1645labs/Differ PR Preview
Generate and publish a mobile-friendly difftastic PR preview through the Differ SaaS.
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- Scorecard Score
- not yet scored
- Maintenance Recency
- Activelast commit Mar 21, 2026
- License
- MIT
Pinned Snippet
uses: 1645labs/differ-action@35a5e62adb2e0eb460122f09974bff732670f3ab # v1tags can be moved; commit SHAs can't. why a SHA?
Inputs
| name | description | required | default |
|---|---|---|---|
| api-key | API key for an active Differ repo entitlement. | yes | — |
| service-url | Differ SaaS base URL. Defaults to the hosted production service. | no | — |
| github-token | Token used to upsert the PR preview comment. Defaults to GITHUB_TOKEN if present. | no | — |
| pr-number | Optional PR number override for manual dispatch or custom workflows. | no | — |
| base-sha | Optional base commit SHA override. | no | — |
| head-sha | Optional head commit SHA override. | no | — |
| max-file-bytes | Optional semantic diff size limit override. | no | — |
| difftastic-version | Difftastic release version to download. | no | — |
Outputs
| name | description |
|---|---|
| access-url | Short-lived preview access URL. |
| stable-url | Stable preview route for the PR. |
| expires-at | Access URL expiry timestamp. |
| version-key | Published preview version key, usually the head SHA. |