Agree with the code generation approach. Otherwise you need to make sure the annotations are in sync with the type / class / interface. Typescript doesn't supp

Agree with the code generation approach. Otherwise you need to make sure the annotations are in sync with the type / class / interface. Typescript doesn't support macro currently, so code generation is the only way to programmatically create 'type-checked' code. Some cli-tool and library I'm using (available on npm): tsc-macro: https://github.com/beenotung/tsc-macro https://github.com/beenotung/tsc-macro gen-ts-type: https://github.com/beenotung/gen-ts-type https://github.com/beenotung/gen-ts-type ts-type-check: https://github.com/beenotung/ts-type-check https://github.com/beenotung/ts-type-check