chore: fix for explorer

Author: ota-meshi

explorer-v2/build-system/shim/path.js

@@ -1,16 +1,40 @@
 export default {
 	extname,
 	isAbsolute,
-	join
+	join,
+	resolve,
+	dirname,
+	basename
 };
 
 export function extname(p) {
 	return /\.[^.]*$/.exec(p)?.[0];
 }
-
 export function isAbsolute() {
 	return false;
 }
 export function join(...args) {
 	return args.join('/');
 }
+export function resolve(...args) {
+	return join(...args);
+}
+export function parse(s) {
+	const dir = dirname(s);
+	const ext = extname(s);
+	const base = basename(s);
+	return {
+		root: '',
+		dir,
+		base,
+		ext,
+		name: basename(base, ext)
+	};
+}
+export function dirname(p) {
+	return p.split('/').slice(0, -1).join('/') || p;
+}
+export function basename(p, ext) {
+	const base = p.split('/').pop() || p;
+	return base.endsWith(ext) ? base.slice(0, -ext.length) : base;
+}