symbol.inspect

<symbol> that can be used to declare custom inspect functions.

see https://nodejs.org/api/util.html#util_util_inspect_custom

install

npm install symbol.inspect

import SymbolInspect = require('symbol.inspect');

class A
{
    [SymbolInspect]()
    {
        return 'my custom inspect display'
    }
}

console.log(new A);