@hhoangphuoc/escape-room-cli/dist/utils/tabCompletion.js

A CLI for playing AI-generated escape room games. Install globally with: npm install -g @hhoangphuoc/escape-room-cli

// Tab completion utilities for CLI commands and object names
import { COMMANDS } from '../types/constants.js';
// Find common prefix of multiple strings
export function findCommonPrefix(strings) {
    if (strings.length === 0)
        return '';
    if (strings.length === 1)
        return strings[0] || '';
    let prefix = strings[0] || '';
    for (let i = 1; i < strings.length; i++) {
        const current = strings[i];
        if (!current || !prefix)
            break;
        let j = 0;
        while (j < prefix.length && j < current.length && prefix[j] === current[j]) {
            j++;
        }
        prefix = prefix.substring(0, j);
        if (prefix === '')
            break;
    }
    return prefix || '';
}
// Get command completions for '/' prefixed input
export function getCommandCompletions(input) {
    const availableCommands = Object.keys(COMMANDS);
    const inputLower = input.toLowerCase();
    const suggestions = availableCommands.filter(cmd => cmd.startsWith(inputLower));
    const commonPrefix = findCommonPrefix(suggestions);
    return {
        suggestions,
        commonPrefix,
        hasUniqueMatch: suggestions.length === 1
    };
}
// Get object name completions for inspect/guess commands
export function getObjectCompletions(input, objects) {
    const inputLower = input.toLowerCase();
    const suggestions = objects.filter(obj => obj.toLowerCase().startsWith(inputLower));
    const commonPrefix = findCommonPrefix(suggestions);
    return {
        suggestions,
        commonPrefix,
        hasUniqueMatch: suggestions.length === 1
    };
}
// Parse command and get appropriate completions
export function getCompletions(input, context) {
    const trimmed = input.trim();
    // If input starts with '/', complete commands
    if (trimmed.startsWith('/')) {
        const parts = trimmed.split(/\s+/);
        const command = parts[0] || '';
        // If we're still typing the command itself
        if (parts.length === 1) {
            return getCommandCompletions(command);
        }
        // If we have a complete command, check if it needs object completion
        if (command === '/inspect' || command === '/guess') {
            const objectInput = parts[1] || '';
            return getObjectCompletions(objectInput, context.currentRoomObjects);
        }
    }
    // No completions available
    return {
        suggestions: [],
        commonPrefix: '',
        hasUniqueMatch: false
    };
}
// Apply tab completion to current input
export function applyTabCompletion(input, context) {
    const trimmed = input.trim();
    const completion = getCompletions(trimmed, context);
    if (completion.suggestions.length === 0) {
        return input; // No completions available
    }
    const parts = trimmed.split(/\s+/);
    if (trimmed.startsWith('/')) {
        if (parts.length === 1) {
            // Completing command
            if (completion.hasUniqueMatch) {
                return completion.suggestions[0] + ' ';
            }
            else if (completion.commonPrefix.length > trimmed.length) {
                return completion.commonPrefix;
            }
        }
        else if (parts.length >= 2 && (parts[0] === '/inspect' || parts[0] === '/guess')) {
            // Completing object name
            if (completion.hasUniqueMatch) {
                const newParts = [...parts];
                newParts[1] = completion.suggestions[0] || '';
                return newParts.join(' ') + (parts[0] === '/guess' ? ' ' : '');
            }
            else if (completion.commonPrefix.length > (parts[1] || '').length) {
                const newParts = [...parts];
                newParts[1] = completion.commonPrefix;
                return newParts.join(' ');
            }
        }
    }
    return input;
}
// Get suggestion display info for UI
export function getCompletionDisplayInfo(input, context) {
    const completion = getCompletions(input.trim(), context);
    if (completion.suggestions.length === 0) {
        return null;
    }
    const parts = input.trim().split(/\s+/);
    let title = '';
    let currentMatch = '';
    if (input.trim().startsWith('/')) {
        if (parts.length === 1) {
            title = 'Available Commands';
            currentMatch = parts[0] || '';
        }
        else if (parts.length >= 2 && (parts[0] === '/inspect' || parts[0] === '/guess')) {
            title = 'Available Objects';
            currentMatch = parts[1] || '';
        }
    }
    return {
        title,
        suggestions: completion.suggestions,
        currentMatch,
        hasUniqueMatch: completion.hasUniqueMatch
    };
}