nixeovim/modules/buffer.nix

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{ config, lib, ... }:
let
options = import ./vim/options.nix { inherit lib; };
bufferOpts = { name, config, ... }: {
options = with lib; {
filetypes = mkOption {
type = types.extCommas;
description = "File types for which the buffer is enabled";
};
opt = options.buffer // options.window;
};
config = {
filetypes = lib.mkDefault name;
};
};
mkFiletypeBuffer = name: cfg:
lib.nameValuePair
"buffer-${name}"
{
event = "FileType";
pattern = cfg.filetypes;
callback = with lib; with nix2lua; lambda ["ev"] (lib.flatten [
(flip mapAttrsToList cfg.opt (k: v: if v == null then null else set "vim.opt.${k}" v))
]);
};
in
{
options.buffer = lib.mkOption {
type = with lib.types; attrsOf (submodule bufferOpts);
default = { };
};
config = {
vim.augroup = lib.mkIf (config.buffer != {}) (lib.listToAttrs (lib.mapAttrsToList mkFiletypeBuffer config.buffer));
};
}