feat: zigzag fill easter egg (#6439)

src/components/ButtonIconSelect.tsx

@@ -1,33 +1,59 @@
 import clsx from "clsx";
 
 // TODO: It might be "clever" to add option.icon to the existing component <ButtonSelect />
-export const ButtonIconSelect = <T extends Object>({
-  options,
-  value,
-  onChange,
-  group,
-}: {
-  options: { value: T; text: string; icon: JSX.Element; testId?: string }[];
-  value: T | null;
-  onChange: (value: T) => void;
-  group: string;
-}) => (
+export const ButtonIconSelect = <T extends Object>(
+  props: {
+    options: {
+      value: T;
+      text: string;
+      icon: JSX.Element;
+      testId?: string;
+      /** if not supplied, defaults to value identity check */
+      active?: boolean;
+    }[];
+    value: T | null;
+    type?: "radio" | "button";
+  } & (
+    | { type?: "radio"; group: string; onChange: (value: T) => void }
+    | {
+        type: "button";
+        onClick: (
+          value: T,
+          event: React.MouseEvent<HTMLButtonElement, MouseEvent>,
+        ) => void;
+      }
+  ),
+) => (
   <div className="buttonList buttonListIcon">
-    {options.map((option) => (
-      <label
-        key={option.text}
-        className={clsx({ active: value === option.value })}
-        title={option.text}
-      >
-        <input
-          type="radio"
-          name={group}
-          onChange={() => onChange(option.value)}
-          checked={value === option.value}
+    {props.options.map((option) =>
+      props.type === "button" ? (
+        <button
+          key={option.text}
+          onClick={(event) => props.onClick(option.value, event)}
+          className={clsx({
+            active: option.active ?? props.value === option.value,
+          })}
           data-testid={option.testId}
-        />
-        {option.icon}
-      </label>
-    ))}
+          title={option.text}
+        >
+          {option.icon}
+        </button>
+      ) : (
+        <label
+          key={option.text}
+          className={clsx({ active: props.value === option.value })}
+          title={option.text}
+        >
+          <input
+            type="radio"
+            name={props.group}
+            onChange={() => props.onChange(option.value)}
+            checked={props.value === option.value}
+            data-testid={option.testId}
+          />
+          {option.icon}
+        </label>
+      ),
+    )}
   </div>
 );