@cran/gql.koa/mjs/middleware/health.js

Cran/GraphQL Koa Server

/* eslint-disable require-atomic-updates */
async function defaultHealth(_) {
    return true;
}
export function health(getHealth = defaultHealth) {
    return async function healthMiddleware(ctx) {
        ctx.set("Content-Type", "application/health+json");
        let healthy = true;
        try {
            healthy = await getHealth(ctx);
        }
        catch {
            healthy = false;
        }
        if ("boolean" === typeof healthy) {
            healthy = { status: healthy ? "pass" : "fail", };
        }
        if ("fail" === healthy.status) {
            ctx.status = 503;
        }
        ctx.body = healthy;
    };
}