@beignet/core/dist/server/openapi.js

Core framework primitives for Beignet

/**
 * OpenAPI generation handler
 * OpenAPI helpers for the Beignet server runtime.
 */
/**
 * Create a framework-neutral OpenAPI JSON handler.
 *
 * The OpenAPI document is generated lazily on the first request and then cached
 * for the lifetime of the handler.
 */
export function createOpenAPIHandler(contracts, openapiConfig, _env) {
    // Lazily generate OpenAPI spec on first request
    let cachedSpec = null;
    return async (_req) => {
        // Generate spec if not cached
        if (!cachedSpec) {
            try {
                // Dynamic import to avoid hard dependency
                const { contractsToOpenAPI } = await import("../openapi/index.js");
                cachedSpec = contractsToOpenAPI(contracts, {
                    title: openapiConfig?.title ?? "Beignet API",
                    version: openapiConfig?.version ?? "1.0.0",
                    description: openapiConfig?.description,
                });
            }
            catch (error) {
                // OpenAPI generation failed
                return {
                    status: 500,
                    body: {
                        error: "OpenAPI generation failed",
                        message: error instanceof Error ? error.message : "Unknown error",
                    },
                    headers: { "Content-Type": "application/json" },
                };
            }
        }
        return {
            status: 200,
            body: cachedSpec,
            headers: { "Content-Type": "application/json" },
        };
    };
}
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