src: unflag --experimental-default-config-file

doc/api/cli.md

@@ -980,20 +980,6 @@ unknown keys or keys that cannot be used in a namespace.
 Node.js will not sanitize or perform validation on the user-provided configuration,
 so **NEVER** use untrusted configuration files.
 
-### `--experimental-default-config-file`
-
-<!-- YAML
-added:
- - v23.10.0
- - v22.16.0
--->
-
-> Stability: 1.0 - Early development
-
-If the `--experimental-default-config-file` flag is present, Node.js will look for a
-`node.config.json` file in the current working directory and load it as a
-as configuration file.
-
 ### `--experimental-eventsource`
 
 <!-- YAML
@@ -1720,6 +1706,24 @@ added: v0.8.0
 
 Silence deprecation warnings.
 
+### `--no-experimental-default-config-file`
+
+<!-- YAML
+added:
+ - v23.10.0
+ - v22.16.0
+changes:
+  - version: REPLACEME
+    pr-url: https://github.com/nodejs/node/pull/58703
+    description: This flag is now enabled by default.
+-->
+
+> Stability: 1.0 - Early development
+
+Unless `--no-experimental-default-config-file` flag is present, Node.js will look for a
+`node.config.json` file in the current working directory and load it as a
+as configuration file.
+
 ### `--no-experimental-detect-module`
 
 <!-- YAML

doc/node.1

@@ -169,9 +169,6 @@ Enable experimental addon module support.
 .It Fl -experimental-config-file
 Specifies the configuration file to load.
 .
-.It Fl -experimental-default-config-file
-Enable support for automatically loading node.config.json.
-.
 .It Fl -experimental-import-meta-resolve
 Enable experimental ES modules support for import.meta.resolve().
 .
@@ -198,6 +195,9 @@ Enable transformation of TypeScript-only syntax into JavaScript code.
 .It Fl -experimental-eventsource
 Enable experimental support for the EventSource Web API.
 .
+.It Fl -no-experimental-default-config-file
+Disables support for automatically loading node.config.json.
+.
 .It Fl -no-experimental-websocket
 Disable experimental support for the WebSocket API.
 .

lib/internal/process/pre_execution.js

@@ -338,8 +338,7 @@ function setupSQLite() {
 }
 
 function initializeConfigFileSupport() {
-  if (getOptionValue('--experimental-default-config-file') ||
-      getOptionValue('--experimental-config-file')) {
+  if (getOptionValue('--experimental-config-file')) {
     emitExperimentalWarning('--experimental-config-file');
   }
 }

lib/internal/test_runner/runner.js

@@ -102,7 +102,6 @@ const kFilterArgs = [
   '--test',
   '--experimental-test-coverage',
   '--watch',
-  '--experimental-default-config-file',
   '--experimental-config-file',
 ];
 const kFilterArgValues = ['--test-reporter', '--test-reporter-destination'];

src/node_options.cc

@@ -753,7 +753,9 @@ EnvironmentOptionsParser::EnvironmentOptionsParser() {
             &EnvironmentOptions::experimental_config_file_path);
   AddOption("--experimental-default-config-file",
             "set config file from default config file",
-            &EnvironmentOptions::experimental_default_config_file);
+            &EnvironmentOptions::experimental_default_config_file,
+            kDisallowedInEnvvar,
+            true);
   AddOption("--test",
             "launch test runner on startup",
             &EnvironmentOptions::test_runner,

src/node_options.h

@@ -261,7 +261,7 @@ class EnvironmentOptions : public Options {
   bool report_exclude_env = false;
   bool report_exclude_network = false;
   std::string experimental_config_file_path;
-  bool experimental_default_config_file = false;
+  bool experimental_default_config_file = true;
 
   inline DebugOptions* get_debug_options() { return &debug_options_; }
   inline const DebugOptions& debug_options() const { return debug_options_; }