There are ways if you're ok with a build step, e.g. https://typia.io/ https://typia.io/ or https://github.com/GoogleFeud/ts-runtime-checks https://github.com/Go

There are ways if you're ok with a build step, e.g. https://typia.io/ https://typia.io/ or https://github.com/GoogleFeud/ts-runtime-checks https://github.com/GoogleFeud/ts-runtime-checks Although perhaps that's not what you mean. I found these through this https://github.com/moltar/typescript-runtime-type-benchmarks https://github.com/moltar/typescript-runtime-type-benchmarks