init

nvim/lua/plugins/extras/editor/fold.lua

@@ -0,0 +1,77 @@
+return {
+  {
+    "kevinhwang91/nvim-ufo",
+    event = { "LazyFile" },
+    dependencies = { "kevinhwang91/promise-async" },
+    init = function()
+      vim.o.foldcolumn = "1"
+      vim.o.foldlevel = 99
+      vim.o.foldlevelstart = 99
+      vim.o.foldenable = true
+      vim.o.fillchars = [[eob: ,fold: ,foldopen:,foldsep: ,foldclose:]]
+    end,
+    opts = function()
+      local handler = function(virtText, lnum, endLnum, width, truncate)
+        local newVirtText = {}
+        local suffix = (" ... 󰁂 %d "):format(endLnum - lnum)
+        local sufWidth = vim.fn.strdisplaywidth(suffix)
+        local targetWidth = width - sufWidth
+        local curWidth = 0
+        for _, chunk in ipairs(virtText) do
+          local chunkText = chunk[1]
+          local chunkWidth = vim.fn.strdisplaywidth(chunkText)
+          if targetWidth > curWidth + chunkWidth then
+            table.insert(newVirtText, chunk)
+          else
+            chunkText = truncate(chunkText, targetWidth - curWidth)
+            local hlGroup = chunk[2]
+            table.insert(newVirtText, { chunkText, hlGroup })
+            chunkWidth = vim.fn.strdisplaywidth(chunkText)
+            if curWidth + chunkWidth < targetWidth then
+              suffix = suffix .. (" "):rep(targetWidth - curWidth - chunkWidth)
+            end
+            break
+          end
+          curWidth = curWidth + chunkWidth
+        end
+        table.insert(newVirtText, { suffix, "MoreMsg" })
+        return newVirtText
+      end
+
+      return {
+        fold_virt_text_handler = handler,
+        provider_selector = function()
+          return { "treesitter", "indent" }
+        end,
+        open_fold_hl_timeout = 400,
+        close_fold_kinds_for_ft = { "imports", "comment" },
+        preview = {
+          win_config = { border = { "", "─", "", "", "", "─", "", "" }, winblend = 0 },
+          mappings = {
+            scrollU = "<C-b>",
+            scrollD = "<C-f>",
+            jumpTop = "[",
+            jumpBot = "]",
+          },
+        },
+      }
+    end,
+    keys = {
+      {
+        "zp",
+        function()
+          local winid = require("ufo").peekFoldedLinesUnderCursor()
+          if not winid then
+            vim.lsp.buf.hover()
+          end
+        end,
+        desc = "Peek Folded Line",
+      },
+    },
+  },
+  {
+    "chrisgrieser/nvim-origami",
+    event = { "LazyFile" },
+    opts = {},
+  },
+}