tower and reduce js code

reduce/reduce.js

+const dataset = [
+    'red',
+    'blue',
+    'black',
+    'red',
+    'red',
+    'black',
+    'black',
+    'red',
+    'black',
+    'red',
+    'red',
+    'red',
+    'red',
+    'black',
+    'red',
+    'blue',
+    'red',
+    'blue',
+    'red',
+    'red',
+    'blue',
+    'red',
+    'blue',
+    'red',
+    'red',
+    'red',
+    'blue',
+    'red',
+    'purple',
+    'red',
+    'red',
+];
+
+const reducer = (acc,currentValue ) => {
+    //console.log(acc,currentValue)
+    if(acc[currentValue]){
+        acc[currentValue]++
+    }else{
+        acc[currentValue] = 1
+    }
+    return acc
+}
+
+const result = dataset.reduce(reducer,{})
+console.log(result)
+
+dataset.map(v => console.log(v))
\ No newline at end of file

tower/tower.js

+const height = process.argv[2] || 10;
+
+console.log('Hello CLI',height);
+
+// console.log('*');
+// console.log('***');
+// console.log('*****');
+
+// Helpful formula: x * 2 - 1
+
+const bottomlayer = height * 2 - 1;
+
+for (let layer = 1; layer <=  height; layer++) {
+    const stones =   layer * 2 -1 ;
+    const air = (bottomlayer - stones) / 2;
+    console.log(''.repeat(air) + '#'.repeat(stones) + ''.repeat(air));
+
+}
+
+
+
+
+