Generate random Dungeons & Dragons gemstone descriptions.

• Node.js 20 or newer

npm install
npm start -- --random 5
npm start -- --type Diamond --random 1
npm start -- --currency gp --value 100 --comparison '<='
npm start -- --log --currency sp

Build and test:

npm test

Options:

• --type, -t: exact gem name
• --value, -v: gem value
• --comparison, -c: <, <=, =, >=, or >
• --currency, --cr: GP, SP, CP, EP, or PP (short forms accepted)
• --random, --rand: number of gems to generate
• --log: print matching gem and variation counts