assets by status 2.19 KiB [compared for emit]
  asset lib/tsconfig.tsbuildinfo 1.7 KiB [compared for emit]
  asset lib/index.js.map 218 bytes [compared for emit]
  asset lib/index.js 200 bytes [compared for emit]
  asset lib/index.d.ts 84 bytes [compared for emit]
assets by status 3.88 KiB [emitted]
  asset bundle.js 2.7 KiB [emitted] (name: main)
  asset tsconfig.tsbuildinfo 1.17 KiB [emitted]
  asset app.d.ts 11 bytes [emitted]
./app.ts 167 bytes [built] [code generated]
./lib/index.ts 167 bytes [built] [code generated] [1 error]

ERROR in lib/index.ts
./lib/index.ts 6:6-7
[90m[tsl] [39m[1m[31mERROR[39m[22m[1m[31m in [39m[22m[1m[36mlib/index.ts(6,7)[39m[22m
[1m[31m      TS2322: Type 'number' is not assignable to type 'string'.[39m[22m
ts-loader-default_16c1704dade3bd5f
 @ ./app.ts 3:12-28

webpack compiled with 1 error