jiff.js

jiff.js

var a = [
	{ name: 'a' },
	{ name: 'b' },
	{ name: 'c' },
]

var b = a.slice();
b.splice(1, 1);
b.push({ name: 'd' });

// Generate diff (ie JSON Patch) from a to b
var patch = jiff.diff(a, b);

// [{"op":"add","path":"/3","value":{"name":"d"}},{"op":"remove","path":"/1"}]
console.log(JSON.stringify(patch));

var patched = jiff.patch(patch, a);

// [{"name":"a"},{"name":"c"},{"name":"d"}]
console.log(JSON.stringify(patched));