init

bin/resources/glob/index.ts

@@ -0,0 +1,33 @@
+import fastGlob from "fast-glob";
+import watchGlob from "glob-watcher";
+import { Observable } from "../../observable";
+
+type GlobOptions<T> = {
+  cwd?: string;
+  pattern: string;
+  create?: (path: string) => T;
+};
+
+const defaultCreate = (a: any) => a;
+
+const createGlob = <T = string>({
+  cwd,
+  pattern,
+  create = defaultCreate,
+}: GlobOptions<T>) => {
+  const glob = new Observable(async () => {
+    const files = await fastGlob(pattern, { cwd });
+    return files.map(create);
+  });
+
+  const watcher = watchGlob(pattern, { cwd });
+  watcher.on("add", (path) => {
+    glob.set((current) => Promise.resolve([...(current || []), create(path)]));
+
+    return glob;
+  });
+
+  return glob;
+};
+
+export { createGlob };