Web/node/blog.js
Ell 9df7ecad8e
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fixed book headings being reduced in blog posts
2021-04-06 19:29:04 +02:00

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4 KiB
JavaScript

const {
JSDOM
} = require("jsdom");
const fs = require("fs");
const util = require("./util");
const converter = util.showdown(2);
const folder = `${__dirname}/../`;
console.log("Refreshing blog sub-sites...");
fs.readFile(`${folder}index.html`, function (_, html) {
let templateDom = new JSDOM(html);
// remove all non-blog stuff from the template (which is just our index.html)
let noBlog = templateDom.window.document.getElementsByClassName("no-blog");
while (noBlog.length > 0)
noBlog[0].parentNode.removeChild(noBlog[0]);
// change all relative links to move to the parent directory (since we're in blog/)
let elements = templateDom.window.document.getElementsByTagName("*");
for (let i = 0; i < elements.length; i++) {
let element = elements[i];
util.replaceRelativeLinks(element, "src");
util.replaceRelativeLinks(element, "href");
}
const template = templateDom.serialize();
fs.readFile(`${folder}blog/src/posts.json`, function (_, data) {
const json = JSON.parse(data.toString());
for (let i = 0; i < json.length; i++) {
const post = json[i];
const index = i;
const last = getAdjacentPost(json, index, -1);
const next = getAdjacentPost(json, index, 1);
let extension = post.book ? "html" : "md";
fs.readFile(`${folder}blog/src/${post.id}.${extension}`, function (_, file) {
let dom = new JSDOM(template);
let document = dom.window.document;
document.title += ` - ${post.name}`;
document.querySelector('meta[property="og:title"]').setAttribute("content", post.name);
document.querySelector('meta[name="description"]').setAttribute("content", post.summary);
document.querySelector('meta[property="og:description"]').setAttribute("content", post.summary);
document.getElementById("nav-items").innerHTML = /*html*/ `
<a class="nav-item nav-link" href="../#blog-${post.cat[0].toLowerCase().replace(" ", "-")}">Back to Main Page</a>
${last ? /*html*/ `<a class="nav-item nav-link" href="./${last.id}">Previous ${post.cat[0]} Post</a>` : ""}
${next ? /*html*/ `<a class="nav-item nav-link" href="./${next.id}">Next ${post.cat[0]} Post</a>` : ""}
`;
let content;
if (post.book) {
document.head.innerHTML += /*html*/ `<link rel="stylesheet" href="../style/book.css">`;
content = util.extractBookData(file, post, true);
} else {
content = converter.makeHtml(file.toString());
}
document.getElementById("main").innerHTML = /*html*/ `
<div class="list-display rounded">
<div class="blog-isolated">
<h1>${post.name}</h1>
${post.archived ? /*html*/ `<p><i>This post has been archived.</i></p>` : ""}
${content}
<span class="text-muted project-status blog-isolated-status">${post.date}</span>
${post.discuss ? /*html*/ `<a href="${post.discuss}" class="blog-discuss" id="blog-discuss-${post.id}">Discuss this post</a>` : ""}
</div>
</div>
`;
let ret = dom.serialize();
fs.mkdir(`${folder}blog`, function () {
fs.writeFile(`${folder}blog/${post.id}.html`, ret, function () {});
});
});
}
});
});
function getAdjacentPost(json, index, move) {
let cat = json[index].cat[0];
while (true) {
index += move;
let post = json[index];
if (!post)
break;
// only link to posts with the same main category
if (post.cat[0] === cat && !post.archived)
return post;
}
}