lilishop-uniapp/js_sdk/u-draw-poster/extends/create-gcanvas/index.js

import { WeexBridge, enable, Image } from './gcanvas';
export * from './gcanvas';
import DrawPoster from "../../draw-poster";
DrawPoster.prototype['gcanvas'] = {
    WeexBridge,
    enable,
    Image
};
export default {};