add: filling-all-the-missed-angle-brackets

Author: supercodestart

README.md

@@ -1,4 +1,5 @@
 # JavaScript Assessments
 
+- [Filling all the missed angle brackets](filling-all-the-missed-angle-brackets)
 - [Finding all the anagrams](finding-all-the-anagrams)
 - [Finding the maximum depth of a binary tree](finding-the-maximum-depth-of-a-binary-tree)

filling-all-the-missed-angle-brackets/README.md

@@ -0,0 +1,21 @@
+# Filling all the missed angle brackets
+
+e.g.:
+
+Input
+
+```console
+><<><
+```
+
+Output
+
+```console
+<>><<><>>
+```
+
+## Execute
+
+```bash
+node solution.js
+```

filling-all-the-missed-angle-brackets/solution.js

@@ -0,0 +1,18 @@
+const solution = (angles) => {
+  let missedAngles = angles;
+  while (/<>/.test(missedAngles)) {
+    missedAngles = missedAngles.replace(/<>/g, '');
+  }
+  const missedOpens = missedAngles.replace(/</g, '').length;
+  const missedCloses = missedAngles.replace(
+    />/g,
+    '',
+  ).length;
+  return `${'<'.repeat(missedOpens)}${angles}${'>'.repeat(
+    missedCloses,
+  )}`;
+};
+
+(() => {
+  console.log(solution('><<><'));
+})();