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cloudflare: fixing multiple instances competing with configuration state by always serving fresh

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This commit is contained in:
dswbx
2025-09-03 07:54:40 +02:00
parent 111b2ae364
commit bf521e2931
12 changed files with 61 additions and 187 deletions
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56
app/src/adapter/cloudflare/cloudflare-workers.adapter.ts
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@@ -3,10 +3,10 @@
import type { RuntimeBkndConfig } from "bknd/adapter";
import { Hono } from "hono";
import { serveStatic } from "hono/cloudflare-workers";
import { getFresh } from "./modes/fresh";
import { getCached } from "./modes/cached";
import type { App, MaybePromise } from "bknd";
import type { MaybePromise } from "bknd";
import { $console } from "bknd/utils";
import { createRuntimeApp, type RuntimeOptions } from "bknd/adapter";
import { registerAsyncsExecutionContext, makeConfig, type CloudflareContext } from "./config";
declare global {
namespace Cloudflare {
@@ -16,7 +16,6 @@ declare global {
export type CloudflareEnv = Cloudflare.Env;
export type CloudflareBkndConfig<Env = CloudflareEnv> = RuntimeBkndConfig<Env> & {
mode?: "warm" | "fresh" | "cache";
bindings?: (args: Env) => MaybePromise<{
kv?: KVNamespace;
db?: D1Database;
@@ -34,11 +33,31 @@ export type CloudflareBkndConfig<Env = CloudflareEnv> = RuntimeBkndConfig<Env> &
registerMedia?: boolean | ((env: Env) => void);
};
export type Context<Env = CloudflareEnv> = {
request: Request;
env: Env;
ctx: ExecutionContext;
};
export async function createApp<Env extends CloudflareEnv = CloudflareEnv>(
config: CloudflareBkndConfig<Env>,
ctx: Partial<CloudflareContext<Env>> = {},
opts: RuntimeOptions = {
// by default, require the app to be rebuilt every time
force: true,
},
) {
const appConfig = await makeConfig(
{
...config,
onBuilt: async (app) => {
if (ctx.ctx) {
registerAsyncsExecutionContext(app, ctx?.ctx);
}
await config.onBuilt?.(app);
},
},
ctx,
);
return await createRuntimeApp<Env>(appConfig, ctx?.env, opts);
}
// compatiblity
export const getFresh = createApp;
export function serve<Env extends CloudflareEnv = CloudflareEnv>(
config: CloudflareBkndConfig<Env> = {},
@@ -77,23 +96,8 @@ export function serve<Env extends CloudflareEnv = CloudflareEnv>(
}
}
const context = { request, env, ctx } as Context<Env>;
const mode = config.mode ?? "warm";
let app: App;
switch (mode) {
case "fresh":
app = await getFresh(config, context, { force: true });
break;
case "warm":
app = await getFresh(config, context);
break;
case "cache":
app = await getCached(config, context);
break;
default:
throw new Error(`Unknown mode ${mode}`);
}
const context = { request, env, ctx } as CloudflareContext<Env>;
const app = await createApp(config, context);
return app.fetch(request, env, ctx);
},