assets by path ../common/ 1.86 KiB asset ../common/tsconfig.tsbuildinfo 1.68 KiB [emitted] asset ../common/index.js 139 bytes [emitted] asset ../common/index.d.ts 42 bytes [emitted] assets by path ../utils/ 1.91 KiB asset ../utils/tsconfig.tsbuildinfo 1.67 KiB [emitted] asset ../utils/index.js 249 bytes [emitted] asset bundle.js 3.71 KiB [emitted] (name: main) cached modules 155 bytes [cached] 1 module code generated modules 497 bytes [code generated] ./app.ts 248 bytes [built] [code generated] ../utils/index.ts 249 bytes [built] [code generated] ../common/index.ts 139 bytes [built] [1 error] ERROR in common/index.ts ../common/index.ts 2:2-8 [tsl] ERROR in common/index.ts(2,3)  TS2322: Type 'number' is not assignable to type 'string'. ts-loader-default_b7d520153c6e6cf9 @ ../utils/index.ts 5:15-35 @ ./app.ts 4:14-33 webpack compiled with 1 error