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import { useStore } from '@nanostores/react';
import React, { memo, useEffect, useRef, useState } from 'react';
import { Panel, type ImperativePanelHandle } from 'react-resizable-panels';
import { IconButton } from '~/components/ui/IconButton';
import { shortcutEventEmitter } from '~/lib/hooks';
import { themeStore } from '~/lib/stores/theme';
import { workbenchStore } from '~/lib/stores/workbench';
import { classNames } from '~/utils/classNames';
import { Terminal, type TerminalRef } from './Terminal';
import { createScopedLogger } from '~/utils/logger';
const logger = createScopedLogger('Terminal');
const MAX_TERMINALS = 3;
export const DEFAULT_TERMINAL_SIZE = 25;
export const TerminalTabs = memo(() => {
const showTerminal = useStore(workbenchStore.showTerminal);
const theme = useStore(themeStore);
const terminalRefs = useRef<Array<TerminalRef | null>>([]);
const terminalPanelRef = useRef<ImperativePanelHandle>(null);
const terminalToggledByShortcut = useRef(false);
const [activeTerminal, setActiveTerminal] = useState(0);
const [terminalCount, setTerminalCount] = useState(1);
const addTerminal = () => {
if (terminalCount < MAX_TERMINALS) {
setTerminalCount(terminalCount + 1);
setActiveTerminal(terminalCount);
}
};
useEffect(() => {
const { current: terminal } = terminalPanelRef;
if (!terminal) {
return;
}
const isCollapsed = terminal.isCollapsed();
if (!showTerminal && !isCollapsed) {
terminal.collapse();
} else if (showTerminal && isCollapsed) {
terminal.resize(DEFAULT_TERMINAL_SIZE);
}
terminalToggledByShortcut.current = false;
}, [showTerminal]);
useEffect(() => {
const unsubscribeFromEventEmitter = shortcutEventEmitter.on('toggleTerminal', () => {
terminalToggledByShortcut.current = true;
});
const unsubscribeFromThemeStore = themeStore.subscribe(() => {
for (const ref of Object.values(terminalRefs.current)) {
ref?.reloadStyles();
}
});
return () => {
unsubscribeFromEventEmitter();
unsubscribeFromThemeStore();
};
}, []);
return (
<Panel
ref={terminalPanelRef}
defaultSize={showTerminal ? DEFAULT_TERMINAL_SIZE : 0}
minSize={10}
collapsible
onExpand={() => {
if (!terminalToggledByShortcut.current) {
workbenchStore.toggleTerminal(true);
}
}}
onCollapse={() => {
if (!terminalToggledByShortcut.current) {
workbenchStore.toggleTerminal(false);
}
}}
>
<div className="h-full">
<div className="bg-bolt-elements-terminals-background h-full flex flex-col">
<div className="flex items-center bg-bolt-elements-background-depth-2 border-y border-bolt-elements-borderColor gap-1.5 min-h-[34px] p-2">
{Array.from({ length: terminalCount + 1 }, (_, index) => {
const isActive = activeTerminal === index;
return (
<React.Fragment key={index}>
{index == 0 ? (
<button
key={index}
className={classNames(
'flex items-center text-sm cursor-pointer gap-1.5 px-3 py-2 h-full whitespace-nowrap rounded-full',
{
'bg-bolt-elements-terminals-buttonBackground text-bolt-elements-textSecondary hover:text-bolt-elements-textPrimary':
isActive,
'bg-bolt-elements-background-depth-2 text-bolt-elements-textSecondary hover:bg-bolt-elements-terminals-buttonBackground':
!isActive,
},
)}
onClick={() => setActiveTerminal(index)}
>
<div className="i-ph:terminal-window-duotone text-lg" />
Bolt Terminal
</button>
) : (
<React.Fragment>
<button
key={index}
className={classNames(
'flex items-center text-sm cursor-pointer gap-1.5 px-3 py-2 h-full whitespace-nowrap rounded-full',
{
'bg-bolt-elements-terminals-buttonBackground text-bolt-elements-textPrimary': isActive,
'bg-bolt-elements-background-depth-2 text-bolt-elements-textSecondary hover:bg-bolt-elements-terminals-buttonBackground':
!isActive,
},
)}
onClick={() => setActiveTerminal(index)}
>
<div className="i-ph:terminal-window-duotone text-lg" />
Terminal {terminalCount > 1 && index}
</button>
</React.Fragment>
)}
</React.Fragment>
);
})}
{terminalCount < MAX_TERMINALS && <IconButton icon="i-ph:plus" size="md" onClick={addTerminal} />}
<IconButton
className="ml-auto"
icon="i-ph:caret-down"
title="Close"
size="md"
onClick={() => workbenchStore.toggleTerminal(false)}
/>
</div>
{Array.from({ length: terminalCount + 1 }, (_, index) => {
const isActive = activeTerminal === index;
logger.debug(`Starting bolt terminal [${index}]`);
if (index == 0) {
return (
<Terminal
key={index}
id={`terminal_${index}`}
className={classNames('h-full overflow-hidden', {
hidden: !isActive,
})}
ref={(ref) => {
terminalRefs.current.push(ref);
}}
onTerminalReady={(terminal) => workbenchStore.attachBoltTerminal(terminal)}
onTerminalResize={(cols, rows) => workbenchStore.onTerminalResize(cols, rows)}
theme={theme}
/>
);
} else {
return (
<Terminal
key={index}
id={`terminal_${index}`}
className={classNames('h-full overflow-hidden', {
hidden: !isActive,
})}
ref={(ref) => {
terminalRefs.current.push(ref);
}}
onTerminalReady={(terminal) => workbenchStore.attachTerminal(terminal)}
onTerminalResize={(cols, rows) => workbenchStore.onTerminalResize(cols, rows)}
theme={theme}
/>
);
}
})}
</div>
</div>
</Panel>
);
});
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