tsconfig.json

{
    "compilerOptions": {
        "baseUrl": ".",
        "paths": { "*": ["types/*"] },
        /* Basic Options */
        "target": "ESNEXT" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017','ES2018' or 'ESNEXT'. */,
        "module": "ESNext" /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */,
        "lib": [
            "dom",
            "es5",
            "es2015",
            "es2017"
        ] /* Specify library files to be included in the compilation. */,
        "allowJs": true /* Allow javascript files to be compiled. */,
        // "checkJs": true,                       /* Report errors in .js files. */
        "jsx": "react" /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */,
        // "declaration": true /* Generates corresponding '.d.ts' file. */,
        // "sourceMap": true,                     /* Generates corresponding '.map' file. */
        // "outFile": "./",                       /* Concatenate and emit output to single file. */
        // "outDir": "./",                        /* Redirect output structure to the directory. */
        "rootDir": "./" /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */,
        // "removeComments": true,                /* Do not emit comments to output. */
        // "noEmit": true,                        /* Do not emit outputs. */
        // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
        // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
        // "isolatedModules": true,               /* 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. */,
        "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": [
            "typings",
            "node_modules/@types"
        ] /* List of folders to include type definitions from. */,
        "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 */
        // "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. */
    },
    "include": ["src", "typings", "OldSrc/sagas"],
    "exclude": ["node_modules", "build", "dist", ".cache"]
}