refactor: Better messages

lua/outline/config.lua

@@ -1,4 +1,4 @@
-local vim = vim
+local utils = require('outline.utils')
 
 local M = {}
 
@@ -198,7 +198,7 @@ end
 ---Check for inconsistent or mutually exclusive opts. Does not alter the opts
 function M.check_config()
   if M.o.outline_window.hide_cursor and not M.o.outline_window.show_cursorline then
-    vim.notify("[outline.config]: hide_cursor enabled WITHOUT cursorline enabled!", vim.log.levels.ERROR)
+    utils.echo("config", "hide_cursor enabled without cursorline enabled!")
   end
 end
 

lua/outline/init.lua

@@ -497,9 +497,8 @@ end
 
 function M._map_follow_cursor()
   if not M.follow_cursor({ focus_outline = true }) then
-    vim.notify(
-      "Code window no longer active. Try closing and reopening the outline.",
-      vim.log.levels.ERROR
+    utils.echo(
+      "Code window no longer active. Try closing and reopening the outline."
     )
   end
 end
@@ -554,7 +553,7 @@ function M.open_outline(opts)
   if not M.view:is_open() then
     local found = providers.request_symbols(handler, opts)
     if not found then
-      vim.notify("[outline]: No providers found for current buffer", vim.log.levels.WARN)
+      utils.echo("No providers found for current buffer")
     end
   end
 end

lua/outline/utils/init.lua

@@ -55,7 +55,7 @@ end
 ---@param old_node table Old node
 ---@param index? number Index of old_item in parent
 ---@param parent? table Parent of old_item
-M.merge_items_rec = function(new_node, old_node, index, parent)
+function M.merge_items_rec(new_node, old_node, index, parent)
   local failed = false
 
   if not new_node or not old_node then
@@ -110,7 +110,7 @@ M.merge_items_rec = function(new_node, old_node, index, parent)
   end
 end
 
-M.flash_highlight = function(winnr, lnum, durationMs, hl_group)
+function M.flash_highlight(winnr, lnum, durationMs, hl_group)
   hl_group = hl_group or "Visual"
   if durationMs == true or durationMs == 1 then
     durationMs = 300
@@ -123,4 +123,20 @@ M.flash_highlight = function(winnr, lnum, durationMs, hl_group)
   vim.defer_fn(remove_highlight, durationMs)
 end
 
+---@param module string   Used as message if second param omitted
+---@param message string?
+function M.echo(module, message)
+  if not message then
+    message = module
+    module = ""
+  end
+  local prefix = "outline"
+  if module ~= "" then
+    prefix = prefix.."."..module
+  end
+  local prefix_chunk = { '('..prefix..') ', "WarningMsg" }
+  -- For now we don't echo much, so add all to history
+  vim.api.nvim_echo({ prefix_chunk, { message } }, true, {})
+end
+
 return M