shadimage
asanshay
componentcode-blocksource: ok · hit

Code Block

A code block with syntax highlighting and quick copying.

npx shadcn add "https://ds.asanshay.com/r/code-block.json"
free

Visual style

terminal-mono

Tags auto-generated by rules on 9/24/2026 — empty means no evidence, not lack of support.

Dependencies

Bundle weight · light
ui-primitives@radix-ui/react-slot
iconslucide-react

Files2 · source cached 10/14/2026, 12:31:05 PM

registry/new-york/blocks/code-block/code-block.tsx
"use client";

import { cn } from "@/lib/utils";
import React, { useEffect, useState } from "react";
import { Button } from "@/registry/new-york/blocks/button/button";
import { Check, Copy } from "lucide-react";
import { Prism as SyntaxHighlighter } from "react-syntax-highlighter";
import { oneLight, a11yDark as oneDark } from "react-syntax-highlighter/dist/esm/styles/prism";
import { cva } from "class-variance-authority";
import { useTheme } from "next-themes";

const customSyntaxTheme = {
  ...oneLight,
  'pre[class*="language-"]': {
    ...oneLight['pre[class*="language-"]'],
    background: "hsl(var(--muted))",
    borderRadius: "0.5rem",
    fontFamily: "Geist Mono, monospace",
    textShadow: "none",
    padding: 0,
    margin: 0,
  },
  'code[class*="language-"]': {
    ...oneLight['code[class*="language-"]'],
    background: "none",
    fontFamily: "Geist Mono, monospace",
    textShadow: "none",
    fontSize: "13px",
    padding: 0,
  },
};

const customDarkSyntaxTheme = {
  ...oneDark,
  'pre[class*="language-"]': {
    ...oneDark['pre[class*="language-"]'],
    background: "hsl(var(--muted))",
    borderRadius: "0.5rem",
    fontFamily: "Geist Mono, monospace",
    textShadow: "none",
    padding: 0,
    margin: 0,
  },
  'code[class*="language-"]': {
    ...oneDark['code[class*="language-"]'],
    background: "none",
    fontFamily: "Geist Mono, monospace",
    textShadow: "none",
    fontSize: "13px",
    padding: 0,
  },
};

const codeBlockVariants = cva("text-card-foreground rounded-xl p-4 flex flex-col gap-2", {
  variants: {
    variant: {
      flat: "bg-muted",
      default: "border border-border bg-card",
    },
  },
  defaultVariants: {
    variant: "default",
  },
});

export type CodeBlockProps = {
  code: string;
  language?: string;
  theme?: string;
  className?: string;
  title?: string;
  children?: React.ReactNode;
  variant?: "default" | "flat";
} & React.HTMLProps<HTMLDivElement>;

export function CodeBlock({
  code,
  language = "tsx",
  theme = "github-light",
  className,
  title,
  children,
  variant = "default",
  ...props
}: CodeBlockProps) {
  const { theme: themeName } = useTheme();
  const codeClassNames = cn("w-full overflow-x-auto text-[13px] font-mono");
  const [copied, setCopied] = useState(false);
  return (
    <div className={cn("relative group", codeBlockVariants({ variant }), className)} {...props}>
      <Button
        onClick={() => {
          navigator.clipboard.writeText(String(code));
          setCopied(true);
          setTimeout(() => {
            setCopied(false);
          }, 1000);
        }}
        variant="ghost"
        size="icon"
        className="absolute right-2 top-2 focus-visible:ring-0 text-muted-foreground hover:bg-muted active:bg-muted"
        aria-label={copied ? "Copied" : "Copy to clipboard"}
      >
        <span className="sr-only">{copied ? "Copied" : "Copy"}</span>
        <Copy
          className={`size-4 transition-all duration-300 ${copied ? "scale-0" : "scale-100"}`}
        />
        <Check
          className={`absolute inset-0 m-auto size-4 transition-all duration-300 text-success ${
            copied ? "scale-100" : "scale-0"
          }`}
        />
      </Button>
      {title && <h3 className="text-sm text-muted-foreground tracking-tight font-mono">{title}</h3>}
      <SyntaxHighlighter
        language={language}
        style={themeName === "dark" ? customDarkSyntaxTheme : customSyntaxTheme}
        PreTag="div"
        className={codeClassNames}
      >
        {code}
      </SyntaxHighlighter>
    </div>
  );
}
registry/new-york/blocks/button/button.tsx
import * as React from "react";
import { Slot } from "@radix-ui/react-slot";
import { cva, type VariantProps } from "class-variance-authority";

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

const buttonVariants = cva(
  "inline-flex items-center justify-center gap-1 whitespace-nowrap rounded-xl text-md font-medium disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg:not([class*='size-'])]:size-4 shrink-0 [&_svg]:shrink-0 outline-none focus-visible:border-ring focus-visible:ring-ring/50 focus-visible:ring-[3px] aria-invalid:ring-destructive/20 dark:aria-invalid:ring-destructive/40 aria-invalid:border-destructive duration-200 hover:duration-75 transition-all",
  {
    variants: {
      variant: {
        default:
          "border border-primary bg-primary/70 bg-linear-to-t from-primary to-primary/30 px-4 py-2 font-medium text-primary-foreground shadow-md inset-shadow-[0px_1px_0px_1px] inset-shadow-white/30 transition-all duration-75 hover:bg-primary/60 active:translate-y-px active:inset-shadow-black/10 dark:bg-primary dark:from-primary dark:to-primary/80 dark:hover:bg-primary/90",
        fancy:
          "border border-primary bg-primary/30 bg-radial-[at_50%_25%] from-primary/40 to-primary text-primary-foreground shadow-md inset-shadow-sm inset-shadow-white/50 hover:bg-white hover:shadow-lg hover:inset-shadow-white active:bg-primary/30 active:shadow-none active:inset-shadow-primary/80  hover:-translate-y-px active:translate-y-px",
        destructive:
          "bg-destructive text-white shadow-xs hover:bg-destructive/90 focus-visible:ring-destructive/20 dark:focus-visible:ring-destructive/40 dark:bg-destructive/60",
        outline:
          "border shadow-lg hover:shadow-none shadow-shade bg-transparent text-primary hover:border-transparent hover:bg-primary/10 active:bg-primary/30",
        secondary:
          "border border-transparent bg-primary/10 text-primary hover:border-primary/50 hover:bg-transparent  active:border-transparent active:border-primary active:ring-1 active:scale-95",
        ghost:
          "bg-transparent text-primary hover:border-transparent hover:bg-primary/10 active:bg-primary/30",
        link: "text-foreground underline decoration-primary underline-offset-2 hover:underline-offset-2 active:decoration-4 hover:opacity-70 hover:decoration-2 active:text-foreground",
      },
      size: {
        default: "px-4 py-2",
        xs: "px-2 py-1.5 rounded-lg [&_svg:not([class*='size-'])]:size-3 text-xs",
        sm: "px-3 py-1.5 text-sm rounded-lg",
        lg: "px-5 py-2 text-lg",
        xl: "px-6 py-3 [&_svg:not([class*='size-'])]:size-5 text-xl",
        icon: "size-8 rounded-lg [&_svg:not([class*='size-'])]:size-4",
        iconSm: "size-6 rounded-md [&_svg:not([class*='size-'])]:size-3",
        iconLg: "size-10 rounded-lg [&_svg:not([class*='size-'])]:size-5",
      },
    },
    defaultVariants: {
      variant: "default",
      size: "default",
    },
  }
);

function Button({
  className,
  variant,
  size,
  asChild = false,
  ...props
}: React.ComponentProps<"button"> &
  VariantProps<typeof buttonVariants> & {
    asChild?: boolean;
  }) {
  const Comp = asChild ? Slot : "button";

  return (
    <Comp
      data-slot="button"
      className={cn(buttonVariants({ variant, size, className }))}
      {...props}
    />
  );
}

export { Button, buttonVariants };

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