React Template Data Access Endpoint

What This Skill Produces

A safe endpoint integration with aligned parsing and mocks:

• src/data-access/<feature>/<feature>.schema.ts: Zod request/response contracts
• src/data-access/<feature>/<feature>.api.ts: exported API function(s) that parse responses
• mocks/api.mockoon.json: endpoint and response shape alignment
• Feature consumers updated to import from feature-specific data-access modules

When To Use

Use this skill when asked to:

• Add a new backend endpoint to the frontend
• Refactor existing API access to typed parsing
• Fix drift between frontend contracts and Mockoon mocks
• Remove direct httpClient usage from features

Required Inputs

Collect or infer before coding:

• HTTP method and endpoint path
• Request payload and query params
• Response contract (success and expected error formats)
• Calling features and query/mutation usage
• Mockoon behavior required for local/dev flows

Workflow

1. Define or Update Schemas

• Add request/response Zod schemas and exported types in <feature>.schema.ts.
• Keep parsers internal to data-access.
• Validate nested collections/pagination contracts explicitly.

2. Implement API Function

• Add exported function in <feature>.api.ts using httpClient.
• Parse JSON response with schema before returning.
• Keep transport concerns (paths, params, body) inside data-access.

3. Update Callers

• Ensure features import API functions from ~/data-access/<feature>/<feature>.api.
• Remove direct httpClient calls from feature files.
• Keep feature handlers focused on query/mutation orchestration.

4. Sync Mocks

• Update mocks/api.mockoon.json for endpoint path and response shape.
• Keep paths aligned with /api prefix conventions.
• Ensure mock payloads satisfy Zod parsers.

5. Verify

• Run pnpm type-check.
• Run pnpm build if API changes affect route-level features.
• Smoke-test key flows that depend on changed endpoints.

Decision Points

• Schema strictness:

  • Prefer strict object shapes for core entities.
  • Use optional/nullish fields only when backend actually returns them.

• Function granularity:

  • Keep one API function per endpoint/action.
  • Share helper builders only if duplication is substantial.

• Error handling:

  • Normalize known backend error states where the app has explicit flows.
  • Let unknown errors propagate for global handling/toasts.

Completion Checklist

• Endpoint contracts exist in <feature>.schema.ts.
• API function exists in <feature>.api.ts and returns parsed data.
• No direct feature-level httpClient calls remain for changed flows.
• Mockoon endpoint is aligned with path and contract.
• pnpm type-check passes.
• pnpm build passes when affected UI/routes changed.