Chain Of ThoughtNew
A collapsible reasoning timeline for assistant thinking, progress, and agent traces.
Usage
Use ChainOfThought to show assistant reasoning, progress, tool discovery, or agent traces without coupling to an AI SDK.
Streaming
Set isStreaming to shimmer the trigger while reasoning is still in progress.
Agent Trace
Complex traces can be composed from multiple collapsible reasoning blocks and nested steps.
Agent Trace Streaming
Use the same trace structure with isStreaming when the agent is still working.
Anatomy
import {ChainOfThought} from "@heroui-pro/react";
<ChainOfThought defaultExpanded>
<ChainOfThought.Trigger>Thought for 2s</ChainOfThought.Trigger>
<ChainOfThought.Content>
<ChainOfThought.Steps>
<ChainOfThought.Step label="Explore">Read layout and globals.</ChainOfThought.Step>
</ChainOfThought.Steps>
</ChainOfThought.Content>
</ChainOfThought>CSS Classes
.chain-of-thought- Root disclosure wrapper.chain-of-thought__trigger- Collapsible trigger.chain-of-thought__content- Disclosure content panel.chain-of-thought__steps- Vertical step timeline.chain-of-thought__step- One step in the timeline.chain-of-thought__step-label- Optional step label.chain-of-thought__step-content- Step body content
API Reference
ChainOfThought
Extends HeroUI Disclosure props.
| Prop | Type | Default | Description |
|---|---|---|---|
children | ReactNode | - | Trigger and content |
isStreaming | boolean | false | Applies streaming shimmer styling to the trigger |
defaultExpanded | boolean | - | Open by default for uncontrolled usage |
isExpanded | boolean | - | Controlled expanded state |
ChainOfThought.Trigger
Extends HeroUI Button props. Renders the disclosure trigger.
ChainOfThought.Content
Extends Disclosure.Content props. Wraps the expanded content body.
ChainOfThought.Steps
Renders the vertical timeline container. Also supports native div props.
ChainOfThought.Step
Renders one timeline step. Also supports native div props.
| Prop | Type | Default | Description |
|---|---|---|---|
label | ReactNode | - | Optional label rendered above the step content |
children | ReactNode | - | Step body content |