mui-spfx-controls/lib/utils/validateUserFunction.js

SPFx component library built with MUI

/**
 * Validates and converts a user-provided function string into an executable function.
 *
 * @param {string} code - The user-provided function code as a string.
 * @returns {((formData: Record<string, any>) => void) | null} - The validated function or null if invalid.
 */
export function validateUserFunction(code) {
    try {
        if (typeof code !== 'string' || code.trim() === '') {
            throw new Error('Invalid function: Input is not a string or is empty.');
        }
        if (!/^(\s*\(?\s*\w+\s*\)?\s*=>|function\s*\()/m.test(code)) {
            throw new Error('Invalid function: Must be an arrow function or function declaration.');
        }
        // eslint-disable-next-line no-new-func
        var fn = new Function('formData', "\"use strict\"; return (".concat(code, ")(formData);"));
        fn({});
        return fn;
    }
    catch (error) {
        console.error('Function validation error:', error);
        return null;
    }
}
//# sourceMappingURL=validateUserFunction.js.map