core: adds support for custom extension (defaults to html)

core/Renderer.js

@@ -12,8 +12,8 @@ export class Renderer {
 	#debug    = false;
 
 	constructor(options = {}) {
-		this.#resolver = options.resolver ?? Resolver;
-		this.#debug    = (options.debug  === true);
+		this.#resolver = options.resolver ?? Resolver(options.extension ?? "html");
+		this.#debug    = (options.debug === true);
 	}
 
 	async compilePath(path, ...args) {

core/Resolver.js

@@ -1,13 +1,15 @@
 import { resolve } from "path";
 
-export function Resolver(path, base = null) {
-	if (!path.endsWith(".html")) {
-		path += ".html";
-	}
+export function Resolver(extension) {
+	return (path, base = null) => {
+		if (!path.endsWith(`.${extension}`)) {
+			path += `.${extension}`;
+		}
 
-	if (base) {
-		return resolve(base, path);
-	}
+		if (base) {
+			return resolve(base, path);
+		}
 
-	return resolve(path);
+		return resolve(path);
+	};
 }