Create An Edge App

Creating an Edge App

When Creating an Edge App

• Scaffold the new Edge App using the bun create template from inside the edge-apps/ directory:

  bun create edge-app-template --no-git <app-name>
  

  • The app name should follow the kebab-case naming convention.
• After scaffolding, add an id field to screenly.yml and screenly_qc.yml before running bun run dev.
• Consult Figma designs before starting implementation.
  • Ensure the Figma MCP server is set up in Claude Code.
  • Use the Figma MCP server to access design specifications, mockups, and UI requirements.
  • Extract design tokens such as colors, spacing, typography, and component specifications from Figma.
  • Ensure the implementation matches the approved designs in Figma before proceeding with development.

Reference Apps

For reference on more complex implementations, consult:

• QR Code (edge-apps/qr-code/) — simple, low-footprint example
• Menu Board (edge-apps/menu-board/) — more complex layout
• CAP Alerting (edge-apps/cap-alerting/) — advanced settings and data fetching

All apps depend on the @screenly/edge-apps NPM package and use edge-apps-scripts for tooling.

About the Manifest Files

• Update the categories key to reflect the app's purpose.
• Add any app-specific settings under the settings key, sorted alphabetically.
• More information about manifest files can be found in the Edge Apps documentation in the Screenly/cli repository.

About index.html

• Organize HTML code into templates and Web Components as the app grows in complexity.
• Use HTML content templates first for simpler structures.
• Consider using Web Components for more complex UI components that require encapsulation and reusability.

About README.md

• Include instructions on how to create, build, test, format, lint, and deploy the app.
• Do not add details like the directory structure, as the code frequently changes.

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