Chapter 2: standard and review edits

Chapter02/working-with-files/readWriteAsync2.js

@@ -1,20 +1,22 @@
-const fs = require('fs');
+const fs = require('fs')
 const path = require('path')
 
-const filepath = path.join(process.cwd(), 'hello.txt');
+const filepath = path.join(process.cwd(), 'hello.txt')
 
 fs.readFile(filepath, 'utf8', function (err, contents) {
-    if (err) {
-        return console.log(err);
-    }
-    console.log("File Contents:", contents);
-    contents = contents.toUpperCase();
-    updateFile(filepath, contents);
-});
+  if (err) {
+    return console.log(err)
+  }
+  console.log('File Contents:', contents)
+  const upperContents = contents.toUpperCase()
+  setTimeout(() => updateFile(filepath, upperContents), 10)
+})
 
 function updateFile(filepath, contents) {
-    fs.writeFile(filepath, contents, function (err) {
-        if (err) throw err;
-        console.log("File updated.");
-    });
-};
+  fs.writeFile(filepath, contents, function (err) {
+    if (err) throw err
+    console.log('File updated.')
+  })
+}
+
+setInterval(() => process.stdout.write('**** \n'), 1).unref()