nvim: move ufo plugin spec and utils to its own file.

nvim/lua/user/plugins/editor.lua

@@ -33,15 +33,7 @@ return {
         end,
     },
     -- Better folds
-    {
+    { import = "user.plugins.editor.ufo" },
-        'kevinhwang91/nvim-ufo',
-        dependencies = {
-            'kevinhwang91/promise-async',
-        },
-        opts = {
-            fold_virt_text_handler = require("user.utils.ufo").foldtext
-        }
-    },
     -- Better status column
     {
         "luukvbaal/statuscol.nvim",

nvim/lua/user/plugins/editor/ufo.lua

@@ -0,0 +1,35 @@
+return {
+    'kevinhwang91/nvim-ufo',
+    dependencies = {
+        'kevinhwang91/promise-async',
+    },
+    opts = {
+        fold_virt_text_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)
+                    -- str width returned from truncate() may less than 2nd argument, need padding
+                    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
+    }
+}

nvim/lua/user/utils/ufo.lua

@@ -1,31 +0,0 @@
-local M={}
-
-M.foldtext = 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)
-            -- str width returned from truncate() may less than 2nd argument, need padding
-            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 M