east Function – LookupTrait

const LookupTrait:
Trait<Defaulted<InputTypes<{ lookup: (t?: number) => number | undefined }>, Partial<InputTypes<{ lookup: (t?: number) => number | undefined }>>>,
OutputTypes<{ lookup: (t?: number) => number | undefined }>>
 = (
  input: A,
  output: B,
  hooks: UseHooks,
) => void

Source

packages / scene / src / traits.ts