The Component Showcase

This article renders every content component the blog offers, so each one can be seen live and its pattern copied. It is not documentation — it is a visual index.

Typography

Body copy is a paragraph. It carries strong emphasis for the load-bearing words, italic emphasis for a lighter touch, and inline code for identifiers, file names and anything typed verbatim.

Heading level two

Heading level three

Heading level four

Headings nest from level two (##) downward; level one is reserved for the article title.

Anchor

Badge

Blockquote

Almost before we knew it, we had left the ground.

Support callout

Callouts

Details/Summary

Lists

• First item
• Second item
• Third item

1. First step
2. Second step
3. Third step

• Parent item

  1. Nested first
  2. Nested second
• Another parent

  • Nested arrow one
  • Nested arrow two

Card

Buttons

Form components

Toggles

Slider

Select

Code Block

A fenced block with a title bar (copy button included) and highlighted lines:

console.log('hello world');
 
/**
 * Some comments
 */
function sayHi(name) {
  const message = `hi ${name}`;
  return message;
}

A changed line ends in // [!code ++] or // [!code --], and copying takes only the new code:

function greet(name: string) {
  return 'Hello ' + name + '!'; 
  return `Hello ${name}!`; 
}

variant="info", "warning" and "danger" are for logs and output, titled after their level unless given a title:

ready - started server on 0.0.0.0:3000, url: http://localhost:3000

Warning: Each child in a list should have a unique "key" prop.
    Check the render method of `PostList`.

TypeError: Cannot read properties of undefined (reading 'map')
    at MessageList (components/message-list.tsx:18:22)
    at renderWithHooks (react-dom.development.js:16305:18)

A block longer than 24 lines folds to its first 16:

type Easing = (t: number) => number;
 
export const linear: Easing = (t) => t;
 
export const easeInQuad: Easing = (t) => t * t;
 
export const easeOutQuad: Easing = (t) => t * (2 - t);
 
export const easeInOutQuad: Easing = (t) =>
  t < 0.5 ? 2 * t * t : -1 + (4 - 2 * t) * t;
 
export const easeInCubic: Easing = (t) => t ** 3;
 
export const easeOutCubic: Easing = (t) => 1 - (1 - t) ** 3;
 
export const easeInOutCubic: Easing = (t) =>
  t < 0.5 ? 4 * t ** 3 : 1 - (-2 * t + 2) ** 3 / 2;
 
export const easeOutBack: Easing = (t) => {
  const c1 = 1.70158;
  const c3 = c1 + 1;
  return 1 + c3 * (t - 1) ** 3 + c1 * (t - 1) ** 2;
};
 
export const easeOutElastic: Easing = (t) => {
  if (t === 0 || t === 1) return t;
  const c4 = (2 * Math.PI) / 3;
  return 2 ** (-10 * t) * Math.sin((t * 10 - 0.75) * c4) + 1;
};
 
// Runs an easing over a duration, calling back with each eased value.
export function animate(duration: number, ease: Easing, onFrame: (value: number) => void) {
  const start = performance.now();
  const tick = (now: number) => {
    const t = Math.min((now - start) / duration, 1);
    onFrame(ease(t));
    if (t < 1) requestAnimationFrame(tick);
  };
  requestAnimationFrame(tick);
}

Sandpack Code Block

Math Equations

Inline math flows in a sentence — Euler's identity — while a display equation centres on its own line and scrolls if it runs wide:

Images

Before / After Image

BeforeAfter

Slideshow

Use the Left and Right arrow keys to change images, and Enter to enlarge one.

Autoplay

Use the Left and Right arrow keys to change images, and Enter to enlarge one, and Space to pause or play.

Video

Tweet

A post on X, fetched at build and drawn in the site's own markup.

Charts

A figure that carries axes.

Geometric diagrams

SVG, drawn from maths a test can read.

Leaders, for names that cannot sit beside their subject.

A loupe.

A surface, in three dimensions.

Driven by time.

Rendered surfaces

A fragment shader, driven by its uniforms and by time.

Over an image.

Over a video.

Tables

GFM pipes, mapped onto the shadcn primitive.

Alignment comes from the delimiter row.

Past the measure, a table scrolls inside its own edge.

Dividers

Footnotes

A reference marks a spot ¹, and the list below resolves it.