MobX reacts to any existing observable property that is read during the execution of a tracked function . “reading” is dereferencing an object’s property, which can be done through “dotting into” it (eg. user.name ) or using the bracket notation (eg. user[‘name’] , todos[3] ) or destructuring (eg.
Read moreWhat is an observer React?
In the pattern “Observer” an object, called “subject”, maintains a list of its dependencies, called “observers”, and automatically notifies them of any change of state, usually calling one of its methods.
Read moreWhat is decorator in MobX?
Using observer as decorator The observer function from mobx-react is both a function and a decorator that can be used on class components : @observer class Timer extends React.
Read moreHow do you use decorators in MobX?
Basically there are four steps to use decorators in create-react-app:
Read moreWhat is a MobX action?
An action is any piece of code that modifies the state . In principle, actions always happen in response to an event. For example, a button was clicked, some input changed, a websocket message arrived, etc. MobX requires that you declare your actions, although makeAutoObservable can automate much of this job.
Read moreWhat is MobX observer?
The observer HoC automatically subscribes React components to any observables that are used during rendering. As a result, components will automatically re-render when relevant observables change. It also makes sure that components don’t re-render when there are no relevant changes.
Read moreHow do you persist the MobX store?
To simply persist your MobX store use makePersistable . Pass a reference of the store ( this ) as the first argument. The second argument is the StorageOptions for persisting the store data.
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