feat: Theme studio v2

toju-app/src/app/domains/theme/feature/theme-style-application.logic.ts

@@ -0,0 +1,14 @@
+export function toCssStylePropertyName(propertyName: string): string {
+  if (propertyName.startsWith('--')) {
+    return propertyName;
+  }
+
+  return propertyName.replace(/([A-Z])/g, '-$1').toLowerCase();
+}
+
+export function applyThemeStyleDeclaration(host: HTMLElement, propertyName: string, value: string): string {
+  const cssPropertyName = toCssStylePropertyName(propertyName);
+
+  host.style.setProperty(cssPropertyName, value);
+  return cssPropertyName;
+}