feat: add compatibility-date config option (#292)

Author: yjl9903

packages/vite-plugin-cloudflare-functions/src/vite/index.ts

@@ -101,6 +101,13 @@ export function CloudflarePagesFunctions(userConfig: UserConfig = {}): Plugin {
       path.join(functionsRoot, '.wrangler/state'),
       ...bindings
     ];
+
+    const compatibilityDate = userConfig.wrangler?.compatibilityDate;
+    if (compatibilityDate) {
+      command.push('--compatibility-date');
+      command.push(compatibilityDate);
+    }
+
     debug(command);
 
     wranglerProcess = spawn('npx', command, {

packages/vite-plugin-cloudflare-functions/src/vite/types.ts

@@ -65,5 +65,10 @@ export interface UserConfig {
      * Bind R2 bucket
      */
     r2?: string | string[];
+
+    /**
+     * Determines which version of the Workers runtime is used. 
+     */
+    compatibilityDate?: string;
   };
 }