fix: Fix scoped packages handling when bundling on Windows

lib/parser.js

@@ -36,7 +36,9 @@ if (!isValue(sep)) {
 	throw new Error("Unsupported Node version. Please upgrade, Webmake needs at least Node v0.8");
 }
 const dirEndMatch = new RegExp(`(?:^|/|\\${ sep })\\.*$`, "u");
-const packageNamePattern = /(@[^/]+\/[^/]+|[^@/][^/]*)(?:\/|$)/u;
+const packageNamePattern = new RegExp(
+	`(@[^\\${ sep }]+\\${ sep }[^\\${ sep }]+|[^@\\${ sep }][^\\${ sep }]*)(?:\\${ sep }|$)`, "u"
+);
 
 const cssDeps = [
 	{
@@ -483,9 +485,10 @@ const parser = {
 		let filename = join(dep.value), tree, currentRequire, main, path, ext;
 
 		const [, name] = filename.match(packageNamePattern);
+		const packageName = name.includes(sep) && sep !== "/" ? name.replace(sep, "/") : name;
 		return deferred.promisifySync(() => {
 			// If already processed, return result
-			if (this.modules[name]) return this.modules[name];
+			if (this.modules[packageName]) return this.modules[packageName];
 
 			if (name === "webmake") {
 				this.packages.webmake = resolve(__dirname, "../");
@@ -545,23 +548,23 @@ const parser = {
 					this.packages[name] = path.slice(
 						0, name.length - (filename.length + ext.length)
 					);
-					return (this.modules[name] = {});
+					return (this.modules[packageName] = {});
 				}
 				if (endsWith.call(path, filename)) {
 					this.packages[name] = path.slice(0, name.length - filename.length);
-					return (this.modules[name] = {});
+					return (this.modules[packageName] = {});
 				}
 			}
 			// Use dedicated findRoot
-			const promise = (this.modules[name] = findRoot(path)(root => {
+			const promise = (this.modules[packageName] = findRoot(path)(root => {
 				const currentModule = {};
 				this.packages[name] = root;
 				return getMain(root)(mainModule => {
 					currentModule[":mainpath:"] = mainModule;
 					return currentModule;
 				}, currentModule);
 			}));
-			promise.aside(currentModule => { this.modules[name] = currentModule; });
+			promise.aside(currentModule => { this.modules[packageName] = currentModule; });
 			return promise;
 		})()(currentScope => {
 			if (!currentScope) return null;