@devmehq/open-graph-extractor/dist/utils.js

Fast, lightweight Open Graph, Twitter Card, and structured data extractor for Node.js with caching and validation

"use strict";
/*
 * validates the url
 * @param string var - the url we want to scrape
 */
Object.defineProperty(exports, "__esModule", { value: true });
exports.isUrlValid = isUrlValid;
exports.findImageTypeFromUrl = findImageTypeFromUrl;
exports.isImageTypeValid = isImageTypeValid;
exports.removeNestedUndefinedValues = removeNestedUndefinedValues;
function isUrlValid(url) {
    return typeof url === "string" && url.length > 0 && url.indexOf("http") === 0 && url.indexOf(" ") === -1;
}
/*
 * forces url to start with http://
 * @param string var - the url we want to scrape
 */
/*
 * validate timeout - how long should we wait for a request
 * @param number var - the time we want to wait
 */
/*
 * findImageTypeFromUrl
 * @param string url - image url
 */
function findImageTypeFromUrl(url) {
    let type = url.split(".").pop();
    [type] = type.split("?");
    return type;
}
/*
 * isImageTypeValid
 * @param string type - image type
 */
function isImageTypeValid(type) {
    const validImageTypes = [
        "apng",
        "bmp",
        "gif",
        "ico",
        "cur",
        "jpg",
        "jpeg",
        "jfif",
        "pjpeg",
        "pjp",
        "png",
        "svg",
        "tif",
        "tiff",
        "webp",
    ];
    return validImageTypes.includes(type);
}
/*
 * removeNestedUndefinedValues
 * @param object - an object
 */
function removeNestedUndefinedValues(object) {
    Object.entries(object).forEach(([key, value]) => {
        if (value && typeof value === "object")
            removeNestedUndefinedValues(value);
        else if (value === undefined)
            delete object[key];
    });
    return object;
}