Adding error variants for the violence page

frontend/src/errors.rs

@@ -2,17 +2,38 @@
 
 use thiserror::Error;
 use wasm_bindgen::JsValue;
+use web_sys::{Element, HtmlTableElement};
 
 /// Contains all error variants that may be raised.
 #[derive(Debug, Error)]
 pub enum StaccError {
-    /// Something fucked up while setting the background GIF.
-    #[error("Could not modify the document.body style: {0:#?}")]
-    SetBackgroundError(JsValue),
+    /// Something fucked up while interacting with `Element`s.
+    #[error("Element error: {0:#?}")]
+    ElementError(Element),
+
+    /// Something fucked up while interacting with `HtmlTableElement`s.
+    #[error("HtmlTableElement error: {0:#?}")]
+    HtmlTableElementError(HtmlTableElement),
+
+    /// Something fucked up while interacting with `JsValue`s.
+    #[error("JsValue error: {0:#?}")]
+    JsValueError(JsValue),
+}
+
+impl From<Element> for StaccError {
+    fn from(element: Element) -> Self {
+        StaccError::ElementError(element)
+    }
+}
+
+impl From<HtmlTableElement> for StaccError {
+    fn from(html_table_element: HtmlTableElement) -> Self {
+        StaccError::HtmlTableElementError(html_table_element)
+    }
 }
 
 impl From<JsValue> for StaccError {
     fn from(js_value: JsValue) -> Self {
-        StaccError::SetBackgroundError(js_value)
+        StaccError::JsValueError(js_value)
     }
 }