Command line utility for generating a typescript interface from the current GLTF 2.0 JSON Schema.
npm install -g gltf-typescript-generator
gltf-typescript-generator ./GLTF.ts
gltf-typescript-generator ./GLTF.d.ts https://rawgit.com/KhronosGroup/glTF/2.0/specification/2.0/schema/glTF.schema.json