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.eleventy.js
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.eleventy.js
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const beautifyHTML = require("js-beautify").html;
const fs = require("fs");
const hljs = require("highlight.js");
const markdownIt = require("markdown-it");
const markdownItAnchor = require("markdown-it-anchor");
const matter = require("gray-matter");
const mojFilters = require("./src/moj/filters/all");
const nunjucks = require("nunjucks");
const path = require("path");
const { execSync } = require("child_process");
const releasePackage = require('./package/package.json');
const sass = require("sass");
const esbuild = require('esbuild');
module.exports = function (eleventyConfig) {
/*
* If the node env is 'dev' then we include the src dir allowing components
* under development to be watched and loaded
*/
const templatePaths = process.env.ENV === 'dev' ? [
".",
"src",
"docs/_includes/",
"node_modules/govuk-frontend/dist/",
"node_modules/@ministryofjustice/frontend/",
] : [
".",
"docs/_includes/",
"node_modules/govuk-frontend/dist/",
"node_modules/@ministryofjustice/frontend/",
];
const nunjucksEnv = nunjucks.configure(templatePaths);
Object.entries({
...eleventyConfig.nunjucksFilters,
...mojFilters(),
}).forEach(([name, callback]) => {
nunjucksEnv.addFilter(name, callback);
});
eleventyConfig.setLibrary("njk", nunjucksEnv);
eleventyConfig.setLibrary(
"md",
markdownIt({
html: true,
highlight: (str, language) =>
language ? hljs.highlight(str, { language }).value : str,
})
.disable("code")
.use(markdownItAnchor, {
level: [1, 2, 3, 4],
})
);
eleventyConfig.addShortcode("example", function (exampleHref, height) {
let { data, content: nunjucksCode } = matter(
fs
.readFileSync(
path.join(__dirname, "docs", exampleHref, "index.njk"),
"utf8"
)
.trim()
);
nunjucksCode = nunjucksCode.split('<!--no include-->')[0].trim();
const rawHtmlCode = nunjucksEnv.renderString(nunjucksCode);
const htmlCode = beautifyHTML(rawHtmlCode.trim(), {
indent_size: 2,
end_with_newline: true,
max_preserve_newlines: 1,
unformatted: ["code", "pre", "em", "strong"],
});
let jsCode = "";
try {
jsCode = fs
.readFileSync(
path.join(__dirname, "docs", exampleHref, "script.js"),
"utf8"
)
.trim();
} catch (e) {}
return nunjucksEnv.render("example.njk", {
href: exampleHref,
id: exampleHref.replace(/\//g, "-"),
arguments: data.arguments,
figmaLink : data.figma_link,
title: data.title,
height,
nunjucksCode,
htmlCode,
jsCode,
});
});
eleventyConfig.addShortcode("dateInCurrentMonth", (day) => `${day}/${new Date().getMonth()+1}/${new Date().getFullYear()}`);
eleventyConfig.addShortcode("lastUpdated", function (component) {
if (process.env.STAGING) return '';
const dirPath = path.join(__dirname, "src/moj/components", component);
const [commit, lastUpdated] = execSync(
`LANG=en_GB git log -n1 --pretty=format:%H,%ad --date=format:'%e %B %Y' ${dirPath}`
)
.toString()
.split(",");
return `<p>Last updated: <a href="https://github.com/ministryofjustice/moj-frontend/commit/${commit}">${lastUpdated}</a></p>`;
});
eleventyConfig.addShortcode("version", function () {
return releasePackage.version;
});
eleventyConfig.addPairedShortcode("banner", function (content, title) {
return `
<div class="govuk-notification-banner" role="region" aria-labelledby="govuk-notification-banner-title" data-module="govuk-notification-banner">
<div class="govuk-notification-banner__header">
<h2 class="govuk-notification-banner__title" id="govuk-notification-banner-title">
Important
</h2>
</div>
<div class="govuk-notification-banner__content">
<h3 class="govuk-notification-banner__heading">
${title}
</h3>
${content}</div>
</div>
`;
});
eleventyConfig.addFilter(
"addActiveAttribute",
function (config, filePathStem) {
if (config.items) {
return {
...config,
items: config.items.map((item) => ({
...item,
active: filePathStem.indexOf(item.href) > -1,
})),
};
} else if (config.sections) {
return {
...config,
sections: config.sections.map((section) => ({
...section,
items: section.items.map((item) => ({
...item,
active: filePathStem.indexOf(item.href) > -1,
})),
})),
};
}
}
);
eleventyConfig.addFilter("getScriptPath", function (inputPath) {
return inputPath.split("/").slice(1, -1).join("/") + "/script.js";
});
// Rebuild when a change is made to a component template file
eleventyConfig.addWatchTarget("src/moj/components/**/*.njk");
// Copy the docs images to the public assets dir
eleventyConfig.addPassthroughCopy( { "docs/assets/images/": "assets/images/"});
eleventyConfig.setServerPassthroughCopyBehavior('copy')
// Give gulp a little time..
eleventyConfig.setWatchThrottleWaitTime(100);
eleventyConfig.setServerOptions({
liveReload: true,
domDiff: false,
port: 8080,
// Reload once assets have been rebuilt by gulp
watch: [
'public/assets/stylesheets/application.css',
'public/assets/javascript/all.js'
],
// Show local network IP addresses for device testing
showAllHosts: true,
// Show the dev server version number on the command line
showVersion: true,
});
};