Web/node/blog.js

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const {
JSDOM
} = require("jsdom");
const fs = require("fs");
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const converter = require("./showdown")(2);
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module.exports = function () {
let folder = __dirname + "/../";
createBlogPages(folder);
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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...");
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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();
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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];
fs.readFile(folder + "blog/" + post.id + ".md", function (_, content) {
let dom = new JSDOM(template);
var document = dom.window.document;
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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>';
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if (i > 0)
nav += '<a class="nav-item nav-link" href="/blog-' + json[i - 1].id + '">Previous Post</a>';
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if (i < json.length - 1)
nav += '<a class="nav-item nav-link" href="/blog-' + json[i + 1].id + '">Next Post</a>';
document.getElementById("nav-items").innerHTML = nav;
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var c = "";
c += '<div class="list-display rounded">';
c += '<div class="blog-isolated">'
c += '<h1>' + post.name + '</h1>';
c += '<div id="blog-post-' + 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-' + post.id + '">Discuss this post</a>'
c += '</div></div>';
document.getElementById("main").innerHTML = c;
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let html = dom.serialize();
fs.writeFile(folder + "blog-" + post.id + ".html", html, function (_, _) {});
});
}
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});
});
}