opencode/packages/web/src/components/Lander.astro

---
import { Image } from 'astro:assets';
import config from "virtual:starlight/user-config";
import type { Props } from '@astrojs/starlight/props';

import CopyIcon from "../assets/lander/copy.svg";
import CheckIcon from "../assets/lander/check.svg";

const { data } = Astro.locals.starlightRoute.entry;
const { title = data.title, tagline, image, actions = [] } = data.hero || {};

const imageAttrs = {
    loading: 'eager' as const,
    decoding: 'async' as const,
    width: 400,
    alt: image?.alt || '',
};

const github = config.social.filter(s => s.icon === 'github')[0];

const command = "npm i -g";
const pkg = "opencode";

let darkImage: ImageMetadata | undefined;
let lightImage: ImageMetadata | undefined;
let rawHtml: string | undefined;
if (image) {
    if ('file' in image) {
        darkImage = image.file;
    } else if ('dark' in image) {
        darkImage = image.dark;
        lightImage = image.light;
    } else {
        rawHtml = image.html;
    }
}
---
<div class="hero">
    <section class="top">
      <div class="logo">
        <Image
          src={darkImage}
          {...imageAttrs}
          class:list={{ 'light:sl-hidden': Boolean(lightImage) }}
        />
        <Image src={lightImage} {...imageAttrs} class="dark:sl-hidden" />
      </div>
      <h1>The AI coding agent built for the terminal.</h1>
    </section>

    <section class="cta">
      <div class="col1">
        <a href="/docs">View the docs</a>
      </div>
      <div class="col2">
        <button class="command" data-command={`${command} ${pkg}`}>
          <code>{command}&nbsp;<span class="highlight">{pkg}</span></code>
          <span class="copy">
            <CopyIcon />
            <CheckIcon />
          </span>
        </button>
      </div>
      <div class="col3">
        <a href={github.href}>Star on GitHub</a>
      </div>
    </section>

    <section class="content">
      <ul>
      <li><b>Native TUI</b>: A native terminal UI for a smoother, snappier experience.</li>
        <li><b>LSP enabled</b>: Loads the right LSPs for your codebase. Helps the LLM make fewer mistakes.</li>
        <li><b>Multi-session</b>: Start multiple conversations in a project to have agents working in parallel.</li>
        <li><b>Use any model</b>: Supports all the models from OpenAI, Anthropic, Google, OpenRouter, and more.</li>
        <li><b>Change tracking</b>: View the file changes from the current conversation in the sidebar.</li>
        <li><b>Edit with Vim</b>: Use Vim as an external editor to compose longer messages.</li>
      </ul>
    </section>

    <section class="footer">
      <div class="col1">
        <span>Version: Beta</span>
      </div>
      <div class="col2">
        <span>Author: <a href="https://sst.dev">SST</a></span>
      </div>
    </section>
</div>

<style>
.hero {
  --padding: 3rem;
  --vertical-padding: 2rem;
  --heading-font-size: var(--sl-text-3xl);

  margin: 1rem;
  border: 2px solid var(--sl-color-white);
}
@media (max-width: 30rem) {
  .hero {
    --padding: 1rem;
    --vertical-padding: 1rem;
    --heading-font-size: var(--sl-text-2xl);

    margin: 0.5rem;
  }
}

section.top {
  padding: var(--padding);

  h1 {
    margin-top: calc(var(--vertical-padding) / 8);
    font-size: var(--heading-font-size);
    line-height: 1.25;
    text-transform: uppercase;
  }

  img {
    height: auto;
    width: clamp(200px, 70vw, 400px);
  }
}

section.cta {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  border-top: 2px solid var(--sl-color-white);

  & > div {
    flex: 1;
    line-height: 1.4;
    padding: calc(var(--padding) / 2) 0.5rem;
  }
  & > div:not(.col2) {
    text-align: center;
    text-transform: uppercase;
  }

  @media (max-width: 30rem) {
    & > div {
      padding-bottom: calc(var(--padding) / 2 + 4px);
    }
  }

  & > div + div {
    border-left: 2px solid var(--sl-color-white);
  }

  .command {
    all: unset;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    justify-content: center;
    cursor: pointer;
    width: 100%;

    code {
      color: var(--sl-color-text-secondary);
      font-size: 1.125rem;
    }
    code .highlight {
      color: var(--sl-color-text);
      font-weight: 500;
    }

    .copy {
      line-height: 1;
      padding: 0;
    }
    .copy svg {
      width: 1rem;
      height: 1rem;
      vertical-align: middle;
    }
    .copy svg:first-child {
      color: var(--sl-color-text-dimmed);
    }
    .copy svg:last-child {
      color: var(--sl-color-text);
      display: none;
    }
    &.success .copy {
      pointer-events: none;
    }
    &.success .copy svg:first-child {
      display: none;
    }
    &.success .copy svg:last-child {
      display: inline;
    }
  }
}

section.content {
  border-top: 2px solid var(--sl-color-white);
  padding: var(--padding);

  ul {
    padding-left: 1rem;

    li + li {
      margin-top: calc(var(--vertical-padding) / 2);
    }

    li b {
      text-transform: uppercase;
    }
  }
}

section.approach {
  border-top: 2px solid var(--sl-color-white);
  padding: var(--padding);

  p + p {
    margin-top: var(--vertical-padding);
  }
}

section.footer {
  border-top: 2px solid var(--sl-color-white);
  display: flex;
  flex-direction: row;

  & > div {
    flex: 1;
    text-align: center;
    text-transform: uppercase;
    padding: calc(var(--padding) / 2) 0.5rem;
  }

  & > div + div {
    border-left: 2px solid var(--sl-color-white);
  }
}
</style>

<style is:global>
:root[data-has-hero] {
  header.header {
    display: none;
  }
  .main-frame {
    padding-top: 0;

    .main-pane > main {
      padding: 0;
    }
  }
  main > .content-panel .sl-markdown-content {
    margin-top: 0;
  }
}
</style>

<script>
  const button = document.querySelector("button.command") as HTMLButtonElement;

  button?.addEventListener("click", () => {
    navigator.clipboard.writeText(button.dataset.command!);
    button.classList.toggle("success");
    setTimeout(() => {
      button.classList.toggle("success");
    }, 1500);
  });
</script>