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afv-library/samples/webapp-template-app-react-sample-b2x-experimental/.a4drules/webapp-images.md

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Image handling rules - Unsplash default, CSP compliance, accessibility
force-app/main/default/webapplications/**/*

Images

Guidelines:

  • Default to Unsplash when the user does not specify an image source; it is pre-configured in CSP and works in Salesforce without extra setup.
  • Use URL format: https://images.unsplash.com/photo-{PHOTO_ID}?w={WIDTH}&h={HEIGHT}&fit=crop&q=80&auto=format (e.g. photo ID 1557683316-973673baf926).
  • If the user requests a different source, use it and inform: "Add CSP Trusted Site in Setup → Security → CSP Trusted Sites".
  • Always add descriptive alt text; use alt="" only for decorative images.
  • Avoid placeholder.com, picsum.photos, via.placeholder.com unless requested.
  • CSP-approved domains: images.unsplash.com (primary), source.unsplash.com, images.pexels.com.