node-base64-image/dist/index.mjs

Download images from remote URLs and encode/decode them to base64

import axios from "axios";
import { readFile, writeFile } from "fs/promises";
//#region src/index.ts
async function encode(url, opts = {
	string: false,
	timeout: 5e3
}) {
	try {
		if (!url || url === "") return Promise.reject(/* @__PURE__ */ new Error("URL is a required parameter"));
		if (opts.local) {
			const fileBuf = await readFile(url);
			return opts.string ? fileBuf.toString("base64") : fileBuf;
		}
		const { data, status } = await axios(url, {
			responseType: "arraybuffer",
			headers: opts.headers,
			timeout: opts.timeout
		});
		if (data && status >= 200 && status < 302) {
			const buf = Buffer.from(data, "base64");
			return opts.string ? buf.toString("base64") : buf;
		}
		return Promise.reject(/* @__PURE__ */ new Error("empty body and/or wrong status code"));
	} catch (err) {
		if (err) return Promise.reject(err);
		return Promise.reject(/* @__PURE__ */ new Error("unknown error in encode"));
	}
}
async function decode(imgBuffer, opts) {
	try {
		if (!imgBuffer || imgBuffer === "" || !opts.fname || !opts.ext) return Promise.reject(/* @__PURE__ */ new Error("image buffer, filename and extension are required parameters"));
		if (typeof imgBuffer === "string") imgBuffer = Buffer.from(imgBuffer, "base64");
		await writeFile(`${opts.fname}.${opts.ext}`, imgBuffer, "base64");
		return "file written successfully to disk";
	} catch (err) {
		if (err) return Promise.reject(err);
		return Promise.reject(/* @__PURE__ */ new Error("unknown error in decode"));
	}
}
//#endregion
export { decode, encode };