feat: add hsl and hsla functions

chasefleming · Apr 29, 2024 · 1280ce3 · 1280ce3
1 parent 1ce4b47
commit 1280ce3
Show file tree

Hide file tree

Showing 2 changed files with 42 additions and 0 deletions.
diff --git a/styles/utils.go b/styles/utils.go
@@ -128,3 +128,30 @@ func Seconds(value float64) string {
 func Milliseconds(value int) string {
 	return strconv.Itoa(value) + "ms"
 }
+
+func HSL(hue, saturation, lightness int) string {
+	var builder strings.Builder
+	builder.WriteString("hsl(")
+	builder.WriteString(strconv.FormatInt(int64(hue), 10))
+	builder.WriteString(",")
+	builder.WriteString(strconv.FormatInt(int64(hue), 10))
+	builder.WriteString("%,")
+	builder.WriteString(strconv.FormatInt(int64(hue), 10))
+	builder.WriteString("%")
+	builder.WriteString(")")
+	return builder.String()
+}
+
+func HSLA(hue, saturation, lightness int, alpha float64) string {
+	var builder strings.Builder
+	builder.WriteString("hsla(")
+	builder.WriteString(strconv.FormatInt(int64(hue), 10))
+	builder.WriteString(",")
+	builder.WriteString(strconv.FormatInt(int64(hue), 10))
+	builder.WriteString("%,")
+	builder.WriteString(strconv.FormatInt(int64(hue), 10))
+	builder.WriteString("%,")
+	builder.WriteString(strconv.FormatFloat(alpha, 'f', 2, 64))
+	builder.WriteString(")")
+	return builder.String()
+}
diff --git a/styles/utils_test.go b/styles/utils_test.go
@@ -166,3 +166,18 @@ func TestMilliseconds(t *testing.T) {
 	assert.Equal(t, "0ms", Milliseconds(0))
 	assert.Equal(t, "110ms", Milliseconds(110))
 }
+
+func TestHSL(t *testing.T) {
+	assert.Equal(t, "hsl(100,100%,100%)", HSL(100, 100, 100))
+	assert.Equal(t, "hsl(0,0%,0%)", HSL(0, 0, 0))
+	assert.Equal(t, "hsl(50,50%,50%)", HSL(50, 50, 50))
+	assert.Equal(t, "hsl(25,25%,25%)", HSL(25, 25, 25))
+}
+
+func TestHSLA(t *testing.T) {
+	assert.Equal(t, "hsla(100,100%,100%,1.00)", HSLA(100, 100, 100, 1))
+	assert.Equal(t, "hsla(0,0%,0%,0.10)", HSLA(0, 0, 0, 0.1))
+	assert.Equal(t, "hsla(50,50%,50%,0.50)", HSLA(50, 50, 50, 0.5000))
+	assert.Equal(t, "hsla(25,25%,25%,0.25)", HSLA(25, 25, 25, 0.2500))
+	assert.Equal(t, "hsla(25,25%,25%,0.00)", HSLA(25, 25, 25, 0))
+}