Simple Fireworks mod adds to Minecraft 1.14 a way to spawn fireworks with the command. Fireworks work are defined in a data package.
How to install:Install Fabric Mod Loader for 1.14.
Download Simple Fireworks mod.
Go to %appdata%.
Go to the C:\Users\User_Name\AppData\Roaming\.minecraft\mods folder.
Drag and drop the downloaded .jar file into it.
If one does not exist you can create one.
Play and enjoy!
SimpleFireworks-1.0.1+3-universal.jar [0.02 Mb]