# Timeline 1

> Header beside a ruled list of years (from Marbrook)

A shadcn/ui block from the [@cnippet-blocks](https://blocks.cnippet.dev/?utm_source=shadcn.exchange) registry, listed on [shadcn.exchange](https://shadcn.exchange/r/cnippet-blocks/timeline-1).

- Page, with a live preview: https://shadcn.exchange/r/cnippet-blocks/timeline-1
- Screenshot: https://shadcn.exchange/shot/cnippet-blocks/timeline-1/light.png
- Registry item: https://blocks.cnippet.dev/r/timeline-1.json
- Categories: timeline
- Listed: 2026-11-01, source last changed 2026-11-01

## Install

```bash
npx shadcn@latest add https://shadcn.exchange/r/cnippet-blocks/timeline-1.json
```

Run it in a project that has shadcn/ui set up. It adds the files below and installs what they depend on.

## Dependencies

- Registry items: `@cnippet/utils`

## Files

### `registry/default/sections/timeline-1/index.tsx`

```tsx
import { cn } from "@/lib/utils";

import type { Surface } from "../_types/common";
import type { TimelineContent } from "../_types/timeline";
import { defaultTimeline1Content } from "./data";
import { SectionHeader, surfaceClass, toneFor } from "./section-header";

/** Header in a narrow column beside a ruled list of years. */
export default function Timeline1({
  content = defaultTimeline1Content,
  surface = "muted",
}: {
  content?: TimelineContent;
  surface?: Surface;
}) {
  return (
    <section className={cn("py-20 sm:py-28", surfaceClass[surface])}>
      <div className="mx-auto max-w-7xl px-5 sm:px-8 lg:px-12">
        <div className="grid gap-12 lg:grid-cols-12 lg:gap-16">
          <div className="lg:col-span-4">
            <SectionHeader
              description={content.description}
              eyebrow={content.eyebrow}
              size="sm"
              title={content.title}
              tone={toneFor(surface)}
            />
          </div>

          {/* Rows sit on a `gap-px` parent whose background is the rule
              colour, so each one repaints the band's own surface. */}
          <ol className="grid gap-px overflow-hidden rounded-lg bg-border lg:col-span-8">
            {content.items.map((item) => (
              <li
                className={cn(
                  "group grid gap-4 p-8 transition-colors hover:bg-card sm:grid-cols-[8rem_1fr] sm:items-baseline lg:p-10",
                  surfaceClass[surface],
                )}
                key={item.year}
              >
                <span className="font-display text-4xl text-muted-foreground/40 transition-colors group-hover:text-secondary">
                  {item.year}
                </span>
                <p className="text-muted-foreground text-sm leading-relaxed">
                  {item.body}
                </p>
              </li>
            ))}
          </ol>
        </div>
      </div>
    </section>
  );
}
```

### `registry/default/sections/timeline-1/data.ts`

```ts
import type { TimelineContent } from "../_types/timeline";

export const defaultTimeline1Content: TimelineContent = {
  description:
    "Six dates that changed how the practice works. The gaps between them were mostly uneventful, which was the point.",
  eyebrow: "Thirty-one years",
  items: [
    {
      body: "Helena Marbrook opens one room above the chandlery on Rowan Street, with two instructions and a borrowed camera.",
      year: "1994",
    },
    {
      body: "The hundredth sale completes on Alder Row. The rule about never pricing a house unseen is written on the office wall, where it remains.",
      year: "1999",
    },
    {
      body: "The Northgate Heights office opens, bringing the hill and the architectural stock onto the books for the first time.",
      year: "2009",
    },
    {
      body: "Lettings begins with four flats for a single client. It is now 260 tenancies and a third of the practice.",
      year: "2015",
    },
    {
      body: "The quarterly market letter is published for the first time, because clients kept asking what the data actually said.",
      year: "2017",
    },
    {
      body: "Helena steps back. Nadia Ellery and Theo Marchetti take over a practice of twenty-four people and two offices.",
      year: "2021",
    },
  ],
  title: "A short history, honestly told",
};
```

### `registry/default/sections/timeline-1/section-header.tsx`

```tsx
import type React from "react";

import { cn } from "@/lib/utils";

import type { Surface } from "../_types/common";

/** The small uppercase label that opens most headers. */
export const eyebrowClass =
  "inline-flex items-center gap-2 font-medium text-[0.6875rem] uppercase tracking-[0.22em]";

export const surfaceClass: Record<Surface, string> = {
  default: "bg-background text-foreground",
  muted: "bg-muted text-foreground",
  primary: "bg-primary text-primary-foreground",
  secondary: "bg-secondary text-secondary-foreground",
};

/**
 * Which band the header sits on. `photo` keeps literal white, because
 * `--primary-foreground` inverts in dark mode and would be unreadable over a
 * photograph.
 */
export type SectionTone = "light" | "photo" | "primary" | "secondary";

export function toneFor(surface: Surface): SectionTone {
  if (surface === "primary") return "primary";
  if (surface === "secondary") return "secondary";
  return "light";
}

const toneClasses: Record<
  SectionTone,
  { eyebrow: string; heading: string; lede: string; tick: string }
> = {
  light: {
    eyebrow: "text-muted-foreground/70",
    heading: "text-primary",
    lede: "text-muted-foreground",
    tick: "bg-secondary",
  },
  photo: {
    eyebrow: "text-white/50",
    heading: "text-white",
    lede: "text-white/65",
    tick: "bg-secondary",
  },
  primary: {
    eyebrow: "text-primary-foreground/40",
    heading: "text-primary-foreground",
    lede: "text-primary-foreground/60",
    tick: "bg-secondary",
  },
  secondary: {
    eyebrow: "text-secondary-foreground/50",
    heading: "text-secondary-foreground",
    lede: "text-secondary-foreground/70",
    tick: "bg-primary",
  },
};

export function SectionHeader({
  action,
  actionAt = "sm",
  className,
  description,
  eyebrow,
  size = "default",
  title,
  tone = "light",
}: {
  /** Rendered beside the heading block once `actionAt` is reached. */
  action?: React.ReactNode;
  /** A text link fits from `sm`; a row of filter tabs needs `lg`. */
  actionAt?: "lg" | "sm";
  className?: string;
  description?: React.ReactNode;
  eyebrow: string;
  /** `sm` is the narrow-sidebar size used by 4/8 splits. */
  size?: "default" | "sm";
  title: React.ReactNode;
  tone?: SectionTone;
}): React.ReactElement {
  const tones = toneClasses[tone];

  return (
    <div
      className={cn(
        action && "flex flex-col gap-6",
        action &&
          (actionAt === "lg"
            ? "gap-8 lg:flex-row lg:items-end lg:justify-between"
            : "sm:flex-row sm:items-end sm:justify-between"),
        className,
      )}
    >
      <div className={cn(action && "max-w-xl")}>
        <p className={cn(eyebrowClass, tones.eyebrow)}>
          <span className={cn("size-1", tones.tick)} />
          {eyebrow}
        </p>

        <h2
          className={cn(
            "mt-5 font-display",
            tones.heading,
            size === "sm"
              ? "text-3xl leading-[1.1] sm:text-4xl"
              : "text-4xl leading-[1.05] sm:text-5xl",
          )}
        >
          {title}
        </h2>

        {description && (
          <p className={cn("mt-4 max-w-xl leading-relaxed", tones.lede)}>
            {description}
          </p>
        )}
      </div>

      {action}
    </div>
  );
}
```

### `registry/default/sections/_types/common.ts`

```ts
/**
 * Shapes shared by every token-based section. Each section ships this file
 * alongside its own category types, so installing several sections simply
 * rewrites the same file.
 */

/** Which band a section sits on. A style choice, never part of `content`. */
export type Surface = "default" | "muted" | "primary" | "secondary";

export type ImageAsset = {
  alt: string;
  src: string;
};

export type LinkAction = {
  href: string;
  label: string;
};

/** Eyebrow + heading + optional lede, the header most sections open with. */
export type SectionIntro = {
  description?: string;
  eyebrow: string;
  title: string;
};

/** A figure that counts up when it scrolls into view. */
export type Stat = {
  decimals?: number;
  label: string;
  prefix?: string;
  suffix?: string;
  value: number;
};

/** A figure that is displayed as written ("1,240+", "4.9/5"). */
export type Highlight = {
  label: string;
  value: string;
};

export type FormField = {
  label: string;
  name: string;
  /** Only for `type: "select"`. The first option is the default. */
  options?: string[];
  placeholder?: string;
  required?: boolean;
  /** `full` spans both columns of a two-column form. */
  span?: "full" | "half";
  type?: "email" | "select" | "tel" | "text" | "textarea";
};

export type FormContent = {
  description?: string;
  fields: FormField[];
  note?: string;
  submitLabel: string;
  success: {
    description: string;
    resetLabel: string;
    title: string;
  };
  title: string;
};
```

### `registry/default/sections/_types/timeline.ts`

```ts
import type { SectionIntro } from "./common";

export type TimelineContent = SectionIntro & {
  items: {
    body: string;
    year: string;
  }[];
};
```