Updated vimtex and snippets

LuaSnip/tex/fonts.lua

@@ -0,0 +1,105 @@
+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 }
+    ),
+  }