import { Plugin, WebpackHookParams } from '@fmfe/genesis-core';
import webpack from 'webpack';

export class ModuleReplacePlugin extends Plugin {
    public chainWebpack({ config }: WebpackHookParams) {
        const { moduleReplace } = this.ssr;
        if (Object.keys(moduleReplace).length === 0) return;
        config
            .plugin('ModuleReplace')
            .use(webpack.NormalModuleReplacementPlugin, [
                /(.*)/,
                (resource) => {
                    if (resource.request in moduleReplace) {
                        const value = moduleReplace[resource.request];
                        const request =
                            typeof value === 'string' ? value : value(resource);

                        if (resource.contextInfo.issuer !== request) {
                            resource.request = request;
                        }
                    }
                }
            ]);
    }
}