Alexis Jacomy
I am a data-visualization engineer from Nantes, France. I frequently speak in conferences and meetups about data visualization, web technologies, and networks mapping.
Human Talks @ Nantes, mardi 12 janvier 2016
Modèle
Vue
Contrôleur
Action
Modèle
Modèle
Vue
Vue
Store
Vue
Dispatcher
Action
Action
Action
import Baobab from 'baobab';
const state = new Baobab({
some: {
nested: {
objects: [
1, 2, 3
]
}
}
});
state.get();
// { some: { nested: { objects: [ 1, 2, 3 ] } } }
state.get('some', 'nested');
// { objects: [ 1, 2, 3 ] }
state.set(['some', 'more', 'data'], 42);
// Renvoie la valeur : 42
state.get();
// { some: { nested: { objects: [ 1, 2, 3 ] }, more: { data: 42 } } }
import Baobab from 'baobab';
const state = new Baobab({
some: {
data: [
1, 2, 3
]
}
});
const value = state.get();
// { some: { nested: { objects: [ 1, 2, 3 ] } } }
Object.isFrozen(value);
// true
value.toto = 42;
// - Sans "use strict", renvoie la valeur 42
// - Avec "use strict", lance une erreur :
// "TypeError: Can't add property toto, object is not extensible"
value.toto;
// undefined
import Baobab from 'baobab';
const state = new Baobab({
some: {
data: [
1, 2, 3
]
}
});
// Création d'un curseur :
const data = state.select('some', 'data');
// Écoute des updates :
data.on(
'update',
() => console.log(data.get())
);
// Mise à jour des données :
data.push(4);
// Log : [ 1, 2, 3, 4 ]
import React from 'react';
import { branch } from 'baobab-react/mixins';
export default Checkbox = React.createComponent({
mixins: [ branch ],
cursors: {
flag: [ 'some', 'path' ]
},
handleToggle(e) {
this.cursors.flag.set(e.target.value);
},
render() {
return (
<input type="checkbox"
value={ this.state.flag }
onChange={ this.handleChange } />
);
}
});
import React from 'react';
import { root } from 'baobab-react/mixins';
import Checkbox from './Checkbox.jsx';
export default App = React.createComponent({
mixins: [ root ],
render() {
return (
<div>
<Checkbox />
</div>
);
}
});
import React from 'react';
import ReactDOM from 'react-dom';
import Baobab from 'baobab';
import App from './App.jsx';
const state = new Baobab({
some: {
path: {
flag: false
}
}
});
ReactDOM.render(
<App tree={ state } />,
document.getElementById('root'),
);
import Baobab from 'baobab';
export default new Baobab({
_id: 0,
tasks: [],
message: ''
});
import state from './state.js';
export default {
setMessage(message) {
state.set('message', message);
},
addTask(message) {
const id = '' + state.set('_id', state.get('_id') + 1);
state.select('tasks')
.push({ id, message });
state.set('message', '');
},
removeTask(id) {
state.select('tasks')
.unset({ id });
}
};
import React from 'react';
import { branch } from 'baobab-react/mixins';
import actions from './actions.js';
export default React.createClass({
mixins: [ branch ],
cursors: { tasks: [ 'tasks' ] },
handleClick(e) {
actions.removeTask(e.target.getAttribute('data-id'));
},
render() {
return (
<ul>{
(this.state.tasks || []).map(task => (
<li key={ task.id }
data-id={ task.id }
onClick={ this.handleClick }>{
task.message
}</li>
))
}</ul>
);
}
});
import React from 'react';
import { branch } from 'baobab-react/mixins';
import actions from './actions.js';
export default React.createClass({
mixins: [ branch ],
cursors: { message: [ 'message' ] },
handleSubmit(e) {
e.preventDefault();
actions.addTask(e.target.message.value);
},
handleChange(e) {
actions.setMessage(e.target.value);
},
render() {
return (
<form onSubmit={ this.handleSubmit }>
<input type="text"
name="message"
onChange={ this.handleChange }
value={ this.state.message } />
<button type="submit">Submit</button>
</form>
);
}
});
import React from 'react';
import { root } from 'baobab-react/mixins';
import Form from './Form.jsx';
import List from './List.jsx';
export default React.createClass({
mixins: [ root ],
render() {
return (
<div>
<Form />
<List />
</div>
);
}
});
import React from 'react';
import ReactDOM from 'react-dom';
import state from './state.js';
import TodoList from './TodoList.jsx';
ReactDOM.render(
<TodoList tree={ state } />,
document.getElementById('todolist')
);
export default {
state
};
Code dispo sur
By Alexis Jacomy
Human Talks @ Nantes, mardi 12 janvier 2016
I am a data-visualization engineer from Nantes, France. I frequently speak in conferences and meetups about data visualization, web technologies, and networks mapping.