useful-selectors v0.0.2

useful-selectors

Collection of utility selectors

Install

npm install useful-selectors

createMemoSelector

createMemoSelector(state => state.domain, ["foo", "bar"]);
// Will check only specified properties of output object

createIdentitySelector

createIdentitySelector(state => state.domain);
// Will be executed once, on next calls will return same object

createArraySelector

createArraySelector(state => Object.keys(state.todosById));
// Will compare output array with previous value, returning same instance if nothing changed