"use client";

import * as React from "react";

import { cn } from "@/lib/utils";

export type DrawerSide = "left" | "right" | "top" | "bottom";

export interface DrawerProps extends React.HTMLAttributes<HTMLDivElement> {
  title?: string;
  description?: string;
  side?: DrawerSide;
  open?: boolean;
  defaultOpen?: boolean;
  onOpenChange?: (open: boolean) => void;
  triggerLabel?: string;
  trigger?: React.ReactNode;
  footer?: React.ReactNode;
}

export function Drawer({
  title = "Drawer",
  description,
  side = "right",
  open,
  defaultOpen = false,
  onOpenChange,
  triggerLabel = "Open drawer",
  trigger,
  footer,
  className,
  children,
  ...props
}: DrawerProps) {
  const [internalOpen, setInternalOpen] = React.useState(defaultOpen);
  const isControlled = open !== undefined;
  const isOpen = isControlled ? open : internalOpen;

  const setOpen = React.useCallback(
    (value: boolean) => {
      if (!isControlled) {
        setInternalOpen(value);
      }
      onOpenChange?.(value);
    },
    [isControlled, onOpenChange]
  );

  React.useEffect(() => {
    if (!isOpen) {
      return undefined;
    }

    const handleKeyDown = (event: KeyboardEvent) => {
      if (event.key === "Escape") {
        setOpen(false);
      }
    };

    document.addEventListener("keydown", handleKeyDown);
    return () => document.removeEventListener("keydown", handleKeyDown);
  }, [isOpen, setOpen]);

  React.useEffect(() => {
    if (!isOpen) {
      return undefined;
    }

    const originalOverflow = document.body.style.overflow;
    document.body.style.overflow = "hidden";

    return () => {
      document.body.style.overflow = originalOverflow;
    };
  }, [isOpen]);

  const triggerElement = React.useMemo(() => {
    if (trigger) {
      if (React.isValidElement(trigger)) {
        const triggerElement = trigger as React.ReactElement<{
          onClick?: React.MouseEventHandler;
        }>;
        const existingOnClick = triggerElement.props.onClick;

        return React.cloneElement(triggerElement, {
          onClick: (event: React.MouseEvent) => {
            existingOnClick?.(event);
            setOpen(true);
          },
        });
      }

      return (
        <button
          type="button"
          onClick={() => setOpen(true)}
          className={cn(
            "inline-flex items-center gap-2 rounded-md border border-border",
            "bg-background px-4 py-2 text-sm font-medium text-foreground",
            "transition-colors hover:bg-muted",
            "focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-border"
          )}
        >
          {trigger}
        </button>
      );
    }

    if (!triggerLabel) {
      return null;
    }

    return (
      <button
        type="button"
        onClick={() => setOpen(true)}
        className={cn(
          "inline-flex items-center gap-2 rounded-md border border-border",
          "bg-background px-4 py-2 text-sm font-medium text-foreground",
          "transition-colors hover:bg-muted",
          "focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-border"
        )}
      >
        {triggerLabel}
      </button>
    );
  }, [trigger, triggerLabel, setOpen]);

  const panelPosition: Record<DrawerSide, string> = {
    left: "left-0 top-0 h-full w-80 max-w-[85vw]",
    right: "right-0 top-0 h-full w-80 max-w-[85vw]",
    top: "left-0 top-0 h-80 max-h-[80vh] w-full",
    bottom: "left-0 bottom-0 h-80 max-h-[80vh] w-full",
  };

  const panelHidden: Record<DrawerSide, string> = {
    left: "-translate-x-full",
    right: "translate-x-full",
    top: "-translate-y-full",
    bottom: "translate-y-full",
  };

  return (
    <div className={cn("inline-flex", className)} {...props}>
      {triggerElement}

      <div
        className={cn(
          "fixed inset-0 z-50 transition",
          isOpen ? "pointer-events-auto" : "pointer-events-none"
        )}
        aria-hidden={!isOpen}
      >
        <div
          className={cn(
            "absolute inset-0 bg-background/80 transition-opacity",
            isOpen ? "opacity-100" : "opacity-0"
          )}
          onClick={() => setOpen(false)}
        />

        <div
          role="dialog"
          aria-modal="true"
          className={cn(
            "absolute flex flex-col border border-border bg-card shadow-lg",
            "transition-transform duration-200",
            panelPosition[side],
            isOpen ? "translate-x-0 translate-y-0" : panelHidden[side]
          )}
        >
          <div className="flex items-start justify-between border-b border-border px-5 py-4">
            <div className="space-y-1">
              <h2 className="text-base font-semibold text-foreground">
                {title}
              </h2>
              {description ? (
                <p className="text-sm text-muted-foreground">{description}</p>
              ) : null}
            </div>
            <button
              type="button"
              onClick={() => setOpen(false)}
              className={cn(
                "rounded-md px-2 py-1 text-sm text-muted-foreground",
                "transition-colors hover:bg-muted hover:text-foreground",
                "focus-visible:outline focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-border"
              )}
            >
              Close
            </button>
          </div>

          <div className="flex-1 overflow-y-auto px-5 py-4 text-sm text-foreground">
            {children}
          </div>

          {footer ? (
            <div className="border-t border-border px-5 py-4">{footer}</div>
          ) : null}
        </div>
      </div>
    </div>
  );
}
Drawer

Dependencies

Files

Installation
