Support typing "@" in the chat input to trigger a file list popup with filtering, keyboard navigation, and file/directory attachment. Directories from the sidebar file tree now attach as resource links instead of injecting text into the input. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
63 lines
1.7 KiB
TypeScript
63 lines
1.7 KiB
TypeScript
"use client"
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import { useEffect, useRef } from "react"
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import { File, Folder } from "lucide-react"
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import { cn } from "@/lib/utils"
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import type { FlatFileEntry } from "@/hooks/use-file-tree"
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interface FileMentionMenuProps {
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files: FlatFileEntry[]
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selectedIndex: number
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onSelect: (entry: FlatFileEntry) => void
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}
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export function FileMentionMenu({
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files,
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selectedIndex,
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onSelect,
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}: FileMentionMenuProps) {
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const listRef = useRef<HTMLDivElement>(null)
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useEffect(() => {
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const el = listRef.current?.children[selectedIndex] as
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| HTMLElement
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| undefined
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el?.scrollIntoView({ block: "nearest" })
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}, [selectedIndex])
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if (files.length === 0) return null
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return (
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<div
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ref={listRef}
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className="absolute bottom-full left-0 right-0 z-50 mb-1 max-h-48 overflow-y-auto rounded-xl border border-border bg-popover p-1 shadow-lg"
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>
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{files.map((entry, i) => (
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<button
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key={entry.relativePath}
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type="button"
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className={cn(
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"flex w-full items-center gap-2 rounded-lg px-3 py-1.5 text-left text-sm",
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i === selectedIndex
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? "bg-accent text-accent-foreground"
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: "hover:bg-muted"
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)}
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onMouseDown={(e) => {
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e.preventDefault()
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onSelect(entry)
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}}
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>
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{entry.kind === "dir" ? (
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<Folder className="h-3.5 w-3.5 shrink-0 text-muted-foreground" />
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) : (
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<File className="h-3.5 w-3.5 shrink-0 text-muted-foreground" />
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)}
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<span className="truncate font-mono text-xs">
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{entry.relativePath}
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</span>
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</button>
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))}
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</div>
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)
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}
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