feat(whiskers): add css_* functions as filters

catppuccin · May 27, 2024 · 4057250 · 4057250
1 parent 6e70c09
commit 4057250
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diff --git a/whiskers/src/filters.rs b/whiskers/src/filters.rs
@@ -132,3 +132,39 @@ pub fn trunc(
     )?;
     Ok(tera::to_value(format!("{value:.places$}"))?)
 }
+
+pub fn css_rgb(
+    value: &tera::Value,
+    _args: &HashMap<String, tera::Value>,
+) -> Result<tera::Value, tera::Error> {
+    let color: Color = tera::from_value(value.clone())?;
+    let color: css_colors::RGB = (&color).into();
+    Ok(tera::to_value(color.to_string())?)
+}
+
+pub fn css_rgba(
+    value: &tera::Value,
+    _args: &HashMap<String, tera::Value>,
+) -> Result<tera::Value, tera::Error> {
+    let color: Color = tera::from_value(value.clone())?;
+    let color: css_colors::RGBA = (&color).into();
+    Ok(tera::to_value(color.to_string())?)
+}
+
+pub fn css_hsl(
+    value: &tera::Value,
+    _args: &HashMap<String, tera::Value>,
+) -> Result<tera::Value, tera::Error> {
+    let color: Color = tera::from_value(value.clone())?;
+    let color: css_colors::HSL = (&color).into();
+    Ok(tera::to_value(color.to_string())?)
+}
+
+pub fn css_hsla(
+    value: &tera::Value,
+    _args: &HashMap<String, tera::Value>,
+) -> Result<tera::Value, tera::Error> {
+    let color: Color = tera::from_value(value.clone())?;
+    let color: css_colors::HSLA = (&color).into();
+    Ok(tera::to_value(color.to_string())?)
+}
diff --git a/whiskers/src/templating.rs b/whiskers/src/templating.rs
@@ -50,6 +50,10 @@ pub fn make_engine() -> tera::Tera {
     tera.register_filter("urlencode_lzma", filters::urlencode_lzma);
     tera.register_filter("trunc", filters::trunc);
     tera.register_filter("mix", filters::mix);
+    tera.register_filter("css_rgb", filters::css_rgb);
+    tera.register_filter("css_rgba", filters::css_rgba);
+    tera.register_filter("css_hsl", filters::css_hsl);
+    tera.register_filter("css_hsla", filters::css_hsla);
     tera.register_function("if", functions::if_fn);
     tera.register_function("object", functions::object);
     tera.register_function("css_rgb", functions::css_rgb);
@@ -148,6 +152,26 @@ pub fn all_filters() -> Vec<Filter> {
             description: "Truncate a number to a certain number of places".to_string(),
             examples: vec![filter_example!(1.123456 | trunc(places=3) => "1.123")],
         },
+        Filter {
+            name: "css_rgb".to_string(),
+            description: "Convert a color to an RGB CSS string".to_string(),
+            examples: vec![filter_example!(red | css_rgb => "rgb(210, 15, 57)")],
+        },
+        Filter {
+            name: "css_rgba".to_string(),
+            description: "Convert a color to an RGBA CSS string".to_string(),
+            examples: vec![filter_example!(red | css_rgba => "rgba(210, 15, 57, 1.00)")],
+        },
+        Filter {
+            name: "css_hsl".to_string(),
+            description: "Convert a color to an HSL CSS string".to_string(),
+            examples: vec![filter_example!(red | css_hsl => "hsl(347, 87%, 44%)")],
+        },
+        Filter {
+            name: "css_hsla".to_string(),
+            description: "Convert a color to an HSLA CSS string".to_string(),
+            examples: vec![filter_example!(red | css_hsla => "hsla(347, 87%, 44%, 1.00)")],
+        },
     ]
 }