Update fs_demo.js

reference/fs_demo.js

@@ -117,4 +117,37 @@ fs.readdir(__dirname, (err, files) => {
 fs.copyFile('source.txt', 'destination.txt', err => {
   if (err) throw err;
   console.log('File copied...')
-})
+})
+
+// Delete a folder
+// first, check the existence of the folder
+// if it doesnt exist, create it, otherwise delete it
+// create a folder "myRepo"
+if (!fs.existsSync) {
+    fs.mkdir(path.join(__dirname, '/myRepo'), {}, err => {
+        if (err) throw err
+        console.log('folder created successfully..')
+    })    
+}else{
+    fs.rmdir(path.join(__dirname, "/myRepo"), err =>{
+        if (err) throw err
+        console.log("folder deleted...")
+    })
+}
+
+// Delete a file
+// first, create an index.txt file in the test folder
+// then you can check for the file existence and remove it if it exists
+if (!fs.existsSync) {
+    fs.writeFile(path.join(__dirname, '/test', 'index.txt'), {}, err => {
+        if (err) throw err
+        console.log('file created successfully..')
+    })    
+}else{
+    fs.unlink(path.join(__dirname, "/test", "index.txt"), err => {
+        if (err) throw err
+        console.log("file deleted..")
+    })  
+}
+
+

reference/url_demo.js

@@ -6,6 +6,9 @@ const url = require('url');
 
 const myUrl = new URL('http://mywebsite.com/hello.html?id=100&status=active');
 
+// let's instantiate an indexUrl object
+const indexUrl = new URL("https://example:[email protected]#foo")
+
 // Serialized URL
 console.log(myUrl.href);
 console.log(myUrl.toString());
@@ -31,3 +34,38 @@ console.log(myUrl.searchParams);
 
 // Loop through params
 myUrl.searchParams.forEach((value, name) => console.log(`${name}: ${value}`));
+
+// get the password of the url
+console.log(indexUrl.password)
+
+// to set the password portion of the url
+indexUrl.password = "abc"
+console.log(indexUrl.href)
+
+// get the fragment portion of the url
+console.log(indexUrl.hash)
+
+// set the fragment portion of the url
+indexUrl.hash = "bar"
+console.log(indexUrl.href)
+
+// to get the serialised url origin
+console.log(indexUrl.origin)
+
+// to set the pathname of the url
+indexUrl.pathname = "fr"
+console.log(indexUrl.href)
+
+// get the url protocol
+console.log(indexUrl.protocol)
+
+// to set url protocol
+indexUrl.protocol = "ftp"
+console.log(indexUrl.href)
+
+// to get the username portion
+console.log(indexUrl.username)
+
+// to set the username portion
+indexUrl.username = "sample"
+console.log(indexUrl.href)