Files
CodeNomad/packages/ui/src/components/prompt-input.tsx
2026-01-20 18:47:40 +00:00

1209 lines
40 KiB
TypeScript

import { createSignal, Show, onMount, For, onCleanup, createEffect, on, untrack } from "solid-js"
import { ArrowBigUp, ArrowBigDown } from "lucide-solid"
import UnifiedPicker from "./unified-picker"
import ExpandButton from "./expand-button"
import { addToHistory, getHistory } from "../stores/message-history"
import { getAttachments, addAttachment, clearAttachments, removeAttachment } from "../stores/attachments"
import { resolvePastedPlaceholders } from "../lib/prompt-placeholders"
import { createFileAttachment, createTextAttachment, createAgentAttachment } from "../types/attachment"
import type { Attachment } from "../types/attachment"
import type { Agent } from "../types/session"
import type { Command as SDKCommand } from "@opencode-ai/sdk/v2"
import Kbd from "./kbd"
import { getActiveInstance } from "../stores/instances"
import { agents, getSessionDraftPrompt, setSessionDraftPrompt, clearSessionDraftPrompt, executeCustomCommand } from "../stores/sessions"
import { getCommands } from "../stores/commands"
import { showAlertDialog } from "../stores/alerts"
import { getLogger } from "../lib/logger"
const log = getLogger("actions")
interface PromptInputProps {
instanceId: string
instanceFolder: string
sessionId: string
onSend: (prompt: string, attachments: Attachment[]) => Promise<void>
onRunShell?: (command: string) => Promise<void>
disabled?: boolean
escapeInDebounce?: boolean
isSessionBusy?: boolean
onAbortSession?: () => Promise<void>
registerQuoteHandler?: (handler: (text: string, mode: "quote" | "code") => void) => void | (() => void)
}
export default function PromptInput(props: PromptInputProps) {
const [prompt, setPromptInternal] = createSignal("")
const [history, setHistory] = createSignal<string[]>([])
const HISTORY_LIMIT = 100
const [historyIndex, setHistoryIndex] = createSignal(-1)
const [historyDraft, setHistoryDraft] = createSignal<string | null>(null)
const [, setIsFocused] = createSignal(false)
const [showPicker, setShowPicker] = createSignal(false)
const [pickerMode, setPickerMode] = createSignal<"mention" | "command">("mention")
const [searchQuery, setSearchQuery] = createSignal("")
const [atPosition, setAtPosition] = createSignal<number | null>(null)
const [isDragging, setIsDragging] = createSignal(false)
const [ignoredAtPositions, setIgnoredAtPositions] = createSignal<Set<number>>(new Set<number>())
const [pasteCount, setPasteCount] = createSignal(0)
const [imageCount, setImageCount] = createSignal(0)
const [mode, setMode] = createSignal<"normal" | "shell">("normal")
const [expandState, setExpandState] = createSignal<"normal" | "expanded">("normal")
const SELECTION_INSERT_MAX_LENGTH = 2000
let textareaRef: HTMLTextAreaElement | undefined
const getPlaceholder = () => {
if (mode() === "shell") {
return "Run a shell command (Esc to exit)..."
}
return "Type your message, @file, @agent, or paste images and text..."
}
const attachments = () => getAttachments(props.instanceId, props.sessionId)
const instanceAgents = () => agents().get(props.instanceId) || []
createEffect(() => {
if (!props.registerQuoteHandler) return
const cleanup = props.registerQuoteHandler((text, mode) => {
if (mode === "code") {
insertCodeSelection(text)
} else {
insertQuotedSelection(text)
}
})
onCleanup(() => {
if (typeof cleanup === "function") {
cleanup()
}
})
})
const setPrompt = (value: string) => {
setPromptInternal(value)
setSessionDraftPrompt(props.instanceId, props.sessionId, value)
}
const clearPrompt = () => {
clearSessionDraftPrompt(props.instanceId, props.sessionId)
setPromptInternal("")
setHistoryDraft(null)
setMode("normal")
}
function syncAttachmentCounters(currentPrompt: string, sessionAttachments: Attachment[]) {
let highestPaste = 0
let highestImage = 0
for (const match of currentPrompt.matchAll(/\[pasted #(\d+)\]/g)) {
const value = Number.parseInt(match[1], 10)
if (!Number.isNaN(value)) {
highestPaste = Math.max(highestPaste, value)
}
}
for (const attachment of sessionAttachments) {
if (attachment.source.type === "text") {
const placeholderMatch = attachment.display.match(/pasted #(\d+)/)
if (placeholderMatch) {
const value = Number.parseInt(placeholderMatch[1], 10)
if (!Number.isNaN(value)) {
highestPaste = Math.max(highestPaste, value)
}
}
}
if (attachment.source.type === "file" && attachment.mediaType.startsWith("image/")) {
const imageMatch = attachment.display.match(/Image #(\d+)/)
if (imageMatch) {
const value = Number.parseInt(imageMatch[1], 10)
if (!Number.isNaN(value)) {
highestImage = Math.max(highestImage, value)
}
}
}
}
for (const match of currentPrompt.matchAll(/\[Image #(\d+)\]/g)) {
const value = Number.parseInt(match[1], 10)
if (!Number.isNaN(value)) {
highestImage = Math.max(highestImage, value)
}
}
setPasteCount(highestPaste)
setImageCount(highestImage)
}
createEffect(
on(
() => `${props.instanceId}:${props.sessionId}`,
() => {
const instanceId = props.instanceId
const sessionId = props.sessionId
onCleanup(() => {
setSessionDraftPrompt(instanceId, sessionId, prompt())
})
const storedPrompt = getSessionDraftPrompt(instanceId, sessionId)
const currentAttachments = untrack(() => getAttachments(instanceId, sessionId))
setPromptInternal(storedPrompt)
setSessionDraftPrompt(instanceId, sessionId, storedPrompt)
setHistoryIndex(-1)
setHistoryDraft(null)
setIgnoredAtPositions(new Set<number>())
setShowPicker(false)
setAtPosition(null)
setSearchQuery("")
syncAttachmentCounters(storedPrompt, currentAttachments)
}
)
)
function handleRemoveAttachment(attachmentId: string) {
const currentAttachments = attachments()
const attachment = currentAttachments.find((a) => a.id === attachmentId)
removeAttachment(props.instanceId, props.sessionId, attachmentId)
if (attachment) {
const currentPrompt = prompt()
let newPrompt = currentPrompt
if (attachment.source.type === "file") {
if (attachment.mediaType.startsWith("image/")) {
const imageMatch = attachment.display.match(/\[Image #(\d+)\]/)
if (imageMatch) {
const placeholder = `[Image #${imageMatch[1]}]`
newPrompt = currentPrompt.replace(placeholder, "").replace(/\s+/g, " ").trim()
}
} else {
const filename = attachment.filename
newPrompt = currentPrompt.replace(`@${filename}`, "").replace(/\s+/g, " ").trim()
}
} else if (attachment.source.type === "agent") {
const agentName = attachment.filename
newPrompt = currentPrompt.replace(`@${agentName}`, "").replace(/\s+/g, " ").trim()
} else if (attachment.source.type === "text") {
const placeholderMatch = attachment.display.match(/pasted #(\d+)/)
if (placeholderMatch) {
const placeholder = `[pasted #${placeholderMatch[1]}]`
newPrompt = currentPrompt.replace(placeholder, "").replace(/\s+/g, " ").trim()
}
}
setPrompt(newPrompt)
}
}
function handleExpandTextAttachment(attachment: Attachment) {
if (attachment.source.type !== "text") return
const textarea = textareaRef
const value = attachment.source.value
const match = attachment.display.match(/pasted #(\d+)/)
const placeholder = match ? `[pasted #${match[1]}]` : null
const currentText = prompt()
let nextText = currentText
let selectionTarget: number | null = null
if (placeholder) {
const placeholderIndex = currentText.indexOf(placeholder)
if (placeholderIndex !== -1) {
nextText =
currentText.substring(0, placeholderIndex) +
value +
currentText.substring(placeholderIndex + placeholder.length)
selectionTarget = placeholderIndex + value.length
}
}
if (nextText === currentText) {
if (textarea) {
const start = textarea.selectionStart
const end = textarea.selectionEnd
nextText = currentText.substring(0, start) + value + currentText.substring(end)
selectionTarget = start + value.length
} else {
nextText = currentText + value
}
}
setPrompt(nextText)
removeAttachment(props.instanceId, props.sessionId, attachment.id)
if (textarea) {
setTimeout(() => {
textarea.focus()
if (selectionTarget !== null) {
textarea.setSelectionRange(selectionTarget, selectionTarget)
}
}, 0)
}
}
async function handlePaste(e: ClipboardEvent) {
const items = e.clipboardData?.items
if (!items) return
for (let i = 0; i < items.length; i++) {
const item = items[i]
if (item.type.startsWith("image/")) {
e.preventDefault()
const blob = item.getAsFile()
if (!blob) continue
const count = imageCount() + 1
setImageCount(count)
const reader = new FileReader()
reader.onload = () => {
const base64Data = (reader.result as string).split(",")[1]
const display = `[Image #${count}]`
const filename = `image-${count}.png`
const attachment = createFileAttachment(
filename,
filename,
"image/png",
new TextEncoder().encode(base64Data),
props.instanceFolder,
)
attachment.url = `data:image/png;base64,${base64Data}`
attachment.display = display
addAttachment(props.instanceId, props.sessionId, attachment)
const textarea = textareaRef
if (textarea) {
const start = textarea.selectionStart
const end = textarea.selectionEnd
const currentText = prompt()
const placeholder = `[Image #${count}]`
const newText = currentText.substring(0, start) + placeholder + currentText.substring(end)
setPrompt(newText)
setTimeout(() => {
const newCursorPos = start + placeholder.length
textarea.setSelectionRange(newCursorPos, newCursorPos)
textarea.focus()
}, 0)
}
}
reader.readAsDataURL(blob)
return
}
}
const pastedText = e.clipboardData?.getData("text/plain")
if (!pastedText) return
const lineCount = pastedText.split("\n").length
const charCount = pastedText.length
const isLongPaste = charCount > 150 || lineCount > 3
if (isLongPaste) {
e.preventDefault()
const count = pasteCount() + 1
setPasteCount(count)
const summary = lineCount > 1 ? `${lineCount} lines` : `${charCount} chars`
const display = `pasted #${count} (${summary})`
const filename = `paste-${count}.txt`
const attachment = createTextAttachment(pastedText, display, filename)
addAttachment(props.instanceId, props.sessionId, attachment)
const textarea = textareaRef
if (textarea) {
const start = textarea.selectionStart
const end = textarea.selectionEnd
const currentText = prompt()
const placeholder = `[pasted #${count}]`
const newText = currentText.substring(0, start) + placeholder + currentText.substring(end)
setPrompt(newText)
setTimeout(() => {
const newCursorPos = start + placeholder.length
textarea.setSelectionRange(newCursorPos, newCursorPos)
textarea.focus()
}, 0)
}
}
}
onMount(() => {
const handleGlobalKeyDown = (e: KeyboardEvent) => {
const activeElement = document.activeElement as HTMLElement
const isInputElement =
activeElement?.tagName === "INPUT" ||
activeElement?.tagName === "TEXTAREA" ||
activeElement?.tagName === "SELECT" ||
activeElement?.isContentEditable
if (isInputElement) return
const isModifierKey = e.ctrlKey || e.metaKey || e.altKey
if (isModifierKey) return
const isSpecialKey =
e.key === "Tab" || e.key === "Enter" || e.key.startsWith("Arrow") || e.key === "Backspace" || e.key === "Delete"
if (isSpecialKey) return
if (e.key.length === 1 && textareaRef && !props.disabled) {
textareaRef.focus()
}
}
document.addEventListener("keydown", handleGlobalKeyDown)
onCleanup(() => {
document.removeEventListener("keydown", handleGlobalKeyDown)
})
void (async () => {
const loaded = await getHistory(props.instanceFolder)
setHistory(loaded)
})()
})
function handleKeyDown(e: KeyboardEvent) {
const textarea = textareaRef
if (!textarea) {
return
}
const currentText = prompt()
const cursorAtBufferStart = textarea.selectionStart === 0 && textarea.selectionEnd === 0
const isShellMode = mode() === "shell"
if (!isShellMode && e.key === "!" && cursorAtBufferStart && currentText.length === 0 && !props.disabled) {
e.preventDefault()
setMode("shell")
return
}
if (showPicker() && e.key === "Escape") {
e.preventDefault()
e.stopPropagation()
handlePickerClose()
return
}
if (isShellMode) {
if (e.key === "Escape") {
e.preventDefault()
e.stopPropagation()
setMode("normal")
return
}
if (e.key === "Backspace" && cursorAtBufferStart && currentText.length === 0) {
e.preventDefault()
setMode("normal")
return
}
}
if (e.key === "Backspace" || e.key === "Delete") {
const cursorPos = textarea.selectionStart
const text = currentText
const pastePlaceholderRegex = /\[pasted #(\d+)\]/g
let pasteMatch
while ((pasteMatch = pastePlaceholderRegex.exec(text)) !== null) {
const placeholderStart = pasteMatch.index
const placeholderEnd = pasteMatch.index + pasteMatch[0].length
const pasteNumber = pasteMatch[1]
const isDeletingFromEnd = e.key === "Backspace" && cursorPos === placeholderEnd
const isDeletingFromStart = e.key === "Delete" && cursorPos === placeholderStart
const isSelected =
textarea.selectionStart <= placeholderStart &&
textarea.selectionEnd >= placeholderEnd &&
textarea.selectionStart !== textarea.selectionEnd
if (isDeletingFromEnd || isDeletingFromStart || isSelected) {
e.preventDefault()
const currentAttachments = attachments()
const attachment = currentAttachments.find(
(a) => a.source.type === "text" && a.display.includes(`pasted #${pasteNumber}`),
)
if (attachment) {
removeAttachment(props.instanceId, props.sessionId, attachment.id)
}
const newText = text.substring(0, placeholderStart) + text.substring(placeholderEnd)
setPrompt(newText)
setTimeout(() => {
textarea.setSelectionRange(placeholderStart, placeholderStart)
}, 0)
return
}
}
const imagePlaceholderRegex = /\[Image #(\d+)\]/g
let imageMatch
while ((imageMatch = imagePlaceholderRegex.exec(text)) !== null) {
const placeholderStart = imageMatch.index
const placeholderEnd = imageMatch.index + imageMatch[0].length
const imageNumber = imageMatch[1]
const isDeletingFromEnd = e.key === "Backspace" && cursorPos === placeholderEnd
const isDeletingFromStart = e.key === "Delete" && cursorPos === placeholderStart
const isSelected =
textarea.selectionStart <= placeholderStart &&
textarea.selectionEnd >= placeholderEnd &&
textarea.selectionStart !== textarea.selectionEnd
if (isDeletingFromEnd || isDeletingFromStart || isSelected) {
e.preventDefault()
const currentAttachments = attachments()
const attachment = currentAttachments.find(
(a) =>
a.source.type === "file" &&
a.mediaType.startsWith("image/") &&
a.display.includes(`Image #${imageNumber}`),
)
if (attachment) {
removeAttachment(props.instanceId, props.sessionId, attachment.id)
}
const newText = text.substring(0, placeholderStart) + text.substring(placeholderEnd)
setPrompt(newText)
setTimeout(() => {
textarea.setSelectionRange(placeholderStart, placeholderStart)
}, 0)
return
}
}
const mentionRegex = /@(\S+)/g
let mentionMatch
while ((mentionMatch = mentionRegex.exec(text)) !== null) {
const mentionStart = mentionMatch.index
const mentionEnd = mentionMatch.index + mentionMatch[0].length
const name = mentionMatch[1]
const isDeletingFromEnd = e.key === "Backspace" && cursorPos === mentionEnd
const isDeletingFromStart = e.key === "Delete" && cursorPos === mentionStart
const isSelected =
textarea.selectionStart <= mentionStart &&
textarea.selectionEnd >= mentionEnd &&
textarea.selectionStart !== textarea.selectionEnd
if (isDeletingFromEnd || isDeletingFromStart || isSelected) {
const currentAttachments = attachments()
const attachment = currentAttachments.find(
(a) => (a.source.type === "file" || a.source.type === "agent") && a.filename === name,
)
if (attachment) {
e.preventDefault()
removeAttachment(props.instanceId, props.sessionId, attachment.id)
setIgnoredAtPositions((prev) => {
const next = new Set(prev)
next.delete(mentionStart)
return next
})
const newText = text.substring(0, mentionStart) + text.substring(mentionEnd)
setPrompt(newText)
setTimeout(() => {
textarea.setSelectionRange(mentionStart, mentionStart)
}, 0)
return
}
}
}
}
if (e.key === "Enter" && (e.metaKey || e.ctrlKey)) {
e.preventDefault()
if (showPicker()) {
handlePickerClose()
}
handleSend()
return
}
if (e.key === "ArrowUp") {
const handled = selectPreviousHistory()
if (handled) {
e.preventDefault()
return
}
}
if (e.key === "ArrowDown") {
const handled = selectNextHistory()
if (handled) {
e.preventDefault()
return
}
}
}
async function handleSend() {
const text = prompt().trim()
const currentAttachments = attachments()
if (props.disabled || (!text && currentAttachments.length === 0)) return
const isShellMode = mode() === "shell"
// Slash command routing (match OpenCode TUI): only run if the command exists.
const isSlashCandidate = !isShellMode && text.startsWith("/")
const firstSpace = isSlashCandidate ? text.indexOf(" ") : -1
const commandToken = isSlashCandidate ? (firstSpace === -1 ? text : text.slice(0, firstSpace)) : ""
const commandName = isSlashCandidate ? commandToken.slice(1) : ""
const commandArgs = isSlashCandidate ? (firstSpace === -1 ? "" : text.slice(firstSpace + 1).trimStart()) : ""
const isKnownSlashCommand =
isSlashCandidate &&
commandName.length > 0 &&
getCommands(props.instanceId).some((cmd) => cmd.name === commandName)
const resolvedPrompt = isKnownSlashCommand ? text : resolvePastedPlaceholders(text, currentAttachments)
const historyEntry = resolvedPrompt
const refreshHistory = async () => {
try {
await addToHistory(props.instanceFolder, historyEntry)
setHistory((prev) => {
const next = [historyEntry, ...prev]
if (next.length > HISTORY_LIMIT) {
next.length = HISTORY_LIMIT
}
return next
})
setHistoryIndex(-1)
} catch (historyError) {
log.error("Failed to update prompt history:", historyError)
}
}
setExpandState("normal")
clearPrompt()
// Ignore attachments for slash commands, but keep them for next prompt.
if (!isKnownSlashCommand) {
clearAttachments(props.instanceId, props.sessionId)
setPasteCount(0)
setImageCount(0)
setIgnoredAtPositions(new Set<number>())
} else {
syncAttachmentCounters("", currentAttachments)
setIgnoredAtPositions(new Set<number>())
}
setHistoryDraft(null)
if (isKnownSlashCommand) {
// Record attempted slash commands even if execution fails.
void refreshHistory()
}
try {
if (isShellMode) {
if (props.onRunShell) {
await props.onRunShell(resolvedPrompt)
} else {
await props.onSend(resolvedPrompt, [])
}
} else if (isKnownSlashCommand) {
await executeCustomCommand(props.instanceId, props.sessionId, commandName, commandArgs)
} else {
await props.onSend(resolvedPrompt, currentAttachments)
}
if (!isKnownSlashCommand) {
void refreshHistory()
}
} catch (error) {
log.error("Failed to send message:", error)
showAlertDialog("Failed to send message", {
title: "Send failed",
detail: error instanceof Error ? error.message : String(error),
variant: "error",
})
} finally {
textareaRef?.focus()
}
}
function focusTextareaEnd() {
if (!textareaRef) return
setTimeout(() => {
if (!textareaRef) return
const pos = textareaRef.value.length
textareaRef.setSelectionRange(pos, pos)
textareaRef.focus()
}, 0)
}
function canUseHistory(force = false) {
if (force) return true
if (showPicker()) return false
const textarea = textareaRef
if (!textarea) return false
return textarea.selectionStart === 0 && textarea.selectionEnd === 0
}
function selectPreviousHistory(force = false) {
const entries = history()
if (entries.length === 0) return false
if (!canUseHistory(force)) return false
if (historyIndex() === -1) {
setHistoryDraft(prompt())
}
const newIndex = historyIndex() === -1 ? 0 : Math.min(historyIndex() + 1, entries.length - 1)
setHistoryIndex(newIndex)
setPrompt(entries[newIndex])
focusTextareaEnd()
return true
}
function selectNextHistory(force = false) {
const entries = history()
if (entries.length === 0) return false
if (!canUseHistory(force)) return false
if (historyIndex() === -1) return false
const newIndex = historyIndex() - 1
if (newIndex >= 0) {
setHistoryIndex(newIndex)
setPrompt(entries[newIndex])
} else {
setHistoryIndex(-1)
const draft = historyDraft()
setPrompt(draft ?? "")
setHistoryDraft(null)
}
focusTextareaEnd()
return true
}
function handleAbort() {
if (!props.onAbortSession || !props.isSessionBusy) return
void props.onAbortSession()
}
function handleExpandToggle(nextState: "normal" | "expanded") {
setExpandState(nextState)
// Keep focus on textarea
textareaRef?.focus()
}
function handleInput(e: Event) {
const target = e.target as HTMLTextAreaElement
const value = target.value
setPrompt(value)
setHistoryIndex(-1)
setHistoryDraft(null)
const cursorPos = target.selectionStart
// Slash command picker (only when editing the command token: "/<query>")
if (value.startsWith("/") && cursorPos >= 1) {
const firstWhitespaceIndex = value.slice(1).search(/\s/)
const tokenEnd = firstWhitespaceIndex === -1 ? value.length : firstWhitespaceIndex + 1
if (cursorPos <= tokenEnd) {
setPickerMode("command")
setAtPosition(0)
setSearchQuery(value.substring(1, cursorPos))
setShowPicker(true)
return
}
}
const textBeforeCursor = value.substring(0, cursorPos)
const lastAtIndex = textBeforeCursor.lastIndexOf("@")
const previousAtPosition = atPosition()
if (lastAtIndex === -1) {
setIgnoredAtPositions(new Set<number>())
} else if (previousAtPosition !== null && lastAtIndex !== previousAtPosition) {
setIgnoredAtPositions((prev) => {
const next = new Set(prev)
next.delete(previousAtPosition)
return next
})
}
if (lastAtIndex !== -1) {
const textAfterAt = value.substring(lastAtIndex + 1, cursorPos)
const hasSpace = textAfterAt.includes(" ") || textAfterAt.includes("\n")
if (!hasSpace && cursorPos === lastAtIndex + textAfterAt.length + 1) {
if (!ignoredAtPositions().has(lastAtIndex)) {
setPickerMode("mention")
setAtPosition(lastAtIndex)
setSearchQuery(textAfterAt)
setShowPicker(true)
}
return
}
}
setShowPicker(false)
setAtPosition(null)
}
function handlePickerSelect(
item:
| { type: "agent"; agent: Agent }
| {
type: "file"
file: { path: string; relativePath?: string; isGitFile: boolean; isDirectory?: boolean }
}
| { type: "command"; command: SDKCommand },
) {
if (item.type === "command") {
const name = item.command.name
const currentPrompt = prompt()
const afterSlash = currentPrompt.slice(1)
const firstWhitespaceIndex = afterSlash.search(/\s/)
const tokenEnd = firstWhitespaceIndex === -1 ? currentPrompt.length : firstWhitespaceIndex + 1
const before = ""
const after = currentPrompt.substring(tokenEnd)
const newPrompt = before + `/${name} ` + after
setPrompt(newPrompt)
setTimeout(() => {
if (textareaRef) {
const newCursorPos = `/${name} `.length
textareaRef.setSelectionRange(newCursorPos, newCursorPos)
textareaRef.focus()
}
}, 0)
} else if (item.type === "agent") {
const agentName = item.agent.name
const existingAttachments = attachments()
const alreadyAttached = existingAttachments.some(
(att) => att.source.type === "agent" && att.source.name === agentName,
)
if (!alreadyAttached) {
const attachment = createAgentAttachment(agentName)
addAttachment(props.instanceId, props.sessionId, attachment)
}
const currentPrompt = prompt()
const pos = atPosition()
const cursorPos = textareaRef?.selectionStart || 0
if (pos !== null) {
const before = currentPrompt.substring(0, pos)
const after = currentPrompt.substring(cursorPos)
const attachmentText = `@${agentName}`
const newPrompt = before + attachmentText + " " + after
setPrompt(newPrompt)
setTimeout(() => {
if (textareaRef) {
const newCursorPos = pos + attachmentText.length + 1
textareaRef.setSelectionRange(newCursorPos, newCursorPos)
}
}, 0)
}
} else if (item.type === "file") {
const displayPath = item.file.path
const relativePath = item.file.relativePath ?? displayPath
const isFolder = item.file.isDirectory ?? displayPath.endsWith("/")
if (isFolder) {
const currentPrompt = prompt()
const pos = atPosition()
const cursorPos = textareaRef?.selectionStart || 0
const folderMention =
relativePath === "." || relativePath === ""
? "/"
: relativePath.replace(/\/+$/, "") + "/"
if (pos !== null) {
const before = currentPrompt.substring(0, pos + 1)
const after = currentPrompt.substring(cursorPos)
const newPrompt = before + folderMention + after
setPrompt(newPrompt)
setSearchQuery(folderMention)
setTimeout(() => {
if (textareaRef) {
const newCursorPos = pos + 1 + folderMention.length
textareaRef.setSelectionRange(newCursorPos, newCursorPos)
}
}, 0)
}
return
}
const normalizedPath = relativePath.replace(/\/+$/, "") || relativePath
const pathSegments = normalizedPath.split("/")
const filename = (() => {
const candidate = pathSegments[pathSegments.length - 1] || normalizedPath
return candidate === "." ? "/" : candidate
})()
const existingAttachments = attachments()
const alreadyAttached = existingAttachments.some(
(att) => att.source.type === "file" && att.source.path === normalizedPath,
)
if (!alreadyAttached) {
const attachment = createFileAttachment(normalizedPath, filename, "text/plain", undefined, props.instanceFolder)
addAttachment(props.instanceId, props.sessionId, attachment)
}
const currentPrompt = prompt()
const pos = atPosition()
const cursorPos = textareaRef?.selectionStart || 0
if (pos !== null) {
const before = currentPrompt.substring(0, pos)
const after = currentPrompt.substring(cursorPos)
const attachmentText = `@${normalizedPath}`
const newPrompt = before + attachmentText + " " + after
setPrompt(newPrompt)
setTimeout(() => {
if (textareaRef) {
const newCursorPos = pos + attachmentText.length + 1
textareaRef.setSelectionRange(newCursorPos, newCursorPos)
}
}, 0)
}
}
setShowPicker(false)
setAtPosition(null)
setSearchQuery("")
textareaRef?.focus()
}
function handlePickerClose() {
const pos = atPosition()
if (pickerMode() === "mention" && pos !== null) {
setIgnoredAtPositions((prev) => new Set(prev).add(pos))
}
setShowPicker(false)
setAtPosition(null)
setSearchQuery("")
setTimeout(() => textareaRef?.focus(), 0)
}
function handleDragOver(e: DragEvent) {
e.preventDefault()
e.stopPropagation()
setIsDragging(true)
}
function handleDragLeave(e: DragEvent) {
e.preventDefault()
e.stopPropagation()
setIsDragging(false)
}
function handleDrop(e: DragEvent) {
e.preventDefault()
e.stopPropagation()
setIsDragging(false)
const files = e.dataTransfer?.files
if (!files || files.length === 0) return
for (let i = 0; i < files.length; i++) {
const file = files[i]
const path = (file as File & { path?: string }).path || file.name
const filename = file.name
const mime = file.type || "text/plain"
const createAndStoreAttachment = (previewUrl?: string) => {
const attachment = createFileAttachment(path, filename, mime, undefined, props.instanceFolder)
if (previewUrl && (mime.startsWith("image/") || mime.startsWith("text/"))) {
attachment.url = previewUrl
}
addAttachment(props.instanceId, props.sessionId, attachment)
}
if (mime.startsWith("image/") && typeof FileReader !== "undefined") {
const reader = new FileReader()
reader.onload = () => {
const result = typeof reader.result === "string" ? reader.result : undefined
createAndStoreAttachment(result)
}
reader.readAsDataURL(file)
} else if (mime.startsWith("text/") && typeof FileReader !== "undefined") {
const reader = new FileReader()
reader.onload = () => {
const dataUrl = typeof reader.result === "string" ? reader.result : undefined
createAndStoreAttachment(dataUrl)
}
reader.readAsDataURL(file)
} else {
createAndStoreAttachment()
}
}
textareaRef?.focus()
}
function insertBlockContent(block: string) {
const textarea = textareaRef
const current = prompt()
const start = textarea ? textarea.selectionStart : current.length
const end = textarea ? textarea.selectionEnd : current.length
const before = current.substring(0, start)
const after = current.substring(end)
const needsLeading = before.length > 0 && !before.endsWith("\n") ? "\n" : ""
const insertion = `${needsLeading}${block}`
const nextValue = before + insertion + after
setPrompt(nextValue)
setHistoryIndex(-1)
setHistoryDraft(null)
setShowPicker(false)
setAtPosition(null)
if (textarea) {
setTimeout(() => {
const cursor = before.length + insertion.length
textarea.focus()
textarea.setSelectionRange(cursor, cursor)
}, 0)
}
}
function insertQuotedSelection(rawText: string) {
const normalized = (rawText ?? "").replace(/\r/g, "").trim()
if (!normalized) return
const limited =
normalized.length > SELECTION_INSERT_MAX_LENGTH
? normalized.slice(0, SELECTION_INSERT_MAX_LENGTH).trimEnd()
: normalized
const lines = limited
.split(/\n/)
.map((line) => line.trim())
.filter((line) => line.length > 0)
if (lines.length === 0) return
const blockquote = lines.map((line) => `> ${line}`).join("\n")
if (!blockquote) return
insertBlockContent(`${blockquote}\n\n`)
}
function insertCodeSelection(rawText: string) {
const normalized = (rawText ?? "").replace(/\r/g, "")
const limited =
normalized.length > SELECTION_INSERT_MAX_LENGTH
? normalized.slice(0, SELECTION_INSERT_MAX_LENGTH)
: normalized
const trimmed = limited.replace(/^\n+/, "").replace(/\n+$/, "")
if (!trimmed) return
const block = "```\n" + trimmed + "\n```\n\n"
insertBlockContent(block)
}
const canStop = () => Boolean(props.isSessionBusy && props.onAbortSession)
const hasHistory = () => history().length > 0
const canHistoryGoPrevious = () => hasHistory() && (historyIndex() === -1 || historyIndex() < history().length - 1)
const canHistoryGoNext = () => historyIndex() >= 0
const canSend = () => {
if (props.disabled) return false
const hasText = prompt().trim().length > 0
if (mode() === "shell") return hasText
return hasText || attachments().length > 0
}
const shellHint = () => (mode() === "shell" ? { key: "Esc", text: "to exit shell mode" } : { key: "!", text: "Shell mode" })
const commandHint = () => ({ key: "/", text: "Commands" })
const shouldShowOverlay = () => prompt().length === 0
const instance = () => getActiveInstance()
return (
<div class="prompt-input-container">
<div
class={`prompt-input-wrapper relative ${isDragging() ? "border-2" : ""}`}
style={
isDragging()
? "border-color: var(--accent-primary); background-color: rgba(0, 102, 255, 0.05);"
: ""
}
onDragOver={handleDragOver}
onDragLeave={handleDragLeave}
onDrop={handleDrop}
>
<Show when={showPicker() && instance()}>
<UnifiedPicker
open={showPicker()}
mode={pickerMode()}
onClose={handlePickerClose}
onSelect={handlePickerSelect}
agents={instanceAgents()}
commands={getCommands(props.instanceId)}
instanceClient={instance()!.client}
searchQuery={searchQuery()}
textareaRef={textareaRef}
workspaceId={props.instanceId}
/>
</Show>
<div class="flex flex-1 flex-col">
<div class={`prompt-input-field-container ${expandState() === "expanded" ? "is-expanded" : ""}`}>
<div class={`prompt-input-field ${expandState() === "expanded" ? "is-expanded" : ""}`}>
<textarea
ref={textareaRef}
class={`prompt-input ${mode() === "shell" ? "shell-mode" : ""} ${expandState() === "expanded" ? "is-expanded" : ""}`}
placeholder={getPlaceholder()}
value={prompt()}
onInput={handleInput}
onKeyDown={handleKeyDown}
onPaste={handlePaste}
onFocus={() => setIsFocused(true)}
onBlur={() => setIsFocused(false)}
disabled={props.disabled}
rows={expandState() === "expanded" ? 15 : 4}
spellcheck={false}
autocorrect="off"
autoCapitalize="off"
autocomplete="off"
/>
<div class="prompt-nav-buttons">
<ExpandButton
expandState={expandState}
onToggleExpand={handleExpandToggle}
/>
<Show when={hasHistory()}>
<button
type="button"
class="prompt-history-button"
onClick={() => selectPreviousHistory(true)}
disabled={!canHistoryGoPrevious()}
aria-label="Previous prompt"
>
<ArrowBigUp class="h-5 w-5" aria-hidden="true" />
</button>
<button
type="button"
class="prompt-history-button"
onClick={() => selectNextHistory(true)}
disabled={!canHistoryGoNext()}
aria-label="Next prompt"
>
<ArrowBigDown class="h-5 w-5" aria-hidden="true" />
</button>
</Show>
</div>
<Show when={shouldShowOverlay()}>
<div class={`prompt-input-overlay ${mode() === "shell" ? "shell-mode" : ""}`}>
<Show
when={props.escapeInDebounce}
fallback={
<>
<span class="prompt-overlay-text">
<Kbd>Enter</Kbd> New line <Kbd shortcut="cmd+enter" /> Send <Kbd>@</Kbd> Files/agents <Kbd></Kbd> History
</span>
<Show when={attachments().length > 0}>
<span class="prompt-overlay-text prompt-overlay-muted"> {attachments().length} file(s) attached</span>
</Show>
<span class="prompt-overlay-text">
<Kbd>{shellHint().key}</Kbd> {shellHint().text}
</span>
<Show when={mode() !== "shell"}>
<span class="prompt-overlay-text">
<Kbd>{commandHint().key}</Kbd> {commandHint().text}
</span>
</Show>
<Show when={mode() === "shell"}>
<span class="prompt-overlay-shell-active">Shell mode active</span>
</Show>
</>
}
>
<>
<span class="prompt-overlay-text prompt-overlay-warning">
Press <Kbd>Esc</Kbd> again to abort session
</span>
<Show when={mode() === "shell"}>
<span class="prompt-overlay-shell-active">Shell mode active</span>
</Show>
</>
</Show>
</div>
</Show>
</div>
</div>
</div>
<div class="prompt-input-actions">
<button
type="button"
class="stop-button"
onClick={handleAbort}
disabled={!canStop()}
aria-label="Stop session"
title="Stop session"
>
<svg class="stop-icon" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
<rect x="4" y="4" width="12" height="12" rx="2" />
</svg>
</button>
<button
type="button"
class={`send-button ${mode() === "shell" ? "shell-mode" : ""}`}
onClick={handleSend}
disabled={!canSend()}
aria-label="Send message"
>
<Show
when={mode() === "shell"}
fallback={<span class="send-icon"></span>}
>
<svg class="shell-icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
<path stroke-linecap="round" stroke-linejoin="round" d="M5 8l5 4-5 4" />
<path stroke-linecap="round" stroke-linejoin="round" d="M13 16h6" />
</svg>
</Show>
</button>
</div>
</div>
</div>
)
}