75 lines
2.4 KiB
TypeScript
75 lines
2.4 KiB
TypeScript
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import { z } from "zod";
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import type { AnyRouter } from "@trpc/server";
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import * as trpcNext from "@calcom/trpc/server/adapters/next";
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import { createContext as createTrpcContext } from "@calcom/trpc/server/createContext";
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/**
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* Creates an API handler executed by Next.js.
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*/
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export function createNextApiHandler(router: AnyRouter, isPublic: boolean = false) {
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return trpcNext.createNextApiHandler({
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router,
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/**
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* @link https://trpc.io/docs/context
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*/
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createContext: ({ req, res }) => {
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return createTrpcContext({ req, res });
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},
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/**
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* @link https://trpc.io/docs/error-handling
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*/
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onError({ error }) {
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if (error.code === "INTERNAL_SERVER_ERROR") {
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// send to bug reporting
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console.error("Something went wrong", error);
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}
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},
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/**
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* Enable query batching
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*/
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batching: {
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enabled: true,
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},
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/**
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* @link https://trpc.io/docs/caching#api-response-caching
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*/
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responseMeta({ ctx, paths, type, errors }) {
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const allOk = errors.length === 0;
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const isQuery = type === "query";
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const noHeaders = {};
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// We cannot set headers on SSG queries
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if (!ctx?.res) return noHeaders;
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const defaultHeaders: Record<"headers", Record<string, string>> = {
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headers: {},
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};
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const timezone = z.string().safeParse(ctx.req?.headers["x-vercel-ip-timezone"]);
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if (timezone.success) defaultHeaders.headers["x-cal-timezone"] = timezone.data;
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// We need all these conditions to be true to set cache headers
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if (!(isPublic && allOk && isQuery)) return defaultHeaders;
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// No cache by default
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defaultHeaders.headers["cache-control"] = `no-cache`;
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if (isPublic && paths) {
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const ONE_DAY_IN_SECONDS = 60 * 60 * 24;
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const cacheRules = {
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"session": `no-cache`,
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"i18n": `no-cache`,
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// Revalidation time here should be 1 second, per https://github.com/calcom/cal.com/pull/6823#issuecomment-1423215321
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"slots.getSchedule": `no-cache`, // FIXME
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"cityTimezones": `max-age=${ONE_DAY_IN_SECONDS}, stale-while-revalidate`,
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} as const;
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const matchedPath = paths.find((v) => v in cacheRules) as keyof typeof cacheRules;
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if (matchedPath) defaultHeaders.headers["cache-control"] = cacheRules[matchedPath];
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}
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return defaultHeaders;
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},
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});
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};
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