details what is changed in the copied files

packages/create-cloudflare/src/helpers/config-cache.ts

@@ -1,4 +1,7 @@
-// Copied from packages/wrangler/src/config-cache.ts
+// Copied from packages/wrangler/src/config-cache.ts with the following changes:
+// - Removed methods not required for c3
+// - Commented out the debug message as it breaks the command line interface
+
 import { readFileSync } from "node:fs";
 import * as path from "node:path";
 import { findUpSync } from "find-up";
@@ -16,7 +19,7 @@ function getCacheFolder() {
 		? path.join(closestNodeModulesDirectory, ".cache/wrangler")
 		: null;
 	if (!__cacheFolder) {
-		// console.debug("No folder available to cache configuration");
+		// logger.debug("No folder available to cache configuration");
 	}
 	return __cacheFolder;
 }

packages/create-cloudflare/src/helpers/global-wrangler-config-path.ts

@@ -1,4 +1,4 @@
-// Copied from packages/wrangler/src/global-wrangler-config-path.ts
+// Copied from packages/wrangler/src/global-wrangler-config-path.ts with no modification
 import fs from "node:fs";
 import os from "node:os";
 import path from "node:path";

packages/create-cloudflare/src/helpers/metrics-config.ts

@@ -1,4 +1,10 @@
-// Copied from packages/wrangler/src/metrics/metrics-config.ts
+// Copied from packages/wrangler/src/metrics/metrics-config.ts with the following changes:
+// - Removed methods not required for c3
+// - Added `c3permission` property to the `MetricsConfigFile` interface
+// - Added a `getSessionId` helper that returns a random UUID
+// - Exported both `getDeviceId` and `getUserId` helpers
+// - Modified `getUserId` to return the id from the cache only without fetching it from the API
+
 import { randomUUID } from "node:crypto";
 import { mkdirSync, readFileSync, writeFileSync } from "node:fs";
 import path from "node:path";
@@ -67,10 +73,8 @@ export interface MetricsConfigFile {
  * Returns an ID that uniquely identifies Wrangler on this device to help collate events.
  *
  * Once created this ID is stored in the metrics config file.
- * Note: This is modified to read the config directly.
  */
-export function getDeviceId() {
-	const config = readMetricsConfig();
+export function getDeviceId(config: MetricsConfigFile) {
 	// Get or create the deviceId.
 	const deviceId = config.deviceId ?? randomUUID();
 	if (config.deviceId === undefined) {
@@ -82,17 +86,13 @@ export function getDeviceId() {
 
 /**
  * Returns the ID of the current user, which will be sent with each event.
- *
- * Note: This is modified to look up the id from the cache only
- * as we have no access to user auth token to fetch the data.
  */
 export function getUserId() {
 	return getConfigCache<{ userId: string }>(USER_ID_CACHE_PATH).userId;
 }
 
 /**
  * Generate a new session ID.
- * @returns
  */
 export function getSessionId() {
 	return randomUUID();

packages/create-cloudflare/src/metrics.ts

@@ -178,9 +178,10 @@ export function createReporter() {
 		appendMetricsData: AppendMetricsDataFn;
 	}>();
 
-	const telemetry = getC3Permission();
 	const sessionId = getSessionId();
-	const deviceId = getDeviceId();
+	const config = readMetricsConfig();
+	const telemetry = getC3Permission(config);
+	const deviceId = getDeviceId(config);
 	const os = {
 		platform: process.platform,
 		arch: process.arch,
@@ -320,9 +321,7 @@ export function initializeC3Permission(enabled = true) {
 	};
 }
 
-export function getC3Permission() {
-	const config = readMetricsConfig() ?? {};
-
+export function getC3Permission(config = readMetricsConfig() ?? {}) {
 	if (!config.c3permission) {
 		config.c3permission = initializeC3Permission();