Badge

<div class="kodza-badge-row">
  <span class="kodza-badge">Beta</span>
  <span class="kodza-badge kodza-badge--solid">New</span>
  <span class="kodza-badge kodza-badge--live">Live</span>
  <span class="kodza-badge kodza-badge--mono">v2.0.1</span>
  <span class="kodza-badge kodza-badge--count">Inbox <span class="kodza-badge__count" data-count="3">3</span></span>
</div>

<div class="kodza-badge-list" role="list" aria-label="Active filters">
  <span class="kodza-badge kodza-badge--tag" role="listitem">flexbox<button class="kodza-badge__remove" type="button" aria-label="Remove flexbox"><svg viewBox="0 0 12 12" aria-hidden="true"><path d="M3.5 3.5l5 5M8.5 3.5l-5 5" /></svg></button></span>
  <span class="kodza-badge kodza-badge--tag" role="listitem">grid<button class="kodza-badge__remove" type="button" aria-label="Remove grid"><svg viewBox="0 0 12 12" aria-hidden="true"><path d="M3.5 3.5l5 5M8.5 3.5l-5 5" /></svg></button></span>
  <span class="kodza-badge kodza-badge--tag" role="listitem">no dependencies<button class="kodza-badge__remove" type="button" aria-label="Remove no dependencies"><svg viewBox="0 0 12 12" aria-hidden="true"><path d="M3.5 3.5l5 5M8.5 3.5l-5 5" /></svg></button></span>
  <span class="kodza-badge kodza-badge--tag" role="listitem">dark mode<button class="kodza-badge__remove" type="button" aria-label="Remove dark mode"><svg viewBox="0 0 12 12" aria-hidden="true"><path d="M3.5 3.5l5 5M8.5 3.5l-5 5" /></svg></button></span>
  <span class="kodza-badge kodza-badge--tag" role="listitem">vanilla JS<button class="kodza-badge__remove" type="button" aria-label="Remove vanilla JS"><svg viewBox="0 0 12 12" aria-hidden="true"><path d="M3.5 3.5l5 5M8.5 3.5l-5 5" /></svg></button></span>
</div>

/* Kodza License: free to use, client work included. Not to resell or redistribute, ported or not: https://kodza.dev/docs/#print-license */
/* Kodza — Badge
   Small labels: soft (default), --solid, --live (a dot that breathes), --mono (a version, a
   hash) and --count, whose number rolls when data-count changes. Tags (--tag) in a
   .kodza-badge-list can be removed: the tag shrinks away and its neighbours glide to their new
   place, across lines too. Monochrome: no color has to carry a meaning.
   Everything is tuned with the --kz-badge-* variables. */
.kodza-badge-row,
.kodza-badge-list {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.kodza-badge {
  --kz-badge-fg: #0a0a0a;
  --kz-badge-soft: rgba(10, 10, 10, 0.07);
  --kz-badge-line: rgba(10, 10, 10, 0.16);
  --kz-badge-ink: #0a0a0a;
  --kz-badge-on-ink: #ffffff;
  --kz-badge-ease: cubic-bezier(0.22, 1, 0.36, 1);

  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--kz-badge-soft);
  color: var(--kz-badge-fg);
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}

.kodza-badge--solid {
  background: var(--kz-badge-ink);
  color: var(--kz-badge-on-ink);
}

.kodza-badge--mono {
  background: none;
  box-shadow: inset 0 0 0 1px var(--kz-badge-line);
  font-family: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  font-weight: 400;
}

/* Live: a dot, and a ring that leaves it now and then */
.kodza-badge--live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0 var(--kz-badge-line);
  animation: kodza-badge-live 1.8s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}

@keyframes kodza-badge-live {
  0% {
    box-shadow: 0 0 0 0 var(--kz-badge-fg);
  }
  70%,
  100% {
    box-shadow: 0 0 0 7px transparent;
  }
}

/* Count: the number sits in its own window and rolls */
.kodza-badge--count {
  padding-right: 4px;
}

.kodza-badge__count {
  display: inline-grid;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  overflow: hidden;
  box-sizing: border-box;
  border-radius: 999px;
  background: var(--kz-badge-ink);
  color: var(--kz-badge-on-ink);
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: 18px;
  text-align: center;
}

.kodza-badge__count > span {
  grid-area: 1 / 1;
}

/* Tag: a label you can take away */
.kodza-badge--tag {
  height: 30px;
  padding: 0 4px 0 12px;
  font-size: 13px;
}

.kodza-badge__remove {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: none;
  color: inherit;
  opacity: 0.6;
  cursor: pointer;
  transition: background-color 0.2s ease, opacity 0.2s ease;
}

.kodza-badge__remove:hover {
  background: var(--kz-badge-soft);
  opacity: 1;
}

.kodza-badge__remove:focus-visible {
  outline: 2px solid var(--kz-badge-fg);
  outline-offset: 1px;
  opacity: 1;
}

.kodza-badge__remove svg {
  width: 12px;
  height: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
}

@media (prefers-reduced-motion: reduce) {
  .kodza-badge--live::before {
    animation: none;
  }

  .kodza-badge__remove {
    transition-duration: 0.01ms !important;
  }
}

/* Theming example — on a dark background:
.dark-section .kodza-badge {
  --kz-badge-fg: #f2f2f0;
  --kz-badge-soft: rgba(255, 255, 255, 0.1);
  --kz-badge-line: rgba(255, 255, 255, 0.22);
  --kz-badge-ink: #f2f2f0;
  --kz-badge-on-ink: #0a0a0a;
}
*/

/* kodza-guard f7b047da951c — generated by Kodza, do not edit.
   Theme guard: keeps a site's own CSS (WordPress themes, Bootstrap, CSS resets…) off this
   component. :not(#_) is always true and weighs as much as an id, so these lines win over
   theme rules made of classes and tags. Customise the component through its --kz-* variables. */

/* What the browser gives, where the component sets it only in some states: at the lowest weight, so its own rules below put it back */

:where(.kodza-badge__remove):not(#_) {
  outline: revert;
  outline-offset: revert;
}

/* What the browser gives, on everything the component leaves to it */

.kodza-badge-list:not(#_),
.kodza-badge:not(#_),
.kodza-badge__count span:where(:not([class*="kodza-"])):not(#_) {
  box-sizing: revert;
}

.kodza-badge__remove:not(#_) {
  margin: revert;
  text-decoration: revert;
  list-style: revert;
  box-sizing: revert;
  float: revert;
  position: revert;
  box-shadow: revert;
  appearance: revert;
  max-width: revert;
  max-height: revert;
  font-family: revert;
  font-size: revert;
  font-weight: revert;
  font-style: revert;
  line-height: revert;
  letter-spacing: revert;
  text-transform: revert;
  text-underline-offset: revert;
  text-align: revert;
  text-indent: revert;
  text-shadow: revert;
  vertical-align: revert;
  white-space: revert;
  min-height: revert;
}

.kodza-badge__remove svg:where(:not([class*="kodza-"])):not(#_) {
  border: revert;
  margin: revert;
  padding: revert;
  border-radius: revert;
  outline: revert;
  text-decoration: revert;
  transition: revert;
  list-style: revert;
  box-sizing: revert;
  float: revert;
  position: revert;
  background-color: revert;
  background-image: revert;
  box-shadow: revert;
  outline-offset: revert;
  appearance: revert;
  max-width: revert;
  max-height: revert;
  color: revert;
  font-family: revert;
  font-size: revert;
  font-weight: revert;
  font-style: revert;
  line-height: revert;
  letter-spacing: revert;
  text-transform: revert;
  text-underline-offset: revert;
  text-align: revert;
  text-indent: revert;
  text-shadow: revert;
  vertical-align: revert;
}

.kodza-badge__remove svg:where(:not([class*="kodza-"])):not(#_):where(:not([hidden])) {
  display: revert;
}

.kodza-badge__remove svg:where(:not([class*="kodza-"])):not(#_):where([hidden]) {
  display: none;
}

/* The component's own rules, one step stronger: real buttons and fields, what it sets on tags themes style (links, lists, headings, images…), and the root width (a theme may narrow it, never widen it) */

.kodza-badge__remove:not(#_) {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: none;
  color: inherit;
  opacity: 0.6;
  cursor: pointer;
  transition: background-color 0.2s ease, opacity 0.2s ease;
}

.kodza-badge__remove:hover:not(#_) {
  background: var(--kz-badge-soft);
  opacity: 1;
}

.kodza-badge__remove:focus-visible:not(#_) {
  outline: 2px solid var(--kz-badge-fg);
  outline-offset: 1px;
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .kodza-badge__remove:not(#_) {
    transition-duration: 0.01ms !important;
  }
}

// Kodza License: free to use, client work included. Not to resell or redistribute, ported or not: https://kodza.dev/docs/#print-license
// Kodza — Badge
// Rolls a count to its new number when data-count changes, and removes tags: the tag shrinks
// away from its place while its neighbours glide to theirs (measured before and after, in the
// list's own pixels). A removed tag sends "kodza:badge-remove"; focus goes to the next one.
(() => {
  const SELECTOR = '.kodza-badge__count, .kodza-badge-list';
  const reduceMotion = window.matchMedia('(prefers-reduced-motion: reduce)').matches;
  const ease = 'cubic-bezier(0.22, 1, 0.36, 1)';

  // A count: rolls to its new number
  function mountCount(count, signal) {
    let current = count.dataset.count || count.textContent.trim();
    count.replaceChildren(Object.assign(document.createElement('span'), { textContent: current }));
    const observer = new MutationObserver(() => {
      const next = count.dataset.count;
      if (next === current) return;
      const up = parseFloat(next) >= parseFloat(current);
      current = next;
      const old = count.lastElementChild;
      const span = Object.assign(document.createElement('span'), { textContent: next });
      count.append(span);
      if (reduceMotion) return old.remove();
      const timing = { duration: 420, easing: ease };
      old.animate([{ transform: 'none' }, { transform: `translateY(${up ? -110 : 110}%)` }], { ...timing, fill: 'forwards' }).finished.then(() => old.remove());
      span.animate([{ transform: `translateY(${up ? 110 : -110}%)` }, { transform: 'none' }], timing);
    });
    observer.observe(count, { attributes: true, attributeFilter: ['data-count'] });
    signal.addEventListener('abort', () => observer.disconnect());
  }

  // A list of tags: removes them
  function mountList(list, signal) {
    list.addEventListener('click', (event) => {
      const button = event.target.closest('.kodza-badge__remove');
      const tag = button?.closest('.kodza-badge');
      if (!tag || tag.classList.contains('is-leaving')) return;
      const tags = [...list.querySelectorAll('.kodza-badge:not(.is-leaving)')];
      const next = tags[tags.indexOf(tag) + 1] || tags[tags.indexOf(tag) - 1];
      const keyboard = button.matches(':focus-visible');
      const done = () => {
        if (signal.aborted) return;
        // Back to a plain tag (while still in the page, where its animations are found), so it
        // can be put back
        tag.getAnimations().forEach((animation) => animation.cancel());
        tag.remove();
        tag.classList.remove('is-leaving');
        Object.assign(tag.style, { position: '', left: '', top: '', margin: '', pointerEvents: '' });
        list.dispatchEvent(new CustomEvent('kodza:badge-remove', { bubbles: true, detail: { tag } }));
      };
      if (keyboard) next?.querySelector('.kodza-badge__remove')?.focus();
      if (reduceMotion) return done();

      // The tag leaves the flow where it stands; the others glide to their new place
      const k = list.getBoundingClientRect().width / list.offsetWidth || 1;
      const others = tags.filter((other) => other !== tag);
      const before = new Map(others.map((other) => [other, other.getBoundingClientRect()]));
      const box = tag.getBoundingClientRect();
      const origin = list.getBoundingClientRect();
      tag.classList.add('is-leaving');
      Object.assign(tag.style, { position: 'absolute', left: `${(box.left - origin.left) / k}px`, top: `${(box.top - origin.top) / k}px`, margin: '0', pointerEvents: 'none' });
      others.forEach((other) => {
        const was = before.get(other);
        const now = other.getBoundingClientRect();
        const dx = (was.left - now.left) / k;
        const dy = (was.top - now.top) / k;
        if (dx || dy) other.animate([{ transform: `translate(${dx}px, ${dy}px)` }, { transform: 'none' }], { duration: 560, delay: 60, easing: ease, fill: 'backwards' });
      });
      tag.animate([
        { opacity: 1, transform: 'none' },
        { opacity: 0, transform: 'scale(0.6)' },
      ], { duration: 260, easing: 'cubic-bezier(0.4, 0, 1, 1)', fill: 'forwards' }).onfinish = done;
    }, { signal });
  }

  // One instance. Everything it starts is tied to `signal`, so kodza:destroy stops it all
  function mount(root, signal) {
    if (root.classList.contains('kodza-badge-list')) mountList(root, signal);
    else mountCount(root, signal);
  }

  // Kodza lifecycle, the same in every component: `kodza:init` starts the instances inside
  // event.detail.root (the whole page by default), `kodza:destroy` stops them and puts their
  // markup back. For themes and apps that swap content without a page load.
  const instances = new WeakMap();
  const find = (scope = document) => [scope, ...scope.querySelectorAll(SELECTOR)].filter((el) => el.matches?.(SELECTOR));
  const init = (scope) => find(scope).forEach((root) => {
    if (root.classList.contains('is-ready')) return; // already running, maybe from another copy of this script
    const controller = new AbortController();
    instances.set(root, { controller, html: root.innerHTML, attrs: [...root.attributes].map((a) => [a.name, a.value]) });
    mount(root, controller.signal);
    root.classList.add('is-ready');
  });
  const destroy = (scope) => find(scope).forEach((root) => {
    const instance = instances.get(root);
    if (!instance) return;
    instances.delete(root);
    instance.controller.abort();
    [...root.attributes].forEach((a) => root.removeAttribute(a.name));
    instance.attrs.forEach(([name, value]) => root.setAttribute(name, value));
    root.innerHTML = instance.html;
  });
  document.addEventListener('kodza:init', (event) => init(event.detail?.root));
  document.addEventListener('kodza:destroy', (event) => destroy(event.detail?.root));
  init();
  // Loaded in <head>, the script runs before the markup exists: once more when it is parsed
  if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', () => init(), { once: true });
})();

'use client';
// Kodza — Badge, for React. From https://kodza.dev/components/badge/
// Kodza License: free to use, client work included. Not to resell or redistribute, ported or not: https://kodza.dev/docs/#print-license
// Next to this file: badge.css and badge.js, the component's CSS and JS from Kodza, as they are.
// Yours to edit: the markup is plain JSX below.
// The script changes this markup once React has rendered it (it adds layers, splits text, moves
// nodes), so React must not patch it afterwards. When a prop changes, the key gives React a fresh
// element: kodza:destroy stops the script on the old one, kodza:init starts it on the new one.
import { useRef, useEffect, type ComponentPropsWithoutRef, type ComponentRef } from 'react';
import './badge.css';

export type BadgeProps = Omit<ComponentPropsWithoutRef<'div'>, "children" | "onBadgeRemove"> & {
  /** "kodza:badge-remove", fired by the script (bubbles from the root) */
  onBadgeRemove?: (event: CustomEvent) => void;
  className?: string;
};

export function Badge({ onBadgeRemove, className, style, ...rest }: BadgeProps) {
  const ref = useRef<ComponentRef<'div'>>(null);
  const classes = ["kodza-badge-list", className].filter(Boolean).join(' ');
  // Everything the markup is made of: when it changes, React gets a fresh element (see the top)
  const key = JSON.stringify([classes, style, rest]);

  // Starts the script on this element once React has rendered it, stops it when it goes
  useEffect(() => {
    const root = ref.current;
    let live = true;
    // @ts-ignore: a plain script, no types to find
    import('./badge.js').then(() => {
      if (live) document.dispatchEvent(new CustomEvent('kodza:init', { detail: { root } }));
    });
    return () => {
      live = false;
      document.dispatchEvent(new CustomEvent('kodza:destroy', { detail: { root } }));
    };
  }, [key]);

  useEffect(() => {
    const root = ref.current;
    if (!root || !onBadgeRemove) return;
    const listener = (event: Event) => onBadgeRemove(event as CustomEvent);
    root.addEventListener("kodza:badge-remove", listener);
    return () => root.removeEventListener("kodza:badge-remove", listener);
  }, [onBadgeRemove, key]);

  return (
    <div role="list" aria-label="Active filters" key={key} {...rest} className={classes} style={style} ref={ref}>
      <span className="kodza-badge kodza-badge--tag" role="listitem">flexbox<button className="kodza-badge__remove" type="button" aria-label="Remove flexbox"> <svg viewBox="0 0 12 12" aria-hidden="true"> <path d="M3.5 3.5l5 5M8.5 3.5l-5 5" /> </svg> </button></span>
      {' '}
      <span className="kodza-badge kodza-badge--tag" role="listitem">grid<button className="kodza-badge__remove" type="button" aria-label="Remove grid"> <svg viewBox="0 0 12 12" aria-hidden="true"> <path d="M3.5 3.5l5 5M8.5 3.5l-5 5" /> </svg> </button></span>
      {' '}
      <span className="kodza-badge kodza-badge--tag" role="listitem">no dependencies<button className="kodza-badge__remove" type="button" aria-label="Remove no dependencies"> <svg viewBox="0 0 12 12" aria-hidden="true"> <path d="M3.5 3.5l5 5M8.5 3.5l-5 5" /> </svg> </button></span>
      {' '}
      <span className="kodza-badge kodza-badge--tag" role="listitem">dark mode<button className="kodza-badge__remove" type="button" aria-label="Remove dark mode"> <svg viewBox="0 0 12 12" aria-hidden="true"> <path d="M3.5 3.5l5 5M8.5 3.5l-5 5" /> </svg> </button></span>
      {' '}
      <span className="kodza-badge kodza-badge--tag" role="listitem">vanilla JS<button className="kodza-badge__remove" type="button" aria-label="Remove vanilla JS"> <svg viewBox="0 0 12 12" aria-hidden="true"> <path d="M3.5 3.5l5 5M8.5 3.5l-5 5" /> </svg> </button></span>
    </div>
  );
}