96 lines
4.1 KiB
JavaScript
96 lines
4.1 KiB
JavaScript
const jsdom = require('@tbranyen/jsdom');
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const {JSDOM} = jsdom;
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const minify = require('../utils/minify.js');
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const slugify = require('slugify');
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const getSize = require('image-size');
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module.exports = function(value, outputPath) {
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if (outputPath.endsWith('.html')) {
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const DOM = new JSDOM(value, {
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resources: 'usable'
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});
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const document = DOM.window.document;
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const articleImages = [...document.querySelectorAll('main article img, .intro img')];
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const articleHeadings = [
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...document.querySelectorAll('main article h2, main article h3')
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];
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const articleEmbeds = [...document.querySelectorAll('main article iframe')];
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if (articleImages.length) {
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articleImages.forEach(image => {
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image.setAttribute('loading', 'lazy');
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const file = image.getAttribute('src');
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// if preprod env TODO remove when prod
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if(this.config.pathPrefix.localeCompare('/')) { // pathPrefix is different from '/'
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// if(process.env.ELEVENTY_ENV == "preprod") { // not working
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image.setAttribute('src', this.config.pathPrefix + file);
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}
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if (file.indexOf('http') < 0) {
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const dimensions = getSize('src' + file);
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image.setAttribute('width', dimensions.width);
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image.setAttribute('height', dimensions.height);;
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}
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// Replace p tags by figure tag for img
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const figure = document.createElement('figure');
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image.removeAttribute('title');
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figure.appendChild(image.cloneNode(true));
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// If an image has a title it means that the user added a caption
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// so replace the image with a figure containing that image and a caption
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if (image.hasAttribute('title')) {
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const figCaption = document.createElement('figcaption');
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figCaption.innerHTML = image.getAttribute('title');
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figure.appendChild(figCaption);
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}
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image.parentNode.replaceWith(figure);
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});
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}
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if (articleHeadings.length) {
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// Loop each heading and add a little anchor and an ID to each one
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articleHeadings.forEach(heading => {
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const headingSlug = slugify(heading.textContent.toLowerCase());
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const anchor = document.createElement('a');
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anchor.setAttribute('href', `#heading-${headingSlug}`);
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anchor.classList.add('heading-permalink');
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anchor.innerHTML = minify(`
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<span class="visually-hidden"> permalink</span>
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<svg fill="currentColor" aria-hidden="true" focusable="false" width="1em" height="1em" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
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<path d="M9.199 13.599a5.99 5.99 0 0 0 3.949 2.345 5.987 5.987 0 0 0 5.105-1.702l2.995-2.994a5.992 5.992 0 0 0 1.695-4.285 5.976 5.976 0 0 0-1.831-4.211 5.99 5.99 0 0 0-6.431-1.242 6.003 6.003 0 0 0-1.905 1.24l-1.731 1.721a.999.999 0 1 0 1.41 1.418l1.709-1.699a3.985 3.985 0 0 1 2.761-1.123 3.975 3.975 0 0 1 2.799 1.122 3.997 3.997 0 0 1 .111 5.644l-3.005 3.006a3.982 3.982 0 0 1-3.395 1.126 3.987 3.987 0 0 1-2.632-1.563A1 1 0 0 0 9.201 13.6zm5.602-3.198a5.99 5.99 0 0 0-3.949-2.345 5.987 5.987 0 0 0-5.105 1.702l-2.995 2.994a5.992 5.992 0 0 0-1.695 4.285 5.976 5.976 0 0 0 1.831 4.211 5.99 5.99 0 0 0 6.431 1.242 6.003 6.003 0 0 0 1.905-1.24l1.723-1.723a.999.999 0 1 0-1.414-1.414L9.836 19.81a3.985 3.985 0 0 1-2.761 1.123 3.975 3.975 0 0 1-2.799-1.122 3.997 3.997 0 0 1-.111-5.644l3.005-3.006a3.982 3.982 0 0 1 3.395-1.126 3.987 3.987 0 0 1 2.632 1.563 1 1 0 0 0 1.602-1.198z"/>
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</svg>`);
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heading.setAttribute('id', `heading-${headingSlug}`);
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heading.appendChild(anchor);
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});
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}
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// Look for videos are wrap them in a container element
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if (articleEmbeds.length) {
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articleEmbeds.forEach(embed => {
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if (embed.hasAttribute('allowfullscreen')) {
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const player = document.createElement('div');
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player.classList.add('video-player');
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player.appendChild(embed.cloneNode(true));
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embed.replaceWith(player);
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}
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});
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}
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return '<!DOCTYPE html>\r\n' + document.documentElement.outerHTML;
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}
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return value;
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};
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