make the Next.js experimental template use a specific version of the …

…create-next-app cli

packages/create-cloudflare/src/frameworks/index.ts

@@ -12,7 +12,9 @@ export const getFrameworkCli = (ctx: C3Context, withVersion = true) => {
 
 	const frameworkCli = ctx.template
 		.frameworkCli as keyof typeof frameworksPackageJson.dependencies;
-	const version = frameworksPackageJson.dependencies[frameworkCli];
+	const version =
+		ctx.template.frameworkCliVersion ??
+		frameworksPackageJson.dependencies[frameworkCli];
 	return withVersion ? `${frameworkCli}@${version}` : frameworkCli;
 };
 

packages/create-cloudflare/src/templates.ts

@@ -65,16 +65,21 @@ export type TemplateConfig = {
 	 * to handle config version skew between different versions of c3
 	 */
 	configVersion: number;
-	/** The id by which template is referred to internally and keyed in lookup maps*/
+	/** The id by which template is referred to internally and keyed in lookup maps */
 	id: string;
-	/** A string that controls how the template is presented to the user in the selection menu*/
+	/** A string that controls how the template is presented to the user in the selection menu */
 	displayName: string;
-	/** A string that explains what is inside the template, including any resources and how those will be used*/
+	/** A string that explains what is inside the template, including any resources and how those will be used */
 	description?: string;
 	/** The deployment platform for this template */
 	platform: "workers" | "pages";
-	/** The name of the framework cli tool that is used to generate this project or undefined if none. */
+	/** The name of the framework cli tool that is used to generate this project or undefined if none */
 	frameworkCli?: string;
+	/**
+	 * The version of the framework cli tool to use.
+	 * If omitted the cli version is taken from src/frameworks/package.json, which is the default/standard behavior.
+	 */
+	frameworkCliVersion?: string;
 	/** When set to true, hides this template from the selection menu */
 	hidden?: boolean;
 	/** Specifies a set of files that will be copied to the project directory during creation.

packages/create-cloudflare/templates-experimental/next/c3.ts

@@ -30,6 +30,10 @@ export default {
 	configVersion: 1,
 	id: "next",
 	frameworkCli: "create-next-app",
+	// TODO: here we need to specify a version of create-next-app which is different from the
+	//       standard one used in the stable Next.js template, that's because our open-next adapter
+	//       is not yet fully ready for Next.js 15, once it is we should remove the following
+	frameworkCliVersion: "14.2.5",
 	platform: "workers",
 	displayName: "Next (using Node.js compat + Workers Assets)",
 	path: "templates-experimental/next",