koa2-hmr-middleware/lib/hot.js

HRM middleware ( webpack-dev-middleware, webpack-hot-middleware) for koa2

'use strict';

const rowHotMiddleware = require('webpack-hot-middleware');

function hotMiddleware (compiler, options){
    var middleware = rowHotMiddleware(compiler, options);
    return async function adapter(ctx, next){
        var req = ctx.req;
        var res = {
            write: ctx.res.write.bind(ctx.res),
            writeHead(statusCode, headers){
                ctx.status = statusCode;
                ctx.set(headers);
                ctx.respond = false;
            }
        }

        await new Promise(resolve => {middleware(req, res, resolve)});
        return next();
    }
}

module.exports = hotMiddleware;