tsconfig.json

{
    "include": [
        "src",
        "test",
        "types"
    ],
    "exclude": [
        "node_modules"
    ],
    "compilerOptions": {
        "module": "ESNext",
        "target": "ESNext",
        "moduleResolution": "node",
        "jsx": "preserve",
        "baseUrl": "./",
        "isolatedModules": true,
        "noEmit": true,
        "strict": true,
        "skipLibCheck": true,
        "types": [
            "mocha",
            "snowpack-env"
        ],
        "forceConsistentCasingInFileNames": true,
        "resolveJsonModule": true,
        "allowSyntheticDefaultImports": true,
        "importsNotUsedAsValues": "error",
        "esModuleInterop": true,
        "paths": {
            "~/*": [
                "./src/*"
            ]
        },
        "lib": [
            "DOM",
            "DOM.Iterable",
            "ESNext",
            "ESNext.Array",
            "ESNext.AsyncIterable",
            "ESNext.BigInt",
            "ESNext.Intl",
            "ESNext.Promise",
            "ESNext.String",
            "ESNext.Symbol",
            "ScriptHost",
            "WebWorker"
        ]
    }
}