reverting reverse sequence string

TeselaGen · Jun 15, 2022 · c6d714c · c6d714c
1 parent 8e71974
commit c6d714c
Showing 1 changed file with 11 additions and 2 deletions.
diff --git a/src/getReverseSequenceString.js b/src/getReverseSequenceString.js
@@ -1,3 +1,12 @@
-module.exports = function getReverseSequenceString(s) {
-  return [...s].reverse().join("");
+module.exports = function getReverseSequenceString(sequence) {
+  let reverseSequenceString = "";
+  for (let i = sequence.length - 1; i >= 0; i--) {
+    let revChar = sequence[i];
+    if (!revChar) {
+      revChar = sequence[i];
+      // throw new Error('trying to get the reverse of an invalid base');
+    }
+    reverseSequenceString += revChar;
+  }
+  return reverseSequenceString;
 };