nene2-jsTypeScript Client for NENE2

OpenAPI-aligned types, typed fetch, RFC 9457 Problem Details — Node 22+ and browsers, zero runtime dependencies.

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Published on npm

@hideyukimori/nene2-client@1.0.0 — strict TypeScript, ESM, npm provenance. GitHub Releases tag each semver publish.

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Contract copied from NENE2 and checked in CI. Codegen keeps `components['schemas']` aligned with exported guards and client types.

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Parse `application/problem+json`, detect `validation-failed`, and surface field-level errors — same RFC 9457 story as the PHP framework.

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No axios, no heavy HTTP stack. Inject `fetch` for tests, forward `AbortSignal` for cancellation, opt into degraded health (503).

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Not a Node port of NENE2. PHP runtime stays in NENE2; MCP in nene-mcp; parity ports in nene2-python / nene2-node.

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Hundreds of automated client scenarios plus ADR-backed friction cycles — DX fixes land as Issues and PRs, not silent drift.