github-action

designlang — Design Regression Guard

GitHub Action that runs designlang on every pull request, diffs the extracted design tokens against a committed baseline, and comments the changes.

Example workflow

name: Design Regression Guard

on:
  pull_request:
    paths:
      - 'src/**'
      - 'app/**'
      - 'tailwind.config.*'

jobs:
  design-diff:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with: { node-version: '20' }
      - uses: Manavarya09/design-extract/github-action@v1
        with:
          url: https://preview-${{ github.event.number }}.yoursite.dev
          baseline: ./design-tokens.baseline.json
          fail-on-change: false

Inputs

Name	Required	Default	Description
url	✅	—	URL to extract from. Typically a PR preview deploy.
baseline	✅	—	Path to the committed baseline tokens file.
comment		true	Post a PR comment with the diff.
fail-on-change		false	Fail the job if any token changed.
full		false	Pass --full to designlang.
extra-args		—	Extra CLI args.

Outputs

• changed — true/false
• changed-count — number of changed tokens
• diff-path — path to the generated diff markdown

Publishing

git tag v1 && git push --tags

Then list on the GitHub Marketplace via the repo's Actions tab.