Writing Zig files deletes newlines at the start of a block.

[7ombie]

Summary

Whenever I write a Zig file to disk, Helix deletes all empty lines at the start of any block.

Reproduction Steps

I was playing with this Zig code from their docs:

const std = @import("std");

pub fn main() !void {

    std.debug.print("All your {s} are belong to us.\n", .{"codebase"});

    const stdout_file = std.io.getStdOut().writer();
    var writer = std.io.bufferedWriter(stdout_file);
    const stdout = writer.writer();
    try stdout.print("Run `zig build test` to run the tests.\n", .{});
    try writer.flush(); // don't forget to flush!
}

test "simple test" {

    var list = std.ArrayList(i32).init(std.testing.allocator);
    defer list.deinit();
    try list.append(42);
    try std.testing.expectEqual(@as(i32, 42), list.pop());
}

Whenever I write the file to disk, Helix removes the empty line at the start of the function and at the start of the test block.

This happens with or without the LSP (zls).

If I have more than one empty line (at the start of a block), all of the empty lines will be deleted.

This behavior changes if I start the block with a comment. Then, Helix will only remove empty lines before the comment if there is more than one (empty line), leaving a single empty line before the comment.

Helix log

n/a

Platform

macOS Ventura 13.4

Terminal Emulator

iTerm2 3.4.19

Helix Version

helix 23.05 (7f5940b)

[kirawi]

Disable auto-format. For zig, the LSP isn't used for it, and instead zig fmt is called

[7ombie]

Ahh. Thank you, @kirawi. It's working the way I expected now. Much appreciated.

[7ombie]

I didn't realize Zig was so opinionated about formatting. You're not allowed to start a block with an empty line :/