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    Dashund / dachshund

    Tools for making dashboards as simple and quick as possible

    Table of contents

    What is this?

    Dashund is a framework for creating dashboards, aiming at doing the boring parts of authenticating and connecting RESTful APIs together and re-serving content.

    Say you connect to Spotify to get songs using their RESTful API and you want to show whats playing on a screen. You create a Token in Dashund to handle the auth process and an Endpoint to poll for data at a set interval.

    You use the CLI to create an authentication using your Token. Then you run dashund as a server which performs your Endpoints using those tokens (re-authenticating when needed) and re-serve the responses over http and publish WebSocket events.

    The CLI is designed to be run accross SSH so you can perform web-based hooks on your local machine and store the values on your remote server. I.E. doing a OAuth2 web flow and storing the tokens back on the server

    Your web app can now initially fetch the value using the http API and subscribe to WebSocket events to be pushed new values.

    Project components

    • A CLI for managing widgets within zones
    • A CLI for authenticating with 3rd party services and storing access tokens
    • An API for reading in widgets, zones and tokens
    • An API for scaffolding an http JSON RESTful API
    • An API for scaffolding a socket based subscription to endpoints
    • UI utilities to subscribe to the sockets (WIP)
    • UI components for rendering widgets in zones (WIP)

    File structure

    Dashund stores access tokens and widgets locally, wherever you are running it, in a folder called .dashund

    dashund.js     # module.exports = new Dashund(...) 
    cli.js         # imports dashund and calls runCLI(...) 
    server.js      # imports dashund and calls runServer(...) 
      widgets.yml  # YAML config for where widgets are stored 
      tokens.json  # JSON config for access tokens 

    The CLI

    The CLI is designed to be interactive-first, to provide the best human experience. Its inspired by kubernete's resource-based approach with the resources being Token, Widget and Zone.

    Usage: dashund <command>
      cli.js get            Display resources
      cli.js create [type]  Create a new resource
      cli.js check          Check token authentication
      cli.js serve [port]   Run the dashund server
      --version   Show version number                                      [boolean]
      --help, -h  Show help                                                [boolean]
      --path      The path where your .dashund folder is              [default: cwd]

    The API

    A Token

    First you'll want a token, a factory for authenticating to a 3rd party service, e.g. tokens.js

    const { runTemporaryServer } = require('dashund')
    const axios = require('axios')
    exports.GitHub = {
      // A method for creating the token, with user input
      // and potentially a temporary server for handling callbacks
      async createFromCLI(dashund) {
        const callbackURL = dashund.makeCallbackURL()
        console.log(`Visit ${callbackURL}`)
        let token = null
        await runTemporaryServer(3000, (app, close) => {
          app.get('/', (req, res) => res.redirect('...'))
'/callback', (req, res) => {
            token = req.body
            res.send('Go back to the terminal!')
        return token
      // A second method for letting dashund know when that token has expired
      hasExpired(token) {
        return token.expiresAt <
      // A third method for re-authenticating if a token becomes invalid / expires
      // - This can't have user input
      async refreshToken(token) {
        let res = await'...', {
          refresh_token: token.refreshToken

    A Widget

    Second you'll need a widget which will render things on the front end, e.g. widgets.js

    exports.GitHubActivity = {
      requiredEndpoints = ['github/activity']
      create({ title = '' }) {
        return { title }
      async createFromCLI() {
        const { title } = await prompts({
          type: 'string',
          name: 'title',
          message: 'Widget name'
        return { title }

    An endpoint

    Third create endpoints which use the tokens to fetch data, e.g. endpoints.js

    const axios = require('axios')
    module.exports = [
        name: 'github/activity',
        requiredTokens: ['GitHub'],
        interval: '5m',
        handler: async ctx => {
          let { accessToken } = ctx.tokens.get('GitHub')
          let headers = { authorization: `Bearer ${accessToken}` }
          let res = await axios.get('...', { headers })

    Configuring dashund

    Next, create your instance, e.g. dashund.js

    const { Dashund } = require('dashund')
    // Import your token and widget factories and endpoints
    const widgets = require('./widgets')
    const tokens = require('./tokens')
    const endpoints = require('./endpoints')
    // Export an instance of Dashund
    module.exports = new Dashund(widgets, tokens, endpoints)

    Then create a CLI entrypoint, cli.js

    const dashund = require('./dashund')

    Finally create a server entrypoint, server.js

    const dashund = require('./dashund')
    ;(async () => {
      await dashund.runServer(3000)
      console.log('Listening on :3000')

    Now you can run the cli with node cli.js and the server with node server.js.

    Example usage

    Here are some example requests with httpie

    # Fetch a specify resource, calling it's handler 

    Example socket subscriptions with akita-ws:

    akita wss://
    > {"type""sub""name""github/activity"}
    > {"type""unsub""name""github/activity"}

    Extra configuration

    After the widgets, tokens and endpoints you can also pass an extra options object to configure dashund more.

    • path is the relative path to your .dashund folder
    • hostname is the hostname the cli will appear as when authenticating tokens
    • corsHosts is an array of hosts that the server will accept cors requests from
    • authenticator is a function to authenticate some requests and all sockets, it gets passed an http.IncomingMessage




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