Configuration languages are just structured data, and programming languages also need to be able to express complex literal data.
JSON is already explicitly designed as a ~subset of JavaScript. An equivalent of a JSON written as a JavaScript literal is easier to read than JSON. The only problem is that we often don't want to use an interpreter to parse data.
JSON is already explicitly designed as a ~subset of JavaScript. An equivalent of a JSON written as a JavaScript literal is easier to read than JSON. The only problem is that we often don't want to use an interpreter to parse data.