init

Author: Geoff Davis

index.ts

@@ -0,0 +1,17 @@
+const asyncFactory = (fn, ...params) =>
+	new Promise((resolve, reject) => {
+		const safeParams =
+			params.length > 0
+				? params
+				: fn.length === 1
+					? new Array(fn.length).fill(null)
+					: new Array(fn.length - 1).fill(null);
+		try {
+			(fn.length > 1 &&
+				fn.length !== safeParams.length &&
+				fn(...safeParams, resolve)) ||
+				resolve(fn(...safeParams));
+		} catch (e) {
+			reject(e);
+		}
+	});