Create multiple components from top level layers in Figma

figma-make-components.user.js

(numberOfComponentsToMake => {
  const wait = ms => new Promise(res => setTimeout(res, ms));

  const target = document.querySelector('canvas');

  const makeComponentFromSelectedLayer = () => target.dispatchEvent(new KeyboardEvent(
    'keydown',
    {
      altKey: true,
      keyCode: 75,
      metaKey: true,
    },
  ));

  const selectNextLayer = () => target.dispatchEvent(new KeyboardEvent(
    'keydown',
    {keyCode: 9},
  ));

  const makeComponentsFromTopLayers = async numberOfComponentsToMake => {
    for (let i = 0; i < numberOfComponentsToMake; i += 1) {
      makeComponentFromSelectedLayer();
      await wait(200);
      selectNextLayer();
      await wait(50);
    }
  };

  makeComponentsFromTopLayers(numberOfComponentsToMake);
})(2); // Change this from 2 to however many you want to make