[compiler:babel] Don't read config files when not running as part of

user's pipeline

When the user app has a babel.config file that is missing the compiler,
strange things happen as babel does some strange merging of options from
the user's config and in various callsites like in our eslint rule and
healthcheck script. To minimize odd behavior, we default to not reading
the user's babel.config

Fixes #29135

ghstack-source-id: 5c3cb02f3254e0ccaf075ab5a3cd8b32714a1573
Pull Request resolved: #29211

compiler/packages/babel-plugin-react-compiler/src/Babel/RunReactCompilerBabelPlugin.ts

@@ -36,6 +36,8 @@ export function runBabelPluginReactCompiler(
       "babel-plugin-fbt-runtime",
     ],
     sourceType: "module",
+    configFile: false,
+    babelrc: false,
   });
   invariant(
     result?.code != null,

compiler/packages/eslint-plugin-react-compiler/src/rules/ReactCompilerRule.ts

@@ -144,6 +144,7 @@ const rule: Rule.RuleModule = {
           ],
           sourceType: "module",
           configFile: false,
+          babelrc: false,
         });
       } catch (err) {
         if (isReactCompilerError(err) && Array.isArray(err.details)) {

compiler/packages/react-compiler-healthcheck/src/checks/reactCompiler.ts

@@ -86,6 +86,7 @@ function runBabelPluginReactCompiler(
     plugins: [[BabelPluginReactCompiler, options]],
     sourceType: "module",
     configFile: false,
+    babelrc: false,
   });
   if (result?.code == null) {
     throw new Error(

compiler/packages/snap/src/compiler.ts

@@ -334,6 +334,7 @@ export async function transformFixtureInput(
     ast: includeEvaluator,
     cloneInputAst: includeEvaluator,
     configFile: false,
+    babelrc: false,
   });
   invariant(
     forgetResult?.code != null,
@@ -357,6 +358,7 @@ export async function transformFixtureInput(
         presets,
         filename: virtualFilepath,
         configFile: false,
+        babelrc: false,
       });
       if (result?.code == null) {
         return {
@@ -382,6 +384,7 @@ export async function transformFixtureInput(
         presets,
         filename: virtualFilepath,
         configFile: false,
+        babelrc: false,
       });
 
       if (result?.code == null) {