{
    "compilerOptions": {
        "module": "commonjs",
        "target": "es6",
        "allowJs": true
    },
    "include": [
        "src/**/*"
    ],
    "exclude": [
        "node_modules"
    ]
}

{
    "compilerOptions": {
        "module": "commonjs",
        "target": "es6",
        "strict": true
    },
    "include": [
        "src/**/*"
    ],
    "exclude": [
        "node_modules"
    ]
}

Remove allow js and start using strict mode for ts compiler
Remove allow js and start using strict mode for ts compiler
