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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const cheerio_1 = require("cheerio");
const fallback_1 = require("./fallback");
const fields_1 = require("./fields");
const media = require("./media");
const utils = require("./utils");
/**
* extract all of the meta tags needed for ogs
*
* @param {sting} body - the body of the got request
* @param {object} options - options for ogs
* @return {object} object with ogs results
*
*/
function extractMetaTags(body, options, rawBody) {
let ogObject = {};
const $ = (0, cheerio_1.load)(body);
const metaFields = fields_1.default.concat(options.customMetaTags);
// find all of the open graph info in the meta tags
$('meta').each((index, meta) => {
if (!meta.attribs || (!meta.attribs.property && !meta.attribs.name))
return;
const property = meta.attribs.property || meta.attribs.name;
const content = meta.attribs.content || meta.attribs.value;
metaFields.forEach((item) => {
if (item && property.toLowerCase() === item.property.toLowerCase()) {
if (!item.multiple) {
ogObject[item.fieldName] = content;
}
else if (!ogObject[item.fieldName]) {
ogObject[item.fieldName] = [content];
}
else if (Array.isArray(ogObject[item.fieldName])) {
ogObject[item.fieldName].push(content);
}
}
});
});
// set ogImage to ogImageSecureURL/ogImageURL if there is no ogImage
if (!ogObject.ogImage && ogObject.ogImageSecureURL) {
ogObject.ogImage = ogObject.ogImageSecureURL;
}
else if (!ogObject.ogImage && ogObject.ogImageURL) {
ogObject.ogImage = ogObject.ogImageURL;
}
// formats the multiple media values
ogObject = media.mediaSetup(ogObject, options);
// if onlyGetOpenGraphInfo isn't set, run the open graph fallbacks
if (!options.onlyGetOpenGraphInfo) {
ogObject = (0, fallback_1.default)(ogObject, options, $, rawBody);
}
// TODO: Is this still needed?
// removes any undefs
ogObject = utils.removeNestedUndefinedValues(ogObject);
return ogObject;
}
exports.default = extractMetaTags;
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