fix(#1970): additional log function gating for efficiency when not logging

lua/nvim-tree.lua

@@ -880,8 +880,10 @@ function M.setup(conf)
   require("nvim-tree.notify").setup(opts)
   require("nvim-tree.log").setup(opts)
 
-  log.line("config", "default config + user")
-  log.raw("config", "%s\n", vim.inspect(opts))
+  if log.enabled "config" then
+    log.line("config", "default config + user")
+    log.raw("config", "%s\n", vim.inspect(opts))
+  end
 
   require("nvim-tree.actions").setup(opts)
   require("nvim-tree.keymap").setup(opts)

lua/nvim-tree/actions/init.lua

@@ -437,8 +437,10 @@ function M.setup(opts)
 
   require("nvim-tree.actions.dispatch").setup(M.custom_keypress_funcs)
 
-  log.line("config", "active mappings")
-  log.raw("config", "%s\n", vim.inspect(M.mappings))
+  if log.enabled "config" then
+    log.line("config", "active mappings")
+    log.raw("config", "%s\n", vim.inspect(M.mappings))
+  end
 end
 
 return M

lua/nvim-tree/git/runner.lua

@@ -59,7 +59,7 @@ function Runner:_getopts(stdout_handle, stderr_handle)
 end
 
 function Runner:_log_raw_output(output)
-  if output and type(output) == "string" then
+  if log.enabled "git" and output and type(output) == "string" then
     log.raw("git", "%s", output)
     log.line("git", "done")
   end

lua/nvim-tree/log.lua

@@ -8,7 +8,7 @@ local M = {
 --- @param fmt string for string.format
 --- @vararg any arguments for string.format
 function M.raw(typ, fmt, ...)
-  if not M.path or not M.config.types[typ] and not M.config.types.all then
+  if not M.enabled(typ) then
     return
   end
 
@@ -21,32 +21,48 @@ function M.raw(typ, fmt, ...)
   end
 end
 
---- Write to log file via M.line
+--- Write profile start to log file
 --- START is prefixed
+--- @param fmt string for string.format
+--- @vararg any arguments for string.format
 --- @return number nanos to pass to profile_end
 function M.profile_start(fmt, ...)
-  if not M.path or not M.config.types.profile and not M.config.types.all then
+  if M.enabled "profile" then
+    M.line("profile", "START " .. (fmt or "???"), ...)
+    return vim.loop.hrtime()
+  else
     return 0
   end
-  M.line("profile", "START " .. (fmt or "???"), ...)
-  return vim.loop.hrtime()
 end
 
---- Write to log file via M.line
+--- Write profile end to log file
 --- END is prefixed and duration in seconds is suffixed
 --- @param start number nanos returned from profile_start
+--- @param fmt string for string.format
+--- @vararg any arguments for string.format
 function M.profile_end(start, fmt, ...)
-  if not M.path or not M.config.types.profile and not M.config.types.all then
-    return
+  if M.enabled "profile" then
+    local millis = start and math.modf((vim.loop.hrtime() - start) / 1000000) or -1
+    M.line("profile", "END   " .. (fmt or "???") .. "  " .. millis .. "ms", ...)
   end
-  local millis = start and math.modf((vim.loop.hrtime() - start) / 1000000) or -1
-  M.line("profile", "END   " .. (fmt or "???") .. "  " .. millis .. "ms", ...)
 end
 
--- Write to log file via M.raw
--- time and typ are prefixed and a trailing newline is added
+--- Write to log file
+--- time and typ are prefixed and a trailing newline is added
+--- @param typ string as per log.types config
+--- @param fmt string for string.format
+--- @vararg any arguments for string.format
 function M.line(typ, fmt, ...)
-  M.raw(typ, string.format("[%s] [%s] %s\n", os.date "%Y-%m-%d %H:%M:%S", typ, fmt), ...)
+  if M.enabled(typ) then
+    M.raw(typ, string.format("[%s] [%s] %s\n", os.date "%Y-%m-%d %H:%M:%S", typ, fmt), ...)
+  end
+end
+
+--- Logging is enabled for typ or all
+--- @param typ string as per log.types config
+--- @return boolean
+function M.enabled(typ)
+  return M.path ~= nil and (M.config.types[typ] or M.config.types.all)
 end
 
 function M.setup(opts)