module: flip experimental-detect-module flags left

Author: marco-ippolito

doc/api/modules.md

@@ -207,7 +207,7 @@ class Point {
 export default Point;
 ```
 
-A CommonJS module can load them with `require()` under `--experimental-detect-module`:
+A CommonJS module can load them with `require()`:
 
 ```cjs
 const distance = require('./distance.mjs');

lib/internal/modules/cjs/loader.js

@@ -1465,7 +1465,7 @@ function wrapSafe(filename, content, cjsModuleInstance, format) {
     };
   }
 
-  const shouldDetectModule = (format !== 'commonjs' && getOptionValue('--experimental-detect-module'));
+  const shouldDetectModule = (format !== 'commonjs' && !getOptionValue('--no-experimental-detect-module'));
   const result = compileFunctionForCJSLoader(content, filename, false /* is_sea_main */, shouldDetectModule);
 
   // Cache the source map for the module if present.

lib/internal/modules/esm/get_format.js

@@ -15,7 +15,7 @@ const {
   mimeToFormat,
 } = require('internal/modules/esm/formats');
 
-const detectModule = getOptionValue('--experimental-detect-module');
+const detectModule = !getOptionValue('--no-experimental-detect-module');
 const { containsModuleSyntax } = internalBinding('contextify');
 const { getPackageScopeConfig, getPackageType } = require('internal/modules/package_json_reader');
 const { fileURLToPath } = require('internal/url');

lib/internal/process/execution.js

@@ -81,7 +81,7 @@ function evalScript(name, body, breakFirstLine, print, shouldLoadESM = false) {
 
   const baseUrl = pathToFileURL(module.filename).href;
 
-  if (getOptionValue('--experimental-detect-module') &&
+  if (!getOptionValue('--no-experimental-detect-module') &&
     getOptionValue('--input-type') === '' && getOptionValue('--experimental-default-type') === '' &&
     containsModuleSyntax(body, name, null, 'no CJS variables')) {
     return evalModuleEntryPoint(body, print);