tsconfig.json

{
	"compilerOptions": {
		/* Basic Options */
		"target": "es2017" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
		"module": "ESNext" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */,
		"lib": [
			"es6",
			"dom",
			"es2016",
			"es2017"
		] /* Specify library files to be included in the compilation. */,
		"typeRoots": ["./node_modules/@types"],
		"types": ["@types/jest", "@types/node"],
		"allowJs": true /* Allow javascript files to be compiled. */,
		"jsx": "react" /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */,
		"declaration": true /* Generates corresponding '.d.ts' file. */,
		"declarationDir": "./dist",
		"sourceMap": true /* Generates corresponding '.map' file. */,
		"removeComments": true /* Do not emit comments to output. */,
		"noEmit": true /* Do not emit outputs. */,
		"importHelpers": true /* Import emit helpers from 'tslib'. */ /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */,

		/* Strict Type-Checking Options */
		"strict": true /* Enable all strict type-checking options. */,
		"noImplicitAny": true /* 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). */,
		"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'. */,
		"skipLibCheck": true /* Skip type checking of declaration files. */,
		"forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */,
		"suppressImplicitAnyIndexErrors": true
	},
	"include": ["lib"],
	"exclude": ["node_modules", "build", "dist"]
}