feat: use r2 for data storage

src/routes/gateway_github.ts

@@ -1,10 +1,15 @@
 import type { HonoContext } from "../types";
 import { OpenAPIHono } from "@hono/zod-openapi";
-import { cache, createError } from "../utils";
+import { cache } from "hono/cache";
+import { createError } from "../utils";
 import { GITHUB_EMOJIS_ROUTE } from "./gateway_github.openapi";
 
 export const GATEWAY_GITHUB_ROUTER = new OpenAPIHono<HonoContext>().basePath("/api/gateway/github");
 
+GATEWAY_GITHUB_ROUTER.get("*", cache({
+  cacheName: "github-emojis",
+  cacheControl: "max-age=3600, immutable",
+}));
 GATEWAY_GITHUB_ROUTER.openapi(GITHUB_EMOJIS_ROUTE, async (c) => {
   const response = await fetch("https://api.github.com/emojis", {
     headers: {
@@ -24,7 +29,5 @@ GATEWAY_GITHUB_ROUTER.openapi(GITHUB_EMOJIS_ROUTE, async (c) => {
 
   const emojis = await response.json<Record<string, string>>();
 
-  cache(c, 3600, true);
-
   return c.json(emojis, 200);
 });

src/routes/random-emoji.ts

@@ -1,10 +1,14 @@
 import type { HonoContext } from "../types";
 import { Hono } from "hono";
-import { cache } from "../utils";
+import { cache } from "hono/cache";
 
 export const RANDOM_EMOJI_ROUTER = new Hono<HonoContext>();
 
+RANDOM_EMOJI_ROUTER.get("/random-emoji.png", cache({
+  cacheName: "random-emoji",
+  cacheControl: "max-age=3600, immutable",
+}));
+
 RANDOM_EMOJI_ROUTER.get("/random-emoji.png", async (c) => {
-  cache(c, 60 * 60);
   return c.redirect("https://image.luxass.dev/api/image/emoji");
 });

src/routes/v1_categories.ts

@@ -1,5 +1,7 @@
 import type { HonoContext } from "../types";
 import { OpenAPIHono, z } from "@hono/zod-openapi";
+import { cache } from "hono/cache";
+import { HTTPException } from "hono/http-exception";
 import { versionMiddleware } from "../middlewares/version";
 import { EmojiCategorySchema } from "../schemas";
 import { createError } from "../utils";
@@ -9,13 +11,20 @@ export const V1_CATEGORIES_ROUTER = new OpenAPIHono<HonoContext>().basePath("/ap
 
 V1_CATEGORIES_ROUTER.use(versionMiddleware);
 
+V1_CATEGORIES_ROUTER.get("*", cache({
+  cacheName: "v1-categories",
+  cacheControl: "max-age=3600, immutable",
+}));
+
 V1_CATEGORIES_ROUTER.openapi(ALL_CATEGORIES_ROUTE, async (c) => {
   const version = c.req.param("version");
 
-  const res = await fetch(`https://raw.githubusercontent.com/mojisdev/emoji-data/refs/heads/main/data/v${version}/groups.json`);
+  const res = await c.env.EMOJI_DATA.get(`v${version}/groups.json`);
 
-  if (!res.ok) {
-    return createError(c, 500, "failed to fetch categories");
+  if (res == null) {
+    throw new HTTPException(500, {
+      message: "failed to fetch categories",
+    });
   }
 
   const data = await res.json();
@@ -38,10 +47,12 @@ V1_CATEGORIES_ROUTER.openapi(GET_CATEGORY_ROUTE, async (c) => {
   const version = c.req.param("version");
   const categorySlug = c.req.param("category");
 
-  const res = await fetch(`https://raw.githubusercontent.com/mojisdev/emoji-data/refs/heads/main/data/v${version}/groups.json`);
+  const res = await c.env.EMOJI_DATA.get(`v${version}/groups.json`);
 
-  if (!res.ok) {
-    return createError(c, 500, "failed to fetch categories");
+  if (res == null) {
+    throw new HTTPException(500, {
+      message: "failed to fetch categories",
+    });
   }
 
   const data = await res.json();

src/utils.ts

@@ -32,15 +32,3 @@ export async function getAvailableVersions(): Promise<EmojiLock["versions"]> {
 
   return result.data.versions;
 }
-
-export function cache<TCtx extends Context>(ctx: TCtx, age: number, immutable = false) {
-  if (age === -1) {
-    ctx.header("Expires", "0");
-    ctx.header("Pragma", "no-cache");
-    ctx.header("Cache-Control", "no-cache, no-store, must-revalidate");
-    return;
-  }
-
-  ctx.header("Expires", new Date(Date.now() + age * 1000).toUTCString());
-  ctx.header("Cache-Control", ["public", `max-age=${age}`, immutable ? "immutable" : null].filter((x) => !!x).join(", "));
-};

worker-configuration.d.ts

@@ -1,10 +1,11 @@
-// Generated by Wrangler by running `wrangler types --env-interface CloudflareBindings` (hash: e71cf0de9c927e7e3f2e02a5b583aba3)
+// Generated by Wrangler by running `wrangler types --env-interface CloudflareBindings` (hash: c476c03844aa0429b0aacf2d2d7c8815)
 // Runtime types generated with [email protected] 2025-03-13 
 declare namespace Cloudflare {
 	interface Env {
 		API_VERSION: "x.y.z";
 		ENVIRONMENT: "preview" | "production";
 		GITHUB_TOKEN: string;
+		EMOJI_DATA: R2Bucket;
 	}
 }
 interface CloudflareBindings extends Cloudflare.Env {}

wrangler.jsonc

@@ -13,6 +13,12 @@
     "GITHUB_TOKEN": "",
     "API_VERSION": "x.y.z"
   },
+  "r2_buckets": [
+    {
+      "binding": "EMOJI_DATA",
+      "bucket_name": "mojis"
+    }
+  ],
   "placement": { "mode": "smart" },
   "env": {
     "preview": {
@@ -24,7 +30,13 @@
       "route": {
         "custom_domain": true,
         "pattern": "api.preview.mojis.dev"
-      }
+      },
+      "r2_buckets": [
+        {
+          "binding": "EMOJI_DATA",
+          "bucket_name": "mojis-preview"
+        }
+      ]
     },
     "production": {
       "name": "mojis-api",
@@ -35,7 +47,13 @@
       "route": {
         "custom_domain": true,
         "pattern": "api.mojis.dev"
-      }
+      },
+      "r2_buckets": [
+        {
+          "binding": "EMOJI_DATA",
+          "bucket_name": "mojis"
+        }
+      ]
     }
   }
 }