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CodeSandbox CI

Configuration files, scripts and templates used by CodeSandbox CI, Github Codespaces and Gitpod

Contents

  • ci.json: configuration for codesandbox ci
  • .mjs: script files used by our cli
  • templates: ready to start fabric templates (next, node, vanilla, vue)

Running a Template

To run a template use the cli.

npm run sandbox

Developing

npm start <template>

Start Flow

A sandbox app is started (locally) by our cli as follows:

  • link fabric
  • install dependencies
  • run the dev cmd

The app will reload once fabric builds, see Hot Reload.

Adding a Template

First make sure codesandbox supports the framework you would like to create the sandbox with, see the template section in sandbox configuration.

  • Give a meaningful name to the template's folder, it is used by our cli.
  • A template MUST expose a dev script in package.json starting the app locally for our cli.
  • Configuring the sandbox is done by adding a sandbox.config.json file, see sandbox configuration.
  • Creating a .codesandboxignore file tells the deploy script what to ignore. Deploying is restricted in size so be vigilant with deployed assets.
  • Adding the .codesandbox suffix to a file tells the deploy script to deploy the suffixed file instead of it's counterpart that will be used only locally. e.g. index.ts will be used locally whereas index.codesandbox.ts will be used by the deployed codesandbox.
  • See existing templates for reference.
  • Finally, update the following files to expose the deployed app:

Once the template is initialized run npm start <template> and you're ready to go.

Hot Reload

Unfortunately, hot reload is a pain when trying to watch a linked dependency (though it is an absolute MUST for CI). To workaround that, the cli informs the framework to perform a hot reload when fabric builds by modifying the sandbox's package.json file.

A better solution will be appreciated.