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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | 3x 8x 1x 1x 1x 5x 3x 8x 4x 1x 1x 1x 1x 3x 12x 12x 12x 12x 14x 14x 12x 12x 12x 12x 8x | import {
Box,
TextButton,
TextButtonSize,
Text as TextComponent,
TextVariant,
} from '@metamask/design-system-react';
import { useEffect, useRef } from 'react';
import { usePanelContext } from '../context/PanelContext.tsx';
import type { OutputType } from '../context/PanelContext.tsx';
import { LoadingDots } from './shared/LoadingDots.tsx';
const getLogTypeIcon = (type: OutputType): string => {
switch (type) {
case 'received':
return '←';
case 'error':
return '⚠';
case 'success':
return '✓';
case 'sent':
default:
return '→';
}
};
const getLogTypeStyles = (type: OutputType): string => {
switch (type) {
case 'sent':
return 'text-text-muted';
case 'received':
return 'text-text-default mb-2';
case 'error':
return 'text-error-default mb-2';
case 'success':
return 'text-success-default mb-2';
default:
return 'text-text-default';
}
};
/**
* @returns A panel for sending messages to the kernel.
*/
export const MessagePanel: React.FC = () => {
const { panelLogs, clearLogs, isLoading } = usePanelContext();
const messageScrollRef = useRef<HTMLDivElement>(null);
// Scroll to the bottom of the message output when the panel logs change
useEffect(() => {
const scrollToBottom = (): void => {
Eif (messageScrollRef.current) {
messageScrollRef.current.scrollTop =
messageScrollRef.current.scrollHeight;
}
};
// Scroll immediately
scrollToBottom();
// Also scroll after a small delay to ensure DOM is updated
const timeoutId = setTimeout(scrollToBottom, 0);
return () => clearTimeout(timeoutId);
}, [panelLogs]);
return (
<Box className="h-full flex flex-col rounded-md overflow-hidden">
<Box className="p-3 border-b border-muted flex justify-between items-center h-10">
<TextComponent variant={TextVariant.BodySm}>
Message History
</TextComponent>
{panelLogs.length > 0 && (
<TextButton
size={TextButtonSize.BodyXs}
data-testid="clear-logs-button"
onClick={clearLogs}
className="min-w-0"
>
Clear
</TextButton>
)}
</Box>
<div
className="flex-1 font-mono text-xs leading-relaxed p-3 rounded-none text-text-default overflow-y-auto"
style={{
boxShadow: 'inset 0 0 10px 0 var(--color-shadow-default)',
}}
ref={messageScrollRef}
role="log"
>
<Box data-testid="message-output">
{panelLogs.map((log, index) => (
<Box key={index} className={`${getLogTypeStyles(log.type)}`}>
<span className="inline-block text-center mr-1">
{getLogTypeIcon(log.type)}
</span>
<span className="whitespace-pre-wrap">{log.message}</span>
</Box>
))}
{isLoading && <LoadingDots />}
</Box>
</div>
</Box>
);
};
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