mirror of
https://github.com/next-theme/hexo-theme-next.git
synced 2026-01-18 18:33:42 +00:00
33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
/* global hexo */
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'use strict';
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const { parse } = require('url');
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hexo.extend.filter.register('after_post_render', data => {
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const { config } = hexo;
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const theme = hexo.theme.config;
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if (!theme.exturl && !theme.lazyload) return;
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if (theme.lazyload) {
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data.content = data.content.replace(/(<img[^>]*) src=/img, '$1 data-src=');
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}
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if (theme.exturl) {
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const siteHost = parse(config.url).hostname || config.url;
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data.content = data.content.replace(/<a[^>]* href="([^"]+)"[^>]*>([^<]+)<\/a>/img, (match, href, html) => {
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// Exit if the href attribute doesn't exists.
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if (!href) return match;
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// Exit if the url has same host with `config.url`, which means it's an internal link.
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const link = parse(href);
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if (!link.protocol || link.hostname === siteHost) return match;
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// Return encrypted URL with title.
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const title = match.match(/title="([^"]+)"/);
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if (title) return `<span class="exturl" data-url="${Buffer.from(href).toString('base64')}" title="${title[1]}">${html}<i class="fa fa-external-link-alt"></i></span>`;
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return `<span class="exturl" data-url="${Buffer.from(href).toString('base64')}">${html}<i class="fa fa-external-link-alt"></i></span>`;
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});
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}
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}, 0);
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