hydraline_flutter 0.0.11 
hydraline_flutter: ^0.0.11 copied to clipboard
leonidov.devFlutter widgets + web runtime for Hydraline. Seo.* widgets, Island zones, IslandHost engine, SSG runner, L2 dispatcher + Service Worker. Re-exports hydraline core.
// Hydraline Flutter example: a product page built with Seo.* widgets and
// islands. The same widgets render visually at runtime and register semantic
// HTML during SSG extraction.
//
// SSG extraction runs inside flutter_tester - see the package README.
// Static build: dart run hydraline_flutter:build hydraline.routes.yaml dist
import 'package:flutter/material.dart';
import 'package:hydraline_flutter/hydraline_flutter.dart';
void main() {
runApp(const MaterialApp(home: ProductPage()));
}
class ProductPage extends StatelessWidget {
const ProductPage({super.key});
@override
Widget build(BuildContext context) => Scaffold(
body: HydraApp(
// At runtime `collector` is null - widgets just render.
// During SSG extraction a SsgCollector instance is injected and the
// same widgets self-register their semantic content.
child: SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Route metadata - renders nothing, registers <head> content.
Seo.head(
const SeoMeta(
title: 'Espresso Machine - Barista Shop',
description: 'Compact 15-bar espresso machine.',
),
),
// Semantic content: headings, text, images, links.
Seo.heading('Espresso Machine', level: 1),
Seo.text('Compact 15-bar espresso machine with a milk frother.'),
Seo.image(
'/img/espresso.jpg',
alt: 'Espresso machine, front view',
width: 800,
height: 600,
),
Seo.link(href: '/catalog', child: const Text('Back to catalog')),
Seo.section(
role: SectionRole.section,
children: [
Seo.heading('Specifications', level: 2),
Seo.list(
ordered: false,
items: [
Seo.text('15-bar pump'),
Seo.text('1.5 L water tank'),
Seo.text('Steam milk frother'),
],
),
],
),
// Level 2: a Flutter island - the engine loads only when this
// scrolls into the viewport. Size reservation prevents CLS.
const Island(
id: 'price-calculator',
type: IslandType.flutter,
directive: HydrationDirective.onVisible,
props: {'price': 249, 'currency': 'EUR'},
width: 640,
height: 320,
),
// Level 1: a vanilla JS accordion - no Flutter engine involved.
const Island(
id: 'faq',
type: IslandType.vanilla,
kind: 'accordion',
),
],
),
),
),
);
}
class PriceCalculator extends StatelessWidget {
const PriceCalculator({required this.price, super.key});
final int price;
@override
Widget build(BuildContext context) => Center(child: Text('Total: $price'));
}Metadata
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Flutter widgets + web runtime for Hydraline. Seo.* widgets, Island zones, IslandHost engine, SSG runner, L2 dispatcher + Service Worker. Re-exports hydraline core.
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Topics
#seo #flutter-web #hydration #islands #ssg
License
MIT (license)