feat: Timeline UI (#2830)

web/src/components/BubbleButton.tsx

@@ -0,0 +1,45 @@
+import { h } from 'preact';
+
+interface BubbleButtonProps {
+  variant?: 'primary' | 'secondary';
+  children?: preact.JSX.Element;
+  disabled?: boolean;
+  className?: string;
+  onClick?: () => void;
+}
+
+export const BubbleButton = ({
+  variant = 'primary',
+  children,
+  onClick,
+  disabled = false,
+  className = '',
+}: BubbleButtonProps) => {
+  const BASE_CLASS = 'rounded-full px-4 py-2';
+  const PRIMARY_CLASS = 'text-white bg-blue-500 dark:text-black dark:bg-white';
+  const SECONDARY_CLASS = 'text-black dark:text-white bg-transparent';
+  let computedClass = BASE_CLASS;
+
+  if (disabled) {
+    computedClass += ' text-gray-200 dark:text-gray-200';
+  } else if (variant === 'primary') {
+    computedClass += ` ${PRIMARY_CLASS}`;
+  } else if (variant === 'secondary') {
+    computedClass += ` ${SECONDARY_CLASS}`;
+  }
+
+  const onClickHandler = () => {
+    if (disabled) {
+      return;
+    }
+
+    if (onClick) {
+      onClick();
+    }
+  };
+  return (
+    <button onClick={onClickHandler} className={`${computedClass} ${className}`}>
+      {children}
+    </button>
+  );
+};