seog-jun · sshah135 · Sep 22, 2023 · Sep 22, 2023 · Sep 22, 2023 · Sep 22, 2023
diff --git a/README.md b/README.md
@@ -309,6 +309,7 @@ $ ts-node src/index.ts -input examples --stylesheet https://cdn.jsdelivr.net/npm
   </html>
 ```
 ```html
+
 ./til/text2.html
 
 <!doctype html>
@@ -328,6 +329,38 @@ $ ts-node src/index.ts -input examples --stylesheet https://cdn.jsdelivr.net/npm
   </html>
 ```
 
+#### Example to convert Markdown file to HTML file
+
+```bash
+ts-node src/index.ts -i examples/text3.md
+```
+
+```bash
+./til/text3.html
+
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>HTML Format</title>
+</head>
+<body>
+    <p>This is a paragraph of text in <strong>HTML</strong>.</p>
+    <p><em>This is italic text.</em></p>
+    <p><strong>This is bold text.</strong></p>
+    <p><em><strong>This is italic and bold text.</strong></em></p>
+</body>
+</html>
+
+```
+
+#### To convert Markdown Directory to html file
+
+```bash
+ts-node src/index.ts -i example -o til
+```
+
 ## License
 
 [MIT](https://github.com/seog-jun/til-tool/blob/main/LICENSE)
diff --git a/example/t.md b/example/t.md
@@ -0,0 +1,7 @@
+This is a paragraph of text in **Markdown**.
+
+*This is italic text.*
+
+**This is bold text.**
+
+***This is italic and bold text.***
diff --git a/examples/text3.html b/examples/text3.html
@@ -0,0 +1,14 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>HTML Format</title>
+</head>
+<body>
+    <p>This is a paragraph of text in <strong>HTML</strong>.</p>
+    <p><em>This is italic text.</em></p>
+    <p><strong>This is bold text.</strong></p>
+    <p><em><strong>This is italic and bold text.</strong></em></p>
+</body>
+</html>
diff --git a/examples/text3.md b/examples/text3.md
@@ -0,0 +1,7 @@
+This is a paragraph of text is in **Markdown**.
+
+*This is italic text.*
+
+**This is bold text.**
+
+***This is italic and bold text.***
diff --git a/src/index.ts b/src/index.ts
@@ -27,6 +27,19 @@ const inputValue = program.opts().input;
 const outputValue = program.opts().output;
 const styleValue = program.opts().stylesheet;
 
+//to support both file and directory for input - md file 
+// to differentiate between file and directory
+
+if (!inputValue) {
+  console.error("Input file or directory is required.");
+  process.exit(1); // Exit with an error code
+}
+
+if (!fs.existsSync(inputValue)) {
+  console.error("Input file or directory does not exist.");
+  process.exit(1); // Exit with an error code
+}
+
 if (options.input) {
   fs.rmSync(path.join(__dirname, `../til`), { recursive: true, force: true });
   fs.mkdirSync(path.join(__dirname, `../til`));

diff --git a/src/utility/writeFile.ts b/src/utility/writeFile.ts
@@ -1,3 +1,4 @@
+import fs from 'fs';
 export function htmlCreator(
   line: string[],
   title: string,
@@ -26,3 +27,60 @@ export function htmlCreator(
   </html>`;
   return htmlString;
 }
+// lab 2
+// Function to convert Markdown to HTML
+function markdownToHTML(markdownText: string): string {
+  // Replace italic and bold markdown with HTML tags
+  markdownText = markdownText.replace(/(\*{1,2})([^\*]+)\1/g, '<$1>$2</$1>');
+
+  // You can add more Markdown to HTML conversions here as needed
+
+  return markdownText;
+}
+
+// Function to create HTML from content
+function createHTMLContent(content: string, title: string, stylesheetURL: string = ""): string {
+  const htmlString = `<!doctype html>
+    <html lang="en">
+    <head>
+      <meta charset="utf-8">
+      <title>${title}</title>
+      <meta name="viewport" content="width=device-width, initial-scale=1">
+      ${
+        stylesheetURL === ""
+          ? ""
+          : `<link rel="stylesheet" href="${stylesheetURL}">`
+      }
+    </head>
+    <body>
+      ${content}
+    </body>
+    </html>`;
+
+  return htmlString;
+}
+
+// Function to create HTML from a file (supporting both .md and .txt)
+
+export function htmlCreatorFromFile(
+  filePath: string,
+  title: string,
+  stylesheetURL: string = ""
+): string {
+  const fileExtension = filePath.slice(((filePath.lastIndexOf(".") - 1) >>> 0) + 2);
+
+  if (fileExtension === 'txt') {
+    // Read and process .txt file
+    const fileContent = fs.readFileSync(filePath, 'utf-8');
+    return createHTMLContent(fileContent, title, stylesheetURL);
+  } else if (fileExtension === 'md') {
+    // Read and process .md file with Markdown to HTML conversion
+    const fileContent = fs.readFileSync(filePath, 'utf-8');
+    const htmlContent = markdownToHTML(fileContent);
+
+    return createHTMLContent(htmlContent, title, stylesheetURL);
+  } else {
+    throw new Error(`Unsupported file extension: .${fileExtension}`);
+  }
+}
+