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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { Box, Text } from 'ink';
import { Colors } from '../colors.js';
import { PrepareLabel } from './PrepareLabel.js';
export interface Suggestion {
label: string;
value: string;
description?: string;
matchedIndex?: number;
}
interface SuggestionsDisplayProps {
suggestions: Suggestion[];
activeIndex: number;
isLoading: boolean;
width: number;
scrollOffset: number;
userInput: string;
}
export const MAX_SUGGESTIONS_TO_SHOW = 8;
export function SuggestionsDisplay({
suggestions,
activeIndex,
isLoading,
width,
scrollOffset,
userInput,
}: SuggestionsDisplayProps) {
if (isLoading) {
return (
<Box paddingX={1} width={width}>
<Text color="gray">Loading suggestions...</Text>
</Box>
);
}
if (suggestions.length === 0) {
return null; // Don't render anything if there are no suggestions
}
// Calculate the visible slice based on scrollOffset
const startIndex = scrollOffset;
const endIndex = Math.min(
scrollOffset + MAX_SUGGESTIONS_TO_SHOW,
suggestions.length,
);
const visibleSuggestions = suggestions.slice(startIndex, endIndex);
return (
<Box flexDirection="column" paddingX={1} width={width}>
{scrollOffset > 0 && <Text color={Colors.Foreground}>▲</Text>}
{visibleSuggestions.map((suggestion, index) => {
const originalIndex = startIndex + index;
const isActive = originalIndex === activeIndex;
const textColor = isActive ? Colors.AccentPurple : Colors.Gray;
const labelElement = (
<PrepareLabel
label={suggestion.label}
matchedIndex={suggestion.matchedIndex}
userInput={userInput}
textColor={textColor}
/>
);
return (
<Box key={`${suggestion.value}-${originalIndex}`} width={width}>
<Box flexDirection="row">
{userInput.startsWith('/') ? (
// only use box model for (/) command mode
<Box width={20} flexShrink={0}>
{labelElement}
</Box>
) : (
labelElement
)}
{suggestion.description ? (
<Box flexGrow={1}>
<Text color={textColor} wrap="wrap">
{suggestion.description}
</Text>
</Box>
) : null}
</Box>
</Box>
);
})}
{endIndex < suggestions.length && <Text color="gray">▼</Text>}
{suggestions.length > MAX_SUGGESTIONS_TO_SHOW && (
<Text color="gray">
({activeIndex + 1}/{suggestions.length})
</Text>
)}
</Box>
);
}
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