127 lines
4.5 KiB
JavaScript
127 lines
4.5 KiB
JavaScript
/* CONFIGURATION FOR MARKDOWN TEMPLATES */
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// Installed Plugins
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const pluginTOC = require('eleventy-plugin-nesting-toc');
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const embedEverything = require("eleventy-plugin-embed-everything");
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// Configure slug filter
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const slugify = require("slugify");
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// Configure markdown-it plugins
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const markdownIt = require("markdown-it");
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const markdownItAnchor = require("markdown-it-anchor");
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module.exports = function (eleventyConfig) {
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// Installed Plugins
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eleventyConfig.addPlugin(pluginTOC, { tags: ['h2', 'h3', 'h4', 'h5'] });
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eleventyConfig.addPlugin(embedEverything, { add: ['soundcloud'] });
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// Configure slug filter
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eleventyConfig.addFilter("slug", (str) => {
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if (!str) {
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return;
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}
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return slugify(str, {
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lower: true,
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remove: /["]/g,
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});
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});
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// Configure markdown-it-anchor plugins
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eleventyConfig.setLibrary('md', markdownIt().use(markdownItAnchor))
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const linkAfterHeader = markdownItAnchor.permalink.linkAfterHeader({
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class: "heading-anchor",
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symbol: "<span hidden>#</span>",
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style: "aria-labelledby",
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});
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const markdownItAnchorOptions = {
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level: [1, 2, 3, 4, 5],
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slugify: (str) =>
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slugify(str, {
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lower: true,
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strict: true,
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remove: /["]/g,
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}),
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tabIndex: false,
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permalink(slug, opts, state, idx) {
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state.tokens.splice(idx, 0,
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Object.assign(new state.Token("div_open", "div", 1), {
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// Add class "header-wrapper [h1 or h2 or h3]"
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attrs: [["class", `heading-wrapper ${state.tokens[idx].tag}`]],
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block: true,
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})
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);
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state.tokens.splice(idx + 4, 0,
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Object.assign(new state.Token("div_close", "div", -1), {
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block: true,
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})
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);
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linkAfterHeader(slug, opts, state, idx + 1);
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},
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};
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/* Markdown Overrides */
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let markdownLibrary = markdownIt({
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html: true,
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})
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.use(markdownItAnchor, markdownItAnchorOptions)
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.use(require("markdown-it-attribution"))
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.use(require("markdown-it-attrs"))
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.use(require("markdown-it-bracketed-spans"))
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.use(require("markdown-it-deflist"))
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.use(require('markdown-it-footnote'));
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// Configure markdown-it-footnote
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markdownLibrary.renderer.rules.footnote_block_open = () => (
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'<section class="footnotes">\n' +
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`<div class="heading-wrapper h2">
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<h2 id="footnotes" class="footnotes__title">Footnotes</h2>
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<a class="heading-anchor" href="#footnotes" aria-labelledby="footnotes"><span hidden="">#</span></a>
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</div>\n` +
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'<ol class="footnotes-list">\n'
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);
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const renderRules = {
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footnote_caption: ['[', '[<span class="visually-hidden">Footnote </span>'],
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footnote_anchor: ['<a', '<a aria-label="Back to content"'],
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};
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Object.keys(renderRules).map(rule => {
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let defaultRender = markdownLibrary.renderer.rules[rule];
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markdownLibrary.renderer.rules[rule] = (tokens, idx, options, env, self) => {
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return defaultRender(tokens, idx, options, env, self).replace(...renderRules[rule]);
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}
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});
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// Paired shortcode: custom container
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eleventyConfig.addPairedShortcode('container', (children, el, className) => {
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const classMarkup = className ? ` class="${className}"` : "";
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const content = markdownLibrary.render(children);
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return `<${el}${classMarkup}>${content}</${el}>`;
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});
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// Paired shortcode: image figure and figcaption
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eleventyConfig.addPairedShortcode('imgFigure', (caption, img, alt=caption) => {
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const figcaption = markdownLibrary.renderInline(caption);
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return `<figure>
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<img src="${img}" alt="${alt}">
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<figcaption>${figcaption}</figcaption>
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</figure>`;
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});
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// Paired shorcode: Spoiler accordion
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eleventyConfig.addPairedShortcode('spoiler', (content, hint) => {
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const hintMarkup = markdownLibrary.renderInline(hint);
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const contentMarkup = markdownLibrary.render(content);
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return `<details class="spoiler-accordion">
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<summary class="spoiler-accordion__hint">${hintMarkup}</summary>
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<div class="spoiler-accordion__spoiler">${contentMarkup}</div>
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</details>`;
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});
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/* This is the part that tells 11ty to swap to our custom config */
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eleventyConfig.setLibrary("md", markdownLibrary);
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}
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