import * as fs from "node:fs/promises";
import * as path from "node:path";
import { compile } from "@tailwindcss/node";
* Extract Tailwind class names from source files by scanning for className attributes.
*/
async function extractTailwindClasses(dir: string): Promise<Set<string>> {
const classes = new Set<string>();
const classPattern = /className\s*=\s*["'`]([^"'`]+)["'`]/g;
async function scanDir(currentDir: string): Promise<void> {
const entries = await fs.readdir(currentDir, { withFileTypes: true });
for (const entry of entries) {
const fullPath = path.join(currentDir, entry.name);
if (entry.isDirectory()) {
await scanDir(fullPath);
} else if (entry.isFile() && /\.(tsx|ts|jsx|js)$/.test(entry.name)) {
const content = await Bun.file(fullPath).text();
const matches = content.matchAll(classPattern);
for (const match of matches) {
for (const cls of match[1].split(/\s+/)) {
if (cls) classes.add(cls);
}
}
}
}
}
await scanDir(dir);
return classes;
}
await fs.rm("./dist/client", { recursive: true, force: true });
console.log("Building Tailwind CSS...");
const sourceCss = await Bun.file("./src/client/styles.css").text();
const candidates = await extractTailwindClasses("./src/client");
const baseDir = path.resolve("./src/client");
const compiler = await compile(sourceCss, {
base: baseDir,
onDependency: () => {},
});
const tailwindOutput = compiler.build([...candidates]);
await Bun.write("./dist/client/styles.css", tailwindOutput);
console.log("Building React app...");
const result = await Bun.build({
entrypoints: ["./src/client/index.tsx"],
outdir: "./dist/client",
minify: true,
naming: "[dir]/[name].[ext]",
});
if (!result.success) {
console.error("Build failed");
for (const message of result.logs) {
console.error(message);
}
process.exit(1);
}
const indexHtml = `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>AI Usage Statistics</title>
<link rel="stylesheet" href="styles.css">
</head>
<body>
<div id="root"></div>
<script src="index.js" type="module"></script>
</body>
</html>`;
await Bun.write("./dist/client/index.html", indexHtml);
console.log("Build complete");