convert-base64-to-image/lib/index.js

This is a node package that helps you to convert base64 string created by javascript file reader to image downloadable file

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.converBase64ToImage = void 0;
var utils_1 = require("./utils");
/**
 * @name converBase64ToImage
 * @description Takes a base64 string that begins with data:image/jpeg;base64,/9j/4AAQSkZJRgABAQEASABIAAD// and converts it to an image.
 * @param {string} base64 Buffer to be converted to image.
 * @param {string} path Full path to write image to e.g /path/to/image.png
 * @requires fs
 *
 * @returns {void}
 */
var converBase64ToImage = function (base64, path) {
    try {
        var base64regex = /^([0-9a-zA-Z+/]{4})*(([0-9a-zA-Z+/]{2}==)|([0-9a-zA-Z+/]{3}=))?$/;
        if (!base64.startsWith("data:image")) {
            throw new Error('Invalid base64 string');
        }
        if (!base64) {
            throw new Error('Base64 can not be empty');
        }
        if (!path) {
            throw new Error('Path can not be empty');
        }
        var base64String = (0, utils_1.readBase64File)(base64);
        var buffer = (0, utils_1.convertBase64ToBuffer)(base64String);
        (0, utils_1.bufferToImageAndWriteImageToPath)(buffer, path);
    }
    catch (error) {
        console.log(error);
        process.exit(1);
    }
};
exports.converBase64ToImage = converBase64ToImage;