Issue in tsConfig options resolving

[vansosnin]

Hello!

Noticed that method that is being used to resolve ts config compiler options not working properly if passed config has extends field.

const {options} = ts.convertCompilerOptionsFromJson(tsConfig.compilerOptions);

Maybe try using parseJsonConfigFileContent from TS Compiler API? It resolves CompilerOptions well, though a bit more complicated in use: you need to create an instance of ParseConfigHost. It can be done like here.

[vansosnin]

Wrote red test. Using parseJsonConfigFileContent did not work. Have no idea now about how to resolve extending TS config. Any thoughts?

[vansosnin]

Okay, now it seems working. Can someone check the PR? @mrjoelkemp maybe?

[mrjoelkemp]

Merged and released. Thanks again!