tsconfig.json

{
	"compilerOptions": {
		/* Basic Options */
		"target": "esnext", 							    /* 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'. */
        "jsx": "react",
		"removeComments": true,               /* Do not emit comments to output. */
		"noEmit": true,                       /* Do not emit outputs. */
		"importHelpers": true,                /* Import emit helpers from 'tslib'. */
		"strict": true, 							        /* Enable all strict type-checking options. */
		"noImplicitAny": false,						    /* Raise error on expressions and declarations with an implied 'any' type. */
		"strictNullChecks": true,					    /* Enable strict null checks. */
		"strictFunctionTypes": true,				  /* Enable strict checking of function types. */
		"strictBindCallApply": true,          /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
		"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). */
		"typeRoots": [                        /* List of folders to include type definitions from. */
      "./node_modules/@polkadot/ts",
      "./node_modules/@types",
      "./src/@types"
    ],
		// "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'. */
		"experimentalDecorators": true,       /* Enables experimental support for ES7 decorators. */
    "skipLibCheck": true,
    "resolveJsonModule": true
	},
  "include": [
    "./src/**/*"
  ]
}