JavaScript
var test = {};
var p = ObservableSlim.create(test, true, function(changes) {
console.log(JSON.stringify(changes));
});
p.hello = "world";
// Console log:
// [{"type":"add","target":{"hello":"world"},"property":"hello","newValue":"world","currentPath":"hello","jsonPointer":"/hello","proxy":{"hello":"world"}}]
p.hello = "WORLD";
// Console log:
// [{"type":"update","target":{"hello":"WORLD"},"property":"hello","newValue":"WORLD","previousValue":"world","currentPath":"hello","jsonPointer":"/hello","proxy":{"hello":"WORLD"}}]
p.testing = {};
// Console log:
// [{"type":"add","target":{"hello":"WORLD","testing":{}},"property":"testing","newValue":{},"currentPath":"testing","jsonPointer":"/testing","proxy":{"hello":"WORLD","testing":{}}}]
p.testing.blah = 42;
// Console log:
// [{"type":"add","target":{"blah":42},"property":"blah","newValue":42,"currentPath":"testing.blah","jsonPointer":"/testing/blah","proxy":{"blah":42}}]
p.arr = [];
// Console log:
// [{"type":"add","target":{"hello":"WORLD","testing":{"blah":42},"arr":[]},"property":"arr","newValue":[],"currentPath":"arr","jsonPointer":"/arr","proxy":{"hello":"WORLD","testing":{"blah":42},"arr":[]}}]
p.arr.push("hello world");
// Console log:
// [{"type":"add","target":["hello world"],"property":"0","newValue":"hello world","currentPath":"arr.0","jsonPointer":"/arr/0","proxy":["hello world"]}]
delete p.hello;
// Console log:
// [{"type":"delete","target":{"testing":{"blah":42},"arr":["hello world"]},"property":"hello","newValue":null,"previousValue":"WORLD","currentPath":"hello","jsonPointer":"/hello","proxy":{"testing":{"blah":42},"arr":["hello world"]}}]
p.arr.splice(0,1);
// Console log:
// [{"type":"delete","target":[],"property":"0","newValue":null,"previousValue":"hello world","currentPath":"arr.0","jsonPointer":"/arr/0","proxy":[]},
//...