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Devtools

VS Code

For the best experience you should install the OVERMIND DEVTOOLS extension. This will allow you to work on your application without leaving the IDE at all.

{% hint style="info" %} If you are using the Insiders version of VSCode the extension will not work. It seems to be some extra security setting. {% endhint %}

Standalone app

Alternatively you can install the standalone application of the devtools. You can start it with the NPM executor as:

npx overmind-devtools@latest

{% hint style="info" %} Adding @latest just ensures that you break any caching, meaning you will always run the latest version {% endhint %}

You can also install the devtools with your project, allowing you to lock a specific version of the devtools to your project:

npm install overmind-devtools

With the package CONCURRENTLY you can start the devtools as you start your build process:

npm install overmind-devtools concurrently

{% code title="package.json" %}

{
  ...
  "scripts": {
    "start": "concurrently \"overmind-devtools\" \"someBuildTool\""
  },
  ...
}

{% endcode %}

Connecting from the application

When you create your application it will automatically connect through localhost:3031, meaning that everything should just work out of the box. If you need to change the port, connect the application over a network (mobile development) or similar, you can configure how the application connects:

import { createOvermind } from 'overmind'
import { config } from './overmind'

const overmind = createOvermind(config, {
  devtools: '10.0.0.1:3031'
})

Connecting on Chromebook

ChromeOS does not expose localhost as normal. That means you need to connect with penguin.termina.linux.test:3031, or you can use the following plugin to forward localhost:

{% embed url="https://chrome.google.com/webstore/detail/connection-forwarder/ahaijnonphgkgnkbklchdhclailflinn/related?hl=en-US" %}

Hot Module Replacement

A popular concept introduced by Webpack is HMR. It allows you to make changes to your code without having to refresh. Overmind automatically supports HMR. That means when HMR is activated Overmind will make sure it updates and manages its state, actions and effects. Even the devtools will be updated as you make changes.