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fix(blog): show a window of page links instead of every page #3

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Merged
fleizean merged 1 commit into from
Oct 19, 2026
Merged

fix(blog): show a window of page links instead of every page #3

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28 changes: 23 additions & 5 deletions src/frontend/src/app/features/blog/blog-list/blog-list.html
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Original file line number Diff line number Diff line change
Expand Up @@ -84,14 +84,32 @@ <h2 class="text-xl font-bold text-slate-900 dark:text-white mb-2">No articles ye

@if (totalPages() > 1) {
<nav class="mt-16 flex flex-wrap justify-center gap-2" aria-label="Blog pages">
@for (page of pages(); track page) {
<a [routerLink]="['/blog']" [queryParams]="page > 1 ? { page: page } : {}"
[attr.aria-current]="currentPage() === page ? 'page' : null"
[class]="currentPage() === page
@if (currentPage() > 1) {
<a [routerLink]="['/blog']" [queryParams]="currentPage() > 2 ? { page: currentPage() - 1 } : {}"
rel="prev" aria-label="Previous page"
class="bg-white dark:bg-transparent text-slate-700 dark:text-slate-300 border-gray-200 dark:border-[#1f1f1f] hover:bg-slate-50 dark:hover:bg-slate-900 border px-2 md:px-3 py-2 rounded transition-colors flex items-center">
<lucide-icon [img]="PrevIcon" class="w-4 h-4"></lucide-icon>
</a>
}
@for (link of pages(); track link.kind === 'page' ? link.page : link.key) {
@if (link.kind === 'page') {
<a [routerLink]="['/blog']" [queryParams]="link.page > 1 ? { page: link.page } : {}"
[attr.aria-current]="currentPage() === link.page ? 'page' : null"
[class]="currentPage() === link.page
? 'bg-slate-900 text-white dark:bg-white dark:text-slate-900 border-slate-900 dark:border-white'
: 'bg-white dark:bg-transparent text-slate-700 dark:text-slate-300 border-gray-200 dark:border-[#1f1f1f] hover:bg-slate-50 dark:hover:bg-slate-900'"
class="font-mono text-xs font-bold border px-3 md:px-4 py-2 rounded transition-colors uppercase tracking-widest">
{{ page }}
{{ link.page }}
</a>
} @else {
<span class="font-mono text-xs font-bold px-1 py-2 text-slate-400 dark:text-slate-600" aria-hidden="true">…</span>
}
}
@if (currentPage() < totalPages()) {
<a [routerLink]="['/blog']" [queryParams]="{ page: currentPage() + 1 }"
rel="next" aria-label="Next page"
class="bg-white dark:bg-transparent text-slate-700 dark:text-slate-300 border-gray-200 dark:border-[#1f1f1f] hover:bg-slate-50 dark:hover:bg-slate-900 border px-2 md:px-3 py-2 rounded transition-colors flex items-center">
<lucide-icon [img]="NextIcon" class="w-4 h-4"></lucide-icon>
</a>
}
</nav>
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23 changes: 21 additions & 2 deletions src/frontend/src/app/features/blog/blog-list/blog-list.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
import { DatePipe } from '@angular/common';
import { ActivatedRoute, RouterLink } from '@angular/router';
import { Subject, catchError, distinctUntilChanged, map, of, startWith, switchMap, tap } from 'rxjs';
import { LucideAngularModule, BookOpen, AlertCircle } from 'lucide-angular';
import { LucideAngularModule, BookOpen, AlertCircle, ChevronLeft, ChevronRight } from 'lucide-angular';
import { ApiService } from '../../../core/services/api';
import { SeoService } from '../../../core/services/seo.service';
import { BlogPostSnippet } from '../../../core/models/blog.models';
Expand All @@ -13,7 +13,24 @@ import { stripMarkdown } from '../../../core/utils/markdown.utils';
type PageState = 'loading' | 'loaded' | 'error';
type Loaded = { page: PaginatedResult<BlogPostSnippet> } | { failure: unknown };

type PageLink = { kind: 'page'; page: number } | { kind: 'gap'; key: string };

const PAGE_SIZE = 10;
const SIBLINGS = 1;

function pageWindow(current: number, total: number): PageLink[] {
let start = Math.max(2, current - SIBLINGS);
let end = Math.min(total - 1, current + SIBLINGS);
if (start === 3) start = 2;
if (end === total - 2) end = total - 1;

const links: PageLink[] = [{ kind: 'page', page: 1 }];
if (start > 2) links.push({ kind: 'gap', key: 'gap-start' });
for (let page = start; page <= end; page++) links.push({ kind: 'page', page });
if (end < total - 1) links.push({ kind: 'gap', key: 'gap-end' });
if (total > 1) links.push({ kind: 'page', page: total });
return links;
}

@Component({
selector: 'app-blog-list',
Expand All @@ -29,14 +46,16 @@ export class BlogListComponent {

readonly BookOpenIcon = BookOpen;
readonly AlertIcon = AlertCircle;
readonly PrevIcon = ChevronLeft;
readonly NextIcon = ChevronRight;
readonly skeletonRows = [1, 2, 3];
readonly stripMarkdown = stripMarkdown;

posts = signal<BlogPostSnippet[]>([]);
state = signal<PageState>('loading');
currentPage = signal(1);
totalPages = signal(0);
pages = computed(() => Array.from({ length: this.totalPages() }, (_, index) => index + 1));
pages = computed(() => pageWindow(this.currentPage(), this.totalPages()));

private reload$ = new Subject<void>();

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