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Merged
merged 35 commits into from
Nov 1, 2024

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thucpn
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@thucpn thucpn commented Oct 28, 2024

Summary by CodeRabbit

  • New Features

    • Introduced a modular chat interface with a new ChatSectionUI component.
    • Added ChatStarter component for fetching and displaying starter questions.
    • Implemented ToolAnnotations for displaying tool-related annotations in chat messages.
    • Introduced Markdown component for rendering markdown content with media preprocessing.
    • Added CustomChatMessages and CustomChatInput components for enhanced chat functionality.
  • Bug Fixes

    • Simplified error handling across various components for better user feedback.
  • Refactor

    • Streamlined components by removing unnecessary props and integrating hooks for state management.
    • Renamed and restructured several components for improved clarity and modularity.
    • Removed deprecated components to simplify the codebase.
  • Chores

    • Updated dependencies in package.json to enhance functionality and remove unused packages.
    • Adjusted Tailwind CSS configuration to include styles from the new UI package.
    • Added a placeholder for observability integration.

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changeset-bot bot commented Oct 28, 2024

🦋 Changeset detected

Latest commit: d2190a7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
Name Type
create-llama Patch

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coderabbitai bot commented Oct 28, 2024

Caution

Review failed

The pull request is closed.

Walkthrough

The pull request introduces significant refactoring to the chat component structure in a Next.js application. It replaces several components with new implementations from the @llamaindex/chat-ui library, streamlining state management and rendering logic. Key components such as ChatSection, ChatInput, and ChatMessages have been modified or replaced to enhance modularity and simplify interactions. Additionally, multiple components related to chat message handling and file uploads have been removed, indicating a shift towards a more cohesive and simplified chat interface.

Changes

File Path Change Summary
templates/types/streaming/nextjs/app/components/chat-section.tsx Replaced ChatSection with ChatSectionUI, removed local state management, simplified useChat hook usage, and altered rendering logic.
templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx Refactored to CustomChatInput, used useChatUI for state management, simplified file upload handling, and introduced new subcomponents.
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-events.tsx Component removed.
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-tools.tsx Simplified function signature, removed artifactVersion prop, and updated logic to use useChatUI for message context.
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/index.tsx Removed ChatMessage and ChatMessageContent components.
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx Replaced ReactMarkdown with MarkdownUI, simplified content processing.
templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx Refactored to CustomChatMessages, eliminated previous props structure, and integrated ChatStarter.
templates/types/streaming/nextjs/package.json Removed several dependencies and added @llamaindex/chat-ui.
templates/types/streaming/nextjs/tailwind.config.ts Updated content property to include @llamaindex/chat-ui for Tailwind CSS JIT scanning.
templates/types/streaming/nextjs/app/components/ui/chat/chat-avatar.tsx Renamed to ChatMessageAvatar, updated to use message.role instead of a prop.
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx Introduced ChatMessageContent component utilizing useChatMessage for rendering.
templates/types/streaming/nextjs/app/components/ui/chat/chat-actions.tsx Component removed.
templates/types/streaming/nextjs/app/components/ui/chat/chat-agent-events.tsx Component removed.
templates/types/streaming/nextjs/app/components/ui/chat/chat-files.tsx Component removed.
templates/types/streaming/nextjs/app/components/ui/chat/chat-image.tsx Component removed.
templates/types/streaming/nextjs/app/components/ui/chat/chat-sources.tsx Component removed.
templates/types/streaming/nextjs/app/components/ui/chat/chat-suggestedQuestions.tsx Component removed.
templates/types/streaming/nextjs/app/components/ui/chat/hooks/use-file.ts Hook removed.
templates/types/streaming/nextjs/app/components/ui/chat/index.ts Removed various types and functions related to chat handling.
templates/types/streaming/nextjs/app/components/ui/chat/widgets/PdfDialog.tsx Component removed.
templates/types/streaming/nextjs/app/components/ui/document-preview.tsx Component removed.
templates/types/streaming/nextjs/app/components/ui/upload-image-preview.tsx Component removed.
templates/types/streaming/nextjs/app/components/ui/chat/chat-starter.tsx Introduced ChatStarter component for fetching and displaying starter questions.
templates/types/streaming/nextjs/app/components/ui/file-uploader.tsx Component removed.
templates/types/streaming/nextjs/app/components/ui/README-template.md File removed.
templates/types/streaming/nextjs/app/components/ui/chat/chat.interface.ts Interface removed.
templates/types/streaming/nextjs/app/components/ui/chat/custom/llama-cloud-selector.tsx Updated to source setRequestData from useChatUI, added conditional rendering based on environment variable.
templates/types/streaming/nextjs/app/components/ui/chat/custom/markdown.tsx Introduced Markdown component for rendering markdown content with URL preprocessing.
templates/types/streaming/nextjs/app/components/ui/chat/tools/artifact.tsx Updated type definitions and imports related to ArtifactResult and InterpreterOutput.
templates/types/streaming/nextjs/app/components/ui/chat/tools/chat-tools.tsx Introduced ToolAnnotations component for processing and displaying tool-related annotations.
templates/types/streaming/nextjs/app/observability/index.ts Added initObservability function as a placeholder for future observability features.

Possibly related PRs

🐰 In the chat, we play and cheer,
New components bring us near!
With tools and messages, all in line,
Our chat's now sleek, oh so fine!
Let's hop along, with joy we sing,
For every change, new joy they bring! 🐇✨


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@thucpn thucpn marked this pull request as ready for review October 28, 2024 10:54
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Actionable comments posted: 6

🧹 Outside diff range and nitpick comments (12)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-events.tsx (1)

Line range hint 14-24: Consider memoizing the EventIcon computation.

While the state management is clean, the EventIcon computation could be optimized using useMemo to prevent unnecessary re-renders when other state changes occur.

+ import { useMemo } from "react";

  const [isOpen, setIsOpen] = useState(false);
  const showLoading = isLast && isLoading;
  const buttonLabel = isOpen ? "Hide events" : "Show events";

- const EventIcon = isOpen ? (
-   <ChevronDown className="h-4 w-4" />
- ) : (
-   <ChevronRight className="h-4 w-4" />
- );
+ const EventIcon = useMemo(() => (
+   isOpen ? (
+     <ChevronDown className="h-4 w-4" />
+   ) : (
+     <ChevronRight className="h-4 w-4" />
+   )
+ ), [isOpen]);
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx (3)

Line range hint 9-16: Fix regex pattern in preprocessLaTeX.

There's a bug in the inline LaTeX processing. The regex pattern for inline processing is incorrectly using \[...\] instead of \(...\).

Apply this fix:

  // Replace inline LaTeX delimiters \( \) with $ $
  const inlineProcessedContent = blockProcessedContent.replace(
-   /\\\[([\s\S]*?)\\\]/g,
+   /\\\(([\s\S]*?)\\\)/g,
    (_, equation) => `$${equation}$`,
  );

Line range hint 71-152: Several improvements needed in the Markdown component.

  1. Using Math.random() as React key is an anti-pattern as it can cause unnecessary re-renders and break component reconciliation.
  2. The citation index parsing lacks error boundaries or validation.

Consider these improvements:

- key={Math.random()}
+ key={`code-${(match && match[1]) || ""}-${String(children).slice(0, 20)}`}

For citation handling:

   if (
     Array.isArray(children) &&
     typeof children[0] === "string" &&
     children[0].startsWith("citation:")
   ) {
     const index = Number(children[0].replace("citation:", ""));
-    if (!isNaN(index)) {
+    if (!isNaN(index) && index >= 0) {
       return <SourceNumberButton index={index} />;
     } else {
-      // citation is not looked up yet, don't render anything
+      console.warn(`Invalid citation index: ${children[0]}`);
       return <></>;
     }
   }

Additional URL sanitization needed in preprocessMedia

The current implementation of preprocessMedia only removes specific prefixes (sandbox:, attachment:, snt:) from URLs but lacks comprehensive URL sanitization. This could potentially allow malicious URLs to pass through. Consider:

  • Adding URL validation using a URL constructor or regex pattern
  • Implementing allowlist-based protocol validation (e.g., only allowing http:, https:)
  • Sanitizing URL parameters and fragments
  • Using a dedicated URL sanitization library

Example locations needing attention:

  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx:23: Add URL sanitization before returning the processed content
🔗 Analysis chain

Line range hint 18-22: Verify URL sanitization in preprocessMedia.

The function removes prefixes from URLs but might need additional sanitization to prevent potential security issues with malicious URLs.

Let's check for any existing URL sanitization:

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for URL sanitization or validation functions
rg -g '!node_modules' -g '*.{ts,tsx,js,jsx}' -A 5 'sanitize.*url|validate.*url|isValidUrl'

Length of output: 1420


Script:

#!/bin/bash
# Let's check the full implementation of preprocessMedia function
ast-grep --pattern 'const preprocessMedia = $_'

# Also check for any URL-related processing in the markdown component
rg -g '*.{ts,tsx,js,jsx}' -A 10 'preprocessMedia|sanitizeUrl|urlTransform' templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx

Length of output: 1469


Script:

#!/bin/bash
# Let's check how this markdown component is used and if there's any URL validation at the component level
rg -g '*.{ts,tsx,js,jsx}' -A 5 '<Markdown' templates/types/streaming/nextjs/app/components/ui/chat/

# Also check if there's URL validation in the imported MarkdownUI component
rg -g '*.{ts,tsx,js,jsx}' -A 5 'MarkdownUI.*props' templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx

Length of output: 3538

templates/types/streaming/nextjs/app/components/ui/chat/widgets/LlamaCloudSelector.tsx (2)

Line range hint 54-65: Simplify updateRequestParams function.

Since setRequestData is always available from the useChatUI hook, the conditional logic can be simplified.

Apply this diff to simplify the function:

  const updateRequestParams = useCallback(
    (pipeline?: PipelineConfig) => {
-     if (setRequestData) {
-       setRequestData({
-         llamaCloudPipeline: pipeline,
-       });
-     } else {
-       onSelect?.(pipeline);
-     }
+     setRequestData({
+       llamaCloudPipeline: pipeline,
+     });
+     onSelect?.(pipeline);
    },
    [onSelect, setRequestData],
  );

101-104: Consider adding build-time validation for environment variables.

The component relies on NEXT_PUBLIC_USE_LLAMACLOUD environment variable, but its presence and format are only checked at runtime.

Consider:

  1. Adding build-time validation using Next.js config
  2. Using a more robust boolean parsing
// In your next.config.js
const config = {
  env: {
    NEXT_PUBLIC_USE_LLAMACLOUD: process.env.NEXT_PUBLIC_USE_LLAMACLOUD,
  },
  serverRuntimeConfig: {
    validateEnv: () => {
      const llamaCloud = process.env.NEXT_PUBLIC_USE_LLAMACLOUD;
      if (llamaCloud && !['true', 'false'].includes(llamaCloud)) {
        throw new Error('NEXT_PUBLIC_USE_LLAMACLOUD must be "true" or "false"');
      }
    },
  },
};

Then in the component:

- if (process.env.NEXT_PUBLIC_USE_LLAMACLOUD !== "true") {
+ if (process.env.NEXT_PUBLIC_USE_LLAMACLOUD?.toLowerCase() !== "true") {
templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (2)

23-26: Clarify the upload limitations for images and files

Currently, the implementation allows uploading multiple files but restricts image uploads to one at a time. If this is intentional, consider updating the UI to inform users of this limitation to prevent confusion.


51-57: Ensure uniqueness of the key prop in list rendering

When rendering the list of files, confirm that file.id used as the key prop is unique and stable. This helps React optimize rendering and prevent potential bugs.

templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (2)

Line range hint 38-53: Optimize useEffect dependencies and initial state

Including starterQuestions in the dependency array of the useEffect hook may cause unnecessary re-fetching whenever starterQuestions updates, leading to redundant network requests.

Consider initializing starterQuestions as an empty array and adjusting the dependency array and condition:

- const [starterQuestions, setStarterQuestions] = useState<string[]>();
+ const [starterQuestions, setStarterQuestions] = useState<string[]>([]);

- useEffect(() => {
-   if (!starterQuestions) {
+ useEffect(() => {
+   if (starterQuestions.length === 0) {
      // Fetch logic remains the same
    }
- }, [starterQuestions, backend]);
+ }, [backend]);

58-66: Avoid using index as key in list rendering

Using the array index i as the key prop can lead to issues if the list items change order or if items are added or removed, affecting React's rendering optimization.

Consider using the question string as a key if it is unique:

- key={i}
+ key={question}
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/index.tsx (2)

Line range hint 118-122: Avoid using array index as key in list rendering.

Using indices as keys in React can lead to issues with component state and rendering when the list changes. It's recommended to use a unique and stable identifier for each item.

Apply this diff to use a more stable key:

-            .map((content, index) => (
-              <Fragment key={index}>{content.component}</Fragment>
+            .map((content) => (
+              <Fragment key={content.order}>{content.component}</Fragment>

Line range hint 33-42: Consider handling multiple annotations when applicable.

Currently, the code only renders the first item from imageData, contentFileData, toolData, and suggestedQuestionsData. If multiple annotations of these types are present, they will not be displayed. Consider iterating over all items to render them all.

Here's an example for handling multiple images:

        {
          order: 1,
-         component: imageData[0] ? <ChatImage data={imageData[0]} /> : null,
+         component: imageData.length > 0 ? (
+             imageData.map((data, idx) => <ChatImage key={idx} data={data} />)
+          ) : null,
        },

Apply similar changes for other annotation types as needed.

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between b8f7861 and c30edb2.

📒 Files selected for processing (11)
  • templates/types/streaming/nextjs/app/components/chat-section.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (2 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-avatar.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-events.tsx (3 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-tools.tsx (2 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message/index.tsx (5 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx (3 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (2 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/widgets/LlamaCloudSelector.tsx (3 hunks)
  • templates/types/streaming/nextjs/package.json (1 hunks)
  • templates/types/streaming/nextjs/tailwind.config.ts (1 hunks)
🧰 Additional context used
📓 Path-based instructions (11)
templates/types/streaming/nextjs/app/components/chat-section.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-avatar.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-events.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-tools.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/index.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/widgets/LlamaCloudSelector.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/package.json (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/tailwind.config.ts (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

🔇 Additional comments (18)
templates/types/streaming/nextjs/app/components/chat-section.tsx (3)

3-7: LGTM: Imports are well-organized and necessary.

The imports are properly structured, importing the required components from the @llamaindex/chat-ui library and custom components.


19-22: LGTM: Component structure follows best practices.

The component structure is well-organized:

  • Properly uses ChatSectionUI as a wrapper
  • Separates chat messages and input into custom components
  • Correctly passes the handler prop

5-6: Verify custom component implementations.

Let's ensure that the custom components are properly implemented and contain the necessary props and hooks.

Also applies to: 20-21

✅ Verification successful

Based on the shell script results, I can generate the final response as we have sufficient information about the component implementations.

Custom components are properly implemented with required hooks and functionality

Both components are well-structured and contain the necessary implementations:

  • CustomChatInput uses required hooks (useChatUI, useClientConfig) and implements file upload functionality
  • CustomChatMessages correctly uses useChatUI hook and renders messages with proper components
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify custom component implementations

# Check CustomChatInput implementation
echo "Checking CustomChatInput implementation..."
ast-grep --pattern 'export default function CustomChatInput() {
  $$$
}'

# Check CustomChatMessages implementation
echo "Checking CustomChatMessages implementation..."
ast-grep --pattern 'export default function CustomChatMessages() {
  $$$
}'

# Check for required hooks usage
echo "Checking for required hooks usage..."
rg -l "useChatUI|useClientConfig" "app/components/ui/chat"

Length of output: 9034

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-avatar.tsx (2)

1-1: LGTM: Clean integration of @llamaindex/chat-ui

The addition of useChatMessage hook aligns well with the refactoring objectives.


5-7: Verify message role handling across different chat states

The component refactor looks good, but let's verify the message role handling works correctly in all scenarios.

✅ Verification successful

Let me gather more information about the message role handling implementation.


Let me gather one final piece of information about the chat message context implementation.


Based on the gathered information, I can now provide the final response:

Message role handling is correctly implemented and safe

The ChatMessageAvatar component is properly integrated within the chat message context:

  • It uses the useChatMessage hook from @llamaindex/chat-ui to access message data
  • The role check message.role === "user" is used consistently across the codebase
  • The component is correctly rendered within ChatMessages.List with proper message context

The implementation follows the same pattern used in other parts of the codebase for handling user/assistant message roles, making it reliable and consistent.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify message role handling implementation
# Look for other components using ChatMessageAvatar to ensure they provide correct message context

# Search for ChatMessageAvatar usage
rg -l "ChatMessageAvatar"

# Search for useChatMessage provider components
ast-grep --pattern 'ChatProvider|useChatMessage'

Length of output: 235


Script:

#!/bin/bash
# Check the implementation of chat-messages.tsx and the context provider
rg -A 10 "ChatMessageAvatar" templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx

# Look for ChatProvider implementation and message role types
rg -A 10 "ChatProvider" 

# Search for message role type definitions
rg -A 5 "role.*=.*['\"]user['\"]"

Length of output: 7309


Script:

#!/bin/bash
# Check the implementation of useChatMessage hook and message context
rg -A 10 "useChatMessage" 

# Look for message type definitions
rg -A 5 "type.*Message.*=.*{" 
rg -A 5 "interface.*Message.*{" 

Length of output: 9663

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-events.tsx (3)

Line range hint 1-11: LGTM! Imports are properly organized.

The new imports from @llamaindex/chat-ui align with the PR objective of integrating the library.


12-14: Well-structured component with proper hook usage!

The refactor improves maintainability by:

  • Simplifying the component's props interface
  • Using hooks for state management instead of prop drilling
  • Following React best practices

31-31: LGTM! Loading state properly implemented.

The conditional rendering of the loading spinner with animation provides good user feedback.

templates/types/streaming/nextjs/package.json (2)

Line range hint 1-58: Verify removal of markdown-related dependencies

The removal of markdown-related packages aligns with the migration to @llamaindex/chat-ui. However, we should verify that these aren't still referenced in the codebase.

#!/bin/bash
# Description: Search for any remaining references to removed packages
# Expected: No references to removed packages in the codebase

echo "Checking for remaining references to removed packages..."
packages=("react-markdown" "rehype-katex" "remark" "remark-code-import" "remark-gfm" "remark-math" "highlight.js")

for package in "${packages[@]}"; do
  echo "Searching for references to $package..."
  rg -l "from ['\"]$package['\"]|require\(['\"]$package['\"]\)"
done

40-40: Consider the stability implications of using @llamaindex/chat-ui@^0.0.2

The package is in a very early version (0.0.x), which typically indicates it's in initial development and may have breaking changes or stability issues. Consider:

  • Pinning to exact version (0.0.2 instead of ^0.0.2) until the API stabilizes
  • Monitoring the project's release notes for breaking changes
  • Having a rollback plan if issues arise

Let's verify the package's stability and recent updates:

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-tools.tsx (3)

1-8: LGTM: Clean integration of llamaindex chat-ui hooks

The component signature has been simplified while maintaining functionality through the use of hooks.


9-11: LGTM: Effective use of chat hooks

The hooks provide a clean way to access chat context and message data.


56-56: LGTM: Proper usage of version mapping

The version is correctly retrieved from the map using the current message ID.

templates/types/streaming/nextjs/tailwind.config.ts (1)

6-10: LGTM! Tailwind configuration updated correctly for @llamaindex/chat-ui.

The addition of node_modules/@llamaindex/chat-ui/**/*.{ts,tsx} to the content paths is necessary for Tailwind to process the styles from the UI library components.

Let's verify that the package is properly installed:

✅ Verification successful

Tailwind configuration is correct and package is properly declared

The @llamaindex/chat-ui package is correctly declared in the package.json dependencies (version ^0.0.2). Since this is a template repository, the absence of node_modules is expected as dependencies are installed when the template is used. The Tailwind configuration is properly set up to process the UI library's styles once installed.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify @llamaindex/chat-ui package installation
# Expected: Package directory should exist in node_modules

# Test 1: Check if the package directory exists
fd -t d "@llamaindex/chat-ui$" node_modules

# Test 2: Look for TypeScript/TSX files that would be processed by Tailwind
fd -e ts -e tsx . "node_modules/@llamaindex/chat-ui"

Length of output: 318


Script:

#!/bin/bash
# Let's verify if this is a template repository and check package.json for the dependency
# Test 1: Check if package.json exists and contains the dependency
fd -t f "package.json$" templates/types/streaming/nextjs -x cat {}

# Test 2: Check the directory structure to understand the context better
fd . templates/types/streaming/nextjs --type d

Length of output: 2851

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx (1)

1-1: Verify @llamaindex/chat-ui integration.

Let's ensure all required components from @llamaindex/chat-ui are properly imported and used consistently across the codebase.

#!/bin/bash
# Check for consistent usage of @llamaindex/chat-ui components
rg --type-add 'react:*.{tsx,jsx}' -t react '@llamaindex/chat-ui'

# Verify no leftover ReactMarkdown imports
rg --type-add 'react:*.{tsx,jsx}' -t react 'react-markdown'
templates/types/streaming/nextjs/app/components/ui/chat/widgets/LlamaCloudSelector.tsx (1)

1-1: Verify chat-ui integration across the application.

The integration of @llamaindex/chat-ui looks good. Let's verify its usage across the codebase to ensure consistent implementation.

✅ Verification successful

Integration with @llamaindex/chat-ui is consistently implemented

The verification shows that the chat-ui integration is properly implemented across the codebase:

  • useChatUI hook is consistently used in all relevant components
  • State management through requestData and setRequestData follows the chat-ui patterns
  • The implementation in LlamaCloudSelector aligns with other components using the same hook
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check for consistent usage of useChatUI hook
rg -l "useChatUI" --type typescript

# Verify no direct setRequestData prop usage remains
rg "setRequestData.*props" --type typescript

Length of output: 152


Script:

#!/bin/bash
# Check for consistent usage of useChatUI hook across the codebase
rg -l "useChatUI"

# Look for any remaining setRequestData prop usage
rg "setRequestData.*props"

# Find all TypeScript/TSX files that might use chat-ui
fd "\.(ts|tsx)$"

Length of output: 10151


Script:

#!/bin/bash
# Check the implementation details of useChatUI across files
rg "useChatUI" -A 5 templates/types/streaming/nextjs/app/components/ui/chat/

# Check for any remaining old state management patterns
rg "setRequestData|requestData" templates/types/streaming/nextjs/app/components/ui/chat/

Length of output: 10100

templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (2)

39-40: Verify the resetUploadedFiles prop functionality

Ensure that the resetUploadedFiles prop passed to <ChatInput> correctly resets the uploaded files when needed. Verify that it's wired up properly and behaving as expected.


63-63: Confirm the onUpload handler matches expected signature

Make sure that the handleUploadFile function provided to ChatInput.Upload's onUpload prop adheres to the expected signature and handles different file types and potential errors appropriately.

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Actionable comments posted: 2

🧹 Outside diff range and nitpick comments (6)
templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (3)

10-11: Add type safety to component props and hook usage

Consider adding explicit type annotations to improve type safety and documentation.

-export default function CustomChatMessages() {
-  const { messages, append } = useChatUI();
+export default function CustomChatMessages(): JSX.Element {
+  const { messages, append } = useChatUI<ChatMessage>();

Line range hint 35-52: Improve error handling and loading states

The current implementation lacks proper error handling and loading state management for the API call.

Consider implementing:

  1. Loading state indicator
  2. Error state UI feedback
  3. Retry mechanism for failed API calls
  4. Cleanup for unmounted component
function StarterQuestions() {
  const { backend } = useClientConfig();
  const { append } = useChatUI();
  const [starterQuestions, setStarterQuestions] = useState<string[]>();
+ const [isLoading, setIsLoading] = useState(false);
+ const [error, setError] = useState<Error | null>(null);

  useEffect(() => {
    if (!starterQuestions) {
+     setIsLoading(true);
+     setError(null);
+     const controller = new AbortController();
      fetch(`${backend}/api/chat/config`, {
+       signal: controller.signal
      })
        .then((response) => {
+         if (!response.ok) throw new Error('Failed to fetch starter questions');
          return response.json();
        })
        .then((data) => {
          if (data?.starterQuestions) {
            setStarterQuestions(data.starterQuestions);
          }
        })
        .catch((error) => {
+         if (error.name === 'AbortError') return;
+         setError(error);
          console.error("Error fetching config", error);
        })
+       .finally(() => setIsLoading(false));
+     return () => controller.abort();
    }
  }, [starterQuestions, backend]);

56-57: Consider responsive design improvements

The current fixed margins (mx-20) and grid layout might not work well on smaller screens.

-<div className="absolute bottom-6 left-0 w-full">
-  <div className="grid grid-cols-2 gap-2 mx-20">
+<div className="absolute bottom-6 left-0 w-full px-4 sm:px-20">
+  <div className="grid grid-cols-1 sm:grid-cols-2 gap-2">
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/index.tsx (3)

30-35: Well-structured component with simplified props

Good job simplifying the component interface by leveraging hooks. This reduces prop drilling and makes the component more maintainable.

Consider documenting the expected shape of the data returned by useChatMessage hook in a comment, as it's a critical part of the component's contract.


Line range hint 35-58: Consider extracting annotation processing logic

The annotation processing logic could be simplified by extracting it into a custom hook or utility function.

Consider refactoring like this:

function useMessageAnnotations(annotations?: MessageAnnotation[]) {
  if (!annotations?.length) return null;
  
  return {
    imageData: getAnnotationData<ImageData>(annotations, MessageAnnotationType.IMAGE),
    contentFileData: getAnnotationData<DocumentFileData>(annotations, MessageAnnotationType.DOCUMENT_FILE),
    // ... other annotation data
  };
}

This would simplify the component and make the annotation processing logic reusable.


Line range hint 59-114: Consider extracting content configuration

The content configuration array, while flexible, mixes concerns of ordering and component rendering.

Consider extracting the content configuration to a separate constant or custom hook:

const CONTENT_SECTIONS = {
  IMAGE: { order: 1, component: ChatImage },
  EVENTS: { order: -3, component: ChatEvents },
  // ... other sections
} as const;

function useMessageContent(message, isLast, append) {
  return Object.entries(CONTENT_SECTIONS)
    .map(([key, { order, component: Component }]) => ({
      order,
      component: getComponentData(key, message) ? 
        <Component data={getComponentData(key, message)} /> : 
        null
    }));
}

This would make the content structure more maintainable and easier to modify.

📜 Review details

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Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between c30edb2 and 97eac2b.

📒 Files selected for processing (2)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message/index.tsx (5 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (2 hunks)
🧰 Additional context used
📓 Path-based instructions (2)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/index.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

🔇 Additional comments (3)
templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (1)

17-20: ⚠️ Potential issue

Fix unreliable message comparison in isLast prop

The current implementation uses object reference equality which may be unreliable. This issue was previously identified and remains unfixed.

-isLast={message === messages[messages.length - 1]}
+isLast={message.id === messages[messages.length - 1]?.id}
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/index.tsx (2)

Line range hint 1-29: LGTM: Clean import structure aligned with new architecture

The imports reflect the shift to using @llamaindex/chat-ui hooks while maintaining necessary type definitions for chat functionality.


Line range hint 115-125: LGTM: Clean and efficient rendering logic

The render logic effectively handles content ordering and layout while maintaining React best practices.

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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (3)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx (1)

5-8: Consider documenting the OpenAI model behavior

The preprocessMedia function handles an important edge case with OpenAI models. Consider adding a more detailed comment explaining when and why this URL modification is necessary.

 const preprocessMedia = (content: string) => {
-  // Remove `sandbox:` from the beginning of the URL
-  // to fix OpenAI's models issue appending `sandbox:` to the relative URL
+  // OpenAI models sometimes prepend URLs with prefixes like 'sandbox:', 'attachment:', or 'snt:'
+  // This preprocessing step removes these prefixes to ensure proper URL handling
+  // Example: 'sandbox:/images/example.png' -> '/images/example.png'
   return content.replace(/(sandbox|attachment|snt):/g, "");
 };
templates/types/streaming/nextjs/app/components/ui/chat/widgets/LlamaCloudSelector.tsx (2)

100-102: Consider extracting environment check to a constant.

The environment variable check could be made more maintainable by extracting it to a constant at the top of the file.

+const LLAMA_CLOUD_ENABLED = process.env.NEXT_PUBLIC_USE_LLAMACLOUD === "true";
+
 export function LlamaCloudSelector({
   onSelect,
   defaultPipeline,
   shouldCheckValid = false,
 }: LlamaCloudSelectorProps) {
   // ...
-  if (process.env.NEXT_PUBLIC_USE_LLAMACLOUD !== "true") {
+  if (!LLAMA_CLOUD_ENABLED) {
     return null;
   }

Line range hint 162-199: Consider enhancing TypeScript type safety.

The isValid function could benefit from more explicit TypeScript types.

 function isValid(
-  projects: LLamaCloudProject[] | undefined,
-  pipeline: PipelineConfig | undefined,
+  projects: readonly LLamaCloudProject[] | null | undefined,
+  pipeline: Readonly<PipelineConfig> | null | undefined,
   logErrors: boolean = true,
-): boolean {
+): boolean {
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🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 97eac2b and 3fa6ed6.

📒 Files selected for processing (5)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-starter.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message/codeblock.tsx (0 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/widgets/LlamaCloudSelector.tsx (3 hunks)
💤 Files with no reviewable changes (1)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message/codeblock.tsx
🧰 Additional context used
📓 Path-based instructions (4)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-starter.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/widgets/LlamaCloudSelector.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

🪛 eslint
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-starter.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/widgets/LlamaCloudSelector.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

🔇 Additional comments (10)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message/markdown.tsx (2)

1-2: LGTM! Successfully migrated to @llamaindex/chat-ui

The refactoring aligns well with the PR objectives, simplifying the implementation by leveraging the MarkdownUI component from @llamaindex/chat-ui. This change reduces maintenance overhead and provides a more consistent UI experience.

Also applies to: 21-25

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


19-25: Verify the backend configuration usage

The component now uses the backend configuration from useClientConfig. Let's verify that this configuration is properly set up throughout the application.

✅ Verification successful

Based on the results, I can now generate the final response:

Backend configuration is properly integrated across the application

The verification shows consistent usage of the useClientConfig hook throughout the application:

  • The hook is properly defined in hooks/use-config.ts and returns the backend origin
  • The backend configuration is consistently consumed by various components including chat sections, widgets, and markdown components
  • The MarkdownUI component receives the backend prop from the same configuration source
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check how backend configuration is used across the codebase
# Expected: Find consistent usage of useClientConfig hook and backend configuration

# Search for useClientConfig hook usage
echo "Checking useClientConfig usage:"
rg -A 3 "useClientConfig"

# Search for backend prop usage in MarkdownUI
echo -e "\nChecking MarkdownUI backend prop usage:"
ast-grep --pattern 'MarkdownUI $$$backend={$_}$$$'

Length of output: 6981

templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-starter.tsx (2)

1-3: LGTM! Dependencies are well-organized.

The imports are clean and necessary for the component's functionality.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


9-20: Verify backend URL and consider adding caching.

The current implementation might benefit from additional safeguards and optimizations:

  1. Backend URL validation
  2. Request caching to prevent unnecessary API calls
  3. Retry mechanism for failed requests

Let's verify the backend URL usage across the codebase:

Consider implementing a caching mechanism using React Query or SWR to optimize the config data fetching:

// Example using SWR
import useSWR from 'swr'

const fetcher = (url: string) => fetch(url).then(r => r.json())
const { data, error } = useSWR(`${backend}/api/chat/config`, fetcher)
templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (3)

3-6: Missing package dependency: @llamaindex/chat-ui

The code imports components from @llamaindex/chat-ui, but this package is not listed in the project's dependencies.

🧰 Tools
🪛 eslint

[error] 3-undefined: Parsing error: The keyword 'import' is reserved


8-31: Clean implementation with proper component composition!

The component is well-structured with:

  • Proper use of message IDs as keys
  • Clear separation of concerns
  • Efficient state management using useChatUI hook

28-28: Verify ChatStarter integration with backend config

As per previous review comment, ensure that the ChatStarter component still fetches the configuration from ${backend}/api/chat/config.

✅ Verification successful

ChatStarter component correctly maintains backend config integration

The verification confirms that the ChatStarter component (located at templates/types/streaming/nextjs/app/components/ui/chat/chat-message/chat-starter.tsx) correctly fetches configuration from ${backend}/api/chat/config endpoint as required.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check if ChatStarter component maintains the backend config fetch
rg -A 5 "fetch.*api/chat/config" ./templates/types/streaming/nextjs/app/components/ui/chat/chat-starter.tsx

Length of output: 224


Script:

#!/bin/bash
# First, let's find the actual location of ChatStarter component
fd -t f "chat-starter" 

# Then check the content of the file to verify the backend config fetch
rg -A 5 "fetch.*config" 

Length of output: 3186

templates/types/streaming/nextjs/app/components/ui/chat/widgets/LlamaCloudSelector.tsx (3)

Line range hint 1-30: LGTM! Clean type definitions and imports.

The addition of the useChatUI hook import aligns well with the integration of the llamaindex chat-ui library. The type definitions are comprehensive and well-structured.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


50-50: LGTM! Clean hook integration.

The useChatUI hook is properly integrated and used effectively for managing request data state.


Line range hint 67-78: Verify LlamaCloud API endpoint configuration.

The component makes API calls to /api/chat/config/llamacloud. Let's verify the endpoint implementation and environment variable usage.

✅ Verification successful

Based on the results, I can now generate the final response since we have comprehensive information about the LlamaCloud integration:

LlamaCloud integration is properly configured across the codebase

The API endpoint and environment variables are correctly implemented:

  • /api/chat/config/llamacloud/route.ts exists and properly handles the configuration endpoint
  • Environment variables are consistently used:
    • NEXT_PUBLIC_USE_LLAMACLOUD for feature flagging
    • Required backend variables (LLAMA_CLOUD_API_KEY, LLAMA_CLOUD_PROJECT_NAME, LLAMA_CLOUD_INDEX_NAME) are properly validated
  • Error handling is in place for missing configurations and invalid project/pipeline scenarios
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check for API route implementation
echo "Checking for API route implementation..."
fd --type f "route.ts$" "api/chat/config/llamacloud"

# Check for environment variable usage
echo "Checking for NEXT_PUBLIC_USE_LLAMACLOUD usage..."
rg "NEXT_PUBLIC_USE_LLAMACLOUD"

# Check for other LlamaCloud related configuration
echo "Checking for other LlamaCloud configuration..."
rg "LLAMA_CLOUD_" --type ts

Length of output: 4958

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

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Actionable comments posted: 2

🧹 Outside diff range and nitpick comments (2)
templates/types/streaming/nextjs/app/components/ui/chat/chat-avatar.tsx (1)

5-6: Great refactor using the Chat UI hook!

The changes improve the component in several ways:

  1. More descriptive component name
  2. Reduced prop drilling by using context through useChatMessage
  3. Better integration with the LlamaIndex Chat UI ecosystem
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1)

12-21: Consider adding type safety for custom content array.

While the implementation is correct, consider adding explicit typing for the custom content array to improve maintainability and type safety.

-  const customContent = [
+  const customContent: Array<{
+    position: ContentPosition;
+    component: React.ReactNode;
+  }> = [
📜 Review details

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Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 3fa6ed6 and db177fa.

📒 Files selected for processing (3)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-avatar.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (1 hunks)
🧰 Additional context used
📓 Path-based instructions (3)
templates/types/streaming/nextjs/app/components/ui/chat/chat-avatar.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

🪛 eslint
templates/types/streaming/nextjs/app/components/ui/chat/chat-avatar.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

🔇 Additional comments (5)
templates/types/streaming/nextjs/app/components/ui/chat/chat-avatar.tsx (2)

1-3: LGTM! Clean import declarations.

The imports are well-organized and all dependencies are being used appropriately.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


Line range hint 7-24: Verify message role handling.

While the rendering logic is correct, let's ensure proper handling of all possible message roles.

Let's check what roles are used throughout the codebase:

✅ Verification successful

Based on the search results, I can now generate the final response:

Message role handling is properly implemented

The codebase consistently uses two roles throughout:

  • "user" - for user messages
  • "assistant" - for AI responses

The current implementation in chat-avatar.tsx correctly handles these cases:

  • "user" role gets the User2 icon
  • Any other role (which would be "assistant") gets the llama image
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Find all message role assignments and usages
# This helps verify we're handling all possible role values

# Search for role assignments or comparisons
rg -g '*.{ts,tsx,js,jsx}' "message\.role|role\s*=|role:[^:]" -A 2

# Search for any constants or enums defining roles
rg -g '*.{ts,tsx,js,jsx}' "enum.*Role|type.*Role|Role\s*=|ROLE_"

Length of output: 6838

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/chat-messages.tsx (2)

13-23: Consider using message ID for isLast comparison

The current implementation uses array index comparison which could be unreliable if messages are re-rendered. Consider using message IDs for a more robust comparison.

-isLast={index === messages.length - 1}
+isLast={message.id === messages[messages.length - 1]?.id}

8-28: Well-structured implementation of chat messages component

The component demonstrates good practices:

  • Proper use of the ChatMessages component hierarchy
  • Clean integration with local avatar and content components
  • Correct usage of message.id as key in iterations
  • Includes loading and action states
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1)

1-10: LGTM! Dependencies are well-organized.

The imports are properly structured with clear separation between external libraries and local components.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (1)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1)

9-23: Add JSDoc documentation for the component.

The component lacks documentation explaining its purpose, usage, and relationship with the chat UI system. Consider adding JSDoc comments to improve maintainability.

Add documentation like this:

+/**
+ * ChatMessageContent component renders the content of a chat message using the LlamaIndex Chat UI.
+ * It supports custom content positioning and markdown rendering.
+ * 
+ * @component
+ * @example
+ * ```tsx
+ * <ChatMessageContent />
+ * ```
+ */
 export function ChatMessageContent() {
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Reviewing files that changed from the base of the PR and between 05d177a and 958d353.

📒 Files selected for processing (1)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1 hunks)
🧰 Additional context used
📓 Path-based instructions (1)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

🪛 eslint
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

🔇 Additional comments (1)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1)

1-7: LGTM! Well-organized imports.

The imports are properly structured, separating external library imports from local component imports.

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[error] 1-undefined: Parsing error: The keyword 'import' is reserved

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Actionable comments posted: 4

🧹 Outside diff range and nitpick comments (3)
templates/types/streaming/nextjs/app/components/ui/chat/widgets/Artifact.tsx (3)

Line range hint 93-106: Enhance accessibility for interactive elements.

Consider the following accessibility improvements:

  • Add aria-labels to interactive elements
  • Implement proper focus management when the panel opens/closes
  • Add aria-live regions for loading states

Apply these improvements:

 <div
   className="w-[45vw] fixed top-0 right-0 h-screen z-50 artifact-panel animate-slideIn"
   ref={panelRef}
+  role="dialog"
+  aria-label="Code artifact details"
 >
   {sandboxCreating && (
     <div className="flex justify-center items-center h-full">
-      <Loader2 className="h-6 w-6 animate-spin" />
+      <Loader2 
+        className="h-6 w-6 animate-spin"
+        aria-label="Loading sandbox"
+      />
+      <div aria-live="polite" className="sr-only">
+        Creating sandbox environment
+      </div>
     </div>
   )}

Also applies to: 182-196


Line range hint 289-307: Enhance sandbox security measures.

While the sandbox implementation is good, consider these security improvements:

  • Add additional sandbox restrictions
  • Implement Content Security Policy (CSP) headers
  • Add error boundary for iframe failures

Consider these enhancements:

 <iframe
   key={url}
   ref={iframeRef}
   className="h-full w-full"
-  sandbox="allow-forms allow-scripts allow-same-origin"
+  sandbox="allow-forms allow-scripts allow-same-origin allow-popups"
+  referrerPolicy="no-referrer"
   loading="lazy"
   src={url}
   onLoad={() => setLoading(false)}
+  onError={(e) => {
+    console.error('Iframe loading failed:', e);
+    setLoading(false);
+  }}
 />

Line range hint 419-449: Replace direct DOM manipulation with React patterns.

The current implementation using direct DOM manipulation is problematic:

  • It's an anti-pattern in React
  • Could cause issues with SSR
  • Makes the component tightly coupled to DOM structure

Consider refactoring to use React state management:

+import { create } from 'zustand'
+
+interface PanelStore {
+  isOpen: boolean
+  setIsOpen: (open: boolean) => void
+}
+
+const usePanelStore = create<PanelStore>((set) => ({
+  isOpen: false,
+  setIsOpen: (open) => set({ isOpen: open }),
+}))
+
+function Layout({ children }: { children: React.ReactNode }) {
+  const isOpen = usePanelStore((state) => state.isOpen)
+  return (
+    <main className={cn(
+      'transition-all duration-300',
+      isOpen ? 'w-[55vw] px-8' : 'w-screen'
+    )}>
+      {children}
+    </main>
+  )
+}

Replace the openPanel and closePanel functions with the store:

-function openPanel() {
-  const artifactPanels = document.querySelectorAll(".artifact-panel");
-  artifactPanels.forEach((panel) => {
-    panel.classList.add("hidden");
-  });
-
-  const mainDiv = document.querySelector("main");
-  mainDiv?.classList.remove("w-screen");
-  mainDiv?.classList.add("w-[55vw]");
-  mainDiv?.classList.add("px-8");
-}
-
-function closePanel() {
-  const mainDiv = document.querySelector("main");
-  mainDiv?.classList.remove("w-[55vw]");
-  mainDiv?.classList.remove("px-8");
-  mainDiv?.classList.add("w-screen");
-
-  const artifactPanels = document.querySelectorAll(".artifact-panel");
-  artifactPanels.forEach((panel) => {
-    panel.classList.add("hidden");
-  });
-}
+const { setIsOpen } = usePanelStore()
+
+// In your component:
+const handleOpenPanel = () => {
+  setIsOpen(true)
+}
+
+const handleClosePanel = () => {
+  setIsOpen(false)
+}
📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 958d353 and 8043dbf.

📒 Files selected for processing (4)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-starter.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/widgets/Artifact.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/widgets/Markdown.tsx (1 hunks)
🧰 Additional context used
📓 Path-based instructions (4)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-starter.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/widgets/Artifact.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/widgets/Markdown.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

🪛 eslint
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/chat-starter.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/widgets/Markdown.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

🔇 Additional comments (10)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (3)

1-7: LGTM! Well-organized imports.

The imports are properly structured with external dependencies first, followed by local imports.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


9-20: Previous review comments about type safety and performance optimizations are still applicable.

The implementation would benefit from the improvements suggested in the previous review comments regarding:

  1. TypeScript return type annotation
  2. Error handling for undefined message
  3. Memoization of customContent array

Let's verify the Markdown component import path:

#!/bin/bash
# Description: Verify the Markdown component exists at the specified path
# Expected: Find the Markdown component in the widgets directory

fd -t f "Markdown.tsx" -p "widgets"

1-20: Verify @llamaindex/chat-ui integration configuration.

Since this component is part of the llamaindex chat-ui integration, ensure that:

  1. The necessary @llamaindex/chat-ui provider components are properly set up in the parent tree
  2. The chat-ui library version is compatible with your application

Let's check the chat-ui setup:

✅ Verification successful

Integration with @llamaindex/chat-ui is properly configured

The codebase shows correct implementation of the chat-ui library:

  • ChatSectionUI provider is properly set up in chat-section.tsx
  • All required components (ChatMessage, ChatMessages, etc.) are correctly imported and used
  • Package version (^0.0.2) is specified in package.json
  • Custom components are properly integrated with the chat-ui context hooks
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check for chat-ui provider setup and package version
# Expected: Find chat-ui provider setup in parent components and package.json

# Check for provider components
rg -l "ChatProvider|ChatContextProvider" --type tsx

# Check package version
fd "package.json" --exec jq -r '.dependencies["@llamaindex/chat-ui"] // empty'

Length of output: 167


Script:

#!/bin/bash
# Let's try different approaches to find provider components
# Check for imports and usage of ChatProvider
rg "ChatProvider|ChatContextProvider" -A 5

# Look for files that might contain the chat setup
fd -e ts -e tsx -e js -e jsx --exec grep -l "chat"

# Check the package.json content for peer dependencies
fd "package.json" --exec cat {}

Length of output: 8427


Script:

#!/bin/bash
# Let's check the chat setup in the Next.js app
# Looking for ChatProvider setup in the app layout or page components
rg -A 10 "import.*@llamaindex/chat-ui" ./templates/types/streaming/nextjs/app/

# Check the chat section component which might contain the provider
cat ./templates/types/streaming/nextjs/app/components/chat-section.tsx

Length of output: 8355

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/widgets/Markdown.tsx (2)

1-2: LGTM! Clean and well-organized imports

The imports are properly structured, importing only what's needed from both external and internal dependencies.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


10-16: LGTM! Well-structured TypeScript props

The component props are properly typed and structured, making the interface clear and type-safe.

templates/types/streaming/nextjs/app/components/ui/chat/chat-starter.tsx (3)

1-3: LGTM! Clean and well-organized imports.

The imports are properly structured and all imported items are utilized in the component.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


12-12: Verify backend URL security.

Ensure that the backend URL from useClientConfig is properly sanitized and validated to prevent potential security issues.

✅ Verification successful

Let me search for the implementation of getBackendOrigin to verify the URL validation.


Backend URL validation is properly implemented

The getBackendOrigin function implements proper URL validation by:

  • Using the URL constructor to validate and parse the NEXT_PUBLIC_CHAT_API environment variable
  • Extracting only the origin part of the URL, which ensures a clean base URL
  • Providing fallbacks to window.ENV.BASE_URL or empty string when environment variable is not available
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for backend URL validation in the useClientConfig hook
rg -A 5 "useClientConfig" 

Length of output: 8097


Script:

#!/bin/bash
# Search for getBackendOrigin implementation
rg -A 10 "getBackendOrigin" 

Length of output: 2552


23-24: 🛠️ Refactor suggestion

Enhance render logic with loading and error states.

The current render logic doesn't provide feedback during loading or when errors occur.

-  if (!starterQuestions?.length) return null;
+  if (isLoading) return <div>Loading starter questions...</div>;
+  if (error) return <div className="text-red-500">{error}</div>;
+  if (!starterQuestions.length) return null;
   return <StarterQuestions append={append} questions={starterQuestions} />;

Likely invalid or redundant comment.

templates/types/streaming/nextjs/app/components/ui/chat/widgets/Artifact.tsx (2)

Line range hint 47-47: Well-implemented error handling!

The error handling implementation is comprehensive:

  • Captures and displays specific error messages
  • Uses appropriate visual styling for error states
  • Provides good context to users

Also applies to: 85-92


15-15: Verify the Markdown component's new location.

The import path has changed from ../chat-message/markdown to ../widgets/Markdown. Let's verify this reorganization.

✅ Verification successful

Import path change is correct and consistent

The import path change from ../chat-message/markdown to ../widgets/Markdown is verified to be correct. The evidence shows:

  • The Markdown component exists at the new location: ./templates/types/streaming/nextjs/app/components/ui/chat/widgets/Markdown.tsx
  • All imports of the Markdown component are consistently using the new path
  • No references to the old path chat-message/markdown exist in the codebase
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the Markdown component's location and usage
# Test 1: Check if the old location still exists
rg -l "chat-message/markdown"

# Test 2: Verify the new location exists
fd -t f "Markdown.tsx" -x echo "Found at: {}"

# Test 3: Check for any remaining references to the old path
rg "from.*chat-message/markdown"

Length of output: 199


Script:

#!/bin/bash
# Let's verify the import changes more thoroughly

# Check the content of both old and new locations to confirm the component move
echo "=== Content of Markdown component ==="
cat "./templates/types/streaming/nextjs/app/components/ui/chat/widgets/Markdown.tsx"

# Check for any other files importing Markdown to ensure consistency
echo -e "\n=== Files importing Markdown ==="
rg "import.*Markdown" -A 1

# Check git history for the file move
echo -e "\n=== Git history of the file ==="
git log --follow --name-status -- "**/Markdown.tsx" "**/markdown.tsx"

Length of output: 1865

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Actionable comments posted: 2

🧹 Outside diff range and nitpick comments (3)
templates/types/streaming/nextjs/app/components/ui/chat/widgets/Markdown.tsx (1)

11-17: Add prop validation for required content

Consider adding validation to ensure the content prop is not empty or just whitespace.

 export function Markdown({
   content,
   sources,
 }: {
   content: string;
   sources?: SourceData;
 }) {
+  if (!content?.trim()) {
+    return null;
+  }
templates/types/streaming/nextjs/app/components/ui/chat/chat-starter.tsx (1)

24-26: Consider making the null check more explicit.

The current check combines both undefined and empty array checks. Consider separating these for better clarity:

-if (!starterQuestions?.length) return null;
+if (!starterQuestions) return null;
+if (starterQuestions.length === 0) return null;
templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (1)

35-63: Consider enhancing accessibility and responsive design

While the component structure is clean, consider adding:

  1. ARIA labels for better screen reader support
  2. Responsive styling for the document preview overflow

Apply these enhancements:

 <ChatInput
-  className="shadow-xl rounded-xl"
+  className="shadow-xl rounded-xl" 
+  aria-label="Chat message input"
   resetUploadedFiles={reset}
   annotations={annotations}
 >
   <div>
     {imageUrl && (
       <ImagePreview url={imageUrl} onRemove={() => setImageUrl(null)} />
     )}
     {files.length > 0 && (
-      <div className="flex gap-4 w-full overflow-auto py-2">
+      <div className="flex gap-4 w-full overflow-auto py-2 scrollbar-thin scrollbar-thumb-gray-300">
📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 8043dbf and 3fa98be.

📒 Files selected for processing (3)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (2 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-starter.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/widgets/Markdown.tsx (1 hunks)
🧰 Additional context used
📓 Path-based instructions (3)
templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-starter.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/widgets/Markdown.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

🪛 eslint
templates/types/streaming/nextjs/app/components/ui/chat/chat-starter.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/widgets/Markdown.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

🔇 Additional comments (9)
templates/types/streaming/nextjs/app/components/ui/chat/widgets/Markdown.tsx (2)

1-3: LGTM! Clean import structure

Imports are well-organized with clear separation between external and internal dependencies.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


5-9: Skip: Existing review comment covers the regex improvement suggestion

templates/types/streaming/nextjs/app/components/ui/chat/chat-starter.tsx (5)

1-4: LGTM! Dependencies are properly imported.

The imports are clean and necessary for the component's functionality.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


6-8: LGTM! Component structure follows React best practices.

The component is properly exported and hooks are correctly used.


9-9: Previous review comment about initializing with empty array is still applicable.


11-22: 🛠️ Refactor suggestion

Consider moving the API endpoint to a configuration constant.

The API endpoint /api/chat/config is hardcoded. Consider moving it to a configuration constant or environment variable for better maintainability.

+const CHAT_CONFIG_ENDPOINT = '/api/chat/config';
+
 export function ChatStarter() {
   // ...
   useEffect(() => {
     if (!starterQuestions) {
-      fetch(`${backend}/api/chat/config`)
+      fetch(`${backend}${CHAT_CONFIG_ENDPOINT}`)

Previous review comment about error handling improvements is still applicable.


1-26: Verify chat-ui integration across the codebase.

Let's ensure the chat-ui components are consistently integrated across the codebase.

✅ Verification successful

Based on the shell script results, I can now generate the final response:

Chat UI integration is properly implemented and consistent

The codebase shows a well-structured integration of the @llamaindex/chat-ui library:

  • StarterQuestions component is used exclusively in chat-starter.tsx
  • useChatUI hook is consistently used across chat components for state management
  • Backend implementations (FastAPI, Express, Next.js) properly support the starter questions feature
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check for consistent usage of chat-ui components and hooks

# Test 1: Check for other usages of StarterQuestions component
echo "Checking StarterQuestions usage:"
rg "StarterQuestions" -A 3

# Test 2: Check for other usages of useChatUI hook
echo "Checking useChatUI hook usage:"
rg "useChatUI" -A 3

# Test 3: Check for potential duplicate chat starter implementations
echo "Checking for potential duplicate implementations:"
rg "starter.*questions" -i

Length of output: 8910

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (2)

1-6: LGTM! Clean and well-organized imports

The imports are properly structured, utilizing specific components and hooks from @llamaindex/chat-ui while maintaining clear separation between external and internal dependencies.


Line range hint 8-19: Verify the backend API endpoint configuration

The uploadAPI endpoint is constructed using the backend configuration. Ensure that the /api/chat/upload endpoint exists and handles file uploads correctly.

✅ Verification successful

Upload endpoint exists and is properly configured

The /api/chat/upload endpoint is correctly implemented in the NextJS app at templates/types/streaming/nextjs/app/api/chat/upload/route.ts. The endpoint:

  • Is configured as a Node.js runtime
  • Handles POST requests
  • Processes file uploads with name, base64, and params
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify the existence of the upload API endpoint handler
# Expected: Find the API route handler for file uploads

# Search for the upload API route handler
rg -t typescript -t javascript "/api/chat/upload" --type-add 'typescript:*.{ts,tsx}' -g 'app/api/**'

Length of output: 135


Script:

#!/bin/bash
# Let's try a different approach to find the upload endpoint handler
# First, let's search for files in the api directory
fd . "app/api"

# Then search for upload-related endpoints with ripgrep
rg -t ts -t tsx "/api/chat/upload"

# Also search for any file upload handlers
rg -t ts -t tsx "upload" "app/api"

Length of output: 233


Script:

#!/bin/bash
# Let's try without file type restrictions and search for upload endpoints
rg "/api/chat/upload"

# Also search for upload-related files and handlers
fd "upload" 

# Search for route handlers in any potential API directories
rg "route\.(ts|js)" --type-add 'typescript:*.{ts,tsx}'

Length of output: 656


Script:

#!/bin/bash
# Let's check the contents of the upload directory in the NextJS app
fd . templates/types/streaming/nextjs/app/api/chat/upload/

# And examine its contents
rg -A 5 "export" templates/types/streaming/nextjs/app/api/chat/upload/

Length of output: 936

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Actionable comments posted: 1

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 3fa98be and 57368ea.

📒 Files selected for processing (1)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1 hunks)
🧰 Additional context used
📓 Path-based instructions (1)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

🪛 eslint
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

🔇 Additional comments (2)
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (2)

1-8: LGTM! Clean and well-organized imports.

The imports are properly structured with clear separation between external library and local component imports.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


18-20: 🛠️ Refactor suggestion

Strengthen type safety for source annotations.

The current source annotation handling could benefit from stronger type safety and validation.

Let's verify the source annotation structure:

Consider adding type validation:

interface SourceAnnotation {
  text: string;
  metadata?: Record<string, unknown>;
}

function validateSourceAnnotation(data: unknown): SourceAnnotation | null {
  if (!data || typeof data !== 'object') return null;
  return data as SourceAnnotation;
}

Then use it in the component:

-sources={getSourceAnnotationData(message.annotations)?.[0]}
+sources={validateSourceAnnotation(getSourceAnnotationData(message.annotations)?.[0])}

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nice

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Actionable comments posted: 1

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 57368ea and 1eaaa54.

📒 Files selected for processing (1)
  • templates/types/streaming/nextjs/app/components/chat-section.tsx (1 hunks)
🧰 Additional context used
📓 Path-based instructions (1)
templates/types/streaming/nextjs/app/components/chat-section.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

🪛 eslint
templates/types/streaming/nextjs/app/components/chat-section.tsx

[error] 3-undefined: Parsing error: The keyword 'import' is reserved

🔇 Additional comments (3)
templates/types/streaming/nextjs/app/components/chat-section.tsx (3)

3-8: LGTM! Well-structured imports with proper styling.

The imports are well organized, including necessary styles for code highlighting and math rendering, showing good attention to UI requirements.

🧰 Tools
🪛 eslint

[error] 3-undefined: Parsing error: The keyword 'import' is reserved


13-19: Previous error handling concerns remain valid.

The current implementation still uses alert() for error messages and has unsafe JSON parsing, as noted in the previous review.


3-5: Verify @llamaindex/chat-ui integration completeness.

Let's verify that all required dependencies and components are properly set up:

🧰 Tools
🪛 eslint

[error] 3-undefined: Parsing error: The keyword 'import' is reserved

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (1)
templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (1)

35-65: Consider accessibility improvements

The UI components could benefit from enhanced accessibility features.

Consider these improvements:

 <ChatInput
   className="shadow-xl rounded-xl"
   resetUploadedFiles={reset}
   annotations={annotations}
+  aria-label="Chat message input"
 >
   <div>
     {imageUrl && (
       <ImagePreview 
         url={imageUrl} 
         onRemove={() => setImageUrl(null)} 
+        aria-label="Uploaded image preview"
       />
     )}
     {files.length > 0 && (
-      <div className="flex gap-4 w-full overflow-auto py-2">
+      <div 
+        className="flex gap-4 w-full overflow-auto py-2"
+        role="list"
+        aria-label="Uploaded documents"
+      >
📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between e00f9fc and 5d57323.

📒 Files selected for processing (1)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (2 hunks)
🧰 Additional context used
📓 Path-based instructions (1)
templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

🔇 Additional comments (3)
templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (3)

1-6: LGTM! Imports are well-organized

The imports are properly structured with clear separation between external libraries and local components.


Line range hint 8-19: Component cleanup needed

The previous review comment about cleanup on component unmount is still valid. Consider implementing useEffect for cleanup when the component unmounts.


21-33: 🛠️ Refactor suggestion

Alert usage needs improvement

The previous review comment about replacing alerts with non-blocking notifications is still valid.

Enhance error handling robustness

Consider adding more specific error handling:

 const handleUploadFile = async (file: File) => {
+  if (!file) {
+    alert("No file selected");
+    return;
+  }
   if (imageUrl) {
     alert("You can only upload one image at a time.");
     return;
   }
   try {
     await uploadFile(file, requestData);
   } catch (error: any) {
-    alert(error.message);
+    const errorMessage = error.message || "Failed to upload file";
+    alert(errorMessage);
   }
 };

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Actionable comments posted: 8

🧹 Outside diff range and nitpick comments (7)
templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (2)

Line range hint 1-19: LGTM! Consider adding JSDoc for the component.

The imports are well-organized and the hook usage follows React patterns correctly.

Add JSDoc to document the component's purpose and props:

+"/**
+ * CustomChatInput - A chat input component that handles text input and file uploads
+ * using the LlamaIndex Chat UI library.
+ */
 export default function CustomChatInput() {

68-75: Add loading indicator during file upload.

The UI should indicate when a file is being uploaded to provide better user feedback.

 <ChatInput.Form>
   <ChatInput.Field />
-  <ChatInput.Upload onUpload={handleUploadFile} />
+  <ChatInput.Upload 
+    onUpload={handleUploadFile}
+    loading={isLoading}
+  />
   <LlamaCloudSelector />
   <ChatInput.Submit
     disabled={isLoading || (!input.trim() && files.length === 0)}
   />
 </ChatInput.Form>
templates/types/streaming/nextjs/app/components/ui/chat/tools/chat-tools.tsx (1)

20-21: TODO comment needs clarification or removal

The TODO comment is vague. Consider either removing it if the component is complete or adding specific details about what types of renderers might be needed.

templates/types/streaming/nextjs/app/components/ui/chat/custom/llama-cloud-selector.tsx (3)

Line range hint 50-65: Consider adding type safety and improving edge case handling.

While the transition to context-based state management is good, consider these improvements:

  1. Add type safety for request data
  2. Handle the case when both context and callback are present consistently

Consider this implementation:

- const { setRequestData } = useChatUI();
+ const { setRequestData } = useChatUI<{
+   llamaCloudPipeline?: PipelineConfig;
+ }>();

  const updateRequestParams = useCallback(
    (pipeline?: PipelineConfig) => {
-     if (setRequestData) {
-       setRequestData({
-         llamaCloudPipeline: pipeline,
-       });
-     } else {
+     // Always notify via callback if provided
+     if (onSelect) {
        onSelect?.(pipeline);
      }
+     // Update context if available
+     setRequestData?.({
+       llamaCloudPipeline: pipeline,
+     });
    },
    [onSelect, setRequestData],
  );

Line range hint 67-89: Consider improving error handling UX.

The current error handling using window.alert isn't ideal for a production application. Consider using a more user-friendly approach.

Consider implementing a more elegant error handling solution:

- window.alert(
-   `Error: ${JSON.stringify(errorData) || "Unknown error occurred"}`,
- );
+ // Assuming you have a toast notification system
+ toast.error({
+   title: 'Configuration Error',
+   description: errorData.message || 'Failed to load LlamaCloud configuration',
+ });
🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


Line range hint 182-219: Consider enhancing type safety in validation.

The validation logic is solid but could benefit from stronger type safety and more descriptive error messages.

Consider these improvements:

type ValidationResult = {
  isValid: boolean;
  error?: string;
};

function validateLlamaCloudConfig(
  projects: LLamaCloudProject[] | undefined,
  pipeline: PipelineConfig | undefined,
  logErrors: boolean = true
): ValidationResult {
  if (!projects?.length) {
    return { isValid: false, error: 'No LlamaCloud projects configured' };
  }
  
  if (!pipeline) {
    return { isValid: false, error: 'No pipeline configuration provided' };
  }
  
  // ... rest of the validation logic with improved error messages
}
🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/tools/artifact.tsx (1)

Line range hint 367-405: Consider using a proper state management solution.

The current implementation uses DOM manipulation for panel layout control, which is noted as a hack in the comments. This approach:

  • Is brittle and could break with DOM structure changes
  • May cause issues with React's virtual DOM
  • Could lead to maintenance difficulties

Consider:

  1. Using a proper state management solution (e.g., React Context, Redux)
  2. Managing panel state and layout through React components
  3. Using CSS-in-JS or CSS modules for layout management

Would you like help implementing a more robust solution using React patterns?

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between b134f5a and ca7d84b.

📒 Files selected for processing (9)
  • templates/types/streaming/nextjs/app/components/ui/README-template.md (0 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (2 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/chat.interface.ts (0 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/custom/llama-cloud-selector.tsx (3 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/custom/markdown.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/tools/artifact.tsx (3 hunks)
  • templates/types/streaming/nextjs/app/components/ui/chat/tools/chat-tools.tsx (1 hunks)
  • templates/types/streaming/nextjs/app/observability/index.ts (1 hunks)
💤 Files with no reviewable changes (2)
  • templates/types/streaming/nextjs/app/components/ui/README-template.md
  • templates/types/streaming/nextjs/app/components/ui/chat/chat.interface.ts
✅ Files skipped from review due to trivial changes (1)
  • templates/types/streaming/nextjs/app/observability/index.ts
🧰 Additional context used
📓 Path-based instructions (6)
templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/custom/llama-cloud-selector.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/custom/markdown.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/tools/artifact.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

templates/types/streaming/nextjs/app/components/ui/chat/tools/chat-tools.tsx (1)

Pattern templates/**: For files under the templates folder, do not report 'Missing Dependencies Detected' errors.

🪛 eslint
templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/custom/llama-cloud-selector.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/custom/markdown.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/tools/chat-tools.tsx

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

🪛 Biome
templates/types/streaming/nextjs/app/components/ui/chat/tools/chat-tools.tsx

[error] 63-63: Other switch clauses can erroneously access this declaration.
Wrap the declaration in a block to restrict its access to the switch clause.

The declaration is defined in this switch clause:

Unsafe fix: Wrap the declaration in a block.

(lint/correctness/noSwitchDeclarations)

🔇 Additional comments (14)
templates/types/streaming/nextjs/app/components/ui/chat/custom/markdown.tsx (1)

1-3: LGTM! Imports are well-structured.

The imports are properly organized, with clear separation between external dependencies and local hooks.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/chat-message-content.tsx (1)

1-8: LGTM! Imports are well-organized.

The imports are properly structured and all dependencies are utilized in the component.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved

templates/types/streaming/nextjs/app/components/ui/chat/chat-input.tsx (1)

21-39: Previous review comment about alert() usage is still applicable.

The error handling using alert() can disrupt the user experience.

templates/types/streaming/nextjs/app/components/ui/chat/tools/chat-tools.tsx (4)

1-11: LGTM: Imports are well-structured and necessary

The imports are properly organized and all appear to be used within the component implementations.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


77-89: LGTM: Well-structured type definition

The ToolData type is well-defined with appropriate use of TypeScript features and JSONValue for flexibility.


1-89: Verify integration with @llamaindex/chat-ui

Let's verify the proper usage of chat-ui hooks and components across the codebase.

#!/bin/bash
# Check for consistent usage of chat-ui hooks
echo "Checking for chat-ui hook usage patterns..."
rg "use(Chat|Message)" --type typescript

# Check for potential missing chat-ui components
echo "Checking for chat-ui component imports..."
rg "from ['\"]@llamaindex/chat-ui['\"]" --type typescript
🧰 Tools
🪛 Biome

[error] 63-63: Other switch clauses can erroneously access this declaration.
Wrap the declaration in a block to restrict its access to the switch clause.

The declaration is defined in this switch clause:

Unsafe fix: Wrap the declaration in a block.

(lint/correctness/noSwitchDeclarations)

🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


12-18: 🛠️ Refactor suggestion

Consider adding type safety checks for annotation data

The type casting from annotations to ToolData[] via unknown could be unsafe. Consider adding runtime type validation to ensure data integrity.

Consider adding validation:

 export function ToolAnnotations({ message }: { message: Message }) {
   const annotations = message.annotations as MessageAnnotation[] | undefined;
+  if (annotations?.some(a => !isValidToolAnnotation(a))) {
+    console.warn('Invalid tool annotation detected');
+    return null;
+  }
   const toolData = annotations
     ? (getAnnotationData(annotations, "tools") as unknown as ToolData[])
     : null;
   return toolData?.[0] ? <ChatTools data={toolData[0]} /> : null;
 }
+
+function isValidToolAnnotation(annotation: any): annotation is MessageAnnotation {
+  return (
+    typeof annotation === 'object' &&
+    annotation !== null &&
+    'type' in annotation
+  );
+}
templates/types/streaming/nextjs/app/components/ui/chat/custom/llama-cloud-selector.tsx (3)

1-1: LGTM: Import of useChatUI aligns with the integration objectives.

The addition of useChatUI hook from @llamaindex/chat-ui supports the transition to context-based state management.

🧰 Tools
🪛 eslint

[error] 1-undefined: Parsing error: The keyword 'import' is reserved


Line range hint 31-49: LGTM: Props interface simplification improves component modularity.

The removal of setRequestData prop in favor of context-based state management reduces prop drilling and improves maintainability.


Line range hint 1-219: Verify integration with other chat components.

The implementation successfully integrates the LlamaCloud selector with the chat UI context. The changes align well with the PR objectives of integrating the llamaindex chat-ui.

Let's verify the integration with other chat components:

✅ Verification successful

Integration with chat components is properly implemented

The verification shows that the LlamaCloud selector is correctly integrated within the chat ecosystem:

  • The useChatUI hook is consistently used across chat components (chat-messages, chat-input, chat-starter, chat-tools)
  • The llamaCloudPipeline configuration is properly handled in both TypeScript and Python implementations
  • All necessary @llamaindex/chat-ui imports and dependencies are in place
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for other components using the useChatUI hook
echo "Checking useChatUI hook usage across components:"
rg "useChatUI" --type typescript

# Search for components handling LlamaCloud pipeline configuration
echo "\nChecking LlamaCloud pipeline handling:"
rg "llamaCloudPipeline" --type typescript

Length of output: 342


Script:

#!/bin/bash
# Search for other components using the useChatUI hook
echo "Checking useChatUI hook usage across components:"
rg "useChatUI"

# Search for components handling LlamaCloud pipeline configuration
echo -e "\nChecking LlamaCloud pipeline handling:"
rg "llamaCloudPipeline"

# Search for files importing from @llamaindex/chat-ui
echo -e "\nChecking @llamaindex/chat-ui imports:"
rg "@llamaindex/chat-ui"

Length of output: 4011

templates/types/streaming/nextjs/app/components/ui/chat/tools/artifact.tsx (4)

32-35: LGTM! Well-structured type definition.

The new OutputUrl type improves code organization by extracting the URL-related properties into a reusable type.


42-42: LGTM! Type update maintains compatibility.

The outputUrls property now uses the new OutputUrl type array, maintaining backward compatibility while improving type safety.


Line range hint 280-301: LGTM! Secure implementation of output rendering.

The InterpreterOutput component:

  • Properly types its props using the new OutputUrl type
  • Includes security attributes (rel="noopener noreferrer") for external links
  • Handles both image and non-image files appropriately
  • Uses semantic HTML elements (ul, li) for list rendering

13-13: Verify the Markdown component import path.

The import path has been updated to use a custom Markdown component. Let's verify this path exists.

✅ Verification successful

Import path for Markdown component is valid

The import path ../custom/markdown correctly resolves to the existing file at templates/types/streaming/nextjs/app/components/ui/chat/custom/markdown.tsx.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Check if the custom Markdown component exists
fd -t f "markdown.tsx?" "templates/types/streaming/nextjs/app/components/ui/chat/custom"

Length of output: 164

Comment on lines 72 to 74
<ChatInput.Submit
disabled={isLoading || (!input.trim() && files.length === 0)}
/>
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⚠️ Potential issue

Consider imageUrl in submit button's disabled state.

The submit button's disabled state should also consider imageUrl since it's a valid input type.

-disabled={isLoading || (!input.trim() && files.length === 0)}
+disabled={isLoading || (!input.trim() && files.length === 0 && !imageUrl)}
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
<ChatInput.Submit
disabled={isLoading || (!input.trim() && files.length === 0)}
/>
<ChatInput.Submit
disabled={isLoading || (!input.trim() && files.length === 0 && !imageUrl)}
/>

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (1)
.changeset/nice-garlics-repeat.md (1)

4-5: Enhance the changeset description for better clarity.

The current description could be more detailed to reflect the significant changes made:

  1. Use the correct spelling "Next.js" instead of "nextjs"
  2. Include details about the major changes, such as:
    • Integration of @llamaindex/chat-ui components
    • Refactoring of existing chat components
    • Removal of old components

Here's a suggested improvement:

-feat: use llamaindex chat-ui for nextjs frontend
+feat: integrate LlamaIndex chat-ui for Next.js frontend
+
+- Integrate @llamaindex/chat-ui library components
+- Refactor chat components for improved modularity
+- Replace existing chat interface with new implementation
+- Remove deprecated chat-related components
🧰 Tools
🪛 LanguageTool

[uncategorized] ~5-~5: The official spelling of this programming framework is “Next.js”.
Context: ...h --- feat: use llamaindex chat-ui for nextjs frontend

(NODE_JS)

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Review profile: CHILL

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📒 Files selected for processing (1)
  • .changeset/nice-garlics-repeat.md (1 hunks)
🧰 Additional context used
🪛 LanguageTool
.changeset/nice-garlics-repeat.md

[uncategorized] ~5-~5: The official spelling of this programming framework is “Next.js”.
Context: ...h --- feat: use llamaindex chat-ui for nextjs frontend

(NODE_JS)

🔇 Additional comments (1)
.changeset/nice-garlics-repeat.md (1)

1-3: LGTM on the patch version bump!

Using a patch version is appropriate for this feature addition since it maintains backward compatibility.

@marcusschiesser marcusschiesser merged commit 78ccde7 into main Nov 1, 2024
15 checks passed
@marcusschiesser marcusschiesser deleted the feat/integrate-llamaindex-chat-ui branch November 1, 2024 05:19
@coderabbitai coderabbitai bot mentioned this pull request Apr 28, 2025
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