minify-svg.ts

import glob from "glob";
import {readFile, writeFile} from 'fs';
import {optimize, OptimizedSvg} from "svgo";


glob("**/*.html", (err, files) => {
    if (err) throw err;
    files.forEach(file => {
        readFile(file, 'utf8', (err, content) => {
            if (err) throw err;
            writeFile(file,
                content.replace(/<svg[^>]*>/, (svg) => {
                    const opt = optimize(svg);
                    if ("data" in opt) {
                        return opt.data;
                    } else {
                        throw opt.error;
                    }
                }),
                (err) => {
                    if (err) throw err;
                }
            )
        })
    })
})