Kanban Board
Editable tasks, drag and drop, and keyboard-accessible status changes.
Make it yours.
Install the editable source and its dependencies into your React + Tailwind project.
Scroll horizontally for long lines
pnpm dlx shadcn@4.0.8 add http://localhost:3000/r/kanban-board.jsonUse it
Scroll horizontally for long lines
"use client";
import {KanbanBoard} from '@/components/jez-ui/blocks/kanban-board';
export default function Example(){
return <><KanbanBoard/></>;
}Props & types
Scroll horizontally for long lines
export type DemoTask = { id: string; title: string; status: string };
{ className?: string }Source
View 5 source files
registry/blocks/kanban-board.tsx
Scroll horizontally for long lines
"use client";
import * as React from "react";
import {
GripVertical,
Plus,
Circle,
CircleDashed,
CircleCheck,
RotateCcw,
} from "lucide-react";
import { cn } from "../ui/utils";
import { useDemoState } from "./demo-state";
import { Input } from "../ui/input";
import { Button } from "../ui/button";
export type DemoTask = { id: string; title: string; status: string };
export const initialTasks: DemoTask[] = [
{ id: "1", title: "Explore homepage directions", status: "To do" },
{ id: "2", title: "Build the component preview", status: "In progress" },
{ id: "3", title: "Review keyboard navigation", status: "In progress" },
{ id: "4", title: "Write the project brief", status: "Done" },
];
const statuses = ["To do", "In progress", "Done"];
const statusIcons = [CircleDashed, Circle, CircleCheck];
export function KanbanBoard({ className }: { className?: string }) {
const [tasks, setTasks, reset] = useDemoState("tasks", initialTasks);
const [title, setTitle] = React.useState("");
const [dragging, setDragging] = React.useState<string>();
const [over, setOver] = React.useState<string>();
const [announcement, setAnnouncement] = React.useState("");
function move(id: string, status: string) {
if (!statuses.includes(status) || !tasks.some((t) => t.id === id)) return;
setTasks((t) => t.map((x) => (x.id === id ? { ...x, status } : x)));
setAnnouncement(
`${tasks.find((t) => t.id === id)?.title} moved to ${status}.`,
);
setDragging(undefined);
setOver(undefined);
}
return (
<section className={cn("grid gap-5", className)}>
<form
className="flex max-w-xl gap-2"
onSubmit={(e) => {
e.preventDefault();
if (title.trim()) {
setTasks((t) => [
...t,
{ id: crypto.randomUUID(), title: title.trim(), status: "To do" },
]);
setTitle("");
}
}}
>
<Input
aria-label="New task title"
placeholder="What needs doing?"
required
value={title}
onChange={(e) => setTitle(e.target.value)}
/>
<Button type="submit">
<Plus size={16} />
Add task
</Button>
</form>
<div className="grid gap-5 lg:grid-cols-3">
{statuses.map((status, index) => {
const Icon = statusIcons[index];
const column = tasks.filter((t) => t.status === status);
return (
<section
key={status}
aria-label={status}
onDragOver={(e) => {
e.preventDefault();
e.dataTransfer.dropEffect = "move";
setOver(status);
}}
onDragLeave={(e) => {
if (!e.currentTarget.contains(e.relatedTarget as Node))
setOver(undefined);
}}
onDrop={(e) => {
e.preventDefault();
move(e.dataTransfer.getData("text/plain"), status);
}}
className={cn(
"min-h-72 rounded-xl border border-transparent bg-muted/35 p-3 transition-colors",
over === status && "border-primary/40 bg-primary/5",
)}
>
<h3 className="mb-4 flex items-center gap-2 px-1 py-1 text-sm font-medium">
<Icon
size={16}
className={cn(
index === 1 ? "text-primary" : "text-muted-foreground",
)}
/>
{status}
<span className="ml-1 text-xs text-muted-foreground">
{column.length}
</span>
</h3>
<div className="grid gap-2.5">
{column.map((t) => (
<article
key={t.id}
className={cn(
"group rounded-lg border border-border bg-background p-3.5 shadow-xs transition-opacity",
dragging === t.id && "opacity-40",
)}
>
<div className="mb-3 flex items-center justify-between">
<span className="font-mono text-xs text-muted-foreground">
PRJ-
{t.id.length > 6
? t.id.slice(0, 4).toUpperCase()
: String(Number(t.id) + 100)}
</span>
<button
type="button"
draggable
aria-label={`Drag ${t.title}`}
title="Drag to another column, or use the status menu below"
onDragStart={(e) => {
e.dataTransfer.setData("text/plain", t.id);
e.dataTransfer.effectAllowed = "move";
setDragging(t.id);
}}
onDragEnd={() => {
setDragging(undefined);
setOver(undefined);
}}
className="-m-1 cursor-grab rounded p-1 text-muted-foreground hover:bg-muted active:cursor-grabbing"
>
<GripVertical size={16} />
</button>
</div>
<input
aria-label={`Edit task ${t.title}`}
value={t.title}
onChange={(e) =>
setTasks((v) =>
v.map((x) =>
x.id === t.id ? { ...x, title: e.target.value } : x,
),
)
}
className="mb-4 w-full min-w-0 rounded bg-transparent py-1 text-sm font-medium outline-none focus:ring-2 focus:ring-primary/30"
/>
<div className="flex items-center justify-between gap-2 border-t border-border/50 pt-3">
<select
aria-label={`Status for ${t.title}`}
value={t.status}
onChange={(e) => move(t.id, e.target.value)}
className="max-w-full cursor-pointer rounded-md border-0 bg-muted/70 px-2 py-1 text-xs text-muted-foreground"
>
{statuses.map((s) => (
<option key={s}>{s}</option>
))}
</select>
<span
className="grid size-6 place-items-center rounded-full border border-border bg-muted text-xs"
title="Alex Morgan"
>
AM
</span>
</div>
</article>
))}
{!column.length && (
<div
className={cn(
"grid min-h-40 place-items-center rounded-lg border border-dashed border-border text-sm text-muted-foreground",
dragging && "border-primary/40",
)}
>
Drop a task here
</div>
)}
</div>
</section>
);
})}
</div>
<div className="flex flex-wrap items-center justify-between gap-3">
<p className="text-xs text-muted-foreground">
Drag using the grip, or change a task’s status from its menu.
</p>
<Button size="sm" variant="ghost" onClick={reset}>
<RotateCcw size={13} />
Reset demo
</Button>
</div>
<p role="status" className="sr-only">
{announcement}
</p>
</section>
);
}
registry/ui/utils.ts
Scroll horizontally for long lines
import { clsx, type ClassValue } from "clsx";
import { twMerge } from "tailwind-merge";
export function cn(...values: ClassValue[]) {
return twMerge(clsx(values));
}
registry/blocks/demo-state.ts
Scroll horizontally for long lines
"use client";
import { useState, useEffect, useCallback } from "react";
export function useDemoState<T>(key: string, initial: T) {
const [state, setState] = useState(initial);
const [loaded, setLoaded] = useState(false);
useEffect(() => {
try {
const raw = localStorage.getItem("jez-demo:" + key);
if (raw) setState(JSON.parse(raw));
} catch {}
setLoaded(true);
}, [key]);
useEffect(() => {
if (loaded)
try {
localStorage.setItem("jez-demo:" + key, JSON.stringify(state));
} catch {}
}, [key, state, loaded]);
const reset = useCallback(() => setState(initial), [initial]);
return [state, setState, reset] as const;
}
registry/ui/input.tsx
Scroll horizontally for long lines
"use client";
import * as React from "react";
import { cn } from "./utils";
export function Input({ className, ...props }: React.ComponentProps<"input">) {
return (
<input
className={cn(
"block h-10 w-full min-w-0 rounded-lg border border-border bg-background px-3 text-sm leading-normal shadow-[0_1px_2px_#00000004] transition-[border-color,box-shadow] placeholder:text-muted-foreground/75 hover:border-foreground/25 focus:border-primary focus:outline-none focus:ring-3 focus:ring-primary/10 aria-invalid:border-danger aria-invalid:ring-danger/10 disabled:cursor-not-allowed disabled:bg-muted/50 disabled:opacity-50",
className,
)}
{...props}
/>
);
}
registry/ui/button.tsx
Scroll horizontally for long lines
"use client";
import * as React from "react";
import { Slot } from "radix-ui";
import { LoaderCircle } from "lucide-react";
import { cn } from "./utils";
export type ButtonProps = React.ButtonHTMLAttributes<HTMLButtonElement> & {
variant?: "primary" | "secondary" | "outline" | "ghost" | "danger";
size?: "sm" | "md" | "lg";
loading?: boolean;
asChild?: boolean;
};
export function Button({
variant = "primary",
size = "md",
loading,
asChild,
className,
children,
disabled,
...props
}: ButtonProps) {
const Comp = asChild ? Slot.Root : "button";
return (
<Comp
type={asChild ? undefined : "button"}
disabled={asChild ? undefined : disabled || loading}
aria-disabled={disabled || loading || undefined}
aria-busy={loading || undefined}
className={cn(
"relative inline-flex shrink-0 items-center justify-center gap-2 whitespace-nowrap rounded-lg border border-transparent text-sm font-medium leading-none transition-[background-color,border-color,box-shadow,transform] duration-150 focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-primary active:scale-[.98] disabled:pointer-events-none disabled:opacity-45 aria-disabled:pointer-events-none [&_svg]:shrink-0",
{
"bg-primary text-primary-foreground shadow-[inset_0_1px_0_#ffffff26,0_1px_2px_#00000012] hover:bg-primary/90":
variant === "primary",
"border-border/60 bg-muted text-foreground hover:bg-muted/70":
variant === "secondary",
"border-border bg-background text-foreground shadow-sm hover:bg-muted/60":
variant === "outline",
"text-muted-foreground hover:bg-muted hover:text-foreground":
variant === "ghost",
"bg-danger text-danger-foreground hover:bg-danger/90":
variant === "danger",
},
{
"h-8 px-3 text-xs": size === "sm",
"h-10 px-4": size === "md",
"h-12 px-6": size === "lg",
},
className,
)}
{...props}
>
{asChild ? (
children
) : (
<>
<span
className={cn(
"inline-flex min-w-0 flex-1 items-center justify-center gap-2",
loading && "invisible",
)}
>
{children}
</span>
{loading && (
<LoaderCircle
aria-hidden="true"
className="absolute size-4 animate-spin motion-reduce:animate-none"
/>
)}
</>
)}
</Comp>
);
}
Dependencies
lucide-react@0.577.0 · clsx@2.1.1 · tailwind-merge@3.5.0 · radix-ui@1.6.7
Accessibility & behaviour
Provide meaningful labels and preserve keyboard focus styles. Check contrast when customising theme colours.
Read the accessibility and performance guide →