import yaml from 'yaml';
function isData(value) {
    return typeof value === 'object' && value !== null && !Array.isArray(value) ? true : Array.isArray(value);
}
export function dataType(input) {
    if (input == null)
        throw new Error('Empty input');
    const text = input.trim();
    if (!text)
        throw new Error('Empty input');
    // 1) Try JSON first (strict) - only accept objects/arrays, not primitives
    try {
        const value = JSON.parse(text);
        if (isData(value)) {
            return { type: 'json', value };
        }
    }
    catch {
        // ignore
    }
    // 2) Try YAML - accept only structured data (objects/arrays)
    try {
        const value = yaml.parse(text);
        if (value !== undefined && isData(value)) {
            return { type: 'yaml', value };
        }
        // If YAML parsed but returned a primitive or undefined, fall through to throw
    }
    catch {
        // YAML parsing failed, fall through to throw
    }
    // For primitives or malformed input, throw error so it's stored as-is
    throw new Error('Input is neither valid JSON nor valid YAML');
}
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