refactor color ternary

Author: a-hariti

src/helpers.ts

@@ -54,9 +54,10 @@ export const getCounts = (data: Uint8ClampedArray, ignore: string[]): [] => {
     // skip undefined data
     if (rgbComponents.indexOf(undefined) !== -1) continue
 
-    color = alpha && alpha !== 255
-      ? `rgba(${[...rgbComponents, alpha].join(',')})`
-      : `rgb(${rgbComponents.join(',')})`
+    color = `rgba(${(alpha && alpha !== 255
+      ? rgbComponents
+      : [...rgbComponents, alpha]
+    ).join(',')})`
 
     // skip colors in the ignore list
     if (ignore.indexOf(color) !== -1) continue