tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "target": "es6",
    "outDir": "out",
    "lib": ["es6"],
    "sourceMap": true,
    "resolveJsonModule": true,
    "baseUrl": "./",
    "paths": {
      "@/*": ["./src/*"]
    },
    // Note: To transform paths for both the output .js and .d.ts files, you need both of the below entries
    "plugins": [
      // Transform paths in output .js files
      {
        "transform": "typescript-transform-paths",
        "exclude": ["**/node_modules/**"]
      },
      // Transform paths in output .d.ts files (Include this line if you output declarations files)
      {
        "transform": "typescript-transform-paths",
        "afterDeclarations": true,
        "exclude": ["**/node_modules/**"]
      }
    ],
    "rootDir": ".",
    "strict": true,
    /* Additional Checks */
    // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
    "esModuleInterop": true,
    "noUnusedLocals": true,
    "noImplicitThis": true,
    "noImplicitReturns": true,
    "strictNullChecks": true,
    "noUnusedParameters": true,
    "allowJs": true,
    "checkJs": false,
    "skipLibCheck": true,
    "typeRoots": ["./node_modules/@types", "./node_modules/@machinomy", "./src/debugger/types"]
  },
  "include": [
    ".eslintrc.js",
    "src/**/*.js",
    "src/**/*.ts",
    "src/**/*.json",
    "test/**/*.js",
    "test/**/*.ts",
    "test/**/*.json"
  ],
  "exclude": ["node_modules", ".vscode-test", "drizzleUI", "ui-test"],

  // In order for `ts-node`[1] to load `.d.ts` definitions,
  // we need to explicitly enable the `files`[2] option.
  //
  // We use `.d.ts` definitions to declare variables outside `src/`,
  // for instance `IS_BUILD_TIME` from `webpack.common.js`.
  //
  // Since we invoke `ts-node` from `.mocharc.js`,
  // we need to enable this option here.
  //
  // [1] https://typestrong.org/ts-node/docs/configuration/#via-tsconfigjson-recommended
  // [2] https://typestrong.org/ts-node/docs/options#files
  "ts-node": {
    "files": true
  }
}