Add initial minimatch support

src/utils/pathUtils.ts

@@ -0,0 +1,63 @@
+import * as os from "os";
+import * as path from "path";
+import { readdirSync } from "fs";
+import { IOptions, Minimatch } from "minimatch";
+
+const globCharacters: string[] = ["*", "?", "[", "]"];
+const options: IOptions = {
+    nocase: true,
+    dot: true,
+    nobrace: true
+};
+
+// export function resolvePath(filePath: string): string {
+//     if (filePath[0] === "~") {
+//         const home = os.homedir();
+//         if (!home) {
+//             throw new Error("Unable to resolve `~` to HOME");
+//         }
+//         return path.join(home, filePath.slice(1));
+//     }
+
+//     return path.resolve(filePath);
+// }
+
+export function isMinimatchPattern(pattern: string): boolean {
+    if (globCharacters.some(x => pattern.includes(x))) {
+        return true;
+    }
+
+    return false;
+}
+
+export function matchDirectories(pattern: string, workspace: string): string[] {
+    const directories = readdirSync(workspace, { withFileTypes: true })
+        .filter(dirent => dirent.isDirectory())
+        .map(dirent => dirent.name);
+
+    const minimatch = new Minimatch(pattern, options);
+    const matches = directories.filter(x => minimatch.match(x));
+
+    return matches;
+}
+
+export function expandPaths(filePaths: string[]): string[] {
+    const paths: string[] = [];
+    const workspace = process.env["GITHUB_WORKSPACE"] ?? process.cwd();
+
+    for (const filePath of filePaths) {
+        if (isMinimatchPattern(filePath)) {
+            paths.push(...matchDirectories(filePath, workspace));
+        } else if (filePath[0] === "~") {
+            const home = os.homedir();
+            if (!home) {
+                throw new Error("Unable to resolve `~` to HOME");
+            }
+            paths.push(path.join(home, filePath.slice(1)));
+        } else {
+            paths.push(path.resolve(filePath));
+        }
+    }
+
+    return paths;
+}