@brendonovich/kobalte__solidbase/src/config/git.ts

Fully featured, fully customisable static site generation for SolidStart

/*
 * MIT VitePress
 * https://github.com/vuejs/vitepress/blob/fcae4d5554df2130b9a7e5ad8e0cc83eccf88bec/src/node/utils/getGitTimestamp.ts
 */

import fs from "node:fs";
import { basename, dirname } from "node:path";
import { spawn } from "cross-spawn";

const cache = new Map<string, number>();

export function getGitTimestamp(file: string) {
	const cached = cache.get(file);
	if (cached) return cached;

	if (!fs.existsSync(file)) return 0;

	return new Promise<number>((resolve, reject) => {
		const child = spawn(
			"git",
			["log", "-1", '--pretty="%ai"', basename(file)],
			{ cwd: dirname(file) },
		);

		let output = "";
		child.stdout.on("data", (d) => (output += String(d)));

		child.on("close", () => {
			const timestamp = +new Date(output);
			cache.set(file, timestamp);
			resolve(timestamp);
		});

		child.on("error", reject);
	});
}