Optimize SVG

1#!/usr/bin/env node
2import { readFile, writeFile } from "node:fs/promises";
3import { parseArgs } from "./lib/common.mjs";
4
5async function main() {
6  const args = parseArgs();
7  const file = args._[0] || args.file;
8  if (!file) throw new Error("Usage: optimize-svg.mjs <file.svg>");
9  const optimized = await optimizeSvg(await readFile(file, "utf8"));
10  if (args.stdout) process.stdout.write(optimized);
11  else await writeFile(args.out || file, optimized, "utf8");
12}
13
14export async function optimizeSvg(svg) {
15  try {
16    const { optimize } = await import("svgo");
17    return optimize(svg, { multipass: true }).data;
18  } catch {
19    return svg
20      .replace(/<!--[\s\S]*?-->/g, "")
21      .replace(/>\s+</g, "><")
22      .trim();
23  }
24}
25
26if (import.meta.url === `file://${process.argv[1]}`) {
27  main().catch((error) => {
28    console.error(error.stack || error.message);
29    process.exit(1);
30  });
31}