tsconfig.json

{
    "compilerOptions": {
        "target": "es2022",
        "strict": true,
        "esModuleInterop": true,
        "skipLibCheck": true,

        "types": ["@iobroker/types"],
        // Don't output anything when the build fails
        "noEmitOnError": true,
        "moduleResolution": "classic",
        // What to output where
        "outDir": "./dist/esm",
        "module": "ES2020", // will be transpiled to CommonJS in the post-build step
        "declaration": true,
        "removeComments": false,
        "sourceMap": true,
        "inlineSources": true,
        "inlineSourceMap": false,

        // Strictness flags - check the base config before adding something here
        // "importsNotUsedAsValues": "error",
        "ignoreDeprecations": "5.0",
        "noUnusedLocals": true,
        "noImplicitReturns": true,
        "noFallthroughCasesInSwitch": true,
        "useUnknownInCatchVariables": false,

        "lib": ["DOM", "es2019", "es2020.promise", "es2020.bigint", "es2020.string"]
    },
    "include": ["./src/**/*"],
    "exclude": ["node_modules", "**/*.spec.ts"]
}