json-schema, generator (dojo, AMD)

gistfile1.js

define([
	"dojo/date/stamp",
	"dojo/_base/lang"
], function(dates, lang) {
	// summary:
	//		very first draft of obj2json-schema generator
	var DEFAULT_OPTIONS = {
		numberInteger : true,
		numberPositive : false, //sets minimum to 0 for positive numbers
		numberJsMinMax : false, //TODO: implement ranges
		dateTimeNative : true,
		dateTimeIsoString : true,
		namingConventions : false
	};
	function getType(o) {
		//https://github.com/garycourt/JSV/blob/master/lib/jsv.js
		// TODO: optimize
		return o === undefined ? "undefined" : (o === null ? "null" : Object.prototype.toString.call(o).split(" ").pop().split("]").shift().toLowerCase());
	}
	function traverse(v, k, s, opts) {
		opts = lang.mixin({}, DEFAULT_OPTIONS, opts);
		/*jshint expr:true */
		s || (s = {});
		var t = s.type = getType(v);
		if (t === "array") {
			var items = s.items = {};
			if (v[0] != null) {
				traverse(v[0], "items", items, opts);
			}
		} else if (t === "object") {
			var props = s.properties = {};
			for ( var p in v) {
				traverse(v[p], p, props[p] = {}, opts);
			}
		}
		//TODO: how to make this extendable, beyond options, only example in unit-test, 
		// do not put this into code here !!! (aspect ?, beware recursion)
		else if (t === "number") {
			if (opts.numberInteger && v % 1 === 0) {
				s.type = "integer";
			}
			if (opts.numberPositive && v > 0) {
				s.minimum = 0;
			}
		} else if (t === "date") { //extreme condition from real native object, not JSON.parse-d object
			if (opts.dateTimeNative) {
				s.type = "string";
				s.format = "date-time";
			} else {
				s.type = "object";
			}
		} else if (t === "string") {
			if (opts.dateTimeIsoString) {
				var d = dates.fromISOString(v);//TODO: detect more precise type, do i need stamp.js ? 
				if (d) {
					s.type = "string";
					s.format = "date-time";
				}
			}
		} else if (opts.namingConventions) {
			opts.namingConventions(v, k, s, opts);
		}

		return s;
	}
	function object2Schema(value, options) {
		return traverse(value, null, {}, options);
	}
	object2Schema._getType = getType; //just for unit tests, not ment to be used
	object2Schema.DEFAULT_OPTIONS = DEFAULT_OPTIONS;
	return object2Schema;

});