feat: import folder

added the ability to import a local folder

app/components/chat/BaseChat.tsx

@@ -11,6 +11,7 @@ import { IconButton } from '~/components/ui/IconButton';
 import { Workbench } from '~/components/workbench/Workbench.client';
 import { classNames } from '~/utils/classNames';
 import GitCloneButton from './GitCloneButton';
+import { ImportFolderButton } from './ImportFolderButton';
 
 interface BaseChatProps {
   textareaRef?: React.RefObject<HTMLTextAreaElement> | undefined;
@@ -224,12 +225,20 @@ export const BaseChat = React.forwardRef<HTMLDivElement, BaseChatProps>(
             </div>
             {!chatStarted && (
               <div id="examples" className="relative w-full max-w-xl mx-auto mt-8 flex flex-col items-center">
+                <div className="flex gap-4">
                   <GitCloneButton importChat={async (description, messages) => {
                     sendMessage?.(new Event('click') as any, description);
                     messages.forEach((message) => {
                       sendMessage?.(new Event('click') as any, message.content);
                     });
                   }} />
+                  <ImportFolderButton importChat={async (description, messages) => {
+                    sendMessage?.(new Event('click') as any, description);
+                    messages.forEach((message) => {
+                      sendMessage?.(new Event('click') as any, message.content);
+                    });
+                  }} />
+                </div>
                 <div className="flex flex-col space-y-2 mt-4 [mask-image:linear-gradient(to_bottom,black_0%,transparent_180%)] hover:[mask-image:none]">
                   {EXAMPLE_PROMPTS.map((examplePrompt, index) => {
                     return (

app/components/chat/ImportFolderButton.tsx

@@ -0,0 +1,167 @@
+import React from 'react';
+import type { Message } from 'ai';
+import { toast } from 'react-toastify';
+import ignore from 'ignore';
+import WithTooltip from '~/components/ui/Tooltip';
+
+interface ImportFolderButtonProps {
+  className?: string;
+  importChat?: (description: string, messages: Message[]) => Promise<void>;
+}
+
+// Common patterns to ignore, similar to .gitignore
+const IGNORE_PATTERNS = [
+  'node_modules/**',
+  '.git/**',
+  'dist/**',
+  'build/**',
+  '.next/**',
+  'coverage/**',
+  '.cache/**',
+  '.vscode/**',
+  '.idea/**',
+  '**/*.log',
+  '**/.DS_Store',
+  '**/npm-debug.log*',
+  '**/yarn-debug.log*',
+  '**/yarn-error.log*',
+];
+
+const ig = ignore().add(IGNORE_PATTERNS);
+const generateId = () => Math.random().toString(36).substring(2, 15);
+
+const isBinaryFile = async (file: File): Promise<boolean> => {
+  const chunkSize = 1024; // Read the first 1 KB of the file
+  const buffer = new Uint8Array(await file.slice(0, chunkSize).arrayBuffer());
+
+  for (let i = 0; i < buffer.length; i++) {
+    const byte = buffer[i];
+
+    if (byte === 0 || (byte < 32 && byte !== 9 && byte !== 10 && byte !== 13)) {
+      return true; // Found a binary character
+    }
+  }
+
+  return false;
+};
+
+export const ImportFolderButton: React.FC<ImportFolderButtonProps> = ({ className, importChat }) => {
+  const shouldIncludeFile = (path: string): boolean => {
+    return !ig.ignores(path);
+  };
+
+  const createChatFromFolder = async (files: File[], binaryFiles: string[]) => {
+    const fileArtifacts = await Promise.all(
+      files.map(async (file) => {
+        return new Promise<string>((resolve, reject) => {
+          const reader = new FileReader();
+
+          reader.onload = () => {
+            const content = reader.result as string;
+            const relativePath = file.webkitRelativePath.split('/').slice(1).join('/');
+            resolve(
+              `<boltAction type="file" filePath="${relativePath}">
+${content}
+</boltAction>`,
+            );
+          };
+          reader.onerror = reject;
+          reader.readAsText(file);
+        });
+      }),
+    );
+
+    const binaryFilesMessage =
+      binaryFiles.length > 0
+        ? `\n\nSkipped ${binaryFiles.length} binary files:\n${binaryFiles.map((f) => `- ${f}`).join('\n')}`
+        : '';
+
+    const message: Message = {
+      role: 'assistant',
+      content: `I'll help you set up these files.${binaryFilesMessage}
+
+<boltArtifact id="imported-files" title="Imported Files">
+${fileArtifacts.join('\n\n')}
+</boltArtifact>`,
+      id: generateId(),
+      createdAt: new Date(),
+    };
+
+    const userMessage: Message = {
+      role: 'user',
+      id: generateId(),
+      content: 'Import my files',
+      createdAt: new Date(),
+    };
+
+    const description = `Folder Import: ${files[0].webkitRelativePath.split('/')[0]}`;
+
+    if (importChat) {
+      await importChat(description, [userMessage, message]);
+    }
+  };
+
+  return (
+    <WithTooltip tooltip="Import Local Folder">
+      <div>
+        <input
+          type="file"
+          id="folder-import"
+          className="hidden"
+          webkitdirectory=""
+          directory=""
+          onChange={async (e) => {
+            const allFiles = Array.from(e.target.files || []);
+            const filteredFiles = allFiles.filter((file) => shouldIncludeFile(file.webkitRelativePath));
+
+            if (filteredFiles.length === 0) {
+              toast.error('No files found in the selected folder');
+              return;
+            }
+
+            try {
+              const fileChecks = await Promise.all(
+                filteredFiles.map(async (file) => ({
+                  file,
+                  isBinary: await isBinaryFile(file),
+                })),
+              );
+
+              const textFiles = fileChecks.filter((f) => !f.isBinary).map((f) => f.file);
+              const binaryFilePaths = fileChecks
+                .filter((f) => f.isBinary)
+                .map((f) => f.file.webkitRelativePath.split('/').slice(1).join('/'));
+
+              if (textFiles.length === 0) {
+                toast.error('No text files found in the selected folder');
+                return;
+              }
+
+              if (binaryFilePaths.length > 0) {
+                toast.info(`Skipping ${binaryFilePaths.length} binary files`);
+              }
+
+              await createChatFromFolder(textFiles, binaryFilePaths);
+            } catch (error) {
+              console.error('Failed to import folder:', error);
+              toast.error('Failed to import folder');
+            }
+
+            e.target.value = ''; // Reset file input
+          }}
+          {...({} as any)} // if removed webkitdirectory will throw errors as unknow attribute
+        />
+        <button
+          onClick={() => {
+            const input = document.getElementById('folder-import');
+            input?.click();
+          }}
+          className={`px-4 py-2 rounded-lg border border-bolt-elements-borderColor bg-bolt-elements-prompt-background text-bolt-elements-textPrimary hover:bg-bolt-elements-background-depth-3 transition-all flex items-center gap-2 ${className}`}
+        >
+          <div className="i-ph:folder-duotone" />
+          Import Folder
+        </button>
+      </div>
+    </WithTooltip>
+  );
+};