Personal Website, vers. 1 (pushed far to late)

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Harlekin committed 2026-10-25 16:02:12 +01:00
commit c8df66d3da
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export function initContactForm(form) {
const status = form.querySelector('[data-form-status]');
const submit = form.querySelector('[type="submit"]');
const submitLabel = submit.innerHTML;
function setFieldError(name, message) {
const input = form.elements[name];
const error = form.querySelector(`[data-error-for="${name}"]`);
if (!input || !error) return;
input.closest('.field').classList.toggle('field--invalid', Boolean(message));
error.textContent = message || '';
error.hidden = !message;
if (message) {
input.setAttribute('aria-invalid', 'true');
input.setAttribute('aria-describedby', error.id);
} else {
input.removeAttribute('aria-invalid');
input.removeAttribute('aria-describedby');
}
}
function showStatus(message, kind) {
status.textContent = message;
status.className = `form-status form-status--${kind}`;
status.hidden = false;
}
form.addEventListener('submit', async (event) => {
event.preventDefault();
form.querySelector('[role="alert"]')?.remove();
for (const name of ['name', 'email', 'message']) setFieldError(name, null);
status.hidden = true;
submit.disabled = true;
submit.textContent = form.dataset.sending;
try {
const response = await fetch(form.action, {
method: 'POST',
headers: { Accept: 'application/json' },
body: new URLSearchParams(new FormData(form)),
});
const data = await response.json();
if (data.ok) {
const done = document.createElement('p');
done.className = 'form-status form-status--ok';
done.setAttribute('role', 'status');
done.tabIndex = -1;
done.textContent = data.message;
form.replaceWith(done);
done.focus();
return;
}
for (const [name, message] of Object.entries(data.errors ?? {})) setFieldError(name, message);
showStatus(data.message, 'error');
form.querySelector('[aria-invalid="true"]')?.focus();
} catch {
showStatus(form.dataset.failed, 'error');
} finally {
submit.disabled = false;
submit.innerHTML = submitLabel;
}
});
}
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// Portfolio tag filter. The chips are plain links (?tag=...), the server filters too,
// so this only makes it instant.
export function initFilter(nav) {
const list = document.querySelector('[data-filter-list]');
const empty = document.querySelector('[data-filter-empty]');
if (!list) return;
const items = [...list.children];
const reducedMotion = matchMedia('(prefers-reduced-motion: reduce)');
function apply(tag) {
for (const chip of nav.querySelectorAll('[data-tag]')) {
if (chip.dataset.tag === tag) chip.setAttribute('aria-current', 'true');
else chip.removeAttribute('aria-current');
}
let shown = 0;
for (const item of items) {
const match = !tag || item.dataset.tags.split(' ').includes(tag);
item.hidden = !match;
if (match) {
item.classList.add('is-visible');
shown++;
}
}
if (empty) empty.hidden = shown > 0;
}
nav.addEventListener('click', (event) => {
const chip = event.target.closest('[data-tag]');
if (!chip || event.button !== 0 || event.metaKey || event.ctrlKey || event.shiftKey || event.altKey) return;
event.preventDefault();
history.replaceState(null, '', chip.href);
if (!document.startViewTransition || reducedMotion.matches) {
apply(chip.dataset.tag);
return;
}
// names only for the duration of the transition, so they don't clash with page navigation
items.forEach((item, index) => (item.style.viewTransitionName = `project-${index}`));
const transition = document.startViewTransition(() => apply(chip.dataset.tag));
transition.finished.finally(() => {
for (const item of items) item.style.viewTransitionName = '';
});
});
}
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// The hero background: the five stripes of the genderfluid flag, bent by layered noise.
const vertexSource = `
attribute vec2 position;
void main() {
gl_Position = vec4(position, 0.0, 1.0);
}
`;
const fragmentSource = `
#ifdef GL_FRAGMENT_PRECISION_HIGH
precision highp float;
#else
precision mediump float;
#endif
uniform vec2 resolution;
uniform float time;
uniform vec2 pointer;
vec3 stripe(float i) {
if (i < 0.5) return vec3(1.0, 0.463, 0.643);
if (i < 1.5) return vec3(0.88, 0.85, 0.92);
if (i < 2.5) return vec3(0.753, 0.067, 0.843);
if (i < 3.5) return vec3(0.05, 0.04, 0.08);
return vec3(0.184, 0.235, 0.745);
}
float hash(vec2 p) {
return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453);
}
float noise(vec2 p) {
vec2 i = floor(p);
vec2 f = fract(p);
vec2 u = f * f * (3.0 - 2.0 * f);
return mix(
mix(hash(i), hash(i + vec2(1.0, 0.0)), u.x),
mix(hash(i + vec2(0.0, 1.0)), hash(i + vec2(1.0, 1.0)), u.x),
u.y
);
}
float fbm(vec2 p) {
float value = 0.0;
float amp = 0.5;
for (int i = 0; i < 4; i++) {
value += amp * noise(p);
p = p * 2.02 + vec2(1.7, 9.2);
amp *= 0.5;
}
return value;
}
void main() {
vec2 uv = gl_FragCoord.xy / resolution;
vec2 p = uv * vec2(resolution.x / resolution.y, 1.0);
float t = time * 0.035;
vec2 q = vec2(fbm(p * 0.9 + vec2(0.0, t)), fbm(p * 0.9 + vec2(5.2, -t)));
vec2 r = vec2(
fbm(p * 0.8 + 2.2 * q + vec2(1.7, 9.2) + t * 0.6),
fbm(p * 0.8 + 2.2 * q + vec2(8.3, 2.8) - t * 0.4)
);
float d = distance(uv, pointer);
float bend = 0.1 * exp(-d * d * 14.0);
float y = uv.y + (r.y - 0.5) * 0.9 + (q.x - 0.5) * 0.4 + bend;
float s = clamp(1.0 - y, 0.0, 0.9999) * 5.0;
float i = floor(s);
float f = fract(s);
vec3 col = mix(stripe(i), stripe(min(i + 1.0, 4.0)), smoothstep(0.3, 1.0, f));
col *= 0.55 + 0.45 * smoothstep(0.15, 0.85, r.x);
col = mix(vec3(0.047, 0.039, 0.071), col, 0.8);
gl_FragColor = vec4(col, 1.0);
}
`;
function compile(gl, type, source) {
const shader = gl.createShader(type);
gl.shaderSource(shader, source);
gl.compileShader(shader);
if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
console.warn(gl.getShaderInfoLog(shader));
return null;
}
return shader;
}
export function initFluid(canvas) {
const gl = canvas.getContext('webgl', { antialias: false, depth: false, powerPreference: 'low-power' });
if (!gl) return;
const vertex = compile(gl, gl.VERTEX_SHADER, vertexSource);
const fragment = compile(gl, gl.FRAGMENT_SHADER, fragmentSource);
if (!vertex || !fragment) return;
const program = gl.createProgram();
gl.attachShader(program, vertex);
gl.attachShader(program, fragment);
gl.linkProgram(program);
if (!gl.getProgramParameter(program, gl.LINK_STATUS)) return;
gl.useProgram(program);
// one triangle that covers the whole viewport
gl.bindBuffer(gl.ARRAY_BUFFER, gl.createBuffer());
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([-1, -1, 3, -1, -1, 3]), gl.STATIC_DRAW);
const position = gl.getAttribLocation(program, 'position');
gl.enableVertexAttribArray(position);
gl.vertexAttribPointer(position, 2, gl.FLOAT, false, 0, 0);
const uniforms = {
resolution: gl.getUniformLocation(program, 'resolution'),
time: gl.getUniformLocation(program, 'time'),
pointer: gl.getUniformLocation(program, 'pointer'),
};
const reducedMotion = matchMedia('(prefers-reduced-motion: reduce)');
const finePointer = matchMedia('(pointer: fine)').matches;
// The noise is soft anyway, rendering at a fraction of the size is barely visible and saves a lot
const scale = Math.min(devicePixelRatio || 1, 2) * (finePointer ? 0.5 : 0.35);
const offset = Math.random() * 200;
const pointer = { x: 0.7, y: 0.6, targetX: 0.7, targetY: 0.6 };
let visible = true;
let frame = 0;
let start = performance.now();
function resize() {
const width = Math.max(1, Math.round(canvas.clientWidth * scale));
const height = Math.max(1, Math.round(canvas.clientHeight * scale));
if (canvas.width !== width || canvas.height !== height) {
canvas.width = width;
canvas.height = height;
gl.viewport(0, 0, width, height);
}
}
function draw(now) {
resize();
pointer.x += (pointer.targetX - pointer.x) * 0.04;
pointer.y += (pointer.targetY - pointer.y) * 0.04;
gl.uniform2f(uniforms.resolution, canvas.width, canvas.height);
gl.uniform1f(uniforms.time, offset + (now - start) / 1000);
gl.uniform2f(uniforms.pointer, pointer.x, pointer.y);
gl.drawArrays(gl.TRIANGLES, 0, 3);
}
const animated = () => !reducedMotion.matches;
function loop(now) {
frame = 0;
if (!visible || document.hidden || !animated()) return;
draw(now);
frame = requestAnimationFrame(loop);
}
function play() {
if (!frame && visible && !document.hidden && animated()) frame = requestAnimationFrame(loop);
}
draw(start);
canvas.classList.add('is-ready');
new ResizeObserver(() => {
if (!animated()) draw(start);
}).observe(canvas);
new IntersectionObserver(([entry]) => {
visible = entry.isIntersecting;
play();
}).observe(canvas);
document.addEventListener('visibilitychange', play);
reducedMotion.addEventListener('change', () => {
start = performance.now();
play();
});
if (finePointer) {
addEventListener(
'pointermove',
(event) => {
const rect = canvas.getBoundingClientRect();
pointer.targetX = (event.clientX - rect.left) / rect.width;
pointer.targetY = 1 - (event.clientY - rect.top) / rect.height;
},
{ passive: true },
);
}
play();
}
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const paths = {
close: 'M6 6l12 12M18 6 6 18',
prev: 'M15 5l-7 7 7 7',
next: 'M9 5l7 7-7 7',
};
function button(className, name, label) {
const element = document.createElement('button');
element.type = 'button';
element.className = `lightbox__btn ${className}`;
element.setAttribute('aria-label', label);
element.innerHTML = `<svg class="icon" viewBox="0 0 24 24" aria-hidden="true"><path d="${paths[name]}"/></svg>`;
return element;
}
export function initLightbox(gallery) {
const links = [...gallery.querySelectorAll('.gallery__link')];
if (!links.length || typeof HTMLDialogElement !== 'function') return;
const { labelPrev, labelNext, labelClose } = gallery.dataset;
const dialog = document.createElement('dialog');
dialog.className = 'lightbox';
const figure = document.createElement('figure');
figure.className = 'lightbox__figure';
const image = document.createElement('img');
image.className = 'lightbox__img';
image.decoding = 'async';
figure.append(image);
const count = document.createElement('p');
count.className = 'lightbox__count';
const close = button('lightbox__close', 'close', labelClose);
const prev = button('lightbox__prev', 'prev', labelPrev);
const next = button('lightbox__next', 'next', labelNext);
dialog.append(figure, count, close, prev, next);
document.body.append(dialog);
if (links.length < 2) {
prev.hidden = true;
next.hidden = true;
count.hidden = true;
}
let current = 0;
function show(index) {
current = (index + links.length) % links.length;
const link = links[current];
image.src = link.dataset.full || link.href;
image.width = Number(link.dataset.width) || 0;
image.height = Number(link.dataset.height) || 0;
image.alt = link.querySelector('img')?.alt ?? '';
count.textContent = `${current + 1} / ${links.length}`;
}
function open(index) {
show(index);
dialog.showModal();
document.documentElement.classList.add('lightbox-open');
}
links.forEach((link, index) => {
link.addEventListener('click', (event) => {
if (event.metaKey || event.ctrlKey || event.shiftKey) return;
event.preventDefault();
open(index);
});
});
dialog.addEventListener('close', () => {
document.documentElement.classList.remove('lightbox-open');
links[current].focus();
});
close.addEventListener('click', () => dialog.close());
prev.addEventListener('click', () => show(current - 1));
next.addEventListener('click', () => show(current + 1));
// a click on the dark area around the image closes it
figure.addEventListener('click', (event) => {
if (event.target === figure) dialog.close();
});
dialog.addEventListener('keydown', (event) => {
if (event.key === 'ArrowLeft') show(current - 1);
if (event.key === 'ArrowRight') show(current + 1);
});
let startX = null;
figure.addEventListener('pointerdown', (event) => {
if (event.pointerType !== 'mouse') startX = event.clientX;
});
figure.addEventListener('pointerup', (event) => {
if (startX === null) return;
const distance = event.clientX - startX;
startX = null;
if (Math.abs(distance) > 50 && links.length > 1) show(current + (distance < 0 ? 1 : -1));
});
figure.addEventListener('pointercancel', () => (startX = null));
}
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import { initContactForm } from './contact.js';
import { initFilter } from './filter.js';
import { initFluid } from './fluid.js';
import { initLightbox } from './lightbox.js';
import { initNav } from './nav.js';
import { initPointerEffects } from './pointer.js';
import { initReveal, initTimeline } from './reveal.js';
import { initCoverTransitions } from './transitions.js';
import { initVideos } from './video.js';
initNav();
initReveal();
initTimeline();
initPointerEffects();
initCoverTransitions();
initVideos();
const canvas = document.querySelector('[data-fluid]');
if (canvas) initFluid(canvas);
const filter = document.querySelector('[data-filter]');
if (filter) initFilter(filter);
for (const gallery of document.querySelectorAll('[data-gallery]')) initLightbox(gallery);
const form = document.querySelector('[data-contact-form]');
if (form) initContactForm(form);
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export function initNav() {
const header = document.querySelector('[data-header]');
if (!header) return;
const root = document.documentElement;
const toggle = header.querySelector('[data-menu-toggle]');
const nav = header.querySelector('[data-nav]');
const label = toggle.querySelector('.menu-toggle__label');
const outside = [document.querySelector('main'), document.querySelector('.site-footer')];
let lastY = scrollY;
let ticking = false;
function onScroll() {
const y = scrollY;
header.classList.toggle('is-scrolled', y > 24);
if (!root.classList.contains('menu-open')) {
// hide while scrolling down, come back as soon as the user scrolls up
if (y > lastY + 4 && y > 240) header.classList.add('is-hidden');
else if (y < lastY - 4 || y <= 240) header.classList.remove('is-hidden');
}
lastY = y;
ticking = false;
}
addEventListener(
'scroll',
() => {
if (!ticking) requestAnimationFrame(onScroll);
ticking = true;
},
{ passive: true },
);
onScroll();
header.addEventListener('focusin', () => header.classList.remove('is-hidden'));
function setOpen(open) {
toggle.setAttribute('aria-expanded', String(open));
root.classList.toggle('menu-open', open);
label.textContent = open ? label.dataset.labelClose : label.dataset.labelOpen;
for (const element of outside) if (element) element.inert = open;
if (open) header.classList.remove('is-hidden');
}
toggle.addEventListener('click', () => setOpen(toggle.getAttribute('aria-expanded') !== 'true'));
nav.addEventListener('click', (event) => {
if (event.target.closest('a')) setOpen(false);
});
document.addEventListener('keydown', (event) => {
if (event.key === 'Escape' && root.classList.contains('menu-open')) {
setOpen(false);
toggle.focus();
}
});
matchMedia('(min-width: 48em)').addEventListener('change', (event) => {
if (event.matches) setOpen(false);
});
}
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// Mouse-only effects: border glow that follows the cursor and buttons that lean towards it
export function initPointerEffects() {
if (!matchMedia('(hover: hover) and (pointer: fine)').matches) return;
document.addEventListener(
'pointermove',
(event) => {
const element = event.target.closest?.('[data-glow]');
if (!element) return;
const rect = element.getBoundingClientRect();
element.style.setProperty('--mx', `${event.clientX - rect.left}px`);
element.style.setProperty('--my', `${event.clientY - rect.top}px`);
},
{ passive: true },
);
if (matchMedia('(prefers-reduced-motion: reduce)').matches) return;
for (const element of document.querySelectorAll('[data-magnetic]')) {
element.addEventListener('pointermove', (event) => {
const rect = element.getBoundingClientRect();
const x = (event.clientX - rect.left - rect.width / 2) * 0.2;
const y = (event.clientY - rect.top - rect.height / 2) * 0.35;
element.style.translate = `${x.toFixed(1)}px ${y.toFixed(1)}px`;
});
element.addEventListener('pointerleave', () => {
element.style.translate = '';
});
}
}
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export function initReveal() {
const items = document.querySelectorAll('[data-reveal]');
if (!('IntersectionObserver' in window)) {
for (const item of items) item.classList.add('is-visible');
return;
}
const groups = new Map();
const observer = new IntersectionObserver(
(entries) => {
// things that come into view together get a small stagger
let index = 0;
for (const entry of entries) {
if (!entry.isIntersecting) continue;
for (const item of groups.get(entry.target)) {
item.style.setProperty('--delay', `${Math.min(index++ * 90, 450)}ms`);
item.classList.add('is-visible');
}
observer.unobserve(entry.target);
}
},
{ rootMargin: '0px 0px -6% 0px' },
);
for (const item of items) {
// Chrome applies the element's own clip-path, so a fully clipped heading never
// counts as intersecting. Watch the parent for those instead.
const target = item.dataset.reveal === 'mask' ? item.parentElement : item;
if (!groups.has(target)) groups.set(target, []);
groups.get(target).push(item);
observer.observe(target);
}
}
// Fallback for browsers without scroll-driven animations
export function initTimeline() {
const timeline = document.querySelector('[data-timeline]');
if (!timeline || CSS.supports('animation-timeline: view()')) return;
if (matchMedia('(prefers-reduced-motion: reduce)').matches) return;
let ticking = false;
const update = () => {
const rect = timeline.getBoundingClientRect();
const progress = (innerHeight * 0.75 - rect.top) / rect.height;
timeline.style.setProperty('--progress', Math.min(1, Math.max(0, progress)).toFixed(3));
ticking = false;
};
addEventListener(
'scroll',
() => {
if (!ticking) requestAnimationFrame(update);
ticking = true;
},
{ passive: true },
);
update();
}
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// Cover image morphs into the project page (cross-document view transition)
export function initCoverTransitions() {
const clear = () => {
for (const img of document.querySelectorAll('.card__img')) img.style.viewTransitionName = '';
};
document.addEventListener('click', (event) => {
const link = event.target.closest('[data-cover-link]');
if (!link || event.metaKey || event.ctrlKey || event.shiftKey) return;
clear();
const img = link.querySelector('.card__img');
if (img) img.style.viewTransitionName = 'project-cover';
});
// coming back via bfcache would otherwise leave the name on the old card
addEventListener('pageshow', clear);
}
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// YouTube is only contacted after a click, until then it's just a link with a poster
export function initVideos() {
for (const box of document.querySelectorAll('[data-youtube]')) {
const play = box.querySelector('[data-video-play]');
play?.addEventListener('click', (event) => {
if (event.metaKey || event.ctrlKey || event.shiftKey) return;
event.preventDefault();
const iframe = document.createElement('iframe');
iframe.src = `https://www.youtube-nocookie.com/embed/${encodeURIComponent(box.dataset.youtube)}?autoplay=1&rel=0`;
iframe.title = box.dataset.title || 'YouTube';
iframe.allow = 'accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share';
iframe.allowFullscreen = true;
// YouTube refuses to play embeds without a referrer, helmet sets no-referrer for the page
iframe.referrerPolicy = 'strict-origin-when-cross-origin';
box.replaceChildren(iframe);
iframe.focus();
});
}
}