tsconfig.json

{
  "include": [
    "lib"
  ],
  "files": [
    "./node_modules/@nomiclabs/hardhat-ethers/src/types/index.ts",
    "./node_modules/@nomiclabs/hardhat-waffle/src/type-extensions.ts",
    "./node_modules/@nomiclabs/hardhat-etherscan/src/type-extensions.ts"
  ],
  "compilerOptions": {
    "target": "ES2016", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */
    "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    "allowJs": false, /* Allow javascript files to be compiled. */
    "outDir": "./dist", /* Redirect output structure to the directory. */
    "strict": true, /* Enable all strict type-checking options. */
    "noEmitOnError": false,
    "noImplicitAny": false, /* Raise error on expressions and declarations with an implied 'any' type. */
    "incremental": true,
    "declaration": true,
    "lib": [
      "dom",
      "es2017"
    ],
    "strictNullChecks": true, /* Enable strict null checks. */
    "strictFunctionTypes": true, /* Enable strict checking of function types. */
    "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */
    "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */
    "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */
    /* Additional Checks */
    "noUnusedLocals": true, /* 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. */
    /* Module Resolution Options */
    "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
    "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
    // "paths": {},                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
    // "typeRoots": [],                       /* List of folders to include type definitions from. */
    // "types": [],                           /* Type declaration files to be included in compilation. */
    // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
    "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
    /* Source Map Options */
    "sourceMap": true,
    // "sourceRoot": "./",                    /* Specify the location where debugger should locate TypeScript files instead of source locations. */
    // "mapRoot": "./",                       /* Specify the location where debugger should locate map files instead of generated locations. */
    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
    /* Experimental Options */
    // "experimentalDecorators": true,        /* Enables experimental support for ES7 decorators. */
    // "emitDecoratorMetadata": true,         /* Enables experimental support for emitting type metadata for decorators. */
    "skipLibCheck": true,
    "resolveJsonModule": true
  }
}