Vue Tip Typing Component Events Michael Hoffmann Michael Hoffmann Although optional, it is recommended to define all emitted events in order to better document how a component should work. it also allows vue to exclude known listeners from fallthrough attributes, avoiding edge cases caused by dom events manually dispatched by 3rd party code. To declare emits with full type inference support, we can use the defineemits api, which is automatically available inside Prev Next 1 of 25