loadImages.js

/**!
 * Description  : A few snipets that help to load bunch of images or svgs using DOMParse API
 * Author       : <hinell@github.com>
 * Last-Modified: July 13, 2019
 * License      : Copyright (c) 2019 Alexander Davronov
 *                In case of disclosure of use of this piece of software you may face prosection
 *                if any of the following conditions are met:
 *                  1. You failed to make a due mention of the aforementioned author 
 *                  2. You failed to copy this license text next to this piece of software
 *
 *                Otherwise anyone is free to use this piece of software at their own risk and responsibility.
 *                No warranty or any form of safety guarantees are provided.
 */

/**
 * Loads image sources into specified target
 * @param {object} args
 * @param {string=} args.basePath
 * @param {string[]} args.images
 * @param {HTMLElement} args.target
 */
let loadSvgs = async function ({ basePath, images, target }) {
        if (!basePath) basePath = "";
        if (!(images && target)) {
            throw new Error(`Invalid argument`)
        }

        let domparser = new DOMParser();
        let svgPromises = images.map(async function (src, i, images) {
            let response = await fetch(basePath + src);
            let text     = await response.text();
            let xmlDoc   = domparser.parseFromString(text, "image/svg+xml");
            return xmlDoc.firstElementChild
        })
        let svgImages
        try {
            svgImages = await Promise.all(svgPromises)
            svgImages.forEach(function (svgDoc, i, array) {
                target.append(svgDoc)
            })
            
        } catch (e) {
            console.log(e)
        }
    };
/**
 * Loads image sources into specified target
 * @param {object} args
 * @param {string=} args.basePath
 * @param {string[]} args.images
 * @param {HTMLElement} args.target
 */
let loadImages = async function ({ basePath, images, target }) {
        if (!basePath) basePath = "";
        if (!(images && target)) {
            throw new Error(`Invalid argument`)
        }

    let htmlElements = images.map((src, i, images) => {
            let el = new Image();
                el.src = basePath + src;
            return el
        });
        htmlElements.forEach(function (el, i, htmlElements) {
            target.append(el)
        })
    
    };