mirador/src/state/actions/layers.js

An open-source, web-based 'multi-up' viewer that supports zoom-pan-rotate functionality, ability to display/compare simple images, and images with annotations.

import ActionTypes from './action-types';

/**
 * updateLayers - action creator
 * @param {string} id
 */
export function updateLayers(windowId, canvasId, payload) {
  return {
    canvasId,
    payload,
    type: ActionTypes.UPDATE_LAYERS,
    windowId,
  };
}