I think what would be interesting would have the JS files created with different outputs
For example the typescript file test-async-main.ts would generate several versions of the files:
- test-async-main-fail-es5.js
- test-async-main-fail-es6.js
- test-async-main-fail-es2015.js
- test-async-main-fail-es2016.js
- test-async-main-fail-es2017.js
- test-async-main-fail-es2018.js
- test-async-main-fail-esnext.js
The header of the file should include the tsconfig.json that was used to generate the file.
This would be useful in learning about the differences in files.