Added improved `domainDest` option validation
Added improved `domainDest` option validation

javascript-obfuscator/javascript-obfuscator,sanex3339/javascript-obfuscator,javascript-obfuscator/javascript-obfuscator,sanex3339/javascript-obfuscator,javascript-obfuscator/javascript-obfuscator,sanex3339/javascript-obfuscator