Initial commit

node/TestCli/node_modules/map-obj/index.js

@@ -0,0 +1,45 @@
+'use strict';
+
+// customized for this use-case
+const isObject = x =>
+	typeof x === 'object' &&
+	x !== null &&
+	!(x instanceof RegExp) &&
+	!(x instanceof Error) &&
+	!(x instanceof Date);
+
+module.exports = function mapObj(obj, fn, opts, seen) {
+	opts = Object.assign({
+		deep: false,
+		target: {}
+	}, opts);
+
+	seen = seen || new WeakMap();
+
+	if (seen.has(obj)) {
+		return seen.get(obj);
+	}
+
+	seen.set(obj, opts.target);
+
+	const target = opts.target;
+	delete opts.target;
+
+	for (const key of Object.keys(obj)) {
+		const val = obj[key];
+		const res = fn(key, val, obj);
+		let newVal = res[1];
+
+		if (opts.deep && isObject(newVal)) {
+			if (Array.isArray(newVal)) {
+				newVal = newVal.map(x => isObject(x) ? mapObj(x, fn, opts, seen) : x);
+			} else {
+				newVal = mapObj(newVal, fn, opts, seen);
+			}
+		}
+
+		target[res[0]] = newVal;
+	}
+
+	return target;
+};