adds automation

Author: ishtms

.husky/pre-commit

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+node genIndex.js

Readme.tl

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+# Learn Node.js by building a backend framework - [Velocy](https://github.com/ishtms/velocy)
+
+<p align="center">
+  <img src="./assets/imgs/cover.jpg" alt="Learn nodejs the hard way" width="500">
+</p>
+
+You can access the current version of the book in the [chapters directory](/chapters) or in PDF format (both Light and Dark modes are available) by [clicking here](https://github.com/ishtms/learn-nodejs-hard-way/releases). Note that this version includes the current release of the content, and is not the final version.
+
+> This book is still in a very early stage. It contains an insignificant portion of the total content that the book is supposed to cover. There’s going to be 0 dependencies for our [backend framework](https://github.com/ishtms/velocy), as well as our [logging library](https://github.com/ishtms/logtar). Everything will be done using vanilla Node.js, the hard-way (the best way to learn).
+
+---
+
+## Note
+
+If you're not familiar with javascript, you may also check out my other repository - [Learn Javascript - The Easy Way](https://github.com/ishtms/learn-javascript-easy-way) that takes you on a deep and a fun journey into Javascript - from the very basics to the advanced concepts that you'd ever need, without diving into too much theory. Only practical code examples.
+
+---
+
+To master a new concept, it's often best to begin from the ground up. This isn't just another Node.js guide; it's a comprehensive, code-along experience aimed at building a real world product that may be used by thousands of developers. The product that we're going to build will be a backend framework, that too from scratch.
+
+You won't just learn how Node.js works, but also why it operates in a particular way. The guide also includes discussions on relevant data structures and design patterns.
+
+The book also includes a wide range of exercises specifically created to challenge you, that may require commitment and consistent effort on your part. The first exercises start from [chapter 7](/chapters/ch06.5-ex-implementing-a-trie.md)
+
+This guide goes beyond the basics. We're focused on delivering a modular, optimized backend framework that is close to being production-ready. Topics like performance optimization, security measures, and various testing approaches will be covered to ensure the framework is both reliable and extendable.
+
+I highly recommend actively coding alongside this guide, rather than just reading through it, for a full understanding of Node.js and its more intricate aspects.
+
+The repo for our backend framework- [Velocy](https://github.com/ishtms/velocy). (W.I.P)
+
+[![Read Next](/assets/imgs/next.png)](/chapters/ch01-what-is-a-web-server-anyway.md)
+
+# Table of contents
+
+{{toc}}

genIndex.js

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+const fs = require("fs");
+const path = require("path");
+const readline = require("readline");
+
+const rootDir = __dirname;
+const chaptersDir = path.join(rootDir, "chapters");
+const readmeTemplatePath = path.join(rootDir, "Readme.tl");
+const readmeOutputPath = path.join(rootDir, "Readme.md");
+
+async function generateTOC() {
+  const files = fs.readdirSync(chaptersDir).filter((file) => file.endsWith(".md") && file !== "Readme.md");
+  let toc = "# Table of contents\n\n";
+
+  for (const file of files) {
+    const filePath = path.join(chaptersDir, file);
+    const headings = await extractHeadings(filePath);
+    const relativePath = path.relative(rootDir, filePath).replace(/\\/g, "/");
+    toc += formatHeadings(headings, relativePath);
+  }
+
+  const templateContent = fs.readFileSync(readmeTemplatePath, "utf-8");
+  const outputContent = templateContent.replace("{{toc}}", toc);
+  fs.writeFileSync(readmeOutputPath, outputContent);
+
+  console.log("Table of contents generated successfully!");
+}
+
+async function extractHeadings(filePath) {
+  const fileStream = fs.createReadStream(filePath);
+  const rl = readline.createInterface({
+    input: fileStream,
+    crlfDelay: Infinity,
+  });
+
+  const headings = [];
+  let insideCodeBlock = false;
+
+  for await (const line of rl) {
+    if (line.trim().startsWith("```")) {
+      insideCodeBlock = !insideCodeBlock;
+    }
+
+    if (!insideCodeBlock) {
+      const match = line.match(/^(#{1,6})\s+(.*)/);
+      if (match) {
+        const level = match[1].length;
+        const text = match[2];
+        const anchor = text.toLowerCase().replace(/[^\w]+/g, "-");
+        headings.push({ level, text, anchor });
+      }
+    }
+  }
+
+  return headings;
+}
+
+function formatHeadings(headings, relativePath) {
+  let formatted = "";
+  for (const heading of headings) {
+    const indent = "  ".repeat(heading.level - 1);
+    const link = `${relativePath}#${heading.anchor}`;
+    formatted += `${indent}- [${heading.text}](${link})\n`;
+  }
+  return formatted;
+}
+
+generateTOC().catch((err) => console.error(err));