From e66f29ff85392e3c06e9033e37ead06a9d9d5daa Mon Sep 17 00:00:00 2001
From: Tom Smeding <tom.smeding@gmail.com>
Date: Thu, 18 Jun 2020 21:48:33 +0200
Subject: Add blog

---
 modules/blog/template.js | 56 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 modules/blog/template.js

(limited to 'modules/blog/template.js')

diff --git a/modules/blog/template.js b/modules/blog/template.js
new file mode 100644
index 0000000..1f26e82
--- /dev/null
+++ b/modules/blog/template.js
@@ -0,0 +1,56 @@
+const fs = require("fs").promises;
+
+const pathRoot = "blog";
+
+async function recursiveTree(dir) {
+	const res = new Map();
+
+	const entries = await fs.readdir(dir, { withFileTypes: true });
+	for (const entry of entries) {
+		if (entry.name[0] == ".") continue;
+
+		if (entry.isDirectory()) {
+			res.set(entry.name, await recursiveTree(dir + "/" + entry.name));
+		} else if (entry.isFile() && entry.name.endsWith(".html")) {
+			res.set(entry.name.slice(0, entry.name.length - 5), true);
+		}
+	}
+
+	return res;
+}
+
+function generateTree(tree, path) {
+	let out = "";
+
+	for (const [entry, sub] of tree) {
+		if (sub === true) {  // file
+			const elt = `<div class="tree-node tree-file"><a href="/${path}/${entry}">${entry}</a></div>\n`;
+			out += elt;
+		} else {  // subdirectory
+			out += '<div class="tree-node tree-dir">\n';
+			out += `<span class="tree-dir-name">${entry}/</span>\n`;
+			out += '<div class="tree-sub">\n';
+			out += generateTree(sub, path + "/" + entry);
+			out += "</div></div>\n";
+		}
+	}
+
+	return out;
+}
+
+async function template(repodir, contentPath) {
+	const tree = await recursiveTree(repodir);
+	tree.delete("index");
+
+	let html = await fs.readFile(repodir + "/index.html", { encoding: "utf-8" });
+
+	html = html.replace("<!-- REPLACE TREE -->", generateTree(tree, pathRoot));
+	if (contentPath) {
+		const content = await fs.readFile(repodir + "/" + contentPath, { encoding: "utf-8" });
+		html = html.replace("<!-- REPLACE CONTENT -->", content);
+	}
+
+	return html;
+}
+
+module.exports = template;
-- 
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