Web/node/blog.js

75 lines
No EOL
3 KiB
JavaScript

const {
JSDOM
} = require("jsdom");
const fs = require("fs");
const showdown = require("showdown");
require("./showdown-prettify");
require("./showdown-footnotes");
const converter = new showdown.Converter({
parseImgDimensions: true,
headerLevelStart: 2,
extensions: ["prettify", "footnotes"]
});
module.exports = function () {
let folder = __dirname + "/../";
createBlogPages(folder);
fs.watchFile(folder + "blog/posts.json", function (curr, prev) {
if (curr.mtime == prev.mtime)
return;
createBlogPages(folder);
});
}
function createBlogPages(folder) {
console.log("Refreshing blog sub-sites...");
fs.readFile(folder + "index.html", function (_, data) {
// set up the template
let templateDom = new JSDOM(data);
var templateDoc = templateDom.window.document;
templateDoc.getElementById("main").innerHTML = "";
let template = templateDom.serialize();
fs.readFile(folder + "blog/posts.json", function (_, data) {
let json = JSON.parse(data);
for (let i = 0; i < json.length; i++) {
let post = json[i];
let id = post["id"];
fs.readFile(folder + "blog/" + id + ".md", function (_, content) {
let dom = new JSDOM(template);
var 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"]);
var nav = "";
nav += '<a class="nav-item nav-link" href="/#blog">Back to Main Page</a>';
nav += '<script src="scripts/blog-nav.js"></script>';
document.getElementById("nav-items").innerHTML = nav;
var c = "";
c += '<div class="list-display rounded">';
c += '<div class="blog-isolated">'
c += '<h1>' + post["name"] + '</h1>';
c += '<div id="blog-post-' + id + '">'
c += converter.makeHtml(content.toString());
c += '</div>';
c += '<span class="text-muted project-status blog-isolated-status">' + post["date"] + "</span>";
var discussLink = post["discuss"];
if (discussLink)
c += '<a href="' + discussLink + '" class="blog-discuss" id="blog-discuss-' + id + '">Discuss this post</a>'
c += '</div></div>';
document.getElementById("main").innerHTML = c;
let html = dom.serialize();
fs.writeFile(folder + "blog-" + id + ".html", html, function (_, _) {});
});
}
});
});
}