terminal-chat-ui/dist/utils/messageFormatting.js

Shared UI components for terminal-based chat interfaces using Theater actors

/**
 * Message formatting utilities
 */
/**
 * Get default message prefixes based on UI variant
 */
export function getMessagePrefixes(variant = 'default') {
    const base = {
        user: '👤 You: ',
        assistant: 'Assistant: ',
        system: 'ℹ️  system: ',
        tool: '[tool] '
    };
    switch (variant) {
        case 'git':
            return { ...base, system: '[git] ', assistant: 'Git Assistant: ' };
        case 'chat':
            return { ...base, assistant: 'Chat: ' };
        default:
            return base;
    }
}
/**
 * Get content color for message role
 */
export function getMessageColor(role, variant = 'default') {
    const colors = {
        user: 'gray',
        assistant: 'white',
        system: 'gray',
        tool: 'magenta',
        error: 'red'
    };
    return colors[role] || 'white';
}
/**
 * Format message content for display
 */
export function formatMessageContent(content, maxLineLength) {
    if (!maxLineLength)
        return content;
    return content
        .split('\n')
        .map(line => {
        if (line.length <= maxLineLength)
            return line;
        // Simple word wrapping
        const words = line.split(' ');
        const wrappedLines = [];
        let currentLine = '';
        for (const word of words) {
            if ((currentLine + ' ' + word).length <= maxLineLength) {
                currentLine = currentLine ? currentLine + ' ' + word : word;
            }
            else {
                if (currentLine)
                    wrappedLines.push(currentLine);
                currentLine = word;
            }
        }
        if (currentLine)
            wrappedLines.push(currentLine);
        return wrappedLines.join('\n');
    })
        .join('\n');
}
/**
 * Extract tool information from message content
 */
export function extractToolInfo(content) {
    // Simple tool detection - could be enhanced based on message format
    const toolPattern = /\[tool\]\s*(\w+)(?::\s*(.+))?/;
    const match = content.match(toolPattern);
    if (match) {
        const [, toolName, argsString] = match;
        const toolArgs = argsString ? argsString.split(/\s+/) : [];
        return { toolName, toolArgs };
    }
    return {};
}
/**
 * Filter messages based on criteria
 */
export function filterMessages(messages, criteria) {
    return messages.filter(message => {
        if (criteria.role && message.role !== criteria.role)
            return false;
        if (criteria.status && message.status !== criteria.status)
            return false;
        if (criteria.hideEmpty && !message.content.trim())
            return false;
        if (criteria.hideSystem && message.role === 'system')
            return false;
        return true;
    });
}