Angular 1.x styleguide (ES2015)
A sensible styleguide for teams by @toddmotto
This architecture and styleguide has been rewritten from the ground up for ES2015, the changes in Angular 1.5+ for future-upgrading your application to Angular 2. This guide includes new best practices for one-way dataflow, event delegation, component architecture and component routing.
angular-styleguide – Angular styleguide for teams