diff options
Diffstat (limited to 'includes/external/addressbook/node_modules/open-graph-scraper/dist/lib/fallback.js')
| -rw-r--r-- | includes/external/addressbook/node_modules/open-graph-scraper/dist/lib/fallback.js | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/includes/external/addressbook/node_modules/open-graph-scraper/dist/lib/fallback.js b/includes/external/addressbook/node_modules/open-graph-scraper/dist/lib/fallback.js new file mode 100644 index 0000000..92eaa61 --- /dev/null +++ b/includes/external/addressbook/node_modules/open-graph-scraper/dist/lib/fallback.js @@ -0,0 +1,198 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.fallback = void 0; +const chardet_1 = require("chardet"); +const utils_1 = require("./utils"); +const doesElementExist = (selector, attribute, $) => ($(selector).attr(attribute) && $(selector).attr(attribute).length > 0); +/** + * ogs fallbacks + * + * @param {object} ogObject - the current ogObject + * @param {object} options - options for ogs + * @param {object} $ - cheerio.load() of the current html + * @return {object} object with ogs results with updated fallback values + * + */ +function fallback(ogObject, options, $, rawBody) { + // title fallback + if (!ogObject.ogTitle) { + if ($('title').text() && $('title').text().length > 0) { + ogObject.ogTitle = $('title').first().text(); + } + else if ($('head > meta[name="title"]').attr('content') && $('head > meta[name="title"]').attr('content').length > 0) { + ogObject.ogTitle = $('head > meta[name="title"]').attr('content'); + } + else if ($('.post-title').text() && $('.post-title').text().length > 0) { + ogObject.ogTitle = $('.post-title').text(); + } + else if ($('.entry-title').text() && $('.entry-title').text().length > 0) { + ogObject.ogTitle = $('.entry-title').text(); + } + else if ($('h1[class*="title" i] a').text() && $('h1[class*="title" i] a').text().length > 0) { + ogObject.ogTitle = $('h1[class*="title" i] a').text(); + } + else if ($('h1[class*="title" i]').text() && $('h1[class*="title" i]').text().length > 0) { + ogObject.ogTitle = $('h1[class*="title" i]').text(); + } + } + // Get meta description tag if og description was not provided + if (!ogObject.ogDescription) { + if (doesElementExist('head > meta[name="description"]', 'content', $)) { + ogObject.ogDescription = $('head > meta[name="description"]').attr('content'); + } + else if (doesElementExist('head > meta[itemprop="description"]', 'content', $)) { + ogObject.ogDescription = $('head > meta[itemprop="description"]').attr('content'); + } + else if ($('#description').text() && $('#description').text().length > 0) { + ogObject.ogDescription = $('#description').text(); + } + } + // Get all of images if there is no og:image info + if (!ogObject.ogImage && options.ogImageFallback) { + ogObject.ogImage = []; + $('img').map((index, imageElement) => { + if (doesElementExist(imageElement, 'src', $)) { + const source = $(imageElement).attr('src'); + const type = (0, utils_1.findImageTypeFromUrl)(source); + if (!(0, utils_1.isUrlValid)(source, options.urlValidatorSettings) || !(0, utils_1.isImageTypeValid)(type)) + return false; + ogObject.ogImage.push({ + url: source, + width: $(imageElement).attr('width') || null, + height: $(imageElement).attr('height') || null, + type, + }); + } + return false; + }); + if (ogObject.ogImage.length === 0) + delete ogObject.ogImage; + } + else if (ogObject.ogImage) { + // if there isn't a type, try to pull it from the URL + if (Array.isArray(ogObject.ogImage)) { + ogObject.ogImage.map((image) => { + if (image.url && !image.type) { + const type = (0, utils_1.findImageTypeFromUrl)(image.url); + if ((0, utils_1.isImageTypeValid)(type)) + image.type = type; + } + return false; + }); + } + else if (ogObject.ogImage.url && !ogObject.ogImage.type) { + const type = (0, utils_1.findImageTypeFromUrl)(ogObject.ogImage.url); + if ((0, utils_1.isImageTypeValid)(type)) + ogObject.ogImage.type = type; + } + } + // audio fallback + if (!ogObject.ogAudioURL && !ogObject.ogAudioSecureURL) { + const audioElementValue = $('audio').attr('src'); + const audioSourceElementValue = $('audio > source').attr('src'); + if (doesElementExist('audio', 'src', $)) { + if (audioElementValue.startsWith('https')) { + ogObject.ogAudioSecureURL = audioElementValue; + } + else { + ogObject.ogAudioURL = audioElementValue; + } + const audioElementTypeValue = $('audio').attr('type'); + if (!ogObject.ogAudioType && doesElementExist('audio', 'type', $)) + ogObject.ogAudioType = audioElementTypeValue; + } + else if (doesElementExist('audio > source', 'src', $)) { + if (audioSourceElementValue.startsWith('https')) { + ogObject.ogAudioSecureURL = audioSourceElementValue; + } + else { + ogObject.ogAudioURL = audioSourceElementValue; + } + const audioSourceElementTypeValue = $('audio > source').attr('type'); + if (!ogObject.ogAudioType && doesElementExist('audio > source', 'type', $)) + ogObject.ogAudioType = audioSourceElementTypeValue; + } + } + // locale fallback + if (!ogObject.ogLocale) { + if (doesElementExist('html', 'lang', $)) { + ogObject.ogLocale = $('html').attr('lang'); + } + else if (doesElementExist('head > meta[itemprop="inLanguage"]', 'content', $)) { + ogObject.ogLocale = $('head > meta[itemprop="inLanguage"]').attr('content'); + } + } + // logo fallback + if (!ogObject.ogLogo) { + if (doesElementExist('meta[itemprop="logo"]', 'content', $)) { + ogObject.ogLogo = $('meta[itemprop="logo"]').attr('content'); + } + else if (doesElementExist('img[itemprop="logo"]', 'src', $)) { + ogObject.ogLogo = $('img[itemprop="logo"]').attr('src'); + } + } + // url fallback + if (!ogObject.ogUrl) { + if (doesElementExist('link[rel="canonical"]', 'href', $)) { + ogObject.ogUrl = $('link[rel="canonical"]').attr('href'); + } + else if (doesElementExist('link[rel="alternate"][hreflang="x-default"]', 'href', $)) { + ogObject.ogUrl = $('link[rel="alternate"][hreflang="x-default"]').attr('href'); + } + } + // date fallback + if (!ogObject.ogDate) { + if (doesElementExist('head > meta[name="date"]', 'content', $)) { + ogObject.ogDate = $('head > meta[name="date"]').attr('content'); + } + else if (doesElementExist('[itemprop*="datemodified" i]', 'content', $)) { + ogObject.ogDate = $('[itemprop*="datemodified" i]').attr('content'); + } + else if (doesElementExist('[itemprop="datepublished" i]', 'content', $)) { + ogObject.ogDate = $('[itemprop="datepublished" i]').attr('content'); + } + else if (doesElementExist('[itemprop*="date" i]', 'content', $)) { + ogObject.ogDate = $('[itemprop*="date" i]').attr('content'); + } + else if (doesElementExist('time[itemprop*="date" i]', 'datetime', $)) { + ogObject.ogDate = $('time[itemprop*="date" i]').attr('datetime'); + } + else if (doesElementExist('time[datetime]', 'datetime', $)) { + ogObject.ogDate = $('time[datetime]').attr('datetime'); + } + } + // favicon fallback + if (!ogObject.favicon) { + if (doesElementExist('link[rel="shortcut icon"]', 'href', $)) { + ogObject.favicon = $('link[rel="shortcut icon"]').attr('href'); + } + else if (doesElementExist('link[rel="icon"]', 'href', $)) { + ogObject.favicon = $('link[rel="icon"]').attr('href'); + } + else if (doesElementExist('link[rel="mask-icon"]', 'href', $)) { + ogObject.favicon = $('link[rel="mask-icon"]').attr('href'); + } + else if (doesElementExist('link[rel="apple-touch-icon"]', 'href', $)) { + ogObject.favicon = $('link[rel="apple-touch-icon"]').attr('href'); + } + else if (doesElementExist('link[type="image/png"]', 'href', $)) { + ogObject.favicon = $('link[type="image/png"]').attr('href'); + } + else if (doesElementExist('link[type="image/ico"]', 'href', $)) { + ogObject.favicon = $('link[type="image/ico"]').attr('href'); + } + else if (doesElementExist('link[type="image/x-icon"]', 'href', $)) { + ogObject.favicon = $('link[type="image/x-icon"]').attr('href'); + } + } + // set the charset + if (doesElementExist('meta', 'charset', $)) { + ogObject.charset = $('meta').attr('charset'); + } + else if (rawBody) { + ogObject.charset = chardet_1.default.detect(rawBody); + } + return ogObject; +} +exports.fallback = fallback; +exports.default = fallback; |