doc: fix deprecation warnings from nvim 0.11

Author: stevearc

lua/aerial/backends/treesitter/init.lua

@@ -91,14 +91,18 @@ M.fetch_symbols_sync = function(bufnr)
     end
     local kind = match.kind
     if not kind then
-      vim.api.nvim_err_writeln(
-        string.format("Missing 'kind' metadata in query file for language %s", lang)
+      vim.api.nvim_echo(
+        { { string.format("Missing 'kind' metadata in query file for language %s", lang) } },
+        true,
+        { err = true }
       )
       break
     elseif not vim.lsp.protocol.SymbolKind[kind] then
-      vim.api.nvim_err_writeln(
-        string.format("Invalid 'kind' metadata '%s' in query file for language %s", kind, lang)
-      )
+      vim.api.nvim_echo({
+        {
+          string.format("Invalid 'kind' metadata '%s' in query file for language %s", kind, lang),
+        },
+      }, true, { err = true })
       break
     end
     local range = helpers.range_from_nodes(start_node, end_node)

lua/aerial/highlight.lua

@@ -62,7 +62,7 @@ M.get_highlight = function(symbol, is_icon, is_collapsed)
 end
 
 ---@param name string
----@return vim.api.keyset.hl_info
+---@return vim.api.keyset.get_hl_info
 local function get_hl_by_name(name)
   return vim.api.nvim_get_hl(0, { name = name, link = false })
 end

lua/aerial/nav_view.lua

@@ -199,14 +199,14 @@ local function render_symbols(panel)
     table.insert(lines, text)
     local text_cols = vim.api.nvim_strwidth(text)
     table.insert(highlights, { "Aerial" .. item.kind .. "Icon", i - 1, 0, kind:len() })
-    table.insert(highlights, { "Aerial" .. item.kind, i - 1, kind:len(), -1 })
+    table.insert(highlights, { "Aerial" .. item.kind, i - 1, kind:len(), text:len() })
     max_len = math.max(max_len, text_cols)
   end
 
   -- If there are no symbols in this section, add some indicator of that
   if #lines == 0 then
     table.insert(lines, "<none>")
-    table.insert(highlights, { "Comment", 0, 0, -1 })
+    table.insert(highlights, { "Comment", 0, 0, 6 })
   end
 
   vim.bo[bufnr].modifiable = true
@@ -217,7 +217,11 @@ local function render_symbols(panel)
   local ns = vim.api.nvim_create_namespace("aerial")
   vim.api.nvim_buf_clear_namespace(bufnr, ns, 0, -1)
   for _, hl in ipairs(highlights) do
-    vim.api.nvim_buf_add_highlight(bufnr, ns, unpack(hl))
+    local hl_group, line, col, end_col = unpack(hl)
+    vim.api.nvim_buf_set_extmark(bufnr, ns, line, col, {
+      end_col = end_col,
+      hl_group = hl_group,
+    })
   end
   panel.width = max_len
   panel.height = #lines

lua/aerial/render.lua

@@ -166,7 +166,7 @@ M.update_aerial_buffer = function(buf)
         group = name_hl,
         row = row,
         col_start = string_len[spacing] + string_len[kind],
-        col_end = -1,
+        col_end = text:len(),
       })
     end
     max_len = math.max(max_len, text_cols)
@@ -184,7 +184,10 @@ M.update_aerial_buffer = function(buf)
   local ns = vim.api.nvim_create_namespace("aerial")
   vim.api.nvim_buf_clear_namespace(aer_bufnr, ns, 0, -1)
   for _, hl in ipairs(highlights) do
-    vim.api.nvim_buf_add_highlight(aer_bufnr, ns, hl.group, hl.row - 1, hl.col_start, hl.col_end)
+    vim.api.nvim_buf_set_extmark(aer_bufnr, ns, hl.row - 1, hl.col_start, {
+      end_col = hl.col_end,
+      hl_group = hl.group,
+    })
   end
   M.update_highlights(bufnr)
   vim.b[aer_bufnr].rendered = true

lua/aerial/util.lua

@@ -180,9 +180,14 @@ M.flash_highlight = function(bufnr, lnum, durationMs, hl_group)
   if durationMs == true or durationMs == 1 then
     durationMs = 300
   end
-  local ns = vim.api.nvim_buf_add_highlight(bufnr, 0, hl_group, lnum - 1, 0, -1)
+  local ns = vim.api.nvim_create_namespace("AerialFlashHighlight")
+  local line = vim.api.nvim_buf_get_lines(bufnr, lnum - 1, lnum, true)[1]
+  local ext_id = vim.api.nvim_buf_set_extmark(bufnr, ns, lnum - 1, 0, {
+    end_col = #line,
+    hl_group = hl_group,
+  })
   local remove_highlight = function()
-    pcall(vim.api.nvim_buf_clear_namespace, bufnr, ns, 0, -1)
+    vim.api.nvim_buf_del_extmark(bufnr, ns, ext_id)
   end
   vim.defer_fn(remove_highlight, durationMs)
 end