bs64 image hasher javascript

lazy-blur-image-hasher.js

"use strict";
const sharp = require("sharp");
const fs = require("fs");
const path = require("path");

sharp.cache(false);

async function generateLazyImage(src) {
    const { default: got } = await import("got");

    const response = await got(src, { responseType: "buffer" });
    const body = response.body;

    const sharpImage = sharp(body);
    const metadata = await sharpImage.metadata();
    const format = metadata.format;

    const lqipBuf = await sharpImage
        .resize({ width: 30, height: 30, fit: "inside" })
        .toBuffer();

    const lqip = `data:image/${format};base64,${lqipBuf.toString("base64")}`;

    return new Promise((resolve) => {
        setTimeout(() => {
            resolve(lqip);
        }, 1000);
    });
}

const directory = path.join(__dirname, 'public/<...>');
const files = fs.readdirSync(directory);
console.log(files)
const images = files.map(file => `http://localhost:3000/<...>/${file}`); 
console.log(images)
for (const image of images) {
    generateLazyImage(image).then((lqip) => {
        console.log(lqip);
    });
}