legal-markdown-js/dist/cli/interactive/prompts/filename.js

Node.js implementation of LegalMarkdown for processing legal documents with markdown and YAML - Complete feature parity with Ruby version

/**
 * @fileoverview Output filename input prompt for Interactive CLI
 */
import { input } from '@inquirer/prompts';
import * as path from 'path';
/**
 * Prompt user for output filename (without extension)
 */
export async function promptOutputFilename(inputFile) {
    const inputBasename = path.basename(inputFile, path.extname(inputFile));
    const filename = await input({
        message: 'Enter output filename (without extension):',
        default: inputBasename,
        validate: (value) => {
            const trimmed = value.trim();
            if (!trimmed) {
                return 'Filename is required';
            }
            // Check for invalid characters (basic validation)
            const invalidChars = /[<>:"/\\|?*]/;
            if (invalidChars.test(trimmed)) {
                return 'Filename contains invalid characters';
            }
            // Check if it starts/ends with spaces or dots
            if (trimmed !== value) {
                return 'Filename cannot start or end with spaces';
            }
            if (trimmed.startsWith('.') || trimmed.endsWith('.')) {
                return 'Filename cannot start or end with dots';
            }
            return true;
        },
    });
    return filename.trim();
}
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