Formatter creates unnecessary edits

[rcjsuen]

It seems like the formatter is creating edits for whitespace that is legitimate. Consider the following Dockerfiles that is already using four spaces correctly for indentation.

EXPOSE 8000\
    8001

The following program prints out 1 even though I would've expected 0 since no formatting is required.

import { format } from './main';

let edits = format(
    "EXPOSE 8000\\\n    8001", {
        insertSpaces: true,
        tabSize: 4
    }
);
console.log(edits.length);