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hexo.extend.generator.register("feed", (locals) => {
// Load config
const config = hexo.config;
const theme = hexo.theme.config;
const urler = hexo.extend.helper.get("url_for").bind(hexo);
const fullurl = hexo.extend.helper.get("full_url_for").bind(hexo);
const hstrip = hexo.extend.helper.get("strip_html").bind(hexo);
if (!theme.rss || !theme.rss.enable) return;
let podcast = require("podcast");
function is_constructor(obj) {
return !!obj.prototype && !!obj.prototype.constructor.name;
}
if (!is_constructor(podcast))
podcast = podcast.Podcast;
// Generate Podcast Categories content
let categories = [];
Object.keys(theme.rss.config.category).forEach((key) => {
const category = {
text: key,
subcats: []
};
const subcats = theme.rss.config.category[key];
subcats.forEach((subcat) => {
category.subcats.push({
text: subcat
});
});
categories.push(category);
});
let logo = theme.logo.rss;
if (!(logo.startsWith("http://") || logo.startsWith("https://")))
logo = fullurl(logo, { relative: false });;
// Render for site config
const feed = new podcast({
title: config.title,
description: config.description,
copyright: config.title + ' ' + theme.copyright,
language: config.language.slice(0, 2),
siteUrl: config.url,
imageUrl: logo,
itunesSubtitle: config.subtitle,
itunesSummary: config.description,
itunesAuthor: config.author,
itunesExplicit: theme.rss.config.explicit,
itunesCategory: categories,
itunesOwner: {
name: config.author,
email: theme.rss.config.email
}
});
// Rendering for podcasts
locals.posts.sort('date', -1).each(function (post) {
if (!post.podcast) return;
let description = post.content.replace(/onclick=".*?"/gi, '')
.replace(/class=".*?"/gi, '').replace(/href="#.*?"/gi, '')
.replace(/id=".*?"/gi, '').replace(/rel=".*?"/gi, '')
.replace(/title=".*?"/gi, '').replace(/\n/g, "")
.replace(/\s+/g, ' ').trim();
// Check local media url
let url = post.podcast.media.url;
if (!(url.startsWith("http://") || url.startsWith("https://")))
url = fullurl(post.path, { relative: false }).replace("index.html", '') + url;
feed.addItem({
title: post.title,
description: description,
url: config.url + urler(post.path),
guid: config.url + urler(post.path),
author: post.podcast.authors.join(', '),
date: post.date,
enclosure: {
url: url,
type: post.podcast.media.type,
size: post.podcast.media.size
},
itunesAuthor: post.podcast.authors.join(', '),
itunesExplicit: theme.rss.config.explicit,
itunesSummary: hstrip(post.excerpt),
itunesSubtitle: post.podcast.subtitle,
itunesDuration: post.podcast.duration,
itunesImage: post.podcast.cover,
});
});
return {
path: theme.rss.path,
data: feed.buildXml()
};
});
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