#59 interface for editing config + more docs

lib/objectOps.js

@@ -1,7 +1,44 @@
-var deepclone = function(obj){
+/**
+Helper functions related to objects
+@module objectOps
+*/
+
+/**
+Deep clones an object, is actually just JSON.parse(JSON.stringify()) but looks cleaner.
+@param {object} obj to clone
+@returns {object}
+
+@example
+a = {"thingy":"with a value"};
+b = a;
+a == b; // true
+c = objectOps.deepclone(a);
+a == c; // false
+*/
+module.exports.deepclone = function(obj){
 	return JSON.parse(JSON.stringify(obj));
 }
+/**
+Checks if a string is valid JSON using try/catch. If passed an object it will always return true.
+@param {string} string to verify
+@returns {boolean}
 
-module.exports = {
-	deepclone:deepclone,
-};
+@example
+objectOps.isJSON("99 bottles of beer"); // false
+objectOps.isJSON("99"); // true
+objectOps.isJSON({"thingy":"that is an object"}); // true
+objectOps.isJSON(JSON.stringify({"thingy":"that is an object"})); // true
+*/
+module.exports.isJSON = function(string){
+	let stringIsJson = false;
+	let x
+	try {
+		x = JSON.parse(string);
+	} catch (e){
+		return false;
+	}
+	if(typeof x == "object" || typeof string == "object"){
+		stringIsJson = true;
+	}
+	return stringIsJson;
+}