Destam - Delta State Manager

A state management library that doesn't consider mutation as taboo and generalizes mutation events through deltas.

const state = OObject({
	name: 'John Doe',
	address: 'Tokyo',
});

state.observer.path('address').watch(delta => {
	console.log(`${delta.parent.name}'s address changed to ${delta.value}`);
});

state.address = 'Toronto';

Destam provides no-nonsense state containers that act like ordinary JavaScript arrays and objects through a proxy interface. These containers reduce all state changes to an optimal series of deltas that can later be undone or replayed.

Deltas can be used to optimally:

• Update the DOM to synchronize with the application's state
• Send over the wire to synchronize with other computers
• Implement realtime collaboration
• Update the database

See the introduction.

Documentation is split between multi-line comments in the source code (for specific function and feature documentation) and the markdown files in docs/ (for high-level ideas). It's recommended to read everything under docs/ before starting an application with destam.

Breaking changes

Destam is still under development; breaking changes can and will be made while it stays on version 0. Major breaking changes with widespread effects aren't expected.