merge develop: Flutter 3.29 web, nginx, index bootstrap (build Docker)

This commit is contained in:
MARTIN Julien 2026-04-22 19:10:08 +02:00
commit 12296c917e
15 changed files with 122 additions and 191 deletions

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@ -269,13 +269,17 @@ CREATE TABLE notifications (
-- ==========================================================
-- Table : validations
-- ==========================================================
-- Historique des décisions (validation / refus / suspension de compte).
-- Colonnes commentaire + valide_par : requises par lAPI Nest (TypeORM).
-- FK en ON DELETE SET NULL : conserver la ligne si lutilisateur référencé
-- est supprimé (voir database/docs/FK_POLICIES.md).
CREATE TABLE validations (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
id_utilisateur UUID REFERENCES utilisateurs(id),
id_utilisateur UUID REFERENCES utilisateurs(id) ON DELETE SET NULL,
type VARCHAR(50),
statut statut_validation_type DEFAULT 'en_attente',
commentaire TEXT,
valide_par UUID REFERENCES utilisateurs(id),
valide_par UUID REFERENCES utilisateurs(id) ON DELETE SET NULL,
cree_le TIMESTAMPTZ DEFAULT now(),
modifie_le TIMESTAMPTZ DEFAULT now()
);

View File

@ -47,6 +47,7 @@ Documenter, de façon unique et partagée, les règles de suppression/mise à jo
| **uploads(id_utilisateur)**`utilisateurs(id)` | **SET NULL** | Fichier reste référencé sans lauteur |
| **notifications(id_utilisateur)**`utilisateurs(id)` | **CASCADE** | Notifications propres à lutilisateur |
| **validations(id_utilisateur)**`utilisateurs(id)` | **SET NULL** | Garder lhistorique de décision |
| **validations(valide_par)**`utilisateurs(id)` | **SET NULL** | Décideur supprimé : la ligne reste |
> **ON UPDATE** : **NO ACTION** partout (les UUID ne changent pas).
@ -84,7 +85,8 @@ Documenter, de façon unique et partagée, les règles de suppression/mise à jo
- `signalements_bugs.id_utilisateur`**SET NULL**
- `uploads.id_utilisateur`**SET NULL**
- `notifications.id_utilisateur`**CASCADE**
- `validations.id_utilisateur` → **SET NULL**
- `validations.id_utilisateur`**SET NULL**
- `validations.valide_par` → **SET NULL**
---

View File

@ -5,4 +5,4 @@ ALTER TABLE validations
ADD COLUMN IF NOT EXISTS commentaire TEXT;
ALTER TABLE validations
ADD COLUMN IF NOT EXISTS valide_par UUID REFERENCES utilisateurs(id);
ADD COLUMN IF NOT EXISTS valide_par UUID REFERENCES utilisateurs(id) ON DELETE SET NULL;

View File

@ -0,0 +1,13 @@
-- Alignement FK validations ↔ BDD.sql / FK_POLICIES (ON DELETE SET NULL).
-- À exécuter sur les bases créées avant la mise à jour du 2026-04-18.
-- Noms de contraintes par défaut PostgreSQL : {table}_{colonne}_fkey.
ALTER TABLE validations DROP CONSTRAINT IF EXISTS validations_id_utilisateur_fkey;
ALTER TABLE validations
ADD CONSTRAINT validations_id_utilisateur_fkey
FOREIGN KEY (id_utilisateur) REFERENCES utilisateurs(id) ON DELETE SET NULL;
ALTER TABLE validations DROP CONSTRAINT IF EXISTS validations_valide_par_fkey;
ALTER TABLE validations
ADD CONSTRAINT validations_valide_par_fkey
FOREIGN KEY (valide_par) REFERENCES utilisateurs(id) ON DELETE SET NULL;

View File

@ -5,5 +5,6 @@ Scripts à appliquer **manuellement** sur les bases déjà créées (ex. `psql`
| Fichier | Objet |
|---------|--------|
| `2026-04-17-validations-commentaire-valide-par.sql` | Ajoute `commentaire` et `valide_par` sur `validations` (requis par lAPI / TypeORM). |
| `2026-04-18-validations-fk-on-delete-set-null.sql` | Passe les FK `id_utilisateur` et `valide_par` en **ON DELETE SET NULL** (comme `BDD.sql` à jour). |
Les nouvelles installs via `BDD.sql` à jour incluent déjà ces colonnes.
Les nouvelles installs via `BDD.sql` à jour incluent déjà ces colonnes et ces politiques de suppression.

View File

@ -212,7 +212,7 @@ INSERT INTO validations (id, id_utilisateur, statut, commentaire, cree_le)
VALUES (
'v0000000-0000-0000-0000-000000000001',
'66666666-6666-6666-6666-666666666666',
'accepte',
'valide',
'Dossier AM vérifié par gestionnaire.',
NOW()
)

View File

@ -1528,7 +1528,7 @@ sequenceDiagram
### Architecture Frontend
**Framework** : Flutter 3.19.0
**Framework** : Flutter 3.29.3
**Langage** : Dart 3.x
**State Management** : Provider / Riverpod
**HTTP Client** : Dio / http

View File

@ -18,7 +18,7 @@ jobs:
- name: 💡 Set up Flutter
uses: subosito/flutter-action@v2
with:
flutter-version: '3.19.0' # ou celle que tu utilises
flutter-version: '3.29.3'
channel: stable
- name: 📦 Install dependencies

View File

@ -1,5 +1,5 @@
# Stage builder
FROM ghcr.io/cirruslabs/flutter:3.19.0 AS builder
FROM ghcr.io/cirruslabs/flutter:3.29.3 AS builder
WORKDIR /app
COPY pubspec.* ./
RUN flutter pub get
@ -8,6 +8,10 @@ RUN flutter build web --release
# Stage production
FROM nginx:alpine
# Image nginx:alpine contient déjà index.html « Welcome to nginx ».
# Un merge de dossiers sans nettoyage peut laisser ce fichier si le build
# Flutter nécrase pas tous les fichiers → SPA invisible. On vide dabord.
RUN rm -rf /usr/share/nginx/html/*
COPY nginx.conf /etc/nginx/conf.d/default.conf
COPY --from=builder /app/build/web /usr/share/nginx/html

View File

@ -1,14 +1,24 @@
import 'package:flutter/foundation.dart' show kIsWeb;
class Env {
// Base URL de l'API, surchargeable à la compilation via --dart-define=API_BASE_URL
static const String apiBaseUrl = String.fromEnvironment(
'API_BASE_URL',
defaultValue: 'https://app.ptits-pas.fr',
);
/// Base URL de lAPI (sans `/api/v1`).
///
/// - **Web prod** : par défaut on utilise [Uri.base.origin] (même schéma + hôte que la page),
/// ce qui évite les blocages « mixed content » (ex. page en `http://` vs API en `https://`)
/// et les builds `--dart-define=API_BASE_URL` ne serait pas passé.
/// - **Web dev** : surcharger avec `--dart-define=API_BASE_URL=http://localhost:3000` (ou lURL du back).
/// - **Mobile** : défaut `https://app.ptits-pas.fr` ou `API_BASE_URL` en `--dart-define`.
static String get apiBaseUrl {
const fromEnv = String.fromEnvironment('API_BASE_URL');
if (fromEnv.isNotEmpty) {
return fromEnv;
}
if (kIsWeb) {
return Uri.base.origin;
}
return 'https://app.ptits-pas.fr';
}
// Construit une URL vers l'API v1 à partir d'un chemin (commençant par '/')
static String apiV1(String path) => '$apiBaseUrl/api/v1$path';
/// Construit une URL vers l'API v1 à partir d'un chemin (commençant par '/')
static String apiV1(String path) => '${apiBaseUrl}/api/v1$path';
}

View File

@ -69,7 +69,10 @@ class AuthService {
}
} catch (e) {
if (e is Exception) rethrow;
throw Exception('Erreur réseau: impossible de se connecter au serveur');
// Erreurs non-Exception (ex. certains cas côté web) : afficher le détail pour le diagnostic
throw Exception(
'Erreur réseau: impossible de se connecter au serveur (${e.runtimeType}: $e)',
);
}
}

View File

@ -137,7 +137,7 @@ class _CguPrivacyValidationDialogState extends State<CguPrivacyValidationDialog>
child: Material(
color: _ModaleCouleur.ivoire,
elevation: 6,
shadowColor: _ModaleCouleur.encre.withValues(alpha: 0.12),
shadowColor: _ModaleCouleur.encre.withOpacity(0.12),
child: SizedBox(
width: dialogW,
height: dialogH,
@ -179,9 +179,7 @@ class _CguPrivacyValidationDialogState extends State<CguPrivacyValidationDialog>
color: Colors.white,
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: _ModaleCouleur.turquoiseFonce.withValues(
alpha: 0.35,
),
color: _ModaleCouleur.turquoiseFonce.withOpacity(0.35),
),
),
child: ClipRRect(
@ -200,7 +198,7 @@ class _CguPrivacyValidationDialogState extends State<CguPrivacyValidationDialog>
'Document non disponible.',
style: GoogleFonts.merienda(
color: _ModaleCouleur.encre
.withValues(alpha: 0.75),
.withOpacity(0.75),
),
),
),
@ -221,9 +219,9 @@ class _CguPrivacyValidationDialogState extends State<CguPrivacyValidationDialog>
backgroundColor: _ModaleCouleur.turquoiseFonce,
foregroundColor: Colors.white,
disabledBackgroundColor:
_ModaleCouleur.mentheClair.withValues(alpha: 0.7),
_ModaleCouleur.mentheClair.withOpacity(0.7),
disabledForegroundColor:
_ModaleCouleur.encre.withValues(alpha: 0.45),
_ModaleCouleur.encre.withOpacity(0.45),
padding: const EdgeInsets.symmetric(
horizontal: 20,
vertical: 14,
@ -286,7 +284,7 @@ class _CguPrivacyValidationDialogState extends State<CguPrivacyValidationDialog>
tooltip: 'Fermer',
icon: Icon(
Icons.close,
color: _ModaleCouleur.encre.withValues(alpha: 0.55),
color: _ModaleCouleur.encre.withOpacity(0.55),
),
onPressed: () => Navigator.of(context).pop(false),
),
@ -311,7 +309,7 @@ class _CguPrivacyValidationDialogState extends State<CguPrivacyValidationDialog>
? _ModaleCouleur.turquoise
: _ModaleCouleur.mentheTresClair,
side: BorderSide(
color: _ModaleCouleur.turquoiseFonce.withValues(alpha: 0.55),
color: _ModaleCouleur.turquoiseFonce.withOpacity(0.55),
width: 1.5,
),
padding: const EdgeInsets.symmetric(horizontal: 18, vertical: 10),
@ -327,10 +325,8 @@ class _CguPrivacyValidationDialogState extends State<CguPrivacyValidationDialog>
}
}
/// [PdfViewPinch] sappuie sur un [InteractiveViewer], sans vrai [Scrollable] :
/// barre verticale reliée à [PdfControllerPinch.documentProgress] pour que le
/// « chariot » reste visible (surtout sur le web la barre OS est souvent
/// masquée).
/// [PdfViewPinch] pour le web / mobile avec `pdfx` 2.6 (pas de
/// `documentProgress` / `minScale` dans cette API).
class _PdfPaneWithScrollbar extends StatefulWidget {
const _PdfPaneWithScrollbar({
super.key,
@ -344,106 +340,27 @@ class _PdfPaneWithScrollbar extends StatefulWidget {
}
class _PdfPaneWithScrollbarState extends State<_PdfPaneWithScrollbar> {
static const double _barW = 14;
static const double _thumbW = 9;
static const double _minThumbH = 44;
late final PdfControllerPinch _ctrl;
@override
void initState() {
super.initState();
_ctrl = PdfControllerPinch(document: widget.documentFuture);
_ctrl.addListener(_onCtrl);
}
void _onCtrl() {
// [PdfViewPinch] met à jour documentProgress dans son propre listener :
// replanifier pour lire la valeur après ce tour de notifications.
Future.microtask(() {
if (mounted) setState(() {});
});
}
@override
void dispose() {
_ctrl.removeListener(_onCtrl);
_ctrl.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final raw = _ctrl.documentProgress;
final safeP = (!raw.isFinite || raw.isNaN) ? 0.0 : raw.clamp(0.0, 1.0);
return Stack(
clipBehavior: Clip.hardEdge,
fit: StackFit.expand,
children: [
Padding(
padding: const EdgeInsets.only(right: _barW),
child: PdfViewPinch(
padding: 10,
scrollDirection: Axis.vertical,
minScale: 1,
maxScale: 4,
controller: _ctrl,
backgroundDecoration: const BoxDecoration(color: Colors.white),
),
),
Positioned(
top: 6,
right: 1,
bottom: 6,
width: _barW,
child: LayoutBuilder(
builder: (context, c) {
final trackH = c.maxHeight;
final thumbH = (trackH * 0.2).clamp(_minThumbH, trackH * 0.5);
final maxTop = (trackH - thumbH).clamp(0.0, double.infinity);
final top = safeP * maxTop;
return Semantics(
label: 'Position dans le document',
child: Stack(
children: [
Positioned.fill(
child: DecoratedBox(
decoration: BoxDecoration(
color: _ModaleCouleur.turquoise.withValues(
alpha: 0.35,
),
borderRadius: BorderRadius.circular(8),
),
),
),
Positioned(
top: top,
left: (_barW - _thumbW) / 2,
child: Container(
width: _thumbW,
height: thumbH,
decoration: BoxDecoration(
color: _ModaleCouleur.turquoiseFonce,
borderRadius: BorderRadius.circular(_thumbW / 2),
boxShadow: const [
BoxShadow(
color: Color(0x40000000),
blurRadius: 3,
offset: Offset(0, 1),
),
],
),
),
),
],
),
);
},
),
),
],
return PdfViewPinch(
padding: 10,
scrollDirection: Axis.vertical,
controller: _ctrl,
backgroundDecoration: const BoxDecoration(color: Colors.white),
);
}
}

View File

@ -1,6 +1,7 @@
server {
listen 80;
server_name ynov.ptits-pas.fr;
# Host réel fourni par Traefik (app.ptits-pas.fr, etc.)
server_name _;
location / {
root /usr/share/nginx/html;

View File

@ -5,42 +5,42 @@ packages:
dependency: transitive
description:
name: async
sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
sha256: d2872f9c19731c2e5f10444b14686eb7cc85c76274bd6c16e1816bff9a3bab63
url: "https://pub.dev"
source: hosted
version: "2.11.0"
version: "2.12.0"
boolean_selector:
dependency: transitive
description:
name: boolean_selector
sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
url: "https://pub.dev"
source: hosted
version: "2.1.1"
version: "2.1.2"
characters:
dependency: transitive
description:
name: characters
sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
url: "https://pub.dev"
source: hosted
version: "1.3.0"
version: "1.4.0"
clock:
dependency: transitive
description:
name: clock
sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
url: "https://pub.dev"
source: hosted
version: "1.1.1"
version: "1.1.2"
collection:
dependency: transitive
description:
name: collection
sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
url: "https://pub.dev"
source: hosted
version: "1.18.0"
version: "1.19.1"
cross_file:
dependency: transitive
description:
@ -85,10 +85,10 @@ packages:
dependency: transitive
description:
name: fake_async
sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
sha256: "6a95e56b2449df2273fd8c45a662d6947ce1ebb7aafe80e550a3f68297f3cacc"
url: "https://pub.dev"
source: hosted
version: "1.3.1"
version: "1.3.2"
ffi:
dependency: transitive
description:
@ -281,10 +281,10 @@ packages:
dependency: transitive
description:
name: intl
sha256: "3bc132a9dbce73a7e4a21a17d06e1878839ffbf975568bc875c60537824b0c4d"
sha256: d6f56758b7d3014a48af9701c085700aac781a92a87a62b1333b46d8879661cf
url: "https://pub.dev"
source: hosted
version: "0.18.1"
version: "0.19.0"
js:
dependency: "direct main"
description:
@ -297,26 +297,26 @@ packages:
dependency: transitive
description:
name: leak_tracker
sha256: "78eb209deea09858f5269f5a5b02be4049535f568c07b275096836f01ea323fa"
sha256: c35baad643ba394b40aac41080300150a4f08fd0fd6a10378f8f7c6bc161acec
url: "https://pub.dev"
source: hosted
version: "10.0.0"
version: "10.0.8"
leak_tracker_flutter_testing:
dependency: transitive
description:
name: leak_tracker_flutter_testing
sha256: b46c5e37c19120a8a01918cfaf293547f47269f7cb4b0058f21531c2465d6ef0
sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
url: "https://pub.dev"
source: hosted
version: "2.0.1"
version: "3.0.9"
leak_tracker_testing:
dependency: transitive
description:
name: leak_tracker_testing
sha256: a597f72a664dbd293f3bfc51f9ba69816f84dcd403cdac7066cb3f6003f3ab47
sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
url: "https://pub.dev"
source: hosted
version: "2.0.1"
version: "3.0.1"
lints:
dependency: transitive
description:
@ -337,26 +337,26 @@ packages:
dependency: transitive
description:
name: matcher
sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
url: "https://pub.dev"
source: hosted
version: "0.12.16+1"
version: "0.12.17"
material_color_utilities:
dependency: transitive
description:
name: material_color_utilities
sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a"
sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
url: "https://pub.dev"
source: hosted
version: "0.8.0"
version: "0.11.1"
meta:
dependency: transitive
description:
name: meta
sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
url: "https://pub.dev"
source: hosted
version: "1.11.0"
version: "1.16.0"
mime:
dependency: transitive
description:
@ -377,10 +377,10 @@ packages:
dependency: transitive
description:
name: path
sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
url: "https://pub.dev"
source: hosted
version: "1.9.0"
version: "1.9.1"
path_provider:
dependency: transitive
description:
@ -529,39 +529,39 @@ packages:
dependency: transitive
description: flutter
source: sdk
version: "0.0.99"
version: "0.0.0"
source_span:
dependency: transitive
description:
name: source_span
sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
sha256: "254ee5351d6cb365c859e20ee823c3bb479bf4a293c22d17a9f1bf144ce86f7c"
url: "https://pub.dev"
source: hosted
version: "1.10.0"
version: "1.10.1"
stack_trace:
dependency: transitive
description:
name: stack_trace
sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b"
sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
url: "https://pub.dev"
source: hosted
version: "1.11.1"
version: "1.12.1"
stream_channel:
dependency: transitive
description:
name: stream_channel
sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
url: "https://pub.dev"
source: hosted
version: "2.1.2"
version: "2.1.4"
string_scanner:
dependency: transitive
description:
name: string_scanner
sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
url: "https://pub.dev"
source: hosted
version: "1.2.0"
version: "1.4.1"
synchronized:
dependency: transitive
description:
@ -574,18 +574,18 @@ packages:
dependency: transitive
description:
name: term_glyph
sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
url: "https://pub.dev"
source: hosted
version: "1.2.1"
version: "1.2.2"
test_api:
dependency: transitive
description:
name: test_api
sha256: "5c2f730018264d276c20e4f1503fd1308dfbbae39ec8ee63c5236311ac06954b"
sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
url: "https://pub.dev"
source: hosted
version: "0.6.1"
version: "0.7.4"
typed_data:
dependency: transitive
description:
@ -686,10 +686,10 @@ packages:
dependency: transitive
description:
name: vm_service
sha256: b3d56ff4341b8f182b96aceb2fa20e3dcb336b9f867bc0eafc0de10f1048e957
sha256: "0968250880a6c5fe7edc067ed0a13d4bae1577fe2771dcf3010d52c4a9d3ca14"
url: "https://pub.dev"
source: hosted
version: "13.0.0"
version: "14.3.1"
web:
dependency: transitive
description:
@ -723,5 +723,5 @@ packages:
source: hosted
version: "1.1.0"
sdks:
dart: ">=3.3.0 <4.0.0"
dart: ">=3.7.0-0 <4.0.0"
flutter: ">=3.19.0"

View File

@ -32,21 +32,9 @@
<title>P'titsPas</title>
<link rel="manifest" href="manifest.json">
<!-- Suppression des dépendances image_cropper web -->
<!--
<script src="https://cdnjs.cloudflare.com/ajax/libs/cropperjs/1.5.12/cropper.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/cropperjs/1.5.12/cropper.min.css">
-->
<script>
// The value below is injected by flutter build, do not touch.
const serviceWorkerVersion = "{{flutter_service_worker_version}}";
</script>
<!-- This script adds the flutter initialization JS code -->
<script src="flutter.js" defer></script>
</head>
<body>
<!-- pdf.js (pdfx) — chargé avant le moteur Flutter -->
<script src='https://cdn.jsdelivr.net/npm/pdfjs-dist@4.6.82/build/pdf.min.mjs' type='module'></script>
<script type='module'>
var { pdfjsLib } = globalThis;
@ -57,20 +45,8 @@
cMapPacked: true,
}
</script>
<script>
window.addEventListener('load', function(ev) {
// Download main.dart.js
_flutter.loader.loadEntrypoint({
serviceWorker: {
serviceWorkerVersion: serviceWorkerVersion,
},
onEntrypointLoaded: function(engineInitializer) {
engineInitializer.initializeEngine().then(function(appRunner) {
appRunner.runApp();
});
}
});
});
</script>
<!-- Flutter 3.29+ : le build génère flutter_bootstrap.js ; index.html doit le référencer
(voir https://docs.flutter.dev/platform-integration/web/initialization) -->
<script src="flutter_bootstrap.js" async></script>
</body>
</html>