The editorconfig spec does not contain quote_type, but some editors & formatters implement support for it, like VSCode and IntelliJ.

It is listed as a domain-specific property: https://github.com/editorconfig/editorconfig/wiki/EditorConfig-Properties#ideas-for-domain-specific-properties

Prettier also supports this property within .editorconfig as an "undocumented feature" -> prettier/prettier#12780

Implemented here: https://github.com/prettier/prettier/blob/af5a7c074d54fd91015f6cdc05d1bb0f5dcfaa18/src/config/editorconfig/editorconfig-to-prettier.js#L38-L43

I think this can be easily converted to the oxfmt singleQuote property.

• quote_type = single -> "singleQuote": true
• quote_type = double -> "singleQuote": false
• quote_type = auto -> Ignore

This also causes a formatting difference with Prettier.

.editorconfig

[*.ts]
quote_type = single

Input

import { StatusCodes } from 'http-status-codes';

Output

import { StatusCodes } from "http-status-codes";