And from him, from Uthman ibn Isa from Sama’ah from Abu Abdillah عليه السلام, peace be upon him, who said:
Imam al-Sadiq عليه السلام said: “To eat before going out on the day of Eid is permissible and if you do not eat, there is no harm.”
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 3, p. 149