From 978285021e1a19d13c03be28f8642550ed2637d1 Mon Sep 17 00:00:00 2001
From: ValdiANS <rvdans002@gmail.com>
Date: Mon, 29 Sep 2025 11:58:57 +0700
Subject: [PATCH] feat: add Collapse component

---
 src/components/Collapse.tsx | 132 ++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 src/components/Collapse.tsx

diff --git a/src/components/Collapse.tsx b/src/components/Collapse.tsx
new file mode 100644
index 00000000..d076888d
--- /dev/null
+++ b/src/components/Collapse.tsx
@@ -0,0 +1,132 @@
+import React, { useCallback, useId, useMemo, useState } from 'react';
+import { cn } from '@/lib/helper';
+
+export type CollapseVariant = 'default' | 'arrow' | 'plus';
+
+export type CollapseProps = {
+  /** Unique name used when `asRadio` is true (Accordion single-open). */
+  name?: string;
+  /** If provided, component is controlled. */
+  open?: boolean;
+  /** Initial open state for uncontrolled usage. */
+  defaultOpen?: boolean;
+  /** Callback when open state changes. */
+  onOpenChange?: (open: boolean) => void;
+  /** Title row content. Accepts string or custom node. */
+  title?: React.ReactNode;
+  /** Optional secondary text displayed under/next to title. */
+  subtitle?: React.ReactNode;
+  /** Content of the panel. */
+  children?: React.ReactNode;
+  /** Visual variant: default / arrow / plus */
+  variant?: CollapseVariant;
+  /** Add a bordered look */
+  bordered?: boolean;
+  /** Disable interactions */
+  disabled?: boolean;
+  /** Allow only one open at a time by switching to radio input */
+  asRadio?: boolean;
+  /** Extra classnames */
+  className?: string;
+  titleClassName?: string;
+  contentClassName?: string;
+};
+
+export const Collapse = ({
+  name,
+  open,
+  defaultOpen,
+  onOpenChange,
+  title,
+  subtitle,
+  children,
+  variant = 'default',
+  bordered,
+  disabled,
+  asRadio = false,
+  className,
+  titleClassName,
+  contentClassName,
+}: CollapseProps) => {
+  const inputId = useId();
+  const isControlled = typeof open === 'boolean';
+  const [internalOpen, setInternalOpen] = useState(!!defaultOpen);
+  const isOpen = isControlled ? !!open : internalOpen;
+
+  // Manage change from checkbox/radio
+  const handleChange = useCallback(
+    (next: boolean) => {
+      if (!isControlled) setInternalOpen(next);
+      onOpenChange?.(next);
+    },
+    [isControlled, onOpenChange]
+  );
+
+  const inputType = asRadio ? 'radio' : 'checkbox';
+
+  const rootClass = cn(
+    'collapse',
+    variant === 'arrow' && 'collapse-arrow',
+    variant === 'plus' && 'collapse-plus',
+    bordered && 'border base-content/20 border-opacity-20 rounded-box',
+    disabled && 'opacity-60 pointer-events-none',
+    className
+  );
+
+  const titleNode = useMemo(() => {
+    if (subtitle) {
+      return (
+        <div className='flex flex-col gap-0.5'>
+          <span>{title}</span>
+          <span className='text-sm opacity-70'>{subtitle}</span>
+        </div>
+      );
+    }
+    return <div>{title}</div>;
+  }, [title, subtitle]);
+
+  return (
+    <div className={rootClass} data-open={isOpen}>
+      <input
+        id={inputId}
+        type={inputType}
+        name={asRadio ? name : undefined}
+        className='peer p-0 hidden'
+        checked={isControlled ? isOpen : undefined}
+        defaultChecked={!isControlled ? isOpen : undefined}
+        onChange={(e) => handleChange(e.currentTarget.checked)}
+        aria-expanded={isOpen}
+        aria-controls={`${inputId}-content`}
+        disabled={disabled}
+      />
+
+      <div
+        role='button'
+        tabIndex={0}
+        className={cn(
+          'collapse-title p-0',
+          'focus:outline-none focus-visible:ring focus-visible:ring-primary/40',
+          titleClassName
+        )}
+        onKeyDown={(e) => {
+          if (e.key === 'Enter' || e.key === ' ') {
+            e.preventDefault();
+            handleChange(!isOpen);
+          }
+        }}
+        onClick={() => handleChange(!isOpen)}
+      >
+        {titleNode}
+      </div>
+
+      <div
+        id={`${inputId}-content`}
+        className={cn('collapse-content p-0!', contentClassName)}
+      >
+        {children}
+      </div>
+    </div>
+  );
+};
+
+export default Collapse;