skills/ google-labs-code/stitch-skills

stitch::code-to-design

Convert frontend code (Vite, React, Angular, Vue, etc.) to a Stitch Design by chaining static HTML extraction, design system extraction, and file upload. **ALWAYS** use this skill when the user's intent is to move existing web apps or React/Angular/Vue components into Stitch (e.g., requests to "save

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Code to Design

Transform your existing frontend code (React + Vite, Next.js, Angular, Vue, etc.) into a Stitch Design so you can iterate and improve it using Stitch.

This skill orchestrates three other skills in sequence:

  1. extract-static-html: Extract a single self-contained HTML file from your build output or running dev server (e.g., Vite dev server or Angular CLI ng serve).
  2. extract-design-md: Analyze the source code (including Angular angular.json, external .html templates, theme files, and components) to create a design system (DESIGN.md).
  3. upload-to-stitch: Upload that HTML file and the design system to your Stitch project.

Workflow

Follow these steps to convert your existing code.

Prerequisites

  • A running local dev server (e.g. npm run dev, ng serve) OR a built web application directory containing index.html and assets.
  • Target Stitch projectId (use list_projects if unknown).

Steps

1. Extract Self-Contained HTML

Delegate to the extract-static-html skill to generate a standalone HTML file. Read skills/extract-static-html/SKILL.md for detailed instructions and script usage.

Expected output: A single file like /path/to/extracted/standalone.html.

2. Verify HTML (Optional — User-Driven)

After extraction, inform the user of the output file path so they can manually verify in a browser if desired. Do not block on verification — proceed directly to Step 3.

If the user reports issues after reviewing, fix them before continuing.

3. Extract Design System (File)

Delegate to the extract-design-md skill to analyze the project's source files (components, stylesheets, theme configs) and produce a design system. Read skills/extract-design-md/SKILL.md for the full analysis workflow.

Write .stitch/DESIGN.md following the extract-design-md skill's output structure.

4. Upload DESIGN.md and Create Design System in Stitch

Delegate to the manage-design-system skill to upload the DESIGN.md and create the design system in Stitch. Read skills/manage-design-system/SKILL.md for the full workflow (upload script usage, create_design_system_from_design_md call, and required schemas). Pass --generated-by 'stitch::code-to-design' when uploading.

5. Upload HTML to Stitch

Use the same upload-to-stitch skill's script to upload the extracted HTML file. Read skills/upload-to-stitch/SKILL.md for detailed instructions and script usage.

You will need:

  • The path to the standalone HTML file generated in Step 1.
  • Your Stitch API Key (same key used in Step 4).
  • The target projectId.
  • The --generated-by argument set to 'stitch::extract-static-html'.
  • The --title argument set to the route path of the page (e.g., '/dashboard', '/settings/profile', '/inbox') so that the screen name/title in Stitch clearly identifies its route in the application.

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