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System Message

System Message is a React and Tailwind CSS component from Prompt Kit, licensed MIT. Copy it and paste it into your project.

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What it is

System Message is a React and Tailwind CSS component from Prompt Kit, licensed MIT. Copy it and paste it into your project.

How to use it

Open it in the catalogue, press copy, and paste it into your project. The prompt you copy carries the code and the rules that tell your agent to reproduce it without changing anything.

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Licence

This component comes from Prompt Kit and is redistributed under the MIT licence, which permits commercial use. The copyright notice travels with the code.

System Message

system-message.tsx
"use client"

import { Button } from "@/components/ui/button"
import { cn } from "@/lib/utils"
import { cva, type VariantProps } from "class-variance-authority"
import { AlertCircle, AlertTriangle, Info } from "lucide-react"
import React from "react"

const systemMessageVariants = cva(
  "flex flex-row items-center gap-3 rounded-[12px] border py-2 pr-2 pl-3",
  {
    variants: {
      variant: {
        action: "text-zinc-700 dark:text-zinc-300",
        error: "text-red-700 dark:text-red-800",
        warning: "text-amber-700 dark:text-amber-700",
      },
      fill: {
        true: "bg-background",
        false: "",
      },
    },
    compoundVariants: [
      {
        variant: "action",
        fill: true,
        class: "bg-zinc-100 dark:bg-zinc-900 border-transparent",
      },
      {
        variant: "error",
        fill: true,
        class: "bg-red-100 dark:bg-red-900/20 border-transparent",
      },
      {
        variant: "warning",
        fill: true,
        class: "bg-amber-100 dark:bg-amber-900/20 border-transparent",
      },
      {
        variant: "action",
        fill: false,
        class: "border-zinc-200 dark:border-zinc-800",
      },
      {
        variant: "error",
        fill: false,
        class: "border-red-600 dark:border-red-900",
      },
      {
        variant: "warning",
        fill: false,
        class: "border-amber-600 dark:border-amber-900",
      },
    ],
    defaultVariants: {
      variant: "action",
      fill: false,
    },
  }
)

export type SystemMessageProps = React.ComponentProps<"div"> &
  VariantProps<typeof systemMessageVariants> & {
    icon?: React.ReactNode
    isIconHidden?: boolean
    cta?: {
      label: string
      onClick?: () => void
      variant?: "solid" | "outline" | "ghost"
    }
  }

export function SystemMessage({
  children,
  variant = "action",
  fill = false,
  icon,
  isIconHidden = false,
  cta,
  className,
  ...props
}: SystemMessageProps) {
  const getDefaultIcon = () => {
    if (isIconHidden) return null

    switch (variant) {
      case "error":
        return <AlertCircle className="size-4" />
      case "warning":
        return <AlertTriangle className="size-4" />
      default:
        return <Info className="size-4" />
    }
  }

  const getIconToShow = () => {
    if (isIconHidden) return null
    if (icon) return icon
    return getDefaultIcon()
  }

  const shouldShowIcon = getIconToShow() !== null

  return (
    <div
      className={cn(systemMessageVariants({ variant, fill }), className)}
      {...props}
    >
      <div className="flex flex-1 flex-row items-center gap-3 leading-normal">
        {shouldShowIcon && (
          <div className="flex h-[1lh] shrink-0 items-center justify-center self-start">
            {getIconToShow()}
          </div>
        )}

        <div
          className={cn(
            "flex min-w-0 flex-1 items-center",
            shouldShowIcon ? "gap-3" : "gap-0"
          )}
        >
          <div className="text-sm">{children}</div>
        </div>
      </div>

      {cta && (
        <Button variant="default" size="sm" onClick={cta.onClick}>
          {cta.label}
        </Button>
      )}
    </div>
  )
}

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