refactor: move indent to config

lua/trouble/config/init.lua

@@ -19,6 +19,20 @@ local defaults = {
   auto_open = false,
   auto_close = false,
   auto_preview = true,
+  ---@type trouble.Render.opts
+  render = {
+    -- stylua: ignore
+    ---@type trouble.Indent.symbols
+    indent = {
+      top         = "│ ",
+      middle      = "├╴",
+      last        = "└╴",
+      -- last     = "╰╴", -- rounded
+      fold_open   = " ",
+      fold_closed = " ",
+      ws          = "  ",
+    },
+  },
   ---@type table<string, trouble.Mode>
   modes = {
     diagnostics_buffer = {

lua/trouble/view/indent.lua

@@ -1,3 +1,4 @@
+local Config = require("trouble.config")
 local Util = require("trouble.util")
 
 ---@alias trouble.Indent.type "top"|"middle"|"last"|"fold_open"|"fold_closed"|"ws"
@@ -11,24 +12,13 @@ local Util = require("trouble.util")
 local M = {}
 M.__index = M
 
----@type trouble.Indent.symbols
--- stylua: ignore
-M.symbols = {
-  top         = "│ ",
-  middle      = "├╴",
-  last        = "└╴",
-  -- last     = "╰╴", -- rounded
-  fold_open   = " ",
-  fold_closed = " ",
-  ws          = "  ",
-}
-
 ---@param symbols? trouble.Indent.symbols
 function M.new(symbols)
   local self = setmetatable({}, M)
+  symbols = vim.tbl_deep_extend("force", Config.render.indent, symbols or {})
   self.symbols = {}
-  for k, v in pairs(M.symbols) do
-    local symbol = symbols and symbols[k] or v
+  for k, v in pairs(symbols) do
+    local symbol = v
     self.symbols[k] = type(symbol) == "string" and { str = symbol } or { str = symbol[1], hl = symbol[2] }
     self.symbols[k].type = k
     self.symbols[k].hl = self.symbols[k].hl or ("TroubleIndent" .. Util.camel(k))

lua/trouble/view/render.lua

@@ -8,10 +8,14 @@ local Text = require("trouble.view.text")
 ---@field root_nodes trouble.Node[]
 ---@field foldlevel? number
 ---@field max_depth number
+---@field opts trouble.Render.opts
 local M = setmetatable({}, Text)
 M.__index = M
 
----@param opts? trouble.Text.opts
+---@class trouble.Render.opts: trouble.Text.opts
+---@field indent? trouble.Indent.symbols
+
+---@param opts? trouble.Render.opts|trouble.Text.opts
 function M.new(opts)
   local text = Text.new(opts)
   ---@type trouble.Render
@@ -93,7 +97,7 @@ function M:section(section, nodes)
   self.max_depth = math.max(self.max_depth, #section.groups)
   for n, node in ipairs(nodes) do
     table.insert(self.root_nodes, node)
-    self:node(node, section, Indent.new(), n == #nodes)
+    self:node(node, section, Indent.new(self.opts.indent), n == #nodes)
   end
 end