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plugins: better compatability with nullable keybinds

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Mostly involves filtering keybinds that are null in cases where the
keybind is the attrname, and optionalString for manual lua keybind
registration.
This commit is contained in:
alfarel 2026-03-14 22:18:05 -04:00
commit f040b4a943
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8 changed files with 185 additions and 155 deletions
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84
modules/plugins/completion/nvim-cmp/config.nix
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@ -3,6 +3,7 @@
config,
...
}: let
inherit (lib.attrsets) filterAttrs mapAttrs';
inherit (lib.modules) mkIf;
inherit (lib.strings) optionalString;
inherit (lib.generators) mkLuaInline;
@ -72,48 +73,53 @@ in {
formatting.format = cfg.format;
# `cmp` and `luasnip` are defined above, in the `nvim-cmp` section
mapping = {
${mappings.complete} = mkLuaInline "cmp.mapping.complete()";
${mappings.close} = mkLuaInline "cmp.mapping.abort()";
${mappings.scrollDocsUp} = mkLuaInline "cmp.mapping.scroll_docs(-4)";
${mappings.scrollDocsDown} = mkLuaInline "cmp.mapping.scroll_docs(4)";
${mappings.confirm} = mkLuaInline "cmp.mapping.confirm({ select = true })";
mapping =
mapAttrs' (mapping-name: action: {
name = mappings.${mapping-name};
value = action;
}) (filterAttrs (mapping-name: _action: mappings.${mapping-name} != null)
{
complete = mkLuaInline "cmp.mapping.complete()";
close = mkLuaInline "cmp.mapping.abort()";
scrollDocsUp = mkLuaInline "cmp.mapping.scroll_docs(-4)";
scrollDocsDown = mkLuaInline "cmp.mapping.scroll_docs(4)";
confirm = mkLuaInline "cmp.mapping.confirm({ select = true })";
${mappings.next} = 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
next = 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)
'';
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} = 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)
'';
};
previous = 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)
'';
});
};
};
};