fix: correctly read env on workers

apps/worker-playground/.gitignore

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

apps/worker-playground/package.json

@@ -0,0 +1,15 @@
+{
+  "private": true,
+  "type": "module",
+  "name": "worker-playground",
+  "scripts": {
+    "dev": "wrangler dev",
+    "gen:types": "wrangler types"
+  },
+  "dependencies": {
+    "evlog": "workspace:*"
+  },
+  "devDependencies": {
+    "wrangler": "^4.61.1"
+  }
+}

apps/worker-playground/src/index.ts

@@ -0,0 +1,18 @@
+import { initLogger, createRequestLogger } from 'evlog'
+
+initLogger()
+
+export default {
+  fetch(request: Request): Response {
+    const log = createRequestLogger({
+      method: request.method,
+      path: new URL(request.url).pathname,
+      requestId: request.headers.get('CF-Request-ID') || undefined,
+    })
+
+    log.set({ customField: 'customValue' })
+
+    log.emit()
+    return new Response('Hello World!')
+  }
+}

apps/worker-playground/tsconfig.json

@@ -0,0 +1,15 @@
+{
+	"compilerOptions": {
+		"target": "esnext",
+		"lib": ["esnext"],
+		"module": "esnext",
+		"moduleResolution": "bundler",
+		"types": ["./worker-configuration.d.ts"],
+		"noEmit": true,
+		"isolatedModules": true,
+		"forceConsistentCasingInFileNames": true,
+		"skipLibCheck": true,
+		"strict": true
+	},
+	"include": ["src"]
+}