Simple store-prototype example for a User Store + View

UserStore.js

var Store = require('store-prototype');

var UserStore = new Store();
var users = {};
var loaded = false;

UserStore.extend({
  loadUsers: function() {
    loadUsersSomehow(function(err, results) {
      users = results;
      this.notifyChange();
    });
  },
  getUsers: function() {
    if (!loaded) this.loadUsers();
    return users;
  },
  getUser: function(id) {
    return users[id];
  },
  isLoaded: function() {
    return loaded;
  },
  updateUser: function(data) {
    updateUserSomehow(data, function(err, result) {
      users[result.id] = result;
      this.notifyChange();
    });
  },
  removeUser: function(id) {
    delete users[id];
    this.notifyChange();
    removeUserSomehow(id, function(err) {
      // rollback on err maybe?
    });
  }
});

module.exports = UserStore;

UserView.js

var UserStore = require('UserStore');

var UserView = React.createClass({
  getInitialState: function() {
    return this.getUserState();
  },
  getUserState: function() {
    return {
      users: UserStore.getUsers(),
      ready: UserStore.isLoaded()
    };
  },
  updateUserState: function() {
    this.setState(this.getUserState());
  },
  componentDidMount: function() {
    UserStore.addChangeListener(this.updateUserState);
    if (!this.state.ready) UserStore.loadUsers();
  },
  componentWillUnmount: function() {
    UserStore.removeChangeListener(this.updateUserState);
  },
  render: function() {
    if (!this.ready) return <div>Loading...</div>;
    return <UserList users={this.state.users} />;
  }
});

var UserList = React.createComponent({
  render: function() {
    var rows = this.props.users.map(function(user) {
      return <UserRow user={user} />
    });
    return <div>{rows}</div>;
  }
});

var UserRow = React.createComponent({
  removeUser: function() {
    UserStore.removeUser(this.props.user.id);
  },
  render: function() {
    return (
      <div>
        {this.props.user.name}
        <button onclick={this.removeUser}>remove</button>
      </div>;
  }
});

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Here’s a simple prototype example for a User Store + View using JavaScript with a basic structure:

class UserStore {
constructor() {
this.users = [];
}

addUser(user) {
this.users.push(user);
}

getUser(name) {
return this.users.find(user => user.name === name);
}

getAllUsers() {
return this.users;
}
}

// Example Usage
const store = new UserStore();
store.addUser({ name: "Alice", age: 25 });
store.addUser({ name: "Bob", age: 30 });

console.log(store.getUser("Alice"));
console.log(store.getAllUsers());