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Creating Skip Navigation Links #29

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Creating Skip Navigation Links #29

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a991a7c
Creating Skip Navigation Links
arnvvd Oct 21, 2024
79beb10
Update skiplink selector
arnvvd Oct 21, 2024
6292998
Update skip link event listener
arnvvd Oct 21, 2024
3749d60
Update SkipLink.ts
arnvvd Oct 21, 2024
8958c57
Update SkipLink.ts
arnvvd Oct 21, 2024
51de6f0
Update src/components/SkipLink/SkipLink.ts
arnvvd Oct 21, 2024
34b6a1b
Apply skip links feedbacks
arnvvd Oct 21, 2024
dd60aa5
Update `SkipLink` default positioning to `absolute` instead of `fixed`
Jerek0 Oct 23, 2024
ec03f37
Merge branch 'main' into feature/skiplink
Jerek0 Oct 23, 2024
2e38251
Add swup-a11y-plugin & add #page-heading class to all `h1` occurrences
Jerek0 Nov 6, 2024
f60c33a
Merge branch 'feature/swup-a11y-plugin' into feature/skiplink
Jerek0 Nov 7, 2024
7954a15
[SkipLink] Use native anchor link instead of WebComponent + Add local…
Jerek0 Nov 7, 2024
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23 changes: 23 additions & 0 deletions src/components/SkipLink/SkipLink.astro
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
---
import Button from '@components/Button/Button.astro';

interface Props {
label?: string;
class?: string;
target?: string;
}

const { label = 'Skip to main content', target, class: propsClass, ...rest } = Astro.props;

const classes = ['c-skip-link', propsClass];
---

<c-skip-link class:list={classes} target={target} {...rest}>
<Button>{label}</Button>
</c-skip-link>

<style is:global>
@import 'SkipLink.scss';
</style>

<script src="./SkipLink.ts"></script>
27 changes: 27 additions & 0 deletions src/components/SkipLink/SkipLink.scss
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Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
// ==========================================================================
// Components / Skip Link Button
// ==========================================================================

.c-skip-link {
position: fixed;
top: theme-spacing('fluid-sm');
left: 50%;
opacity: 0;
transform: translate3d(-50%, -100%, 0);
z-index: theme-z('skip');
white-space: nowrap;
pointer-events: none;
transition:
opacity theme-speed() theme-ease(),
transform theme-speed() theme-ease();

@media (prefers-reduced-motion) {
transition: none;
}

&:focus-within {
pointer-events: all;
opacity: 1;
transform: translate3d(-50%, 0, 0);
}
}
65 changes: 65 additions & 0 deletions src/components/SkipLink/SkipLink.ts
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Original file line number Diff line number Diff line change
@@ -0,0 +1,65 @@
export default class SkipLink extends HTMLElement {
private onClickBind: (e: Event) => void;

constructor() {
super();

// Binding
this.onClickBind = this.onClick.bind(this);
}

// =============================================================================
// Lifecycle
// =============================================================================
connectedCallback() {
this.bindEvents();
}

disconnectedCallback() {
this.unbindEvents();
}

// =============================================================================
// Events
// =============================================================================
bindEvents() {
this.addEventListener('click', this.onClickBind);
}
unbindEvents() {
this.removeEventListener('click', this.onClickBind);
}

// =============================================================================
// Callbacks
// =============================================================================
onClick(e: Event) {
e.preventDefault();

const $mainContent = document.querySelector(
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This variable should be renamed to $target to match corresponding custom target attribute.

this.getAttribute('target') ?? 'main[tabindex]'
) as HTMLElement;

if ($mainContent) {
$mainContent.scrollIntoView({
behavior: 'smooth',
block: 'start'
});
$mainContent.focus();

if (document.activeElement != $mainContent) {
$mainContent.setAttribute('tabindex', '-1');
$mainContent.focus();

$mainContent.addEventListener(
'blur',
() => {
$mainContent.removeAttribute('tabindex');
},
{ once: true }
);
}
}
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}
}

customElements.define('c-skip-link', SkipLink);
5 changes: 4 additions & 1 deletion src/layouts/Layout.astro
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ import '@styles/main.scss';
import { SEO } from 'astro-seo';
import { defaultSeo } from '@data/seo';
import { getSeo } from '@scripts/utils/seo';
import SkipLink from '@components/SkipLink/SkipLink.astro';

interface Props {
title: string;
Expand Down Expand Up @@ -43,6 +44,8 @@ const FONTS: string[] = [
}
</head>
<body>
<SkipLink />

<div class="u-container">
<nav class="u-flex u-gap-gutter u-py-fluid-md">
<a href="/">Index</a>
Expand All @@ -51,7 +54,7 @@ const FONTS: string[] = [
</nav>
</div>

<main role="main" id="swup" class="transition-fade">
<main role="main" id="swup" class="transition-fade" tabindex="-1">
<div id="content">
<slot />
</div>
Expand Down
1 change: 1 addition & 0 deletions tailwind.config.ts
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Expand Up @@ -123,6 +123,7 @@ export default {
// smooth: 'cubic-bezier(0.380, 0.005, 0.215, 1)',
},
zIndex: {
skip: '300',
modal: '200',
header: '100',
above: '1',
Expand Down