reachable
*typescript-throw.ts:18
    throw Error('an exception');
          ^
Error: an exception
    at *typescript-throw.ts:18:11*
    at *typescript-throw.ts:24:1*
    at Module._compile (internal/modules/cjs/loader.js:*)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:*)
    at Module.load (internal/modules/cjs/loader.js:*)
    at Function.Module._load (internal/modules/cjs/loader.js:*)
    at Module.require (internal/modules/cjs/loader.js:*)
    at require (internal/modules/cjs/helpers.js:*)
    at Object.<anonymous> (*source_map_throw_first_tick.js:5:1)
    at Module._compile (internal/modules/cjs/loader.js:*)