New modifier to allow converting rgba value to argb

ix.py

@@ -389,7 +389,7 @@ def rgb(value, alpha = None):
 
 
     @staticmethod
-    def hex(value, alpha = None):
+    def hex(value, alpha = None, argb = None):
         '''
         Take an rgb/rgba string and convert it to a hex representation
         of the same color. If a hex string is provided, it'll return the exact
@@ -406,8 +406,12 @@ def hex(value, alpha = None):
             # Give it back as it is if no overrides are specified
             if not alpha: return value
 
-            value = value[0:7]
-            return f'{value}{alpha}'
+            value = value[1:7]
+
+            if argb:
+                return f'#{alpha}{value}'
+
+            return f'#{value}{alpha}'
 
         a = value.startswith('rgba')
         value = value.split('(', 1).pop().rstrip(')').split(',')
@@ -419,6 +423,9 @@ def hex(value, alpha = None):
 
         if alpha: a = alpha
 
+        if argb:
+            return f'#{a}{r}{g}{b}'
+
         return f'#{r}{g}{b}{a}'
 
 

tests.py

@@ -266,6 +266,12 @@ def test_helper_colors(self):
         # hex rgba variable override
         self.assertTrue('#f2f2f266' in parsed)
 
+        # hex rgb to argb
+        self.assertTrue('#66f2f2f2' in parsed)
+
+        # hex rgba to argb
+        self.assertTrue('#66000000' in parsed)
+
 
     def test_helper_variable_format(self):
         import ix

tests/helpers_colors/main

@@ -60,4 +60,10 @@ hex from rgba variable
 #{{ hex [ colors.white-transparent ] }}
 
 hex rgba variable override
-#{{ hex [ colors.white-transparent ]; alpha: 0.4 }}
+#{{ hex [ colors.white-transparent ]; alpha: 0.4 }}
+
+hex rgb to argb
+#{{ hex [ colors.white-transparent ]; argb: true; alpha: 0.4 }}
+
+hex rgba to argb
+#{{ hex [ colors.black-transparent ]; argb: true; alpha: 0.4  }}