feat(mostRepeatedChar): algoritmo concluido

09-mostRepeatedChar/index.js

@@ -1,4 +1,17 @@
 export function mostUsedChar(text) {
     // implementar logica aqui
-    return ""
-}
+    var textCounts = {}
+    var maxKey = ''
+    for (var i = 0; i < text.length; i++) {
+        var key = text[i]
+        if (!textCounts[key]) {
+            textCounts[key] = 0
+        }
+        textCounts[key]++
+        if (maxKey === '' || textCounts[key] > textCounts[maxKey]) {
+            maxKey = key
+        }
+    }
+
+    return maxKey
+}