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@nymphjs/server

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@nymphjs/server

Nymph.js - REST Server


Version published
Maintainers
1
Created

Changelog

Source

1.0.0-beta.63 (2024-06-18)

Bug Fixes

  • undo ts compilation to module change (84be6d4)

Features

  • allow importing from text and iterables (9d766bd)
  • export data iterator (b86aa19)

Readme

Source

Nymph REST Server

Powerful object data storage and querying.

The REST server lets you configure an endpoint for the Nymph client to query and push data to. The server provides this endpoint as an Express middleware, which can be used in a new or existing Express (or compatible) server.

Installation

npm install --save @nymphjs/server

Usage

You need to install Express, Nymph, and a Nymph driver, then you can use the REST server with an optional path. For this example, I'll use the SQLite3 driver with an in-memory database.

import express from 'express';
import { Nymph } from '@nymphjs/nymph';
import SQLite3Driver from '@nymphjs/driver-sqlite3';
import createServer from '@nymphjs/server';

// Import all the entities you will be using on the server.
import MyEntityClass from './entities/MyEntity';

// Configure Nymph.
const nymph = new Nymph(
  {},
  new SQLite3Driver({
    filename: ':memory:',
  }),
);
const MyEntity = nymph.addEntityClass(MyEntityClass);

// Create your Express app.
const app = express();

// Create and use the REST server (with an optional path).
app.use('/rest', createServer(nymph));

// Do anything else you need to do...

// Start your server.
app.listen(80);

You will need to import any entities you use on the server, so they are available to Nymph.

Now you can configure your client, using your server's address (and the optional path, if set).

import { Nymph } from '@nymphjs/client';

import MyEntityClass from './entities/MyEntityClient';

const nymph = new Nymph({
  // You should configure your Express server to
  // use HTTPS, but you don't have to.
  restUrl: 'https://mydomain.tld/rest',
});
const MyEntity = nymph.addEntityClass(MyEntityClass);

The REST server will authenticate for you using the Tilmeld auth cookie and XSRF token, but if you need to, you can authenticate in some other way (like OAuth2), and place the user in response.locals.user.

import express from 'express';
import { Nymph } from '@nymphjs/nymph';
import SQLite3Driver from '@nymphjs/driver-sqlite3';
import { Tilmeld } from '@nymphjs/tilmeld';
import createServer from '@nymphjs/server';
import setup from '@nymphjs/tilmeld-setup';

// Import all the entities you will be using on the server.
import MyEntityClass from './entities/MyEntity';

// Consfigure Tilmeld.
const tilmeld = new Tilmeld({
  appName: 'My Awesome App',
  appUrl: 'https://mydomain.tld',
  setupPath: '/user',
});

// Configure Nymph.
const nymph = new Nymph(
  {},
  new SQLite3Driver({
    filename: ':memory:',
  }),
  tilmeld,
);
const MyEntity = nymph.addEntityClass(MyEntityClass);

// Create your Express app.
const app = express();

// Authenticate the user manually.
app.use('/rest', async (request, response, next) => {
  const { User } = tilmeld;

  try {
    // Somehow authenticate the user...
    const user = await User.factoryUsername(username);

    if (user.guid != null && user.enabled) {
      response.locals.user = user;
    }

    next();
  } catch (e: any) {
    response.status(500);
    response.send('Internal server error.');
  }
});

// Create and use the REST server (with an optional path).
app.use('/rest', createServer(nymph));

// Create Tilmeld setup app.
app.user(
  '/user',
  setup(
    {
      restUrl: 'https://mydomain.tld/rest',
    },
    nymph,
  ),
);

// Do anything else you need to do...

// Start your server.
app.listen(80);

License

Copyright 2021 SciActive Inc

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

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Last updated on 18 Jun 2024

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