tsconfig.json

{
  "compilerOptions": {
    "target": "es2018",
    "declaration": true,
    "declarationMap": true,
    "esModuleInterop": true,
    "moduleResolution": "node",
    "rootDir": ".",
    "outDir": "dist",
    "baseUrl": ".",
    "paths": {
      "*": ["packages/*"]
    },

    "strict": true,                           /* Enable all strict type-checking options. */
    "strictPropertyInitialization": false,    /* Disable strict property initialization check since services are initialized by the manager */

    "noUnusedLocals": false,                   /* Report errors on unused locals. */
    "noUnusedParameters": true,               /* Report errors on unused parameters. */
    "noImplicitReturns": true,                /* Report error when not all code paths in function return a value. */
    "noFallthroughCasesInSwitch": true,       /* Report errors for fallthrough cases in switch statement. */

    "experimentalDecorators": true            /* Enables experimental support for ES7 decorators. */
  },
  "exclude": [
    "./packages/@glimmerx/storybook",
    "./packages/@glimmerx/prettier-plugin-component-templates",
    "./type-tests"
  ]
}