting ${i}`); 
  var bb = gi[i].shadowRoot.getElementById("bottom-bar"); 
  bb.getElementsByTagName("ea-menu")[0]
    .shadowRoot
    .children[0] // mwc-menu
    .children[0] // div#entries-container
    .children[1] // div for the menu-export element; use 4 for delete
    .children[0] // ea-menu-list-item
    .children[0] // span
    .click();
  await sleep(6000);
}