Logomotion: mise à jour introduction framework javascript
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3d2afb8b17
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@ -379,12 +379,12 @@ Implémenter une application minimaliste de gestion de tâches avec Riot. Cette
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|Avantages|Inconvénients|
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|:-|:-|
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|Grande communauté, très active | Changement de license puis rétropédalage en 2017 |
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| Maintenu et utilisé par Facebook en interne | Nécessité de mettre en place un pipeline de transpilage |
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| Maintenu et utilisé par Facebook | Nécessité de mettre en place un pipeline de transpilage |
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| Architecture Flux | Architecture Flux |
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| Possibilité de faire des applications "isomorphiques" avec NodeJS |
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| "React Native" |
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| Projet "React Native" |
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| API stable |
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| Virtual DOM |
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| Virtual DOM ([voir cet article](https://auth0.com/blog/face-off-virtual-dom-vs-incremental-dom-vs-glimmer/)) |
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| Moteurs "lightweight" compatibles |
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---
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@ -601,6 +601,8 @@ export default Clock
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[Voir une description des concepts](https://github.com/facebook/flux/tree/master/examples/flux-concepts)
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---
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## Exercice
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@ -641,6 +643,8 @@ Implémenter une application minimaliste de gestion de tâches avec React (sans
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|Long-term support (1 an)|
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|Documentation exhaustive|
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|Ember Data|
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|Ember Inspector|
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|Ember CLI|
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---
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@ -651,7 +655,6 @@ Implémenter une application minimaliste de gestion de tâches avec React (sans
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### Templates
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### Modèles
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### Contrôleurs
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### Composants
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---
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@ -668,18 +671,53 @@ ember serve
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---
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## Routes
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## Routes (1)
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### Générer une nouvelle route
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```shell
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ember generate route foo
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ember generate route posts
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```
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---
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## Templates
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## Routes (2)
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### Attacher un/plusieurs modèles à une route
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```javascript
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// app/routes/posts.js
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import Route from '@ember/routing/route';
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export default Route.extend({
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model() {
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return this.get('store').findAll('post');
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}
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});
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```
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---
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## Routes (3)
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### Effectuer une redirection
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```javascript
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// app/routes/index.js
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import Route from '@ember/routing/route';
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export default Route.extend({
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beforeModel() {
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this.transitionTo('posts');
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}
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});
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```
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---
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## Templates (1)
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### Syntaxe générale
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```handlebars
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{{!-- Interpolation de variable --}}
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{{ myVar }}
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@ -691,16 +729,183 @@ ember generate route foo
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{{#block params... }}
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...
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{{/block}}
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{{!-- Helpers imbriqués --}}
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{{sum (multiply 2 4) 2}}
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```
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---
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## Modèles
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## Templates (2)
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### "Blocks" de base
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```handlebars
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{{!-- Condition --}}
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{{if myVar}}
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Maybe...
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{{else}}
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Or not.
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{{/if}}
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{{!-- Boucle --}}
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{{#each people as |person|}}
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<li>Hello, {{person.name}}!</li>
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{{/each}}
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```
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---
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## Templates (3)
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### "Helpers" spécifiques
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```handlebars
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{{!-- Affiche myVar[key] (accès dynamique aux variables exposées dans le controleur) --}}
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{{get myVar "key"}}
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{{!-- Affiche le contenu de la (sous) route --}}
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{{outlet}}
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{{!-- Modèle exposé par la route --}}
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{{model}}
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{{!-- Affiche un lien vers la route donnée --}}
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{{link-to routeName}}
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{{!-- Attacher une action à un élément (onclick) --}}
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<button {{action "myAction"}}>Do it !</button>
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```
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---
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## Contrôleurs (1)
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### Générer un contrôleur
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```shell
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ember generate controller posts
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```
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---
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## Contrôleurs (2)
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### Exposer des variables pour le template
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```shell
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import Controller from '@ember/controller';
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export default Controller.extend({
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foo: "bar" // {{ foo }} dans le template associé
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});
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```
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---
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## Contrôleurs (3)
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### Actions
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```shell
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import Controller from '@ember/controller';
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export default Controller.extend({
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foo: "bar"
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actions: {
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myAction: function() {
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// On modifie la valeur de "foo"
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// Si "foo" est utilisé dans le template, il sera automatiquement mis à jour
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this.set("foo", "hello world");
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}
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}
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});
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```
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---
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## Modèles (1)
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### Générer un nouveau modèle
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```shell
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ember generate model bar
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ember generate model post
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```
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---
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## Modèles (2)
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### Définition d'un modèle
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```javascript
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// app/models/comment.js
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import DS from 'ember-data';
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export default DS.Model.extend({
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// Simple attributs
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text: DS.attr('string'),
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// Relations
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post: DS.belongsTo('post')
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});
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// app/models/post.js
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import DS from 'ember-data';
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export default DS.Model.extend({
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// Simples attributs
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title: DS.attr('string'),
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content: DS.attr('string'),
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// Relations
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comments: DS.hasMany('comment')
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});
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```
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---
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## Modèles (3)
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### Manipuler une instance de modèle
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```javascript
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// app/controllers/posts.js
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// Créer une nouvelle instance
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var post = store.createRecord('post', {
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title: 'Mon article',
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content: 'Lorem ipsum'
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});
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// Modifier l'instance
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post.set('title', 'Foo bar');
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// Sauvegarde de l'instance
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post.save().then(() => console.log("Post saved !"));
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// Supprimer l'instance
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post.destroyRecord().then(() => console.log("Post deleted !"));
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```
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---
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## Modèles (4)
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### Effectuer des requêtes sur le "store"
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```javascript
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// app/controllers/posts.js
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// Récupérer toutes les instances de "post"
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var posts = this.get('store').findAll('post');
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// Requête avec filtre
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var posts = this.get('store').query('post', {
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filter: {
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title: "Foo Bar"
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}
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});
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```
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---
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@ -0,0 +1 @@
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Subproject commit 51eafba3eadbbce1833b76d11667461e14cb5197
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@ -0,0 +1 @@
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{ "presets": ["react", "es2015"] }
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@ -0,0 +1 @@
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/node_modules
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@ -0,0 +1,10 @@
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import React from 'react'
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import ReactDOM from 'react-dom'
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import HelloWorld from './components/hello-world'
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import PropsExample from './components/props-example'
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import Clock from './components/clock-lifecycle'
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import Counter from './components/counter'
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ReactDOM.render(<HelloWorld />, document.getElementById('app'))
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ReactDOM.render(<Clock />, document.getElementById('clock'))
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ReactDOM.render(<Counter />, document.getElementById('counter'))
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34
developpement/intro_javascript/ressources/react-demo/components/clock-lifecycle.js
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34
developpement/intro_javascript/ressources/react-demo/components/clock-lifecycle.js
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@ -0,0 +1,34 @@
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import React from 'react'
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class Clock extends React.Component {
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constructor(props) {
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super(props)
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this.state = {
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time: new Date()
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}
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}
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componentDidMount() {
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console.log('mount')
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this.intervalId = setInterval(this.tick.bind(this), 1000);
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}
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componentWillUnmount() {
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console.log('unmount')
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clearInterval(this.intervalId);
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}
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render() {
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return (
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<div>Time: { this.state.time.toString() }</div>
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)
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}
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tick() {
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this.setState({ time: new Date() });
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}
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}
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export default Clock
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@ -0,0 +1,26 @@
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import React from 'react'
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class Clock extends React.Component {
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constructor(props) {
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super(props)
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this.state = {
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time: new Date()
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}
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setInterval(this.tick.bind(this), 1000);
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}
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render() {
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return (
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<div>Time: { this.state.time.toString() }</div>
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)
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}
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tick() {
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this.setState({ time: new Date() });
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}
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}
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export default Clock
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// components/counter.js
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import React from 'react'
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class Counter extends React.Component {
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constructor(props) {
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// On fait appel au constructeur de la classe
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// parente
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super(props)
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// Initialisation du "state" du composant
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this.state = {
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count: 0
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}
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}
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// Méthode de rendu du composant
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render() {
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return (
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<div>
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Count: <span>{ this.state.count }</span>
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<button onClick={ () => this.increment() }>+1</button>
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<button onClick={ () => this.decrement() }>-1</button>
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</div>
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)
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}
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// La méthode increment() incrémente la valeur du compteur de 1
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increment() {
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this.setState(prevState => ({ count: prevState.count+1 }))
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}
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// La méthode decrement() incrémente la valeur du compteur de 1
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decrement() {
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this.setState(prevState => ({ count: prevState.count-1 }))
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}
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}
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export default Counter
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17
developpement/intro_javascript/ressources/react-demo/components/hello-world.js
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17
developpement/intro_javascript/ressources/react-demo/components/hello-world.js
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import React from 'react'
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class HelloWorld extends React.Component {
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render() {
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return (
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<div className='hello-world'>
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<h1>Hello World</h1>
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<p>Welcome to React</p>
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</div>
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)
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}
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}
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export default HelloWorld
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13
developpement/intro_javascript/ressources/react-demo/components/props-example.js
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13
developpement/intro_javascript/ressources/react-demo/components/props-example.js
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import React from 'react'
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class PropsExample extends React.Component {
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render() {
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return (
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<span>{ this.props.text }</span>
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)
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}
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}
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export default PropsExample
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{
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"name": "react-demo",
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"version": "1.0.0",
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"description": "",
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"main": "index.js",
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"dependencies": {
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"react": "^16.2.0",
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"react-dom": "^16.2.0"
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},
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"devDependencies": {
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"babel-cli": "^6.26.0",
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"babel-loader": "^7.1.2",
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"babel-preset-es2015": "^6.24.1",
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"babel-preset-react": "^6.24.1",
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"css-loader": "^0.28.8",
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"path": "^0.12.7",
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"style-loader": "^0.19.1",
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"webpack": "^3.10.0",
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"webpack-dev-server": "^2.10.0"
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},
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"scripts": {
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"start": "webpack-dev-server",
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"author": "",
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"license": "ISC"
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}
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<!DOCTYPE html>
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<html>
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<head>
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<title>"Simple" React with Webpack</title>
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</head>
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<body>
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<div id='app'></div>
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---
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<div id='props-example'></div>
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---
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<div id='clock'></div>
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---
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<div id='counter'></div>
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<script src='/bundle.js'></script>
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</body>
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</html>
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var webpack = require('webpack')
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var path = require('path')
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module.exports = {
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entry: path.resolve(__dirname, 'app'),
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output: {
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path: __dirname + '/dist',
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publicPath: '/',
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filename: 'bundle.js'
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},
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devServer: {
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contentBase: path.resolve(__dirname, 'public')
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},
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module: {
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loaders: [
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{test: /\.js$/, exclude: /node_modules/, loaders: ['babel-loader']},
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{test: /(\.css)$/, loaders: ['style-loader', 'css-loader']}
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]
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}
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}
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@ -22,7 +22,6 @@ class AppKernel extends Kernel
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{
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return array(
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new Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
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new Symfony\Bundle\TwigBundle\TwigBundle(),
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);
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}
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@ -32,15 +31,15 @@ class AppKernel extends Kernel
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// PHP equivalent of config.yml
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$c->loadFromExtension('framework', array(
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'secret' => 'S0ME_SECRET',
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'templating' => [
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'engine' => [
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'twig'
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],
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],
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// 'templating' => [
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// 'engine' => [
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// 'twig'
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// ],
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// ],
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));
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$c->loadFromExtension('twig', [
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'default_path' => __DIR__.'/../templates',
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]);
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// $c->loadFromExtension('twig', [
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// 'default_path' => __DIR__.'/../templates',
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// ]);
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}
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// Configuration des routes
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