1
2class UserService extends BaseService {
3 static DEFAULT_TIMEOUT = 3000;
4
5 constructor(apiClient) {
6 super();
7 this.apiClient = apiClient;
8 this.cache = new Map();
9 }
10
11 async fetchProfile(userId) {
12 if (this.cache.has(userId)) {
13 return this.cache.get(userId);
14 }
15
16
17 const response = await this.apiClient.get(`/users/${userId}`);
18 const isValid = response.status === 200 && response.body !== null;
19
20 if (!isValid) {
21 throw new Error("Failed to load profile\n");
22 }
23
24 return {
25 id: userId,
26 name: response.body.name,
27 verified: true,
28 lastSeen: null,
29 tags: [/^admin-/, /^beta-/],
30 };
31 }
32}
33
34const MAX_RETRIES = 5;
1{
2 "endpoint": "https://api.example.com/v1",
3 "retries": 3,
4 "timeout": 3000,
5 "verbose": false
6}
1
2<!DOCTYPE html>
3<html lang="en">
4<head>
5 <meta charset="UTF-8">
6 <title>Selenite</title>
7</head>
8<body>
9 <h1 id="title">Hello, world!</h1>
10 <p class="lede">Minimal syntax highlighting.</p>
11</body>
12</html>
1
2.card {
3 display: flex;
4 padding: 16px;
5 border-radius: 8px;
6 font-family: "Inter", sans-serif;
7}
8
9.card:hover {
10 transform: scale(1.02);
11}
1
2name: selenite-demo
3version: "1.0.0"
4retries: 3
5verbose: false
6tags:
7 - api
8 - beta
9endpoint: "https://api.example.com/v1"
1# Selenite
2
3Minimal syntax highlighting ported from *Alabaster*.
4
5> Only a few token categories are colored — everything else stays plain.
6
7- Comments
8- Strings
9
101. Constants
112. Definitions
12
13
14
15See `config.yaml` for options.
1
2<svg viewBox="0 0 24 24" width="24" height="24">
3 <path d="M4 12l6 6L20 6" stroke="currentColor" stroke-width="2" fill="none"/>
4</svg>
1---
2
3const { title, href } = Astro.props;
4const isExternal = href.startsWith("http");
5---
6
7<a class="card" href={href} target={isExternal ? "_blank" : "_self"}>
8 <h3>{title}</h3>
9</a>
1import { useState } from "react";
2
3export function Counter() {
4 const [count, setCount] = useState(0);
5
6 return (
7 <button onClick={() => setCount(count + 1)}>
8 Clicked {count} times
9 </button>
10 );
11}
1
2API_URL=http://localhost:3000
3API_KEY=sk_test_123456
4DEBUG=true
5MAX_CONNECTIONS=10
1
2tell application "System Events"
3 set userName to name of current user
4end tell
5
6if userName is not "" then
7 display dialog "Hello, " & userName & "!"
8else
9 display dialog "Hello, stranger!"
10end if
1
2
3set -euo pipefail
4
5VERSION="1.4.0"
6echo "Building v${VERSION}..."
7
8if [ ! -d "dist" ]; then
9 mkdir dist
10fi
11
12npm run build && npm test
1
2const path = require('path');
3
4module.exports = {
5 entry: './src/index.js',
6 output: {
7 path: path.resolve(__dirname, 'dist'),
8 filename: 'bundle.js',
9 },
10};
1
2import path from 'node:path';
3
4export const outDir = path.resolve('dist');
5
6export default {
7 outDir,
8 minify: true,
9};
1
2<div class="card">
3 <h2>{{ product.title }}</h2>
4 {% if product.available %}
5 <span>${{ product.price | money }}</span>
6 {% else %}
7 <span>Sold out</span>
8 {% endif %}
9</div>
1<?php
2
3require_once 'db.php';
4
5function getActiveUsers(PDO $db): array {
6 $stmt = $db->query('SELECT * FROM users WHERE active = 1');
7 return $stmt->fetchAll();
8}
9
10foreach (getActiveUsers($db) as $user) {
11 echo $user['name'] . PHP_EOL;
12}
1
2interface User {
3 id: number;
4 name: string;
5}
6
7function isUser(value: unknown): value is User {
8 return typeof value === 'object' && value !== null && 'id' in value;
9}
10
11export const anonymous: User = { id: 0, name: 'Anonymous' };
1
2autoload -Uz vcs_info
3precmd() { vcs_info }
4
5setopt PROMPT_SUBST
6PROMPT='%F{cyan}%~%f ${vcs_info_msg_0_} %# '
7
8alias ll='ls -lah'
9alias gs='git status'
1id,name,status,score
21,Ada Lovelace,active,98.5
32,Grace Hopper,active,97.2
43,Alan Turing,inactive,99.1
1
2CC := gcc
3CFLAGS := -Wall -O2
4
5build: main.c
6 $(CC) $(CFLAGS) -o app main.c
7
8test: build
9 ./app --self-test
10
11.PHONY: build test
1import Callout from '../components/Callout';
2
3# Release notes
4
5<Callout type="info">
6 This release focuses on **performance**.
7</Callout>
8
9- Faster startup
10- Smaller bundle
11
12See [the changelog](./CHANGELOG.md) for details.
1<?xml version="1.0" encoding="UTF-8"?>
2<plist version="1.0">
3<dict>
4 <key>CFBundleName</key>
5 <string>Selenite</string>
6 <key>CFBundleVersion</key>
7 <string>1.0.0</string>
8 <key>LSMinimumSystemVersion</key>
9 <string>13.0</string>
10</dict>
11</plist>
1Release checklist
2
31. Bump version in extension.json
42. Update CHANGELOG.md
53. Tag the release
64. Submit to the Nova Extensions Gallery
7
8Ping @brandon before publishing.
1<?xml version="1.0" encoding="UTF-8"?>
2<rss version="2.0">
3 <channel>
4 <title>Selenite Blog</title>
5 <link>https://selenite.dev</link>
6 <item>
7 <title>1.0 Released</title>
8 <pubDate>2026-07-01</pubDate>
9 </item>
10 </channel>
11</rss>
1
2struct User {
3 let id: Int
4 var name: String
5 var isActive: Bool = true
6}
7
8func greet(_ user: User) -> String {
9 guard user.isActive else { return "Inactive user" }
10 return "Hello, \(user.name)!"
11}
1
2SELECT u.id, u.name, COUNT(o.id) AS order_count
3FROM users AS u
4JOIN orders AS o ON o.user_id = u.id
5WHERE u.active = TRUE
6 AND o.created_at >= '2026-01-01'
7GROUP BY u.id, u.name
8ORDER BY order_count DESC
9LIMIT 10;