stricter syntax

index.js

@@ -1,29 +1,29 @@
 const readline = require('readline').createInterface({
     input: process.stdin,
     output: process.stdout
-})
+});
 
 function dec_to_base() {
     readline.question(`Enter a number to convert: `, num => {
-        num = parseInt(num)
+        num = parseInt(num);
         readline.question(`Enter a number new base: `, base => {
-            base = parseInt(base)
+            base = parseInt(base);
             try {
-                new_num = num.toString(base)
+                new_num = num.toString(base);
                 console.log(`\nBASE 10: ${num} ==> BASE ${base}: ${new_num}`);
             } catch (RangeError) {
                 console.log(`Base is not in the range of 2 to 36.\nExiting...`);
             } finally {
-                readline.close()
+                readline.close();
-            }
+            };
-        })
+        });
-    })
+    });
-}
+};
 
 function base_to_dec() {
     readline.question(`Enter a number to convert: `, num => {
         readline.question(`Enter the number's base: `, base => {
-            base = parseInt(base)
+            base = parseInt(base);
             try {
                 new_num = parseInt(num, base);
                 console.log(`\nBASE ${base}: ${num} ==> BASE 10: ${new_num}`);
@@ -31,53 +31,53 @@ function base_to_dec() {
                 console.log(`Base is not in the range of 2 to 36.\nExiting...`);
             }
             finally {
-                readline.close()
+                readline.close();
-            }
+            };
-        })
+        });
-    })
+    });
-}
+};
 
 function base_to_base() {
     readline.question(`Enter a number to convert: `, num => {
         readline.question(`Enter the number's base: `, base => {
-            base = parseInt(base)
+            base = parseInt(base);
             readline.question(`Enter a number new base: `, new_base => {
-                new_base = parseInt(new_base)
+                new_base = parseInt(new_base);
                 try {
-                    dec_num = parseInt(num, base);
+                    let dec_num = parseInt(num, base);
-                    new_num = dec_num.toString(new_base)
+                    let new_num = dec_num.toString(new_base);
                     console.log(`\nBASE ${base}: ${num} ==> BASE ${new_base}: ${new_num}`);
                 } catch (RangeError) {
                     console.log(`One or more bases is not in the range of 2 to 36.\nExiting...`);
                 }
                 finally {
-                    readline.close()
+                    readline.close();
-                }
+                };
-            })
+            });
-        })
+        });
-    })
+    });
-}
+};
 
 readline.question(`Choose an option:\n\n1) decimal to any base\n2) any base to decimal\n3) any base to any base\n`, choice => {
     if (choice * 1.0) {
         choice = parseInt(choice);
         switch (choice) {
             case 1:
-                dec_to_base()
+                dec_to_base();
                 break;
             case 2:
-                base_to_dec()
+                base_to_dec();
                 break;
             case 3:
-                base_to_base()
+                base_to_base();
                 break;
             default:
-                console.log("Please choose a proper entry.")
+                console.log("Please choose a proper entry.");
-                readline.close()
+                readline.close();
                 break;
-        }
+        };
     } else {
-        console.log("Please enter a number.")
+        console.log("Please enter a number.");
-        readline.close()
+        readline.close();
-    }
+    };
-})
+});