examples/hackernews/src/pages/[...stories].astro


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105

---
import For from '../components/For.astro';
import Show from '../components/Show.astro';
import Story from '../components/Story.astro';
import Layout from '../layouts/Layout.astro';
import fetchAPI from '../lib/api';
import type { IStory } from '../types.js';

const mapStories = {
	top: 'news',
	new: 'newest',
	show: 'show',
	ask: 'ask',
	job: 'jobs',
};

function safeParseInt(value: any, fallback: number) {
	try {
		return parseInt(value) || fallback;
	} catch {
		return fallback;
	}
}

const page = safeParseInt(Astro.url.searchParams.get('page'), 1);
const type =
	Astro.params.stories && Astro.params.stories in mapStories
		? (Astro.params.stories.toString() as keyof typeof mapStories)
		: 'top';

const stories = (await fetchAPI(`${mapStories[type]}?page=${page}`)) as IStory[];
---

<Layout>
	<section>
		<nav aria-labelledby="current-page">
			<Show when={page > 1}>
				<a href={`/${type}?page=${page - 1}`} aria-label="Previous Page"> &lt; prev</a>
				<span slot="fallback" aria-disabled="true"> &lt; prev</span>
			</Show>
			<span id="current-page">page {page}</span>
			<Show when={stories?.length >= 29}>
				<a href={`/${type}?page=${page + 1}`} aria-label="Next Page">more &gt;</a>
				<span slot="fallback" aria-disabled="true"> more &gt;</span>
			</Show>
		</nav>
		<main>
			<Show when={stories}>
				<ul>
					<For each={stories}>{(story: IStory) => <Story story={story} />}</For>
				</ul>
			</Show>
		</main>
	</section>
</Layout>

<style>
	section {
		padding-top: 45px;
	}

	nav,
	main {
		background-color: rgb(248 250 252);
		border-radius: 2px;
	}

	nav {
		padding: 15px 30px;
		position: fixed;
		text-align: center;
		top: 55px;
		left: 0;
		right: 0;
		z-index: 998;
		box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
	}

	nav a {
		margin: 0 1em;
	}

	[aria-disabled='true'] {
		color: rgb(71 85 105);
		margin: 0 1em;
	}

	main {
		position: absolute;
		margin: 30px 0;
		width: 100%;
	}

	ul {
		list-style-type: none;
		padding: 0;
		margin: 0;
	}

	@media (max-width: 600px) {
		main {
			margin: 10px 0;
		}
	}
</style>