updates

home-manager/modules/neovim/snippets/tex/fonts.lua

@@ -0,0 +1,106 @@
+local helpers = require("personal.luasnip-helper-funcs")
+local get_visual = helpers.get_visual
+
+-- A logical OR of `line_begin` and the regTrig '[^%a]trig'
+function line_begin_or_non_letter(line_to_cursor, matched_trigger)
+	local line_begin = line_to_cursor:sub(1, -(#matched_trigger + 1)):match("^%s*$")
+	local non_letter = line_to_cursor:sub(-(#matched_trigger + 1), -(#matched_trigger + 1)):match("[^%a]")
+	return line_begin or non_letter
+end
+
+-- Math context detection
+local tex = {}
+tex.in_mathzone = function()
+	return vim.fn["vimtex#syntax#in_mathzone"]() == 1
+end
+tex.in_text = function()
+	return not tex.in_mathzone()
+end
+
+local line_begin = function(line_to_cursor, matched_trigger)
+	-- +1 because `string.sub("abcd", 1, -2)` -> abc
+	return line_to_cursor:sub(1, -(#matched_trigger + 1)):match("^%s*$")
+end
+
+-- Return snippet tables
+return {
+	-- TYPEWRITER i.e. \texttt
+	s(
+		{ trig = "([^%a])tt", regTrig = true, wordTrig = false, snippetType = "autosnippet", priority = 2000 },
+		fmta("<>\\texttt{<>}", {
+			f(function(_, snip)
+				return snip.captures[1]
+			end),
+			d(1, get_visual),
+		}),
+		{ condition = tex.in_text }
+	),
+	-- ITALIC i.e. \textit
+	s(
+		{ trig = "([^%a])tii", regTrig = true, wordTrig = false, snippetType = "autosnippet" },
+		fmta("<>\\textit{<>}", {
+			f(function(_, snip)
+				return snip.captures[1]
+			end),
+			d(1, get_visual),
+		})
+	),
+	-- BOLD i.e. \textbf
+	s(
+		{ trig = "tbb", snippetType = "autosnippet" },
+		fmta("\\textbf{<>}", {
+			d(1, get_visual),
+		})
+	),
+	-- MATH ROMAN i.e. \mathrm
+	s(
+		{ trig = "([^%a])rmm", regTrig = true, wordTrig = false, snippetType = "autosnippet" },
+		fmta("<>\\mathrm{<>}", {
+			f(function(_, snip)
+				return snip.captures[1]
+			end),
+			d(1, get_visual),
+		})
+	),
+	-- MATH CALIGRAPHY i.e. \mathcal
+	s(
+		{ trig = "([^%a])mcc", regTrig = true, wordTrig = false, snippetType = "autosnippet" },
+		fmta("<>\\mathcal{<>}", {
+			f(function(_, snip)
+				return snip.captures[1]
+			end),
+			d(1, get_visual),
+		})
+	),
+	-- MATH BOLDFACE i.e. \mathbf
+	s(
+		{ trig = "([^%a])mbf", regTrig = true, wordTrig = false, snippetType = "autosnippet" },
+		fmta("<>\\mathbf{<>}", {
+			f(function(_, snip)
+				return snip.captures[1]
+			end),
+			d(1, get_visual),
+		})
+	),
+	-- MATH BLACKBOARD i.e. \mathbb
+	s(
+		{ trig = "([^%a])mbb", regTrig = true, wordTrig = false, snippetType = "autosnippet" },
+		fmta("<>\\mathbb{<>}", {
+			f(function(_, snip)
+				return snip.captures[1]
+			end),
+			d(1, get_visual),
+		})
+	),
+	-- REGULAR TEXT i.e. \text (in math environments)
+	s(
+		{ trig = "([^%a])tee", regTrig = true, wordTrig = false, snippetType = "autosnippet" },
+		fmta("<>\\text{<>}", {
+			f(function(_, snip)
+				return snip.captures[1]
+			end),
+			d(1, get_visual),
+		}),
+		{ condition = tex.in_mathzone }
+	),
+}