AFFiNE-Mirror/blocksuite/affine/block-image/src/adapters/middleware.ts

import { DEFAULT_IMAGE_PROXY_ENDPOINT } from '@blocksuite/affine-shared/consts';
import type { TransformerMiddleware } from '@blocksuite/store';

export const customImageProxyMiddleware = (
  imageProxyURL: string
): TransformerMiddleware => {
  return ({ adapterConfigs }) => {
    adapterConfigs.set('imageProxy', imageProxyURL);
  };
};

const imageProxyMiddlewareBuilder = () => {
  let middleware = customImageProxyMiddleware(DEFAULT_IMAGE_PROXY_ENDPOINT);
  return {
    get: () => middleware,
    set: (url: string) => {
      middleware = customImageProxyMiddleware(url);
    },
  };
};

const defaultImageProxyMiddlewarBuilder = imageProxyMiddlewareBuilder();

export const setImageProxyMiddlewareURL = defaultImageProxyMiddlewarBuilder.set;

export const defaultImageProxyMiddleware =
  defaultImageProxyMiddlewarBuilder.get();