Files
openchamber/packages/ui/src/components/chat/FileMentionAutocomplete.tsx
T

386 lines
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TypeScript

import React from 'react';
import { RiCodeLine, RiFileImageLine, RiFileLine, RiFilePdfLine, RiRefreshLine } from '@remixicon/react';
import { cn, truncatePathMiddle } from '@/lib/utils';
import { useDirectoryStore } from '@/stores/useDirectoryStore';
import { useSessionStore } from '@/stores/useSessionStore';
import { useFileSearchStore } from '@/stores/useFileSearchStore';
import { useDebouncedValue } from '@/hooks/useDebouncedValue';
import type { ProjectFileSearchHit } from '@/lib/opencode/client';
import { ScrollableOverlay } from '@/components/ui/ScrollableOverlay';
type FileInfo = ProjectFileSearchHit;
export interface FileMentionHandle {
handleKeyDown: (key: string) => void;
}
interface FileMentionAutocompleteProps {
searchQuery: string;
onFileSelect: (file: FileInfo) => void;
onClose: () => void;
}
export const FileMentionAutocomplete = React.forwardRef<FileMentionHandle, FileMentionAutocompleteProps>(({
searchQuery,
onFileSelect,
onClose
}, ref) => {
const { currentDirectory } = useDirectoryStore();
const { addServerFile } = useSessionStore();
const searchFiles = useFileSearchStore((state) => state.searchFiles);
const debouncedQuery = useDebouncedValue(searchQuery, 180);
const [files, setFiles] = React.useState<FileInfo[]>([]);
const [loading, setLoading] = React.useState(false);
const [selectedIndex, setSelectedIndex] = React.useState(0);
const [marqueeWidth, setMarqueeWidth] = React.useState(360);
const [overflowMap, setOverflowMap] = React.useState<Record<number, boolean>>({});
const [marqueeDurations, setMarqueeDurations] = React.useState<Record<number, number>>({});
const itemRefs = React.useRef<(HTMLDivElement | null)[]>([]);
const labelRefs = React.useRef<(HTMLSpanElement | null)[]>([]);
const measureRefs = React.useRef<(HTMLSpanElement | null)[]>([]);
const containerRef = React.useRef<HTMLDivElement | null>(null);
const fuzzyScore = React.useCallback((query: string, candidate: string): number | null => {
const q = query.trim().toLowerCase();
if (!q) {
return 0;
}
const c = candidate.toLowerCase();
let score = 0;
let lastIndex = -1;
let consecutive = 0;
for (let i = 0; i < q.length; i += 1) {
const ch = q[i];
if (!ch || ch === ' ') {
continue;
}
const idx = c.indexOf(ch, lastIndex + 1);
if (idx === -1) {
return null;
}
const gap = idx - lastIndex - 1;
if (gap === 0) {
consecutive += 1;
} else {
consecutive = 0;
}
score += 10;
score += Math.max(0, 18 - idx);
score -= Math.max(0, gap);
if (idx === 0) {
score += 12;
} else {
const prev = c[idx - 1];
if (prev === '/' || prev === '_' || prev === '-' || prev === '.' || prev === ' ') {
score += 10;
}
}
score += consecutive > 0 ? 12 : 0;
lastIndex = idx;
}
score += Math.max(0, 24 - Math.round(c.length / 3));
return score;
}, []);
React.useEffect(() => {
const handlePointerDown = (event: MouseEvent | TouchEvent) => {
const target = event.target as Node | null;
if (!target || !containerRef.current) {
return;
}
if (containerRef.current.contains(target)) {
return;
}
onClose();
};
document.addEventListener('pointerdown', handlePointerDown, true);
return () => {
document.removeEventListener('pointerdown', handlePointerDown, true);
};
}, [onClose]);
React.useEffect(() => {
if (!currentDirectory) {
setFiles([]);
return;
}
const normalizedQuery = (debouncedQuery ?? '').trim();
const normalizedQueryLower = normalizedQuery.toLowerCase();
let cancelled = false;
setLoading(true);
searchFiles(currentDirectory, normalizedQueryLower, 80)
.then((hits) => {
if (cancelled) {
return;
}
const ranked = normalizedQueryLower
? hits
.map((file) => {
const label = file.relativePath || file.name || file.path;
const score = fuzzyScore(normalizedQueryLower, label);
return score === null ? null : { file, score, labelLength: label.length };
})
.filter(Boolean) as Array<{ file: FileInfo; score: number; labelLength: number }>
: hits.map((file) => ({ file, score: 0, labelLength: (file.relativePath || file.name || file.path).length }));
ranked.sort((a, b) => (
b.score - a.score
|| a.labelLength - b.labelLength
|| a.file.path.localeCompare(b.file.path)
));
setFiles(ranked.slice(0, 15).map((entry) => entry.file));
})
.catch(() => {
if (!cancelled) {
setFiles([]);
}
})
.finally(() => {
if (!cancelled) {
setLoading(false);
}
});
return () => {
cancelled = true;
};
}, [currentDirectory, debouncedQuery, fuzzyScore, searchFiles]);
React.useEffect(() => {
setSelectedIndex(0);
setOverflowMap({});
setMarqueeDurations({});
}, [files]);
React.useEffect(() => {
itemRefs.current[selectedIndex]?.scrollIntoView({
behavior: 'smooth',
block: 'nearest'
});
}, [selectedIndex]);
React.useEffect(() => {
let frameId: number | null = null;
const updateOverflow = () => {
if (frameId !== null) {
cancelAnimationFrame(frameId);
}
frameId = requestAnimationFrame(() => {
const next: Record<number, boolean> = {};
const durations: Record<number, number> = {};
labelRefs.current.forEach((node, index) => {
if (!node) {
return;
}
const measureNode = measureRefs.current[index];
const fullWidth = measureNode?.offsetWidth ?? node.scrollWidth;
const overflowPx = Math.max(0, fullWidth - node.clientWidth);
const isOverflowing = overflowPx > 8;
next[index] = isOverflowing;
if (isOverflowing) {
const duration = Math.max(0.6, overflowPx / 110);
durations[index] = duration;
}
});
setOverflowMap(next);
setMarqueeDurations(durations);
});
};
updateOverflow();
window.addEventListener('resize', updateOverflow);
return () => {
if (frameId !== null) {
cancelAnimationFrame(frameId);
}
window.removeEventListener('resize', updateOverflow);
};
}, [files]);
React.useEffect(() => {
const labelNode = labelRefs.current[selectedIndex];
if (!labelNode) {
return;
}
const updateWidth = () => {
const width = labelNode.clientWidth;
if (width > 0) {
setMarqueeWidth(width);
}
};
updateWidth();
if (typeof ResizeObserver === 'undefined') {
return;
}
const observer = new ResizeObserver(updateWidth);
observer.observe(labelNode);
return () => {
observer.disconnect();
};
}, [selectedIndex]);
const handleFileSelect = React.useCallback(async (file: FileInfo) => {
await addServerFile(file.path, file.name);
onFileSelect(file);
}, [addServerFile, onFileSelect]);
React.useImperativeHandle(ref, () => ({
handleKeyDown: (key: string) => {
if (key === 'Escape') {
onClose();
return;
}
const total = files.length;
if (total === 0) {
return;
}
if (key === 'ArrowDown') {
setSelectedIndex((prev) => (prev + 1) % total);
return;
}
if (key === 'ArrowUp') {
setSelectedIndex((prev) => (prev - 1 + total) % total);
return;
}
if (key === 'Enter' || key === 'Tab') {
const safeIndex = ((selectedIndex % total) + total) % total;
const selectedFile = files[safeIndex];
if (selectedFile) {
handleFileSelect(selectedFile);
}
}
}
}), [files, selectedIndex, onClose, handleFileSelect]);
const getFileIcon = (file: FileInfo) => {
const ext = file.extension?.toLowerCase();
switch (ext) {
case 'ts':
case 'tsx':
case 'js':
case 'jsx':
return <RiCodeLine className="h-3.5 w-3.5 text-blue-500" />;
case 'json':
return <RiCodeLine className="h-3.5 w-3.5 text-yellow-500" />;
case 'md':
case 'mdx':
return <RiFileLine className="h-3.5 w-3.5 text-gray-500" />;
case 'png':
case 'jpg':
case 'jpeg':
case 'gif':
case 'svg':
return <RiFileImageLine className="h-3.5 w-3.5 text-green-500" />;
default:
return <RiFilePdfLine className="h-3.5 w-3.5 text-muted-foreground" />;
}
};
return (
<div
ref={containerRef}
className="absolute z-[100] min-w-0 w-full max-w-[520px] max-h-64 bg-background border border-border rounded-xl shadow-none bottom-full mb-2 left-0 flex flex-col"
>
<ScrollableOverlay outerClassName="flex-1 min-h-0" className="px-0">
{loading ? (
<div className="flex items-center justify-center py-4">
<RiRefreshLine className="h-4 w-4 animate-spin text-muted-foreground" />
</div>
) : (
<div className="pb-2">
{files.map((file, index) => {
const relativePath = file.relativePath || file.name;
const displayPath = truncatePathMiddle(relativePath, { maxLength: 45 });
const isSelected = selectedIndex === index;
const isOverflowing = overflowMap[index] ?? false;
const marqueeDuration = marqueeDurations[index] ?? 2.6;
const item = (
<div
ref={(el) => { itemRefs.current[index] = el; }}
className={cn(
"flex items-center gap-2 px-3 py-1.5 cursor-pointer typography-ui-label rounded-lg",
isSelected && "bg-muted"
)}
onClick={() => handleFileSelect(file)}
onMouseEnter={() => setSelectedIndex(index)}
>
{getFileIcon(file)}
<span
ref={(el) => { labelRefs.current[index] = el; }}
className="relative flex-1 min-w-0 overflow-hidden file-mention-marquee-container"
style={isSelected ? {
['--file-mention-marquee-width' as string]: `${marqueeWidth}px`,
['--file-mention-marquee-duration' as string]: `${marqueeDuration}s`
} : undefined}
aria-label={relativePath}
>
<span
ref={(el) => { measureRefs.current[index] = el; }}
className="absolute invisible whitespace-nowrap pointer-events-none"
aria-hidden
>
{relativePath}
</span>
{isOverflowing && isSelected ? (
<span className="inline-block whitespace-nowrap file-mention-marquee">
{relativePath}
</span>
) : (
<span className="block truncate">
{displayPath}
</span>
)}
</span>
</div>
);
return (
<React.Fragment key={file.path}>
{item}
</React.Fragment>
);
})}
{}
{files.length > 0 && <div className="h-2" />}
{files.length === 0 && (
<div className="px-3 py-2 typography-ui-label text-muted-foreground">
No files found
</div>
)}
</div>
)}
</ScrollableOverlay>
<div className="px-3 pt-1 pb-1.5 border-t typography-meta text-muted-foreground">
↑↓ navigate Enter select Esc close
</div>
</div>
);
});