chore: improve tsconfig strictness and ci workflows

.github/workflows/checks.yml

@@ -1,19 +1,36 @@
 name: Code checks
+
 on:
   push:
     branches: [main]
   pull_request:
     branches: [main]
+
 jobs:
-  test:
-    timeout-minutes: 60
+  checks:
+    name: ${{ matrix.script }}
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        script: ["prettier:check", "lint:check", "ts:check", "test"]
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
         with:
-          node-version: lts/*
+          version: 9
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "pnpm"
+
       - name: Install dependencies
-        run: npm install -g pnpm && pnpm install
-      - name: Run code checks
-        run: pnpm code:checks
+        run: pnpm install --frozen-lockfile
+
+      - name: ${{ matrix.script }}
+        run: pnpm run ${{ matrix.script }}

.github/workflows/playwright.yml

@@ -1,25 +1,40 @@
 name: Playwright Tests
+
 on:
   push:
     branches: [main]
   pull_request:
     branches: [main]
+
 jobs:
   test:
-    timeout-minutes: 60
+    timeout-minutes: 30
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - name: Check out code
+        uses: actions/checkout@v4
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
         with:
-          node-version: lts/*
+          version: 9
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: "pnpm"
+
       - name: Install dependencies
-        run: npm install -g pnpm && pnpm install
-      - name: build all workers
+        run: |
+          pnpm install --frozen-lockfile
+          pnpm run install-playwright
+
+      - name: Build all workers
         run: pnpm -r build:worker
-      - name: Install Playwright browsers
-        run: pnpm run install-playwright
+
       - name: Run playwright tests
         run: pnpm e2e
+
       - name: Run playwright dev tests
         run: pnpm e2e:dev

package.json

@@ -12,7 +12,9 @@
     "prettier:fix": "prettier --write .",
     "lint:check": "pnpm -r lint:check",
     "lint:fix": "pnpm -r lint:fix",
-    "code:checks": "pnpm lint:check && pnpm lint:check",
+    "ts:check": "pnpm -r ts:check",
+    "test": "pnpm -r test",
+    "code:checks": "pnpm prettier:check && pnpm lint:check && pnpm ts:check",
     "code:fixes": "pnpm prettier:fix && pnpm lint:fix",
     "postinstall": "pnpm --filter cloudflare build",
     "install-playwright": "playwright install --with-deps",

packages/cloudflare/env.d.ts

@@ -0,0 +1,12 @@
+declare global {
+  namespace NodeJS {
+    interface ProcessEnv {
+      ASSETS: Fetcher;
+      __NEXT_PRIVATE_STANDALONE_CONFIG?: string;
+      SKIP_NEXT_APP_BUILD?: string;
+      [key: string]: string;
+    }
+  }
+}
+
+export {};

packages/cloudflare/package.json

@@ -7,6 +7,7 @@
     "build:watch": "tsup --watch src",
     "lint:check": "eslint",
     "lint:fix": "eslint --fix",
+    "ts:check": "tsc --noEmit",
     "test": "vitest --run",
     "test:watch": "vitest"
   },
@@ -41,6 +42,7 @@
   "devDependencies": {
     "@cloudflare/workers-types": "catalog:",
     "@eslint/js": "catalog:",
+    "@tsconfig/strictest": "catalog:",
     "@types/node": "catalog:",
     "esbuild": "catalog:",
     "eslint": "catalog:",

packages/cloudflare/src/api/get-cloudflare-context.ts

@@ -16,7 +16,7 @@ export type CloudflareContext<
   /**
    * the request's [cf properties](https://developers.cloudflare.com/workers/runtime-apis/request/#the-cf-property-requestinitcfproperties)
    */
-  cf: CfProperties;
+  cf: CfProperties | undefined;
   /**
    * the current [execution context](https://developers.cloudflare.com/workers/runtime-apis/context)
    */

packages/cloudflare/src/cli/build/patches/investigated/update-webpack-chunks-file/get-chunk-installation-identifiers.ts

@@ -55,7 +55,7 @@ function getInstallChunkDeclaration(sourceFile: ts.SourceFile): ts.VariableDecla
 
       // the function we're looking for accesses its parameter three times, and it
       // accesses its `modules`, `ids` and `runtime` properties (in this order)
-      const parameterName = functionParameters[0].getText();
+      const parameterName = functionParameters[0]!.getText();
       const functionParameterAccessedProperties = arrowFunctionBodyBlock
         .getDescendantsOfKind(ts.SyntaxKind.PropertyAccessExpression)
         .filter(

packages/cloudflare/src/cli/build/patches/to-investigate/wrangler-deps.ts

@@ -1,4 +1,4 @@
-import fs, { writeFileSync } from "node:fs";
+import { readFileSync, statSync, writeFileSync } from "node:fs";
 import { Config } from "../../../config";
 import path from "node:path";
 
@@ -15,11 +15,12 @@ export function patchWranglerDeps(config: Config) {
   // "critters" = "./.next/standalone/node_modules/cf/templates/shims/empty.ts"
   const pagesRuntimeFile = path.join(distPath, "compiled", "next-server", "pages.runtime.prod.js");
 
-  const patchedPagesRuntime = fs
-    .readFileSync(pagesRuntimeFile, "utf-8")
-    .replace(`e.exports=require("critters")`, `e.exports={}`);
+  const patchedPagesRuntime = readFileSync(pagesRuntimeFile, "utf-8").replace(
+    `e.exports=require("critters")`,
+    `e.exports={}`
+  );
 
-  fs.writeFileSync(pagesRuntimeFile, patchedPagesRuntime);
+  writeFileSync(pagesRuntimeFile, patchedPagesRuntime);
 
   // Patch .next/standalone/node_modules/next/dist/server/lib/trace/tracer.js
   //
@@ -33,11 +34,12 @@ export function patchWranglerDeps(config: Config) {
   // #"@opentelemetry/api" = "./.next/standalone/node_modules/cf/templates/shims/throw.ts"
   const tracerFile = path.join(distPath, "server", "lib", "trace", "tracer.js");
 
-  const pacthedTracer = fs
-    .readFileSync(tracerFile, "utf-8")
-    .replaceAll(/\w+\s*=\s*require\([^/]*opentelemetry.*\)/g, `throw new Error("@opentelemetry/api")`);
+  const patchedTracer = readFileSync(tracerFile, "utf-8").replaceAll(
+    /\w+\s*=\s*require\([^/]*opentelemetry.*\)/g,
+    `throw new Error("@opentelemetry/api")`
+  );
 
-  writeFileSync(tracerFile, pacthedTracer);
+  writeFileSync(tracerFile, patchedTracer);
 }
 
 /**
@@ -56,7 +58,7 @@ function getDistPath(config: Config): string {
   for (const root of [config.paths.standaloneApp, config.paths.standaloneRoot]) {
     try {
       const distPath = path.join(root, "node_modules", "next", "dist");
-      if (fs.statSync(distPath).isDirectory()) return distPath;
+      if (statSync(distPath).isDirectory()) return distPath;
     } catch {
       /* empty */
     }

packages/cloudflare/src/cli/templates/worker.ts

@@ -1,10 +1,11 @@
+import type { ExportedHandler, Fetcher } from "@cloudflare/workers-types";
 import { NodeNextRequest, NodeNextResponse } from "next/dist/server/base-http/node";
 import { AsyncLocalStorage } from "node:async_hooks";
-import { type CloudflareContext } from "../../api";
+import type { CloudflareContext } from "../../api";
 import type { IncomingMessage } from "node:http";
 import { MockedResponse } from "next/dist/server/lib/mock-request";
 import type { NextConfig } from "next";
-import { type NodeRequestHandler } from "next/dist/server/next-server";
+import type { NodeRequestHandler } from "next/dist/server/next-server";
 import Stream from "node:stream";
 
 const NON_BODY_RESPONSES = new Set([101, 204, 205, 304]);
@@ -30,8 +31,7 @@ const nextConfig: NextConfig = JSON.parse(process.env.__NEXT_PRIVATE_STANDALONE_
 let requestHandler: NodeRequestHandler | null = null;
 
 export default {
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  async fetch(request: Request & { cf: IncomingRequestCfProperties }, env: any, ctx: any) {
+  async fetch(request, env, ctx) {
     return cloudflareContextALS.run({ env, ctx, cf: request.cf }, async () => {
       if (requestHandler == null) {
         globalThis.process.env = { ...globalThis.process.env, ...env };
@@ -42,7 +42,7 @@ export default {
           .default as typeof import("next/dist/server/next-server").default;
 
         requestHandler = new NextNodeServer({
-          conf: { ...nextConfig, env },
+          conf: nextConfig,
           customServer: false,
           dev: false,
           dir: "",
@@ -58,18 +58,17 @@ export default {
         if (imageUrl.startsWith("/")) {
           return env.ASSETS.fetch(new URL(imageUrl, request.url));
         }
-        // @ts-ignore
-        return fetch(imageUrl, { cf: { cacheEverything: true } } as unknown);
+        return fetch(imageUrl, { cf: { cacheEverything: true } });
       }
 
       const { req, res, webResponse } = getWrappedStreams(request, ctx);
 
-      ctx.waitUntil(requestHandler!(new NodeNextRequest(req), new NodeNextResponse(res)));
+      ctx.waitUntil(Promise.resolve(requestHandler(new NodeNextRequest(req), new NodeNextResponse(res))));
 
       return await webResponse();
     });
   },
-};
+} as ExportedHandler<{ ASSETS: Fetcher }>;
 
 function getWrappedStreams(request: Request, ctx: ExecutionContext) {
   const url = new URL(request.url);

packages/cloudflare/tsconfig.json

@@ -1,12 +1,18 @@
 {
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "@tsconfig/strictest/tsconfig.json",
   "compilerOptions": {
     "target": "ESNext",
     "module": "ESNext",
+    "lib": ["ESNext"],
     "moduleResolution": "Bundler",
-    "esModuleInterop": true,
+
+    "types": ["@cloudflare/workers-types"],
+
     "forceConsistentCasingInFileNames": true,
-    "strict": true,
-    "skipLibCheck": true,
-    "types": ["@cloudflare/workers-types"]
-  }
+    "noImplicitReturns": false,
+    "exactOptionalPropertyTypes": false
+  },
+  "include": ["**/*.ts"],
+  "exclude": ["dist"]
 }

pnpm-workspace.yaml

@@ -6,6 +6,7 @@ catalog:
   "@cloudflare/workers-types": ^4.20240925.0
   "@eslint/js": ^9.11.1
   "@playwright/test": 1.47.0
+  "@tsconfig/strictest": "^2.0.5"
   "@types/node": ^22.2.0
   "@types/react": ^18
   "@types/react-dom": ^18