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Masa Express

/ Exports

Installation​

yarn
yarn add @masa-finance/masa-express --save

npm
npm i @masa-finance/masa-express --save

Usage​

A full example can be found in the Masa Express Boilerplate repo.

import express, {
  Express,
  RequestHandler,
  Router,
} from "express";
import {
  MasaSessionMiddleware,
  MasaSessionRouter,
  sessionCheckHandler,
} from "@masa-finance/masa-express";
import {
  CreateSoulNameResult,
  SoulNameErrorCodes,
} from "@masa-finance/masa-sdk";
import cors
  from "cors";

const app: Express = express();

app.use(express.json());

// your session name
const sessionName = "my_fancy_session_name";
// never give this to someone!
const secret = "top_secret_1337";
// 30 days session expiration time
const ttl = 30 * 24 * 60 * 60;
// production, dev or undefined (will fall back to dev then)
const environment = "dev";
// the domain your session should be valid on
const domain = ".vitalik.org";
// custom namespace generated using: https://www.uuidtools.com/generate/v4
const sessionNamespace = "01bbc88d-3cd2-465f-8687-e0ea5e8b1231";

const sessionMiddleware: RequestHandler = MasaSessionMiddleware({
  sessionName,
  secret,
  domain,
  ttl,
  environment,
});

app.use(
  cors({
    origin: domain,
    credentials: true,
  })
);

// session related
app.use(
  "/session",
  MasaSessionRouter({
    sessionMiddleware,
    sessionName,
    sessionNamespace,
  })
);

export const soulNameRouter: Router = express.Router();

soulNameRouter.use(sessionMiddleware);
soulNameRouter.use(sessionCheckHandler as never);

soulNameRouter.post(
  "/soul-name/store",
  (request: Request, response: Response) => {
    const result: CreateSoulNameResult = {
      success: false,
      message: "Hello world!",
      errorCode: SoulNameErrorCodes.UnknownError,
    };
    console.log(result);
    response.json(result);
  }
);

app.use(soulNameRouter);

const port: number = 4000; // use whatever port you need

app.listen(port, () => {
  console.log(`Express app listening at 'http://localhost:${port}'`);
});