reduced package installations and plugin dependencies

nvim/lua/darcula/setup/400_mini_hipatterns.lua

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+-- The MIT License (MIT)
+--
+-- Copyright © 2026 Scott E. Graves <scott.e.graves@protonmail.com>
+--
+-- Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+-- and associated documentation files (the “Software”), to deal in the Software without restriction,
+-- including without limitation the rights to use, copy, modify, merge, publish, distribute,
+-- sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+-- furnished to do so, subject to the following conditions:
+--
+-- The above copyright notice and this permission notice shall be included in all copies or
+-- substantial portions of the Software.
+--
+-- THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+-- BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+-- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+--
+local hipatterns = require("mini.hipatterns")
+
+local color_group = function(_, match)
+  local hex = match
+  if #match == 4 or #match == 5 then
+    local red, green, blue = match:sub(2, 2), match:sub(3, 3), match:sub(4, 4)
+    hex = "#" .. red .. red .. green .. green .. blue .. blue
+  end
+
+  return hipatterns.compute_hex_color_group(hex:sub(1, 7), "bg")
+end
+
+local named_color_group = function(_, match)
+  -- Match colorizer's default of accepting lower- and CamelCase names, but
+  -- not names written entirely in uppercase.
+  if #match > 1 and match == match:upper() then
+    return nil
+  end
+
+  local ok, color = pcall(vim.api.nvim_get_color_by_name, match)
+  if not ok or color < 0 then
+    return nil
+  end
+
+  return hipatterns.compute_hex_color_group(
+    string.format("#%06x", color),
+    "bg"
+  )
+end
+
+hipatterns.setup(
+  {
+    highlighters = {
+      hex_color = hipatterns.gen_highlighter.hex_color(),
+      hex_short = {
+        pattern = {
+          "()#%x%x%x()%f[^%x]",
+          "()#%x%x%x%x()%f[^%x]"
+        },
+        group = color_group
+      },
+      named_color = {
+        pattern = "%f[%w]()[%a][%w]*()%f[^%w]",
+        group = named_color_group
+      }
+    }
+  }
+)