Added alpha channel testing

Author: PhoneDroid

Source/Sources/HSL.js

@@ -1,12 +1,13 @@
 
 const { min , max , round } = Math;
 
-
 const offsets = [ 0 , 8 , 4 ];
 
 
 function toRGB([ Hue , Saturation , Lightness ]){
 
+    //  [ 0 - 100 ] -> [ 0 - 1 ]
+    
     Saturation *= 0.01;
     Lightness *= 0.01;
 
@@ -16,7 +17,11 @@ function toRGB([ Hue , Saturation , Lightness ]){
 
     const a = Saturation * min(Lightness,1 - Lightness);
 
-    return offsets.map((offset) => {
+    return offsets
+        .map(toChannel);
+    
+    
+    function toChannel ( offset ){
 
         offset += Hue;
 
@@ -47,7 +52,7 @@ function toRGB([ Hue , Saturation , Lightness ]){
         //  To Int
 
         return round(offset);
-    });
+    }
 }
 
 
@@ -56,13 +61,6 @@ function toRGB([ Hue , Saturation , Lightness ]){
  */
 
 export default function fromHSL ( colors ){
-    
-    const rgb = toRGB(colors);
-
-    const alpha = colors[3];
-
-    if(alpha)
-        rgb.push(alpha);
-
-    return rgb;
+    return toRGB(colors)
+        .concat(colors.splice(3,1));
 }

Tests/HSL.test.js

@@ -2,7 +2,14 @@
 import { assertHSLIsRGB } from 'AssertColor'
 
 
-Deno.test('HSL Array Conversion',() => {
+Deno.test('HSL array conversion retains alpha',() => {
+
+    assertHSLIsRGB([ 0 , 0 , 0 , 64 ],[ 0 , 0 , 0 , 64 ]);
+    
+})
+
+
+Deno.test('HSL array conversion works',() => {
 
     //  Black
 

Tests/Hex.test.js

@@ -2,6 +2,13 @@
 import { assertHexIsRGB } from 'AssertColor'
 
 
+Deno.test('Hex string conversion retains alpha',() => {
+    
+    assertHexIsRGB('#00000040',[ 0 , 0 , 0 , 64 ]);
+    
+})
+
+
 Deno.test('Hex String Conversion',() => {
 
     //  Black
@@ -33,6 +40,6 @@ Deno.test('Hex String Conversion',() => {
 
     assertHexIsRGB('',null);
     assertHexIsRGB('#XXXXXX',null);
-    assertHexIsRGB('#000000XX',null);
+    assertHexIsRGB('#00000000XX',null);
 
 })