This example illustrates how you can transform your tokens stored on Figma Tokens (with GitHub sync enabled) to be automatically transformed with token-transformer and Style Dictionary in a dark/light theme environment.
Change your tokens in tokens.json (either directly or with the Figma Tokens plugin in Figma). The GitHub action will automatically generate tokens to the tokens/ directory that can then be read by Style Dictionary, which will output tokens to the format you defined in build.js - css variables will be generated in the output directory.