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neovim-flake/modules/core/default.nix

225 lines
6 KiB
Nix

{
config,
lib,
pkgs,
...
}:
with lib;
with builtins; let
cfg = config.vim;
wrapLuaConfig = luaConfig: ''
lua << EOF
${luaConfig}
EOF
'';
mkMappingOption = it:
mkOption ({
default = {};
type = with types; attrsOf (nullOr str);
}
// it);
in {
options.vim = {
viAlias = mkOption {
description = "Enable vi alias";
type = types.bool;
default = true;
};
vimAlias = mkOption {
description = "Enable vim alias";
type = types.bool;
default = true;
};
configRC = mkOption {
description = "vimrc contents";
type = nvim.types.dagOf types.lines;
default = {};
};
luaConfigRC = mkOption {
description = "vim lua config";
type = nvim.types.dagOf types.lines;
default = {};
};
builtConfigRC = mkOption {
internal = true;
type = types.lines;
description = "The built config for neovim after resolving the DAG";
};
startPlugins = nvim.types.pluginsOpt {
default = [];
description = "List of plugins to startup.";
};
optPlugins = nvim.types.pluginsOpt {
default = [];
description = "List of plugins to optionally load";
};
globals = mkOption {
default = {};
description = "Set containing global variable values";
type = types.attrs;
};
nnoremap =
mkMappingOption {description = "Defines 'Normal mode' mappings";};
inoremap = mkMappingOption {
description = "Defines 'Insert and Replace mode' mappings";
};
vnoremap = mkMappingOption {
description = "Defines 'Visual and Select mode' mappings";
};
xnoremap =
mkMappingOption {description = "Defines 'Visual mode' mappings";};
snoremap =
mkMappingOption {description = "Defines 'Select mode' mappings";};
cnoremap =
mkMappingOption {description = "Defines 'Command-line mode' mappings";};
onoremap = mkMappingOption {
description = "Defines 'Operator pending mode' mappings";
};
tnoremap =
mkMappingOption {description = "Defines 'Terminal mode' mappings";};
nmap = mkMappingOption {description = "Defines 'Normal mode' mappings";};
imap = mkMappingOption {
description = "Defines 'Insert and Replace mode' mappings";
};
vmap = mkMappingOption {
description = "Defines 'Visual and Select mode' mappings";
};
xmap = mkMappingOption {description = "Defines 'Visual mode' mappings";};
smap = mkMappingOption {description = "Defines 'Select mode' mappings";};
cmap =
mkMappingOption {description = "Defines 'Command-line mode' mappings";};
omap = mkMappingOption {
description = "Defines 'Operator pending mode' mappings";
};
tmap =
mkMappingOption {description = "Defines 'Terminal mode' mappings";};
};
config = let
mkVimBool = val:
if val
then "1"
else "0";
valToVim = val:
if (isInt val)
then (builtins.toString val)
else
(
if (isBool val)
then (mkVimBool val)
else (toJSON val)
);
filterNonNull = mappings: filterAttrs (name: value: value != null) mappings;
globalsScript =
mapAttrsFlatten (name: value: "let g:${name}=${valToVim value}")
(filterNonNull cfg.globals);
matchCtrl = it: match "Ctrl-(.)(.*)" it;
mapKeyBinding = it: let
groups = matchCtrl it;
in
if groups == null
then it
else "<C-${toUpper (head groups)}>${head (tail groups)}";
mapVimBinding = prefix: mappings:
mapAttrsFlatten (name: value: "${prefix} ${mapKeyBinding name} ${value}")
(filterNonNull mappings);
nmap = mapVimBinding "nmap" config.vim.nmap;
imap = mapVimBinding "imap" config.vim.imap;
vmap = mapVimBinding "vmap" config.vim.vmap;
xmap = mapVimBinding "xmap" config.vim.xmap;
smap = mapVimBinding "smap" config.vim.smap;
cmap = mapVimBinding "cmap" config.vim.cmap;
omap = mapVimBinding "omap" config.vim.omap;
tmap = mapVimBinding "tmap" config.vim.tmap;
nnoremap = mapVimBinding "nnoremap" config.vim.nnoremap;
inoremap = mapVimBinding "inoremap" config.vim.inoremap;
vnoremap = mapVimBinding "vnoremap" config.vim.vnoremap;
xnoremap = mapVimBinding "xnoremap" config.vim.xnoremap;
snoremap = mapVimBinding "snoremap" config.vim.snoremap;
cnoremap = mapVimBinding "cnoremap" config.vim.cnoremap;
onoremap = mapVimBinding "onoremap" config.vim.onoremap;
tnoremap = mapVimBinding "tnoremap" config.vim.tnoremap;
resolveDag = {
name,
dag,
mapResult,
}: let
sortedDag = nvim.dag.topoSort dag;
result =
if sortedDag ? result
then mapResult sortedDag.result
else abort ("Dependency cycle in ${name}: " + toJSON sortedConfig);
in
result;
in {
vim = {
configRC = {
globalsScript = nvim.dag.entryAnywhere (concatStringsSep "\n" globalsScript);
luaScript = let
mkSection = r: ''
-- SECTION: ${r.name}
${r.data}
'';
mapResult = r: (wrapLuaConfig (concatStringsSep "\n" (map mkSection r)));
luaConfig = resolveDag {
name = "lua config script";
dag = cfg.luaConfigRC;
inherit mapResult;
};
in
nvim.dag.entryAfter ["globalsScript"] luaConfig;
mappings = let
maps = [nmap imap vmap xmap smap cmap omap tmap nnoremap inoremap vnoremap xnoremap snoremap cnoremap onoremap tnoremap];
mapConfig = concatStringsSep "\n" (map (v: concatStringsSep "\n" v) maps);
in
nvim.dag.entryAfter ["globalsScript"] mapConfig;
};
builtConfigRC = let
mkSection = r: ''
" SECTION: ${r.name}
${r.data}
'';
mapResult = r: (concatStringsSep "\n" (map mkSection r));
vimConfig = resolveDag {
name = "vim config script";
dag = cfg.configRC;
inherit mapResult;
};
in
vimConfig;
};
};
}