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Chain of Thought

Chain of Thought 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

Chain of Thought 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.

Open in the catalogue

Five free copies a month. No card.

Needs

npm i lucide-react

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.

Chain of Thought

chain-of-thought.tsx
"use client"

import {
  Collapsible,
  CollapsibleContent,
  CollapsibleTrigger,
} from "@/components/ui/collapsible"
import { cn } from "@/lib/utils"
import { ChevronDown, Circle } from "lucide-react"
import React from "react"

export type ChainOfThoughtItemProps = React.ComponentProps<"div">

export const ChainOfThoughtItem = ({
  children,
  className,
  ...props
}: ChainOfThoughtItemProps) => (
  <div className={cn("text-muted-foreground text-sm", className)} {...props}>
    {children}
  </div>
)

export type ChainOfThoughtTriggerProps = React.ComponentProps<
  typeof CollapsibleTrigger
> & {
  leftIcon?: React.ReactNode
  swapIconOnHover?: boolean
}

export const ChainOfThoughtTrigger = ({
  children,
  className,
  leftIcon,
  swapIconOnHover = true,
  ...props
}: ChainOfThoughtTriggerProps) => (
  <CollapsibleTrigger
    className={cn(
      "group text-muted-foreground hover:text-foreground flex cursor-pointer items-center justify-start gap-1 text-left text-sm transition-colors",
      className
    )}
    {...props}
  >
    <div className="flex items-center gap-2">
      {leftIcon ? (
        <span className="relative inline-flex size-4 items-center justify-center">
          <span
            className={cn(
              "transition-opacity",
              swapIconOnHover && "group-hover:opacity-0"
            )}
          >
            {leftIcon}
          </span>
          {swapIconOnHover && (
            <ChevronDown className="absolute size-4 opacity-0 transition-opacity group-hover:opacity-100 group-data-[state=open]:rotate-180" />
          )}
        </span>
      ) : (
        <span className="relative inline-flex size-4 items-center justify-center">
          <Circle className="size-2 fill-current" />
        </span>
      )}
      <span>{children}</span>
    </div>
    {!leftIcon && (
      <ChevronDown className="size-4 transition-transform group-data-[state=open]:rotate-180" />
    )}
  </CollapsibleTrigger>
)

export type ChainOfThoughtContentProps = React.ComponentProps<
  typeof CollapsibleContent
>

export const ChainOfThoughtContent = ({
  children,
  className,
  ...props
}: ChainOfThoughtContentProps) => {
  return (
    <CollapsibleContent
      className={cn(
        "text-popover-foreground data-[state=closed]:animate-collapsible-up data-[state=open]:animate-collapsible-down overflow-hidden",
        className
      )}
      {...props}
    >
      <div className="grid grid-cols-[min-content_minmax(0,1fr)] gap-x-4">
        <div className="bg-primary/20 ml-1.75 h-full w-px group-data-[last=true]:hidden" />
        <div className="ml-1.75 h-full w-px bg-transparent group-data-[last=false]:hidden" />
        <div className="mt-2 space-y-2">{children}</div>
      </div>
    </CollapsibleContent>
  )
}

export type ChainOfThoughtProps = {
  children: React.ReactNode
  className?: string
}

export function ChainOfThought({ children, className }: ChainOfThoughtProps) {
  const childrenArray = React.Children.toArray(children)

  return (
    <div className={cn("space-y-0", className)}>
      {childrenArray.map((child, index) => (
        <React.Fragment key={index}>
          {React.isValidElement(child) &&
            React.cloneElement(
              child as React.ReactElement<ChainOfThoughtStepProps>,
              {
                isLast: index === childrenArray.length - 1,
              }
            )}
        </React.Fragment>
      ))}
    </div>
  )
}

export type ChainOfThoughtStepProps = {
  children: React.ReactNode
  className?: string
  isLast?: boolean
}

export const ChainOfThoughtStep = ({
  children,
  className,
  isLast = false,
  ...props
}: ChainOfThoughtStepProps & React.ComponentProps<typeof Collapsible>) => {
  return (
    <Collapsible
      className={cn("group", className)}
      data-last={isLast}
      {...props}
    >
      {children}
      <div className="flex justify-start group-data-[last=true]:hidden">
        <div className="bg-primary/20 ml-1.75 h-4 w-px" />
      </div>
    </Collapsible>
  )
}

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