leilukin-site/eleventy.config.md.js

138 lines
5.1 KiB
JavaScript

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