Clarify which .editorconfig options are supported

Documentation says:

The dotnet-format global tool supports the core set of EditorConfig options* as well as the .NET coding convention settings for EditorConfig.

I tried setting csharp_new_line_before_members_in_object_initializers = true and it did nothing. Documentation is here.

I tried to look into source code but found only whitespace, newline, usings, etc formatters. So does this tool support codestyle rules defined by microsoft? Or does it rely on analyzers installed from SDK/NuGet? (maybe i misunderstand some concepts here…)

Project targets aspnetcore 2.2 SDKs i have installed: 2.2, 3.1, 5.0

[JoeRobich]

@sharwell Since you have a better understanding of the formatting options here, Is there an existing combination of options that achieves the desired formatting?

[Rast1234]

I am sorry to ask more questions, i just have no idea where to find people who actually understand behavior of these rules (please point me if there’s any sort of community)… I swear i have read all docs but can’t figure out how to tune rule combinations properly.

Is it possible to achieve this formatting?

• auto-properties { get; set;} are on a single line
• object initializers are forced to be on multiple lines

using System;

namespace Formatting
{

    class Something
    {
        public int Good { get; set; }
        public int Bad1
        {
            get;
            set;
        }
        public int Bad2
        {
            get; set;
        }
        public static void Test()
        {
            var good_formatting = new Something
            {
                Good = 1,
                Bad1 = 2
            };
            var bad_formatting1 = new Something { Good = 1, Bad1 = 2 };
            var bad_formatting2 = new Something
            {
                Good = 1, Bad1 = 2
            };
    }
}

Options i tried:

• csharp_new_line_before_open_brace seems irrelevant because it only affects { placement, not split-block-into-newlines behavior.
• csharp_preserve_single_line_blocks = true only ignores blocks if they are on a single line, so there is no way to format var bad_formatting1?
• csharp_new_line_before_members_in_object_initializers works as you said, fixing var bad_formatting2.

editorconfig combinations:

# fixes bad_formatting2 (expected)
csharp_preserve_single_line_blocks = true
csharp_new_line_before_members_in_object_initializers = true

# does nothing (expected)
csharp_preserve_single_line_blocks = true
csharp_new_line_before_members_in_object_initializers = false

# fixes bad_formatting2, but also formats Good property as Bad2 (get-set are together on a newline)
csharp_preserve_single_line_blocks = false
csharp_new_line_before_members_in_object_initializers = true

# only mangles Good property as Bad2
csharp_preserve_single_line_blocks = false
csharp_new_line_before_members_in_object_initializers = false

So, the first question: is there any way to enforce style like Good property and good_formatting initializer from example above?

Second question: formatter seems to be OK with this existing together, am i missing something?

Prop1
{
    get; set;
}

Prop2
{
    get;
    set;
}