neovim-flake/modules/plugins/filetree/nvimtree/config.nix

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{
config,
lib,
pkgs,
...
}: let
inherit (lib.strings) optionalString;
inherit (lib.modules) mkIf mkMerge;
inherit (lib.nvim.binds) mkBinding;
inherit (lib.nvim.dag) entryAnywhere;
inherit (lib.nvim.lua) toLuaObject;
inherit (lib.nvim.binds) pushDownDefault;
cfg = config.vim.filetree.nvimTree;
self = import ./nvimtree.nix {inherit pkgs lib;};
inherit (self.options.vim.filetree.nvimTree) mappings;
in {
config = mkIf cfg.enable {
vim.maps.normal = mkMerge [
(mkBinding cfg.mappings.toggle ":NvimTreeToggle<cr>" mappings.toggle.description)
(mkBinding cfg.mappings.refresh ":NvimTreeRefresh<cr>" mappings.refresh.description)
(mkBinding cfg.mappings.findFile ":NvimTreeFindFile<cr>" mappings.findFile.description)
(mkBinding cfg.mappings.focus ":NvimTreeFocus<cr>" mappings.focus.description)
];
vim.binds.whichKey.register = pushDownDefault {
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"<leader>t" = "+NvimTree";
};
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vim.lazy = {
plugins = {
nvim-tree-lua = {
package = "nvim-tree-lua";
setupModule = "nvim-tree";
inherit (cfg) setupOpts;
cmd = ["NvimTreeClipboard" "NvimTreeClose" "NvimTreeCollapse" "NvimTreeCollapseKeepBuffers" "NvimTreeFindFile" "NvimTreeFindFileToggle" "NvimTreeFocus" "NvimTreeHiTest" "NvimTreeOpen" "NvimTreeRefresh" "NvimTreeResize" "NvimTreeToggle"];
};
};
};
vim.pluginRC.nvimtreelua = entryAnywhere ''
${
optionalString cfg.setupOpts.disable_netrw ''
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-- disable netrew completely
vim.g.loaded_netrw = 1
vim.g.loaded_netrwPlugin = 1
''
}
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${
optionalString cfg.openOnSetup ''
-- autostart behaviour
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-- Open on startup has been deprecated
-- see https://github.com/nvim-tree/nvim-tree.lua/wiki/Open-At-Startup
-- use a nix eval to dynamically insert the open on startup function
local function open_nvim_tree(data)
local IGNORED_FT = {
"markdown",
}
-- buffer is a real file on the disk
local real_file = vim.fn.filereadable(data.file) == 1
-- buffer is a [No Name]
local no_name = data.file == "" and vim.bo[data.buf].buftype == ""
-- &ft
local filetype = vim.bo[data.buf].ft
-- only files please
if not real_file and not no_name then
return
end
-- skip ignored filetypes
if vim.tbl_contains(IGNORED_FT, filetype) then
return
end
-- open the tree but don't focus it
require("nvim-tree.api").tree.toggle({ focus = false })
end
-- function to automatically open the tree on VimEnter
vim.api.nvim_create_autocmd({ "VimEnter" }, { callback = open_nvim_tree })
''
}
'';
};
}