(feature) add support for expanding paths on Windows + added more usage examples to cli

src/utils/fs-helpers.ts

@@ -0,0 +1,26 @@
+import * as os from 'os';
+import * as fs from 'fs';
+import * as braces from 'braces';
+
+export function normalizeHomeDir(path: string): string {
+	if (path.substring(0, 1) === '~') {
+		return `${os.homedir()}/${path.substring(1)}`;
+	}
+	return path;
+}
+
+export function expandPattern(pattern: string): string[] {
+	return braces(pattern, { expand: true });
+}
+
+export function normalizePaths(patterns: string[], defaultPatterns: string[] = []): string[] {
+	return patterns.map(pattern =>
+		expandPattern(pattern).map(path => {
+			path = normalizeHomeDir(path);
+			if (fs.existsSync(path) && fs.statSync(path).isDirectory()) {
+				return defaultPatterns.map(defaultPattern => path + defaultPattern);
+			}
+			return path;
+		}).flat()
+	).flat();
+}