src: unflag --experimental-default-config

Author: marco-ippolito

doc/api/cli.md

@@ -920,8 +920,11 @@ added:
 > Stability: 1.0 - Early development
 
 If present, Node.js will look for a configuration file at the specified path.
-Node.js will read the configuration file and apply the settings. The
-configuration file should be a JSON file with the following structure. `vX.Y.Z`
+Node.js will read the configuration file and apply the settings.
+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.
+The configuration file should be a JSON file with the following structure. `vX.Y.Z`
 in the `$schema` must be replaced with the version of Node.js you are using.
 
 ```json
@@ -980,20 +983,6 @@ 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

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.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_; }