neovim-flake/modules/plugins/completion/nvim-cmp/config.nix
diniamo 7dbd1cd8d1
treewide: rewrite autocompletion module and related stuff (#404)
* modules/completion: rewrite

* treewide: remove vsnip, add luasnip

* nvim-cmp: add default sorting

* nvim-cmp: load after luasnip

* lib: fix docs for mergelessListOf

* docs: add changelog entires for rewrite

* deprecations: add rewrite deprecations

* nvim-cmp: clarify in format description

* docs: fix option reference in release notes

* treewide: remove reduant `// {default = false;}`s

* luasnip: add missing `{option}` for option reference

* deprecations: add entry for vsnip

* nvim-autopairs: use multiline string

* nvim-dap: use outer attribute
2024-10-09 17:50:34 +00:00

117 lines
3.5 KiB
Nix

{
lib,
config,
...
}: let
inherit (lib.modules) mkIf;
inherit (lib.strings) optionalString;
inherit (lib.generators) mkLuaInline;
inherit (lib.nvim.binds) addDescriptionsToMappings;
inherit (lib.nvim.dag) entryAfter;
inherit (lib.nvim.lua) toLuaObject;
inherit (builtins) attrNames;
cfg = config.vim.autocomplete.nvim-cmp;
luasnipEnable = config.vim.snippets.luasnip.enable;
self = import ./nvim-cmp.nix {inherit lib config;};
mappingDefinitions = self.options.vim.autocomplete.nvim-cmp.mappings;
mappings = addDescriptionsToMappings cfg.mappings mappingDefinitions;
in {
config = mkIf cfg.enable {
vim = {
startPlugins = [
"nvim-cmp"
"cmp-buffer"
"cmp-path"
];
autocomplete.nvim-cmp.sources = {
nvim-cmp = null;
buffer = "[Buffer]";
path = "[Path]";
};
autocomplete.nvim-cmp.setupOpts = {
sources = map (s: {name = s;}) (attrNames cfg.sources);
# TODO: try to get nvim-cmp to follow global border style
window = mkIf config.vim.ui.borders.enable {
completion = mkLuaInline "cmp.config.window.bordered()";
documentation = mkLuaInline "cmp.config.window.bordered()";
};
formatting.format = cfg.format;
};
pluginRC.nvim-cmp = mkIf cfg.enable (entryAfter ["autopairs" "luasnip"] ''
local luasnip = require("luasnip")
local cmp = require("cmp")
cmp.setup(${toLuaObject cfg.setupOpts})
'');
# `cmp` and `luasnip` are defined above, in the `nvim-cmp` section
autocomplete.nvim-cmp.setupOpts.mapping = {
${mappings.complete.value} = mkLuaInline "cmp.mapping.complete()";
${mappings.close.value} = mkLuaInline "cmp.mapping.abort()";
${mappings.scrollDocsUp.value} = mkLuaInline "cmp.mapping.scroll_docs(-4)";
${mappings.scrollDocsDown.value} = mkLuaInline "cmp.mapping.scroll_docs(4)";
${mappings.confirm.value} = mkLuaInline ''
cmp.mapping(function(fallback)
if cmp.visible() then
${
if luasnipEnable
then ''
if luasnip.expandable() then
luasnip.expand()
else
cmp.confirm({ select = true })
end
''
else "cmp.confirm({ select = true })"
}
else
fallback()
end
end)
'';
${mappings.next.value} = mkLuaInline ''
cmp.mapping(function(fallback)
local has_words_before = function()
local line, col = unpack(vim.api.nvim_win_get_cursor(0))
return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
end
if cmp.visible() then
cmp.select_next_item()
${optionalString luasnipEnable ''
elseif luasnip.locally_jumpable(1) then
luasnip.jump(1)
''}
elseif has_words_before() then
cmp.complete()
else
fallback()
end
end)
'';
${mappings.previous.value} = mkLuaInline ''
cmp.mapping(function(fallback)
if cmp.visible() then
cmp.select_prev_item()
${optionalString luasnipEnable ''
elseif luasnip.locally_jumpable(-1) then
luasnip.jump(-1)
''}
else
fallback()
end
end)
'';
};
};
};
}