Due to the typographic traditions I'm used to, I prefer my \ldots to have no spacing in between, ideally exactly the same amount as in text. In math mode I would like to write things like \(1, 2, \ldots, n\) and have the spacing be adaptive:

• if the next character is a comma, I'd like something like \kern .08333em afterwards (i.e., half of a \thinspace);
• if the next character is a closing parenthesis (")", "]", "}", ...), there should be no or only tiny additional spacing (i.e., less than \kern .08333em);
• and whatever other adaptations of space around \ldots or \dots are normally produced by (La)TeX.

What is the best way of redefining \ldots for these purposes?

Due to the typographic traditions I'm used to, I prefer my \ldots to have no spacing in between, ideally exactly the same amount as in text. In math mode I would like to write things like \(1, 2, \ldots, n\) and have the spacing be adaptive:

• if the next character is a comma, I'd like something very thin like \kern .08333em (i.e., half of a \thinspace) afterwards;
• if there is an opening parenthesis ("(", "[", "{", ...) before or a closing parenthesis (")", "]", "}", ...) after the dots, there should be no or only tiny additional spacing (i.e., less than \kern .08333em);
• and whatever other adaptations of space around \ldots or \dots are normally produced by (La)TeX;
• feel free to add other ideas.

What is the best way of redefining \ldots for these purposes?