claude-code-best/src/components/MessageSelector.tsx
2026-05-01 21:39:30 +08:00

863 lines
29 KiB
TypeScript

import type { ContentBlockParam, TextBlockParam } from '@anthropic-ai/sdk/resources/index.mjs';
import { randomUUID, type UUID } from 'crypto';
import figures from 'figures';
import * as React from 'react';
import { useCallback, useEffect, useMemo, useState } from 'react';
import {
type AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
logEvent,
} from 'src/services/analytics/index.js';
import { useAppState } from 'src/state/AppState.js';
import {
type DiffStats,
fileHistoryCanRestore,
fileHistoryEnabled,
fileHistoryGetDiffStats,
} from 'src/utils/fileHistory.js';
import { logError } from 'src/utils/log.js';
import { useExitOnCtrlCDWithKeybindings } from '../hooks/useExitOnCtrlCDWithKeybindings.js';
import { Box, Text, Divider } from '@anthropic/ink';
import { useKeybinding, useKeybindings } from '../keybindings/useKeybinding.js';
import type { Message, PartialCompactDirection, UserMessage } from '../types/message.js';
import { stripDisplayTags } from '../utils/displayTags.js';
import {
createUserMessage,
extractTag,
isEmptyMessageText,
isSyntheticMessage,
isToolUseResultMessage,
} from '../utils/messages.js';
import { type OptionWithDescription, Select } from './CustomSelect/select.js';
import { Spinner } from './Spinner.js';
function isTextBlock(block: ContentBlockParam): block is TextBlockParam {
return block.type === 'text';
}
import * as path from 'path';
import { useTerminalSize } from 'src/hooks/useTerminalSize.js';
import type { FileEditOutput } from '@claude-code-best/builtin-tools/tools/FileEditTool/types.js';
import type { Output as FileWriteToolOutput } from '@claude-code-best/builtin-tools/tools/FileWriteTool/FileWriteTool.js';
import {
BASH_STDERR_TAG,
BASH_STDOUT_TAG,
COMMAND_MESSAGE_TAG,
LOCAL_COMMAND_STDERR_TAG,
LOCAL_COMMAND_STDOUT_TAG,
TASK_NOTIFICATION_TAG,
TEAMMATE_MESSAGE_TAG,
TICK_TAG,
} from '../constants/xml.js';
import { count } from '../utils/array.js';
import { formatRelativeTimeAgo, truncate } from '../utils/format.js';
import type { Theme } from '../utils/theme.js';
type RestoreOption = 'both' | 'conversation' | 'code' | 'summarize' | 'summarize_up_to' | 'nevermind';
function isSummarizeOption(option: RestoreOption | null): option is 'summarize' | 'summarize_up_to' {
return option === 'summarize' || option === 'summarize_up_to';
}
type Props = {
messages: Message[];
onPreRestore: () => void;
onRestoreMessage: (message: UserMessage) => Promise<void>;
onRestoreCode: (message: UserMessage) => Promise<void>;
onSummarize: (message: UserMessage, feedback?: string, direction?: PartialCompactDirection) => Promise<void>;
onClose: () => void;
/** Skip pick-list, land on confirm. Caller ran skip-check first. Esc closes fully (no back-to-list). */
preselectedMessage?: UserMessage;
};
const MAX_VISIBLE_MESSAGES = 7;
export function MessageSelector({
messages,
onPreRestore,
onRestoreMessage,
onRestoreCode,
onSummarize,
onClose,
preselectedMessage,
}: Props): React.ReactNode {
const fileHistory = useAppState(s => s.fileHistory);
const [error, setError] = useState<string | undefined>(undefined);
const isFileHistoryEnabled = fileHistoryEnabled();
// Add current prompt as a virtual message
const currentUUID = useMemo(randomUUID, []);
const messageOptions = useMemo(
() => [
...messages.filter(selectableUserMessagesFilter),
{
...createUserMessage({
content: '',
}),
uuid: currentUUID,
} as UserMessage,
],
[messages, currentUUID],
);
const [selectedIndex, setSelectedIndex] = useState(messageOptions.length - 1);
// Orient the selected message as the middle of the visible options
const firstVisibleIndex = Math.max(
0,
Math.min(selectedIndex - Math.floor(MAX_VISIBLE_MESSAGES / 2), messageOptions.length - MAX_VISIBLE_MESSAGES),
);
const hasMessagesToSelect = messageOptions.length > 1;
const [messageToRestore, setMessageToRestore] = useState<UserMessage | undefined>(preselectedMessage);
const [diffStatsForRestore, setDiffStatsForRestore] = useState<DiffStats | undefined>(undefined);
useEffect(() => {
if (!preselectedMessage || !isFileHistoryEnabled) return;
let cancelled = false;
void fileHistoryGetDiffStats(fileHistory, preselectedMessage.uuid).then(stats => {
if (!cancelled) setDiffStatsForRestore(stats);
});
return () => {
cancelled = true;
};
}, [preselectedMessage, isFileHistoryEnabled, fileHistory]);
const [isRestoring, setIsRestoring] = useState(false);
const [restoringOption, setRestoringOption] = useState<RestoreOption | null>(null);
const [selectedRestoreOption, setSelectedRestoreOption] = useState<RestoreOption>('both');
// Per-option feedback state; Select's internal inputValues Map persists
// per-option text independently, so sharing one variable would desync.
const [summarizeFromFeedback, setSummarizeFromFeedback] = useState('');
const [summarizeUpToFeedback, setSummarizeUpToFeedback] = useState('');
// Generate options with summarize as input type for inline context
function getRestoreOptions(canRestoreCode: boolean): OptionWithDescription<RestoreOption>[] {
const baseOptions: OptionWithDescription<RestoreOption>[] = canRestoreCode
? [
{ value: 'both', label: 'Restore code and conversation' },
{ value: 'conversation', label: 'Restore conversation' },
{ value: 'code', label: 'Restore code' },
]
: [{ value: 'conversation', label: 'Restore conversation' }];
const summarizeInputProps = {
type: 'input' as const,
placeholder: 'add context (optional)',
initialValue: '',
allowEmptySubmitToCancel: true,
showLabelWithValue: true,
labelValueSeparator: ': ',
};
baseOptions.push({
value: 'summarize',
label: 'Summarize from here',
...summarizeInputProps,
onChange: setSummarizeFromFeedback,
});
if (process.env.USER_TYPE === 'ant') {
baseOptions.push({
value: 'summarize_up_to',
label: 'Summarize up to here',
...summarizeInputProps,
onChange: setSummarizeUpToFeedback,
});
}
baseOptions.push({ value: 'nevermind', label: 'Never mind' });
return baseOptions;
}
// Log when selector is opened
useEffect(() => {
logEvent('tengu_message_selector_opened', {});
}, []);
// Helper to restore conversation without confirmation
async function restoreConversationDirectly(message: UserMessage) {
onPreRestore();
setIsRestoring(true);
try {
await onRestoreMessage(message);
setIsRestoring(false);
onClose();
} catch (error) {
logError(error as Error);
setIsRestoring(false);
setError(`Failed to restore the conversation:\n${error}`);
}
}
async function handleSelect(message: UserMessage) {
const index = messages.indexOf(message);
const indexFromEnd = messages.length - 1 - index;
logEvent('tengu_message_selector_selected', {
index_from_end: indexFromEnd,
message_type: message.type as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
is_current_prompt: false,
});
// Do nothing if the message is not found
if (!messages.includes(message)) {
onClose();
return;
}
if (!isFileHistoryEnabled) {
await restoreConversationDirectly(message);
return;
}
const diffStats = await fileHistoryGetDiffStats(fileHistory, message.uuid);
setMessageToRestore(message);
setDiffStatsForRestore(diffStats);
}
async function onSelectRestoreOption(option: RestoreOption) {
logEvent('tengu_message_selector_restore_option_selected', {
option: option as AnalyticsMetadata_I_VERIFIED_THIS_IS_NOT_CODE_OR_FILEPATHS,
});
if (!messageToRestore) {
setError('Message not found.');
return;
}
if (option === 'nevermind') {
if (preselectedMessage) onClose();
else setMessageToRestore(undefined);
return;
}
if (isSummarizeOption(option)) {
onPreRestore();
setIsRestoring(true);
setRestoringOption(option);
setError(undefined);
try {
const direction = option === 'summarize_up_to' ? 'up_to' : 'from';
const feedback = (direction === 'up_to' ? summarizeUpToFeedback : summarizeFromFeedback).trim() || undefined;
await onSummarize(messageToRestore, feedback, direction);
setIsRestoring(false);
setRestoringOption(null);
setMessageToRestore(undefined);
onClose();
} catch (error) {
logError(error as Error);
setIsRestoring(false);
setRestoringOption(null);
setMessageToRestore(undefined);
setError(`Failed to summarize:\n${error}`);
}
return;
}
onPreRestore();
setIsRestoring(true);
setError(undefined);
let codeError: Error | null = null;
let conversationError: Error | null = null;
if (option === 'code' || option === 'both') {
try {
await onRestoreCode(messageToRestore);
} catch (error) {
codeError = error as Error;
logError(codeError);
}
}
if (option === 'conversation' || option === 'both') {
try {
await onRestoreMessage(messageToRestore);
} catch (error) {
conversationError = error as Error;
logError(conversationError);
}
}
setIsRestoring(false);
setMessageToRestore(undefined);
// Handle errors
if (conversationError && codeError) {
setError(`Failed to restore the conversation and code:\n${conversationError}\n${codeError}`);
} else if (conversationError) {
setError(`Failed to restore the conversation:\n${conversationError}`);
} else if (codeError) {
setError(`Failed to restore the code:\n${codeError}`);
} else {
// Success - close the selector
onClose();
}
}
const exitState = useExitOnCtrlCDWithKeybindings();
const handleEscape = useCallback(() => {
if (messageToRestore && !preselectedMessage) {
// Go back to message list instead of closing entirely
setMessageToRestore(undefined);
return;
}
logEvent('tengu_message_selector_cancelled', {});
onClose();
}, [onClose, messageToRestore, preselectedMessage]);
const moveUp = useCallback(() => setSelectedIndex(prev => Math.max(0, prev - 1)), []);
const moveDown = useCallback(
() => setSelectedIndex(prev => Math.min(messageOptions.length - 1, prev + 1)),
[messageOptions.length],
);
const jumpToTop = useCallback(() => setSelectedIndex(0), []);
const jumpToBottom = useCallback(() => setSelectedIndex(messageOptions.length - 1), [messageOptions.length]);
const handleSelectCurrent = useCallback(() => {
const selected = messageOptions[selectedIndex];
if (selected) {
void handleSelect(selected);
}
}, [messageOptions, selectedIndex, handleSelect]);
// Escape to close - uses Confirmation context where escape is bound
useKeybinding('confirm:no', handleEscape, {
context: 'Confirmation',
isActive: !messageToRestore,
});
// Message selector navigation keybindings
useKeybindings(
{
'messageSelector:up': moveUp,
'messageSelector:down': moveDown,
'messageSelector:top': jumpToTop,
'messageSelector:bottom': jumpToBottom,
'messageSelector:select': handleSelectCurrent,
},
{
context: 'MessageSelector',
isActive: !isRestoring && !error && !messageToRestore && hasMessagesToSelect,
},
);
const [fileHistoryMetadata, setFileHistoryMetadata] = useState<Record<number, DiffStats>>({});
useEffect(() => {
async function loadFileHistoryMetadata() {
if (!isFileHistoryEnabled) {
return;
}
// Load file snapshot metadata
void Promise.all(
messageOptions.map(async (userMessage, itemIndex) => {
if (userMessage.uuid !== currentUUID) {
const canRestore = fileHistoryCanRestore(fileHistory, userMessage.uuid);
const nextUserMessage = messageOptions.at(itemIndex + 1);
const diffStats = canRestore
? computeDiffStatsBetweenMessages(
messages,
userMessage.uuid,
nextUserMessage?.uuid !== currentUUID ? nextUserMessage?.uuid : undefined,
)
: undefined;
if (diffStats !== undefined) {
setFileHistoryMetadata(prev => ({
...prev,
[itemIndex]: diffStats,
}));
} else {
setFileHistoryMetadata(prev => ({
...prev,
[itemIndex]: undefined,
}));
}
}
}),
);
}
void loadFileHistoryMetadata();
}, [messageOptions, messages, currentUUID, fileHistory, isFileHistoryEnabled]);
const canRestoreCode =
isFileHistoryEnabled && diffStatsForRestore?.filesChanged && diffStatsForRestore.filesChanged.length > 0;
const showPickList = !error && !messageToRestore && !preselectedMessage && hasMessagesToSelect;
return (
<Box flexDirection="column" width="100%">
<Divider color="suggestion" />
<Box flexDirection="column" marginX={1} gap={1}>
<Text bold color="suggestion">
Rewind
</Text>
{error && (
<>
<Text color="error">Error: {error}</Text>
</>
)}
{!hasMessagesToSelect && (
<>
<Text>Nothing to rewind to yet.</Text>
</>
)}
{!error && messageToRestore && hasMessagesToSelect && (
<>
<Text>
Confirm you want to restore {!diffStatsForRestore && 'the conversation '}to the point before you sent this
message:
</Text>
<Box
flexDirection="column"
paddingLeft={1}
borderStyle="single"
borderRight={false}
borderTop={false}
borderBottom={false}
borderLeft={true}
borderLeftDimColor
>
<UserMessageOption userMessage={messageToRestore} color="text" isCurrent={false} />
<Text dimColor>
({formatRelativeTimeAgo(new Date(messageToRestore.timestamp as string | number | Date))})
</Text>
</Box>
<RestoreOptionDescription
selectedRestoreOption={selectedRestoreOption}
canRestoreCode={!!canRestoreCode}
diffStatsForRestore={diffStatsForRestore}
/>
{isRestoring && isSummarizeOption(restoringOption) ? (
<Box flexDirection="row" gap={1}>
<Spinner />
<Text>Summarizing</Text>
</Box>
) : (
<Select
isDisabled={isRestoring}
options={getRestoreOptions(!!canRestoreCode)}
defaultFocusValue={canRestoreCode ? 'both' : 'conversation'}
onFocus={value => setSelectedRestoreOption(value as RestoreOption)}
onChange={value => onSelectRestoreOption(value as RestoreOption)}
onCancel={() => (preselectedMessage ? onClose() : setMessageToRestore(undefined))}
/>
)}
{canRestoreCode && (
<Box marginBottom={1}>
<Text dimColor>{figures.warning} Rewinding does not affect files edited manually or via bash.</Text>
</Box>
)}
</>
)}
{showPickList && (
<>
{isFileHistoryEnabled ? (
<Text>Restore the code and/or conversation to the point before</Text>
) : (
<Text>Restore and fork the conversation to the point before</Text>
)}
<Box width="100%" flexDirection="column">
{messageOptions
.slice(firstVisibleIndex, firstVisibleIndex + MAX_VISIBLE_MESSAGES)
.map((msg, visibleOptionIndex) => {
const optionIndex = firstVisibleIndex + visibleOptionIndex;
const isSelected = optionIndex === selectedIndex;
const isCurrent = msg.uuid === currentUUID;
const metadataLoaded = optionIndex in fileHistoryMetadata;
const metadata = fileHistoryMetadata[optionIndex];
const numFilesChanged = metadata?.filesChanged && metadata.filesChanged.length;
return (
<Box
key={msg.uuid}
height={isFileHistoryEnabled ? 3 : 2}
overflow="hidden"
width="100%"
flexDirection="row"
>
<Box width={2} minWidth={2}>
{isSelected ? (
<Text color="permission" bold>
{figures.pointer}{' '}
</Text>
) : (
<Text>{' '}</Text>
)}
</Box>
<Box flexDirection="column">
<Box flexShrink={1} height={1} overflow="hidden">
<UserMessageOption
userMessage={msg}
color={isSelected ? 'suggestion' : undefined}
isCurrent={isCurrent}
paddingRight={10}
/>
</Box>
{isFileHistoryEnabled && metadataLoaded && (
<Box height={1} flexDirection="row">
{metadata ? (
<>
<Text dimColor={!isSelected} color="inactive">
{numFilesChanged ? (
<>
{numFilesChanged === 1 && metadata.filesChanged![0]
? `${path.basename(metadata.filesChanged![0])} `
: `${numFilesChanged} files changed `}
<DiffStatsText diffStats={metadata} />
</>
) : (
<>No code changes</>
)}
</Text>
</>
) : (
<Text dimColor color="warning">
{figures.warning} No code restore
</Text>
)}
</Box>
)}
</Box>
</Box>
);
})}
</Box>
</>
)}
{!messageToRestore && (
<Text dimColor italic>
{exitState.pending ? (
<>Press {exitState.keyName} again to exit</>
) : (
<>{!error && hasMessagesToSelect && 'Enter to continue · '}Esc to exit</>
)}
</Text>
)}
</Box>
</Box>
);
}
function getRestoreOptionConversationText(option: RestoreOption): string {
switch (option) {
case 'summarize':
return 'Messages after this point will be summarized.';
case 'summarize_up_to':
return 'Preceding messages will be summarized. This and subsequent messages will remain unchanged — you will stay at the end of the conversation.';
case 'both':
case 'conversation':
return 'The conversation will be forked.';
case 'code':
case 'nevermind':
return 'The conversation will be unchanged.';
}
}
function RestoreOptionDescription({
selectedRestoreOption,
canRestoreCode,
diffStatsForRestore,
}: {
selectedRestoreOption: RestoreOption;
canRestoreCode: boolean;
diffStatsForRestore: DiffStats | undefined;
}): React.ReactNode {
const showCodeRestore = canRestoreCode && (selectedRestoreOption === 'both' || selectedRestoreOption === 'code');
return (
<Box flexDirection="column">
<Text dimColor>{getRestoreOptionConversationText(selectedRestoreOption)}</Text>
{!isSummarizeOption(selectedRestoreOption) &&
(showCodeRestore ? (
<RestoreCodeConfirmation diffStatsForRestore={diffStatsForRestore} />
) : (
<Text dimColor>The code will be unchanged.</Text>
))}
</Box>
);
}
function RestoreCodeConfirmation({
diffStatsForRestore,
}: {
diffStatsForRestore: DiffStats | undefined;
}): React.ReactNode {
if (diffStatsForRestore === undefined) {
return undefined;
}
if (!diffStatsForRestore.filesChanged || !diffStatsForRestore.filesChanged[0]) {
return <Text dimColor>The code has not changed (nothing will be restored).</Text>;
}
const numFilesChanged = diffStatsForRestore.filesChanged.length;
let fileLabel = '';
if (numFilesChanged === 1) {
fileLabel = path.basename(diffStatsForRestore.filesChanged[0] || '');
} else if (numFilesChanged === 2) {
const file1 = path.basename(diffStatsForRestore.filesChanged[0] || '');
const file2 = path.basename(diffStatsForRestore.filesChanged[1] || '');
fileLabel = `${file1} and ${file2}`;
} else {
const file1 = path.basename(diffStatsForRestore.filesChanged[0] || '');
fileLabel = `${file1} and ${diffStatsForRestore.filesChanged.length - 1} other files`;
}
return (
<>
<Text dimColor>
The code will be restored <DiffStatsText diffStats={diffStatsForRestore} /> in {fileLabel}.
</Text>
</>
);
}
function DiffStatsText({ diffStats }: { diffStats: DiffStats | undefined }): React.ReactNode {
if (!diffStats || !diffStats.filesChanged) {
return undefined;
}
return (
<>
<Text color="diffAddedWord">+{diffStats.insertions} </Text>
<Text color="diffRemovedWord">-{diffStats.deletions}</Text>
</>
);
}
function UserMessageOption({
userMessage,
color,
dimColor,
isCurrent,
paddingRight,
}: {
userMessage: UserMessage;
color?: keyof Theme;
dimColor?: boolean;
isCurrent: boolean;
paddingRight?: number;
}): React.ReactNode {
const { columns } = useTerminalSize();
if (isCurrent) {
return (
<Box width="100%">
<Text italic color={color} dimColor={dimColor}>
(current)
</Text>
</Box>
);
}
const content = userMessage.message!.content;
const lastBlock = typeof content === 'string' ? null : content![content!.length - 1];
const rawMessageText =
typeof content === 'string'
? content.trim()
: lastBlock && isTextBlock(lastBlock)
? lastBlock.text.trim()
: '(no prompt)';
// Strip display-unfriendly tags (like <ide_opened_file>) before showing in the list
const messageText = stripDisplayTags(rawMessageText);
if (isEmptyMessageText(messageText)) {
return (
<Box flexDirection="row" width="100%">
<Text italic color={color} dimColor={dimColor}>
((empty message))
</Text>
</Box>
);
}
// Bash inputs
if (messageText.includes('<bash-input>')) {
const input = extractTag(messageText, 'bash-input');
if (input) {
return (
<Box flexDirection="row" width="100%">
<Text color="bashBorder">!</Text>
<Text color={color} dimColor={dimColor}>
{' '}
{input}
</Text>
</Box>
);
}
}
// Skills and slash commands
if (messageText.includes(`<${COMMAND_MESSAGE_TAG}>`)) {
const commandMessage = extractTag(messageText, COMMAND_MESSAGE_TAG);
const args = extractTag(messageText, 'command-args');
const isSkillFormat = extractTag(messageText, 'skill-format') === 'true';
if (commandMessage) {
if (isSkillFormat) {
// Skills: Display as "Skill(name)"
return (
<Box flexDirection="row" width="100%">
<Text color={color} dimColor={dimColor}>
Skill({commandMessage})
</Text>
</Box>
);
} else {
// Slash commands: Add "/" prefix and include args
return (
<Box flexDirection="row" width="100%">
<Text color={color} dimColor={dimColor}>
/{commandMessage} {args}
</Text>
</Box>
);
}
}
}
// User prompts
return (
<Box flexDirection="row" width="100%">
<Text color={color} dimColor={dimColor}>
{paddingRight
? truncate(messageText, columns - paddingRight, true)
: messageText.slice(0, 500).split('\n').slice(0, 4).join('\n')}
</Text>
</Box>
);
}
/**
* Computes the diff stats for all the file edits in-between two messages.
*/
function computeDiffStatsBetweenMessages(
messages: Message[],
fromMessageId: UUID,
toMessageId: UUID | undefined,
): DiffStats | undefined {
const startIndex = messages.findIndex(msg => msg.uuid === fromMessageId);
if (startIndex === -1) {
return undefined;
}
let endIndex = toMessageId ? messages.findIndex(msg => msg.uuid === toMessageId) : messages.length;
if (endIndex === -1) {
endIndex = messages.length;
}
const filesChanged: string[] = [];
let insertions = 0;
let deletions = 0;
for (let i = startIndex + 1; i < endIndex; i++) {
const msg = messages[i];
if (!msg || !isToolUseResultMessage(msg)) {
continue;
}
const result = msg.toolUseResult as FileEditOutput | FileWriteToolOutput;
if (!result || !result.filePath || !result.structuredPatch) {
continue;
}
if (!filesChanged.includes(result.filePath)) {
filesChanged.push(result.filePath);
}
try {
if ('type' in result && result.type === 'create') {
insertions += result.content.split(/\r?\n/).length;
} else {
for (const hunk of result.structuredPatch) {
const additions = count(hunk.lines, line => line.startsWith('+'));
const removals = count(hunk.lines, line => line.startsWith('-'));
insertions += additions;
deletions += removals;
}
}
} catch {}
}
return {
filesChanged,
insertions,
deletions,
};
}
export function selectableUserMessagesFilter(message: Message): message is UserMessage {
if (message.type !== 'user') {
return false;
}
if (Array.isArray(message.message!.content) && message.message!.content[0]?.type === 'tool_result') {
return false;
}
if (isSyntheticMessage(message)) {
return false;
}
if (message.isMeta) {
return false;
}
if (message.isCompactSummary || message.isVisibleInTranscriptOnly) {
return false;
}
const content = message.message!.content;
const lastBlock = typeof content === 'string' ? null : content![content!.length - 1];
const messageText =
typeof content === 'string' ? content.trim() : lastBlock && isTextBlock(lastBlock) ? lastBlock.text.trim() : '';
// Filter out non-user-authored messages (command outputs, task notifications, ticks).
if (
messageText.indexOf(`<${LOCAL_COMMAND_STDOUT_TAG}>`) !== -1 ||
messageText.indexOf(`<${LOCAL_COMMAND_STDERR_TAG}>`) !== -1 ||
messageText.indexOf(`<${BASH_STDOUT_TAG}>`) !== -1 ||
messageText.indexOf(`<${BASH_STDERR_TAG}>`) !== -1 ||
messageText.indexOf(`<${TASK_NOTIFICATION_TAG}>`) !== -1 ||
messageText.indexOf(`<${TICK_TAG}>`) !== -1 ||
messageText.indexOf(`<${TEAMMATE_MESSAGE_TAG}`) !== -1
) {
return false;
}
return true;
}
/**
* Checks if all messages after the given index are synthetic (interruptions, cancels, etc.)
* or non-meaningful content. Returns true if there's nothing meaningful to confirm -
* for example, if the user hit enter then immediately cancelled.
*/
export function messagesAfterAreOnlySynthetic(messages: Message[], fromIndex: number): boolean {
for (let i = fromIndex + 1; i < messages.length; i++) {
const msg = messages[i];
if (!msg) continue;
// Skip known non-meaningful message types
if (isSyntheticMessage(msg)) continue;
if (isToolUseResultMessage(msg)) continue;
if (msg.type === 'progress') continue;
if (msg.type === 'system') continue;
if (msg.type === 'attachment') continue;
if (msg.type === 'user' && msg.isMeta) continue;
// Assistant with actual content = meaningful
if (msg.type === 'assistant') {
const content = msg.message!.content;
if (Array.isArray(content)) {
const hasMeaningfulContent = content.some(
block => (block.type === 'text' && block.text.trim()) || block.type === 'tool_use',
);
if (hasMeaningfulContent) return false;
}
continue;
}
// User messages that aren't synthetic or meta = meaningful
if (msg.type === 'user') {
return false;
}
// Other types (e.g., tombstone) are non-meaningful, continue
}
return true;
}