tsconfig.json

{
    "compilerOptions": {
        "incremental": true,
        "target": "es2016",
        "outDir": "build",
        "removeComments": true,
        "moduleResolution": "node",
        "module": "commonjs",
        "declaration": false,
        "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
        "resolveJsonModule": true /* Include modules imported with .json extension. */,
        "sourceMap": true,
        "baseUrl": "src",
        "allowJs": false,
        "skipLibCheck": true,
        // "strict": true /* Enable all strict type-checking options. */,

        /* 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": false /* Report error when not all code paths in function return a value. */,
        "noFallthroughCasesInSwitch": true /* Report errors for fallthrough cases in switch statement. */,

        /* Debugging Options */
        "traceResolution": false /* Report module resolution log messages. */,
        "listEmittedFiles": false /* Print names of generated files part of the compilation. */,
        "listFiles": false /* Print names of files part of the compilation. */,
        "pretty": true /* Stylize errors and messages using color and context. */,

        /* Experimental Options */
        "experimentalDecorators": true /* Enables experimental support for ES7 decorators. */,
        "emitDecoratorMetadata": true /* Enables experimental support for emitting type metadata for decorators. */,

        "lib": ["esnext"],
        "types": ["node"],
        "typeRoots": ["node_modules/@types", "src/types"]
    },
    "include": [
        "src/**/*.ts",
        "./package.json",
        "tests/**/*.ts",
        "src/**/*.js",
        "./.eslintrc.json",
        "src/**/*.jpg"
    ],
    "exclude": ["node_modules/**", "client/*"],
    "compileOnSave": false
}