tsconfig.json

{
  "extends": "./node_modules/@polkadot/dev/config/tsconfig",
  "compilerOptions": {
    "baseUrl": ".",
    "paths": {
      "@polkadot/app-accounts/*": [ "packages/app-accounts/src/*" ],
      "@polkadot/app-addresses/*": [ "packages/app-addresses/src/*" ],
      "@polkadot/app-democracy/*": [ "packages/app-democracy/src/*" ],
      "@polkadot/app-explorer/*": [ "packages/app-explorer/src/*" ],
      "@polkadot/app-extrinsics/*": [ "packages/app-extrinsics/src/*" ],
      "@polkadot/app-rpc/*": [ "packages/app-rpc/src/*" ],
      "@polkadot/app-settings/*": [ "packages/app-settings/src/*" ],
      "@polkadot/app-staking/*": [ "packages/app-staking/src/*" ],
      "@polkadot/app-storage/*": [ "packages/app-storage/src/*" ],
      "@polkadot/app-toolbox/*": [ "packages/app-toolbox/src/*" ],
      "@polkadot/app-transfer/*": [ "packages/app-transfer/src/*" ],
      "@polkadot/app-vanitygen/*": [ "packages/app-vanitygen/src/*" ],
      "@polkadot/apps/*": [ "packages/apps/src/*" ],
      "@polkadot/ui-app/*": [ "packages/ui-app/src/*" ],
      "@polkadot/ui-react-rx/*": [ "packages/ui-react-rx/src/*" ],
      "@polkadot/ui-signer/*": [ "packages/ui-signer/src/*" ]
    },
    "typeRoots": [
      "./node_modules/@polkadot/ts",
      "./node_modules/@types"
    ]
  }
}