@akumzy/ogp-parser/dist/utils/parseHtml.js

This Package is Open Graph Parser.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const cheerio_1 = __importDefault(require("cheerio"));
function extractData($meta, propKey, contentKey) {
    let prop = $meta.attr(propKey);
    let content = $meta.attr(contentKey);
    if (!prop || !content) {
        return null;
    }
    else {
        return {
            prop: prop,
            content: content
        };
    }
}
function parseHtml(html) {
    const $ = cheerio_1.default.load(html);
    const $metas = $('head meta');
    const title = $('head title').text();
    let ogpSet = {};
    let seoSet = {};
    $metas.each((index, value) => {
        const ogp = extractData($(value), 'property', 'content');
        const seo = extractData($(value), 'name', 'content');
        let target = {};
        let prop, content;
        if (ogp !== null) {
            target = ogpSet;
            prop = ogp.prop;
            content = ogp.content;
        }
        else if (seo !== null) {
            target = seoSet;
            prop = seo.prop;
            content = seo.content;
        }
        else {
            return;
        }
        if (!target[prop]) {
            target[prop] = [];
        }
        target[prop].push(content);
    });
    return {
        title: title,
        ogp: ogpSet,
        seo: seoSet
    };
}
exports.default = parseHtml;