scaffold project

.envrc

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+if [[ $(type -t use_flake) != function ]]; then
+    echo "ERROR: direnv's use_flake function missing. update direnv to v2.30.0 or later." && exit 1
+fi
+use flake
+dotenv

.gitignore

@@ -0,0 +1,2 @@
+.direnv
+node_modules

flake.nix

@@ -5,8 +5,9 @@
   };
 
   outputs =
-    { self, flake-parts, ... }:
+    inputs@{ flake-parts, ... }:
-    flake-parts.lib.mkFlake { inherit self; } {
+    # https://flake.parts/module-arguments.html
+    flake-parts.lib.mkFlake { inherit inputs; } {
       flake = {
         # Put your original flake attributes here.
       };

nix-cache/.editorconfig

@@ -0,0 +1,12 @@
+# http://editorconfig.org
+root = true
+
+[*]
+indent_style = tab
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.yml]
+indent_style = space

nix-cache/.gitignore

@@ -0,0 +1,167 @@
+# Logs
+
+logs
+_.log
+npm-debug.log_
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# Runtime data
+
+pids
+_.pid
+_.seed
+\*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+
+lib-cov
+
+# Coverage directory used by tools like istanbul
+
+coverage
+\*.lcov
+
+# nyc test coverage
+
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+
+bower_components
+
+# node-waf configuration
+
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+
+build/Release
+
+# Dependency directories
+
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+
+web_modules/
+
+# TypeScript cache
+
+\*.tsbuildinfo
+
+# Optional npm cache directory
+
+.npm
+
+# Optional eslint cache
+
+.eslintcache
+
+# Optional stylelint cache
+
+.stylelintcache
+
+# Microbundle cache
+
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+
+.node_repl_history
+
+# Output of 'npm pack'
+
+\*.tgz
+
+# Yarn Integrity file
+
+.yarn-integrity
+
+# parcel-bundler cache (https://parceljs.org/)
+
+.cache
+.parcel-cache
+
+# Next.js build output
+
+.next
+out
+
+# Nuxt.js build / generate output
+
+.nuxt
+dist
+
+# Gatsby files
+
+.cache/
+
+# Comment in the public line in if your project uses Gatsby and not Next.js
+
+# https://nextjs.org/blog/next-9-1#public-directory-support
+
+# public
+
+# vuepress build output
+
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+
+.temp
+.cache
+
+# Docusaurus cache and generated files
+
+.docusaurus
+
+# Serverless directories
+
+.serverless/
+
+# FuseBox cache
+
+.fusebox/
+
+# DynamoDB Local files
+
+.dynamodb/
+
+# TernJS port file
+
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+
+.vscode-test
+
+# yarn v2
+
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.\*
+
+# wrangler project
+
+.dev.vars*
+!.dev.vars.example
+.env*
+!.env.example
+.wrangler/

nix-cache/.prettierrc

@@ -0,0 +1,6 @@
+{
+	"printWidth": 140,
+	"singleQuote": true,
+	"semi": true,
+	"useTabs": true
+}

nix-cache/.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+	"files.associations": {
+		"wrangler.json": "jsonc"
+	}
+}

nix-cache/AGENTS.md

@@ -0,0 +1,34 @@
+# Cloudflare Workers
+
+STOP. Your knowledge of Cloudflare Workers APIs and limits may be outdated. Always retrieve current documentation before any Workers, KV, R2, D1, Durable Objects, Queues, Vectorize, AI, or Agents SDK task.
+
+## Docs
+
+- https://developers.cloudflare.com/workers/
+- MCP: `https://docs.mcp.cloudflare.com/mcp`
+
+For all limits and quotas, retrieve from the product's `/platform/limits/` page. eg. `/workers/platform/limits`
+
+## Commands
+
+| Command | Purpose |
+|---------|---------|
+| `npx wrangler dev` | Local development |
+| `npx wrangler deploy` | Deploy to Cloudflare |
+| `npx wrangler types` | Generate TypeScript types |
+
+Run `wrangler types` after changing bindings in wrangler.jsonc.
+
+## Node.js Compatibility
+
+https://developers.cloudflare.com/workers/runtime-apis/nodejs/
+
+## Errors
+
+- **Error 1102** (CPU/Memory exceeded): Retrieve limits from `/workers/platform/limits/`
+- **All errors**: https://developers.cloudflare.com/workers/observability/errors/
+
+## Product Docs
+
+Retrieve API references and limits from:
+`/kv/` · `/r2/` · `/d1/` · `/durable-objects/` · `/queues/` · `/vectorize/` · `/workers-ai/` · `/agents/`

nix-cache/README.md

@@ -0,0 +1,14 @@
+# Nix cache proxy for R2
+
+# Heavily based on https://github.com/piperswe/nix-cache
+
+## Setting up on your domain
+
+ 1. Create an A record on the subdomain you want this Worker to run on which points to `192.0.2.1` (see https://community.cloudflare.com/t/a-record-name-for-worker/98841/2 for why)
+ 2. Edit `wrangler.toml`
+    - `account_id` should be your Cloudflare account's tag
+    - `route` should be the subdomain this Worker will run on followed by `/*`
+    - `bucket_name` and `preview_bucket_name` should be the name of the R2 bucket you'll use
+ 3. Run `npm run login` to login to Wrangler
+ 4. Run `npm run deploy`!
+ 5. Upload an `index.html` to your bucket if you want a landing page

nix-cache/package.json

@@ -0,0 +1,19 @@
+{
+	"name": "nix-cache",
+	"version": "0.0.0",
+	"private": true,
+	"scripts": {
+		"deploy": "wrangler deploy",
+		"dev": "wrangler dev",
+		"start": "wrangler dev",
+		"test": "vitest",
+		"cf-typegen": "wrangler types"
+	},
+	"devDependencies": {
+		"@cloudflare/vitest-pool-workers": "^0.12.4",
+		"@types/node": "^25.3.1",
+		"typescript": "^5.5.2",
+		"vitest": "~3.2.0",
+		"wrangler": "^4.68.1"
+	}
+}

nix-cache/test/env.d.ts

@@ -0,0 +1,3 @@
+declare module 'cloudflare:test' {
+	interface ProvidedEnv extends Env {}
+}

nix-cache/test/index.spec.ts

@@ -0,0 +1,24 @@
+import { env, createExecutionContext, waitOnExecutionContext, SELF } from 'cloudflare:test';
+import { describe, it, expect } from 'vitest';
+import worker from '../src/index';
+
+// For now, you'll need to do something like this to get a correctly-typed
+// `Request` to pass to `worker.fetch()`.
+const IncomingRequest = Request<unknown, IncomingRequestCfProperties>;
+
+describe('Hello World worker', () => {
+	it('responds with Hello World! (unit style)', async () => {
+		const request = new IncomingRequest('http://example.com');
+		// Create an empty context to pass to `worker.fetch()`.
+		const ctx = createExecutionContext();
+		const response = await worker.fetch(request, env, ctx);
+		// Wait for all `Promise`s passed to `ctx.waitUntil()` to settle before running test assertions
+		await waitOnExecutionContext(ctx);
+		expect(await response.text()).toMatchInlineSnapshot(`"Hello World!"`);
+	});
+
+	it('responds with Hello World! (integration style)', async () => {
+		const response = await SELF.fetch('https://example.com');
+		expect(await response.text()).toMatchInlineSnapshot(`"Hello World!"`);
+	});
+});

nix-cache/test/tsconfig.json

@@ -0,0 +1,8 @@
+{
+	"extends": "../tsconfig.json",
+	"compilerOptions": {
+		"types": ["@cloudflare/vitest-pool-workers"]
+	},
+	"include": ["./**/*.ts", "../worker-configuration.d.ts"],
+	"exclude": []
+}

nix-cache/tsconfig.json

@@ -0,0 +1,46 @@
+{
+	"compilerOptions": {
+		/* Visit https://aka.ms/tsconfig.json to read more about this file */
+
+		/* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+		"target": "es2024",
+		/* Specify a set of bundled library declaration files that describe the target runtime environment. */
+		"lib": ["es2024"],
+		/* Specify what JSX code is generated. */
+		"jsx": "react-jsx",
+
+		/* Specify what module code is generated. */
+		"module": "es2022",
+		/* Specify how TypeScript looks up a file from a given module specifier. */
+		"moduleResolution": "Bundler",
+		/* Enable importing .json files */
+		"resolveJsonModule": true,
+
+		/* Allow JavaScript files to be a part of your program. Use the `checkJS` option to get errors from these files. */
+		"allowJs": true,
+		/* Enable error reporting in type-checked JavaScript files. */
+		"checkJs": false,
+
+		/* Disable emitting files from a compilation. */
+		"noEmit": true,
+
+		/* Ensure that each file can be safely transpiled without relying on other imports. */
+		"isolatedModules": true,
+		/* Allow 'import x from y' when a module doesn't have a default export. */
+		"allowSyntheticDefaultImports": true,
+		/* Ensure that casing is correct in imports. */
+		"forceConsistentCasingInFileNames": true,
+
+		/* Enable all strict type-checking options. */
+		"strict": true,
+
+		/* Skip type checking all .d.ts files. */
+		"skipLibCheck": true,
+		"types": [
+			"./worker-configuration.d.ts",
+			"node"
+		]
+	},
+	"exclude": ["test"],
+	"include": ["worker-configuration.d.ts", "src/**/*.ts"]
+}

nix-cache/vitest.config.mts

@@ -0,0 +1,11 @@
+import { defineWorkersConfig } from '@cloudflare/vitest-pool-workers/config';
+
+export default defineWorkersConfig({
+	test: {
+		poolOptions: {
+			workers: {
+				wrangler: { configPath: './wrangler.jsonc' },
+			},
+		},
+	},
+});

nix-cache/wrangler.jsonc

@@ -0,0 +1,44 @@
+/**
+ * For more details on how to configure Wrangler, refer to:
+ * https://developers.cloudflare.com/workers/wrangler/configuration/
+ */
+{
+	"$schema": "node_modules/wrangler/config-schema.json",
+	"name": "nix-cache",
+	"main": "src/index.ts",
+	"compatibility_date": "2026-02-26",
+	"observability": {
+		"enabled": true
+	},
+	"compatibility_flags": [
+		"nodejs_compat"
+	]
+	/**
+	 * Smart Placement
+	 * https://developers.cloudflare.com/workers/configuration/smart-placement/#smart-placement
+	 */
+	// "placement": {  "mode": "smart" }
+	/**
+	 * Bindings
+	 * Bindings allow your Worker to interact with resources on the Cloudflare Developer Platform, including
+	 * databases, object storage, AI inference, real-time communication and more.
+	 * https://developers.cloudflare.com/workers/runtime-apis/bindings/
+	 */
+	/**
+	 * Environment Variables
+	 * https://developers.cloudflare.com/workers/wrangler/configuration/#environment-variables
+	 * Note: Use secrets to store sensitive data.
+	 * https://developers.cloudflare.com/workers/configuration/secrets/
+	 */
+	// "vars": {  "MY_VARIABLE": "production_value" }
+	/**
+	 * Static Assets
+	 * https://developers.cloudflare.com/workers/static-assets/binding/
+	 */
+	// "assets": {  "directory": "./public/",  "binding": "ASSETS" }
+	/**
+	 * Service Bindings (communicate between multiple Workers)
+	 * https://developers.cloudflare.com/workers/wrangler/configuration/#service-bindings
+	 */
+	// "services": [  {   "binding": "MY_SERVICE",   "service": "my-service"  } ]
+}