[nvim] feat: custom (colored) nodes for snippets

.config/nvim/after/ftplugin/c.lua

@@ -20,8 +20,7 @@ local f = ls.function_node
 
 local copy = utils.copy
 
-ls.snippets = {
+ls.add_snippets( "c", {
-    c = {
     s("main", {
         t({ "int main(int argc, char* argv[])" }),
         t({ "", "{", "\t" }),
@@ -47,5 +46,6 @@ ls.snippets = {
             t({ "", "\treturn 0;"}),
             t({ "", "}"}),
     }),
-	},
+}, {
-}
+        key = "c"
+    })

.config/nvim/after/ftplugin/tex.lua

@@ -10,13 +10,13 @@ opt.formatoptions   = "trq1jp"
 opt.tabstop         = 4
 
 --  Caps
-utils.map("i", "AA", "À")
+vim.keymap.set("i", "AA", "À")
-utils.map("i", "CC", "Ç")
+vim.keymap.set("i", "CC", "Ç")
-utils.map("i", "EE", "É")
+vim.keymap.set("i", "EE", "É")
 
 -- Unbreakable spaces
-utils.map("i", "<Space>etc", "\\,etc.")
+vim.keymap.set("i", "<Space>etc", "\\,etc.")
-utils.map("i", "<Space>:", "\\,:")
+vim.keymap.set("i", "<Space>:", "\\,:")
 
 -- Snippets
 local ls = require("luasnip")
@@ -44,8 +44,7 @@ local function rec_ls()
 	)
 end
 
-ls.snippets = {
+ls.add_snippets("tex", {
-    tex = {
     -- rec_ls is self-referencing. That makes this snippet 'infinite' eg. have as many
     -- \item as necessary by utilizing a choiceNode.
     s("ls", {
@@ -125,5 +124,6 @@ ls.snippets = {
         i(1),
         t({ "}"}),
     }),
-    },
+}, {
-}
+    key = "tex"
+})

.config/nvim/lua/plugin/cmp.lua

@@ -7,7 +7,7 @@ local cmp = require("cmp")
 local luasnip = require("luasnip")
 local cmp_autopairs = require('nvim-autopairs.completion.cmp')
 
-local check_backspace = function()
+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]:
@@ -62,9 +62,9 @@ cmp.setup {
         ["<Tab>"] = cmp.mapping(function(fallback)
             if cmp.visible() then
                 cmp.select_next_item()
-            elseif luasnip.expand_or_jumpable() then
+            elseif luasnip.expand_or_locally_jumpable() then
                 luasnip.expand_or_jump()
-            elseif check_backspace() then
+            elseif has_words_before() then
                 cmp.complete()
             else
                 fallback()

.config/nvim/lua/plugin/luasnip.lua

@@ -31,7 +31,26 @@ ls.config.set_config({
 	ext_opts = {
 		[types.choiceNode] = {
 			active = {
-				virt_text = { { "choiceNode", "Comment" } },
+				virt_text = { { "●", "LuaSnipChoice" } },
+			},
+			inactive = {
+				virt_text = { { "●", "LuaSnipInactive" } },
+			},
+		},
+		[types.functionNode] = {
+			active = {
+				virt_text = { { "●", "LuaSnipFunction" } },
+			},
+			inactive = {
+				virt_text = { { "●", "LuaSnipInactive" } },
+			},
+		},
+		[types.insertNode] = {
+			active = {
+				virt_text = { { "●", "LuaSnipInsert" } },
+			},
+			inactive = {
+				virt_text = { { "●", "LuaSnipInactive" } },
 			},
 		},
 	},
@@ -59,15 +78,13 @@ local function date_input(fmt)
 	return sn(nil, i(1, os.date(fmt)))
 end
 
-ls.snippets = {
+-- snippets are added via ls.add_snippets(filetype, snippets[, opts]), where
-	-- When trying to expand a snippet, luasnip first searches the tables for
+-- opts may specify the `type` of the snippets ("snippets" or "autosnippets",
-	-- each filetype specified in 'filetype' followed by 'all'.
+-- for snippets that should expand directly after the trigger is typed).
-	-- If ie. the filetype is 'lua.c'
+--
-	--     - luasnip.lua
+-- opts can also specify a key. By passing an unique key to each add_snippets, it's possible to reload snippets by
-	--     - luasnip.c
+-- re-`:luafile`ing the file in which they are defined (eg. this one).
-	--     - luasnip.all
+ls.add_snippets( "all", {
-	-- are searched in that order.
-	all = {
 		-- trigger is fn.
     s("fn", {
         -- Simple static text.
@@ -321,8 +338,9 @@ ls.snippets = {
         "fmt6",
         fmt("use {} only", { t("this"), t("not this") }, { strict = false })
     ),
-	},
+}, {
-}
+        key = "all",
+    })
 
 -- autotriggered snippets have to be defined in a separate table, luasnip.autosnippets.
 ls.autosnippets = {

.local/src/astronomy.nvim

@@ -1 +1 @@
-Subproject commit d77e1cfe127418ab00c6d5fb076f89cdf9b49e94
+Subproject commit 9b46e0fa3d2bfca3b376961d822eb5d965da48ed