The JavaScript Database, for Node.js, nw.js, electron and the browser
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nedb/lib/model.js

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/**
* Handle models (i.e. docs)
* Serialization/deserialization
* Copying
*/
var dateToJSON = function () { return { $$date: this.toString() }; }
, originalDateToJSON = Date.prototype.toJSON
function serialize (obj) {
var res;
// Keep track of the fact this is a Date object
Date.prototype.toJSON = dateToJSON;
res = JSON.stringify(obj, function (k, v) {
if (typeof v === 'string' || typeof v === 'number' || typeof v === 'boolean' || v === null) { return v; }
if (v && v.constructor && v.constructor.name === 'Date') { return { $$date: v.toString() }; }
return v;
});
// Return Date to its original state
Date.prototype.toJSON = originalDateToJSON;
return res;
}
function deserialize (rawData) {
return JSON.parse(rawData, function (k, v) {
if (k === '$$date') { return new Date(v); }
if (typeof v === 'string' || typeof v === 'number' || typeof v === 'boolean' || v === null) { return v; }
if (v && v.$$date) { return v.$$date; }
return v;
});
}
// Interface
module.exports.serialize = serialize;
module.exports.deserialize = deserialize;