tsconfig.json

{
    "compilerOptions": {
        "typeRoots": [
            "node_modules/@types"
        ],
        "module": "commonjs",
        "moduleResolution": "node",
        "target": "es6",
        "sourceMap": true,
        "outDir": "js/",
        "allowJs": true,
        "rootDir": "src",
        "noUnusedLocals": true,
        "noUnusedParameters": true,
        "strictNullChecks": true,
        "noImplicitThis": true,
        "noFallthroughCasesInSwitch": true,
        "alwaysStrict": true,
        "forceConsistentCasingInFileNames": true,
        "noEmitOnError": true,
        "noImplicitAny": true,
        "pretty": true
    },
    "include": [
        "src/**/*"
    ],
    "exclude": [
        "src/templates.js"
    ]
}