diff --git a/.browserslistrc b/.browserslistrc
new file mode 100644
index 0000000..496d1ef
--- /dev/null
+++ b/.browserslistrc
@@ -0,0 +1 @@
+defaults
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3121e34..9f88f55 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Change log
 
 ## [Unreleased]
+### Added
+  * Make the Hermes parser optional and disabled by default.
+    It can now be activated by setting hte `parser` option
+    `[["@gandi/gandi", { "parser": "hermes" }]]`.
 
 ## 6.1.0 - 2024-07-29
 ### Changed
diff --git a/index.js b/index.js
index df55b44..ce3e95b 100644
--- a/index.js
+++ b/index.js
@@ -29,9 +29,11 @@
  */
 
 module.exports = (context, options = {}) => {
+  let { parser = 'babel', ...envOptions } = options;
+
   let envOpts = {
     bugfixes: true,
-    ...options,
+    ...envOptions,
   };
 
   let reactOpts = {
@@ -53,7 +55,7 @@ module.exports = (context, options = {}) => {
   ];
 
   let plugins = [
-    'babel-plugin-syntax-hermes-parser',
+    ...(parser === 'hermes' ? ['babel-plugin-syntax-hermes-parser'] : []),
     ['@babel/plugin-transform-runtime', runtimeOpts],
   ];
 
diff --git a/test/__file_snapshots__/cjsm--Array.flatMap-0 b/test/__file_snapshots__/babel-cjsm---ES--Array.flatMap-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--Array.flatMap-0
rename to test/__file_snapshots__/babel-cjsm---ES--Array.flatMap-0
diff --git a/test/__file_snapshots__/cjsm--Object.entries-0 b/test/__file_snapshots__/babel-cjsm---ES--Object.entries-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--Object.entries-0
rename to test/__file_snapshots__/babel-cjsm---ES--Object.entries-0
diff --git a/test/__file_snapshots__/cjsm--Promise.allSettled-0 b/test/__file_snapshots__/babel-cjsm---ES--Promise.allSettled-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--Promise.allSettled-0
rename to test/__file_snapshots__/babel-cjsm---ES--Promise.allSettled-0
diff --git a/test/__file_snapshots__/cjsm--Runtime-ponyfills-0 b/test/__file_snapshots__/babel-cjsm---ES--Runtime-ponyfills-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--Runtime-ponyfills-0
rename to test/__file_snapshots__/babel-cjsm---ES--Runtime-ponyfills-0
diff --git a/test/__file_snapshots__/cjsm--async-await-0 b/test/__file_snapshots__/babel-cjsm---ES--async-await-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--async-await-0
rename to test/__file_snapshots__/babel-cjsm---ES--async-await-0
diff --git a/test/__file_snapshots__/cjsm--class-properties-0 b/test/__file_snapshots__/babel-cjsm---ES--class-properties-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--class-properties-0
rename to test/__file_snapshots__/babel-cjsm---ES--class-properties-0
diff --git a/test/__file_snapshots__/cjsm--dynamic-imports-0 b/test/__file_snapshots__/babel-cjsm---ES--dynamic-imports-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--dynamic-imports-0
rename to test/__file_snapshots__/babel-cjsm---ES--dynamic-imports-0
diff --git a/test/__file_snapshots__/cjsm--nullish-coalescing-0 b/test/__file_snapshots__/babel-cjsm---ES--nullish-coalescing-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--nullish-coalescing-0
rename to test/__file_snapshots__/babel-cjsm---ES--nullish-coalescing-0
diff --git a/test/__file_snapshots__/cjsm--object-rest-spread-0 b/test/__file_snapshots__/babel-cjsm---ES--object-rest-spread-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--object-rest-spread-0
rename to test/__file_snapshots__/babel-cjsm---ES--object-rest-spread-0
diff --git a/test/__file_snapshots__/babel-cjsm---ES--optional-chaining-0 b/test/__file_snapshots__/babel-cjsm---ES--optional-chaining-0
new file mode 100644
index 0000000..15f72a2
--- /dev/null
+++ b/test/__file_snapshots__/babel-cjsm---ES--optional-chaining-0
@@ -0,0 +1,12 @@
+"use strict";
+
+let obj = {
+  foo: {
+    bar: {
+      baz: 42
+    }
+  }
+};
+let baz = obj?.foo?.bar?.baz; // 42
+
+let safe = obj?.qux?.baz; // undefined
\ No newline at end of file
diff --git a/test/__file_snapshots__/cjsm--static-class-properties-0 b/test/__file_snapshots__/babel-cjsm---ES--static-class-properties-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--static-class-properties-0
rename to test/__file_snapshots__/babel-cjsm---ES--static-class-properties-0
diff --git a/test/__file_snapshots__/cjsm--flow-0 b/test/__file_snapshots__/babel-cjsm---Flow--Types-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--flow-0
rename to test/__file_snapshots__/babel-cjsm---Flow--Types-0
diff --git a/test/__file_snapshots__/cjsm--React-class-component-0 b/test/__file_snapshots__/babel-cjsm---React--class-component-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--React-class-component-0
rename to test/__file_snapshots__/babel-cjsm---React--class-component-0
diff --git a/test/__file_snapshots__/cjsm--React-function-component-0 b/test/__file_snapshots__/babel-cjsm---React--function-component-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--React-function-component-0
rename to test/__file_snapshots__/babel-cjsm---React--function-component-0
diff --git a/test/__file_snapshots__/cjsm--jsx-0 b/test/__file_snapshots__/babel-cjsm---React--jsx-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--jsx-0
rename to test/__file_snapshots__/babel-cjsm---React--jsx-0
diff --git a/test/__file_snapshots__/cjsm--jsx-spread-0 b/test/__file_snapshots__/babel-cjsm---React--jsx-spread-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--jsx-spread-0
rename to test/__file_snapshots__/babel-cjsm---React--jsx-spread-0
diff --git a/test/__file_snapshots__/cjsm--Regression--Flow-void-class-properties-0 b/test/__file_snapshots__/babel-cjsm---Regression--Flow-void-class-properties-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--Regression--Flow-void-class-properties-0
rename to test/__file_snapshots__/babel-cjsm---Regression--Flow-void-class-properties-0
diff --git a/test/__file_snapshots__/babel-cjsm---Regression--Webpack-magic-comments-0 b/test/__file_snapshots__/babel-cjsm---Regression--Webpack-magic-comments-0
new file mode 100644
index 0000000..5efbc05
--- /dev/null
+++ b/test/__file_snapshots__/babel-cjsm---Regression--Webpack-magic-comments-0
@@ -0,0 +1,5 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault").default;
+var _interopRequireWildcard2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/interopRequireWildcard"));
+Promise.resolve().then(() => (0, _interopRequireWildcard2.default)(require( /* webpackChunkName: foo */'bar')));
\ No newline at end of file
diff --git a/test/__file_snapshots__/babel-cjsm---Regression--react-docgen-comments-0 b/test/__file_snapshots__/babel-cjsm---Regression--react-docgen-comments-0
new file mode 100644
index 0000000..934c616
--- /dev/null
+++ b/test/__file_snapshots__/babel-cjsm---Regression--react-docgen-comments-0
@@ -0,0 +1,4 @@
+"use strict";
+
+/**  @component */
+function Foo() {}
\ No newline at end of file
diff --git a/test/__file_snapshots__/esm--Array.flatMap-0 b/test/__file_snapshots__/babel-esm---ES--Array.flatMap-0
similarity index 100%
rename from test/__file_snapshots__/esm--Array.flatMap-0
rename to test/__file_snapshots__/babel-esm---ES--Array.flatMap-0
diff --git a/test/__file_snapshots__/esm--Object.entries-0 b/test/__file_snapshots__/babel-esm---ES--Object.entries-0
similarity index 100%
rename from test/__file_snapshots__/esm--Object.entries-0
rename to test/__file_snapshots__/babel-esm---ES--Object.entries-0
diff --git a/test/__file_snapshots__/esm--Promise.allSettled-0 b/test/__file_snapshots__/babel-esm---ES--Promise.allSettled-0
similarity index 100%
rename from test/__file_snapshots__/esm--Promise.allSettled-0
rename to test/__file_snapshots__/babel-esm---ES--Promise.allSettled-0
diff --git a/test/__file_snapshots__/esm--Runtime-ponyfills-0 b/test/__file_snapshots__/babel-esm---ES--Runtime-ponyfills-0
similarity index 100%
rename from test/__file_snapshots__/esm--Runtime-ponyfills-0
rename to test/__file_snapshots__/babel-esm---ES--Runtime-ponyfills-0
diff --git a/test/__file_snapshots__/esm--async-await-0 b/test/__file_snapshots__/babel-esm---ES--async-await-0
similarity index 100%
rename from test/__file_snapshots__/esm--async-await-0
rename to test/__file_snapshots__/babel-esm---ES--async-await-0
diff --git a/test/__file_snapshots__/esm--class-properties-0 b/test/__file_snapshots__/babel-esm---ES--class-properties-0
similarity index 100%
rename from test/__file_snapshots__/esm--class-properties-0
rename to test/__file_snapshots__/babel-esm---ES--class-properties-0
diff --git a/test/__file_snapshots__/esm--dynamic-imports-0 b/test/__file_snapshots__/babel-esm---ES--dynamic-imports-0
similarity index 100%
rename from test/__file_snapshots__/esm--dynamic-imports-0
rename to test/__file_snapshots__/babel-esm---ES--dynamic-imports-0
diff --git a/test/__file_snapshots__/esm--nullish-coalescing-0 b/test/__file_snapshots__/babel-esm---ES--nullish-coalescing-0
similarity index 100%
rename from test/__file_snapshots__/esm--nullish-coalescing-0
rename to test/__file_snapshots__/babel-esm---ES--nullish-coalescing-0
diff --git a/test/__file_snapshots__/esm--object-rest-spread-0 b/test/__file_snapshots__/babel-esm---ES--object-rest-spread-0
similarity index 100%
rename from test/__file_snapshots__/esm--object-rest-spread-0
rename to test/__file_snapshots__/babel-esm---ES--object-rest-spread-0
diff --git a/test/__file_snapshots__/babel-esm---ES--optional-chaining-0 b/test/__file_snapshots__/babel-esm---ES--optional-chaining-0
new file mode 100644
index 0000000..36499ca
--- /dev/null
+++ b/test/__file_snapshots__/babel-esm---ES--optional-chaining-0
@@ -0,0 +1,10 @@
+let obj = {
+  foo: {
+    bar: {
+      baz: 42
+    }
+  }
+};
+let baz = obj?.foo?.bar?.baz; // 42
+
+let safe = obj?.qux?.baz; // undefined
\ No newline at end of file
diff --git a/test/__file_snapshots__/esm--static-class-properties-0 b/test/__file_snapshots__/babel-esm---ES--static-class-properties-0
similarity index 100%
rename from test/__file_snapshots__/esm--static-class-properties-0
rename to test/__file_snapshots__/babel-esm---ES--static-class-properties-0
diff --git a/test/__file_snapshots__/esm--flow-0 b/test/__file_snapshots__/babel-esm---Flow--Types-0
similarity index 100%
rename from test/__file_snapshots__/esm--flow-0
rename to test/__file_snapshots__/babel-esm---Flow--Types-0
diff --git a/test/__file_snapshots__/esm--React-class-component-0 b/test/__file_snapshots__/babel-esm---React--class-component-0
similarity index 100%
rename from test/__file_snapshots__/esm--React-class-component-0
rename to test/__file_snapshots__/babel-esm---React--class-component-0
diff --git a/test/__file_snapshots__/esm--React-function-component-0 b/test/__file_snapshots__/babel-esm---React--function-component-0
similarity index 100%
rename from test/__file_snapshots__/esm--React-function-component-0
rename to test/__file_snapshots__/babel-esm---React--function-component-0
diff --git a/test/__file_snapshots__/esm--jsx-0 b/test/__file_snapshots__/babel-esm---React--jsx-0
similarity index 100%
rename from test/__file_snapshots__/esm--jsx-0
rename to test/__file_snapshots__/babel-esm---React--jsx-0
diff --git a/test/__file_snapshots__/esm--jsx-spread-0 b/test/__file_snapshots__/babel-esm---React--jsx-spread-0
similarity index 100%
rename from test/__file_snapshots__/esm--jsx-spread-0
rename to test/__file_snapshots__/babel-esm---React--jsx-spread-0
diff --git a/test/__file_snapshots__/esm--Regression--Flow-void-class-properties-0 b/test/__file_snapshots__/babel-esm---Regression--Flow-void-class-properties-0
similarity index 100%
rename from test/__file_snapshots__/esm--Regression--Flow-void-class-properties-0
rename to test/__file_snapshots__/babel-esm---Regression--Flow-void-class-properties-0
diff --git a/test/__file_snapshots__/babel-esm---Regression--Webpack-magic-comments-0 b/test/__file_snapshots__/babel-esm---Regression--Webpack-magic-comments-0
new file mode 100644
index 0000000..c48b052
--- /dev/null
+++ b/test/__file_snapshots__/babel-esm---Regression--Webpack-magic-comments-0
@@ -0,0 +1 @@
+import( /* webpackChunkName: foo */'bar');
\ No newline at end of file
diff --git a/test/__file_snapshots__/babel-esm---Regression--react-docgen-comments-0 b/test/__file_snapshots__/babel-esm---Regression--react-docgen-comments-0
new file mode 100644
index 0000000..5a57e1e
--- /dev/null
+++ b/test/__file_snapshots__/babel-esm---Regression--react-docgen-comments-0
@@ -0,0 +1,2 @@
+/**  @component */
+function Foo() {}
\ No newline at end of file
diff --git a/test/__file_snapshots__/node--Array.flatMap-0 b/test/__file_snapshots__/babel-node---ES--Array.flatMap-0
similarity index 100%
rename from test/__file_snapshots__/node--Array.flatMap-0
rename to test/__file_snapshots__/babel-node---ES--Array.flatMap-0
diff --git a/test/__file_snapshots__/node--Object.entries-0 b/test/__file_snapshots__/babel-node---ES--Object.entries-0
similarity index 100%
rename from test/__file_snapshots__/node--Object.entries-0
rename to test/__file_snapshots__/babel-node---ES--Object.entries-0
diff --git a/test/__file_snapshots__/node--Promise.allSettled-0 b/test/__file_snapshots__/babel-node---ES--Promise.allSettled-0
similarity index 100%
rename from test/__file_snapshots__/node--Promise.allSettled-0
rename to test/__file_snapshots__/babel-node---ES--Promise.allSettled-0
diff --git a/test/__file_snapshots__/node--Runtime-ponyfills-0 b/test/__file_snapshots__/babel-node---ES--Runtime-ponyfills-0
similarity index 100%
rename from test/__file_snapshots__/node--Runtime-ponyfills-0
rename to test/__file_snapshots__/babel-node---ES--Runtime-ponyfills-0
diff --git a/test/__file_snapshots__/node--async-await-0 b/test/__file_snapshots__/babel-node---ES--async-await-0
similarity index 100%
rename from test/__file_snapshots__/node--async-await-0
rename to test/__file_snapshots__/babel-node---ES--async-await-0
diff --git a/test/__file_snapshots__/node--class-properties-0 b/test/__file_snapshots__/babel-node---ES--class-properties-0
similarity index 100%
rename from test/__file_snapshots__/node--class-properties-0
rename to test/__file_snapshots__/babel-node---ES--class-properties-0
diff --git a/test/__file_snapshots__/node--dynamic-imports-0 b/test/__file_snapshots__/babel-node---ES--dynamic-imports-0
similarity index 100%
rename from test/__file_snapshots__/node--dynamic-imports-0
rename to test/__file_snapshots__/babel-node---ES--dynamic-imports-0
diff --git a/test/__file_snapshots__/node--nullish-coalescing-0 b/test/__file_snapshots__/babel-node---ES--nullish-coalescing-0
similarity index 100%
rename from test/__file_snapshots__/node--nullish-coalescing-0
rename to test/__file_snapshots__/babel-node---ES--nullish-coalescing-0
diff --git a/test/__file_snapshots__/node--object-rest-spread-0 b/test/__file_snapshots__/babel-node---ES--object-rest-spread-0
similarity index 100%
rename from test/__file_snapshots__/node--object-rest-spread-0
rename to test/__file_snapshots__/babel-node---ES--object-rest-spread-0
diff --git a/test/__file_snapshots__/babel-node---ES--optional-chaining-0 b/test/__file_snapshots__/babel-node---ES--optional-chaining-0
new file mode 100644
index 0000000..15f72a2
--- /dev/null
+++ b/test/__file_snapshots__/babel-node---ES--optional-chaining-0
@@ -0,0 +1,12 @@
+"use strict";
+
+let obj = {
+  foo: {
+    bar: {
+      baz: 42
+    }
+  }
+};
+let baz = obj?.foo?.bar?.baz; // 42
+
+let safe = obj?.qux?.baz; // undefined
\ No newline at end of file
diff --git a/test/__file_snapshots__/node--static-class-properties-0 b/test/__file_snapshots__/babel-node---ES--static-class-properties-0
similarity index 100%
rename from test/__file_snapshots__/node--static-class-properties-0
rename to test/__file_snapshots__/babel-node---ES--static-class-properties-0
diff --git a/test/__file_snapshots__/node--flow-0 b/test/__file_snapshots__/babel-node---Flow--Types-0
similarity index 100%
rename from test/__file_snapshots__/node--flow-0
rename to test/__file_snapshots__/babel-node---Flow--Types-0
diff --git a/test/__file_snapshots__/node--React-class-component-0 b/test/__file_snapshots__/babel-node---React--class-component-0
similarity index 100%
rename from test/__file_snapshots__/node--React-class-component-0
rename to test/__file_snapshots__/babel-node---React--class-component-0
diff --git a/test/__file_snapshots__/node--React-function-component-0 b/test/__file_snapshots__/babel-node---React--function-component-0
similarity index 100%
rename from test/__file_snapshots__/node--React-function-component-0
rename to test/__file_snapshots__/babel-node---React--function-component-0
diff --git a/test/__file_snapshots__/node--jsx-0 b/test/__file_snapshots__/babel-node---React--jsx-0
similarity index 100%
rename from test/__file_snapshots__/node--jsx-0
rename to test/__file_snapshots__/babel-node---React--jsx-0
diff --git a/test/__file_snapshots__/node--jsx-spread-0 b/test/__file_snapshots__/babel-node---React--jsx-spread-0
similarity index 100%
rename from test/__file_snapshots__/node--jsx-spread-0
rename to test/__file_snapshots__/babel-node---React--jsx-spread-0
diff --git a/test/__file_snapshots__/node--Regression--Flow-void-class-properties-0 b/test/__file_snapshots__/babel-node---Regression--Flow-void-class-properties-0
similarity index 100%
rename from test/__file_snapshots__/node--Regression--Flow-void-class-properties-0
rename to test/__file_snapshots__/babel-node---Regression--Flow-void-class-properties-0
diff --git a/test/__file_snapshots__/babel-node---Regression--Webpack-magic-comments-0 b/test/__file_snapshots__/babel-node---Regression--Webpack-magic-comments-0
new file mode 100644
index 0000000..5efbc05
--- /dev/null
+++ b/test/__file_snapshots__/babel-node---Regression--Webpack-magic-comments-0
@@ -0,0 +1,5 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault").default;
+var _interopRequireWildcard2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/interopRequireWildcard"));
+Promise.resolve().then(() => (0, _interopRequireWildcard2.default)(require( /* webpackChunkName: foo */'bar')));
\ No newline at end of file
diff --git a/test/__file_snapshots__/babel-node---Regression--react-docgen-comments-0 b/test/__file_snapshots__/babel-node---Regression--react-docgen-comments-0
new file mode 100644
index 0000000..934c616
--- /dev/null
+++ b/test/__file_snapshots__/babel-node---Regression--react-docgen-comments-0
@@ -0,0 +1,4 @@
+"use strict";
+
+/**  @component */
+function Foo() {}
\ No newline at end of file
diff --git a/test/__file_snapshots__/esmodules--Flow-Conditional-Types-0 b/test/__file_snapshots__/esmodules--Flow-Conditional-Types-0
deleted file mode 100644
index 2923aee..0000000
--- a/test/__file_snapshots__/esmodules--Flow-Conditional-Types-0
+++ /dev/null
@@ -1,2 +0,0 @@
-class Vehicle {}
-class Car {}
\ No newline at end of file
diff --git a/test/__file_snapshots__/esmodules--Flow-Type-Guards-0 b/test/__file_snapshots__/esmodules--Flow-Type-Guards-0
deleted file mode 100644
index 27d3e2b..0000000
--- a/test/__file_snapshots__/esmodules--Flow-Type-Guards-0
+++ /dev/null
@@ -1 +0,0 @@
-function foo(node) {}
\ No newline at end of file
diff --git a/test/__file_snapshots__/esmodules--optional-chaining-0 b/test/__file_snapshots__/esmodules--optional-chaining-0
deleted file mode 100644
index ae802b4..0000000
--- a/test/__file_snapshots__/esmodules--optional-chaining-0
+++ /dev/null
@@ -1,9 +0,0 @@
-let obj = {
-  foo: {
-    bar: {
-      baz: 42
-    }
-  }
-};
-let baz = obj?.foo?.bar?.baz;
-let safe = obj?.qux?.baz;
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---ES--Array.flatMap-0 b/test/__file_snapshots__/hermes-cjsm---ES--Array.flatMap-0
new file mode 100644
index 0000000..28704f9
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---ES--Array.flatMap-0
@@ -0,0 +1,3 @@
+"use strict";
+
+[1, 2].flatMap(x => [x * 2]);
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---ES--Object.entries-0 b/test/__file_snapshots__/hermes-cjsm---ES--Object.entries-0
new file mode 100644
index 0000000..6b918f8
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---ES--Object.entries-0
@@ -0,0 +1,5 @@
+"use strict";
+
+Object.entries({
+  a: 1
+});
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---ES--Promise.allSettled-0 b/test/__file_snapshots__/hermes-cjsm---ES--Promise.allSettled-0
new file mode 100644
index 0000000..53523ce
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---ES--Promise.allSettled-0
@@ -0,0 +1,3 @@
+"use strict";
+
+Promise.allSettled([Promise.resolve(1), Promise.resolve(2)]).then(rs => rs.forEach(r => console.log(r.status)));
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---ES--Runtime-ponyfills-0 b/test/__file_snapshots__/hermes-cjsm---ES--Runtime-ponyfills-0
new file mode 100644
index 0000000..702793a
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---ES--Runtime-ponyfills-0
@@ -0,0 +1,5 @@
+"use strict";
+
+new Map();
+new Set();
+new Promise();
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---ES--async-await-0 b/test/__file_snapshots__/hermes-cjsm---ES--async-await-0
new file mode 100644
index 0000000..1441db4
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---ES--async-await-0
@@ -0,0 +1,5 @@
+"use strict";
+
+(async function () {
+  await foo();
+})();
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---ES--class-properties-0 b/test/__file_snapshots__/hermes-cjsm---ES--class-properties-0
new file mode 100644
index 0000000..5b37c3f
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---ES--class-properties-0
@@ -0,0 +1,5 @@
+"use strict";
+
+class A {
+  a = () => 'hello';
+}
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---ES--dynamic-imports-0 b/test/__file_snapshots__/hermes-cjsm---ES--dynamic-imports-0
new file mode 100644
index 0000000..31eafbf
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---ES--dynamic-imports-0
@@ -0,0 +1,5 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault").default;
+var _interopRequireWildcard2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/interopRequireWildcard"));
+Promise.resolve().then(() => (0, _interopRequireWildcard2.default)(require('./a')));
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---ES--nullish-coalescing-0 b/test/__file_snapshots__/hermes-cjsm---ES--nullish-coalescing-0
new file mode 100644
index 0000000..f038f1a
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---ES--nullish-coalescing-0
@@ -0,0 +1,4 @@
+"use strict";
+
+let obj = {};
+let foo = obj.foo ?? 'default';
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---ES--object-rest-spread-0 b/test/__file_snapshots__/hermes-cjsm---ES--object-rest-spread-0
new file mode 100644
index 0000000..804b456
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---ES--object-rest-spread-0
@@ -0,0 +1,5 @@
+"use strict";
+
+let b = {
+  ...a
+};
\ No newline at end of file
diff --git a/test/__file_snapshots__/cjsm--optional-chaining-0 b/test/__file_snapshots__/hermes-cjsm---ES--optional-chaining-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--optional-chaining-0
rename to test/__file_snapshots__/hermes-cjsm---ES--optional-chaining-0
diff --git a/test/__file_snapshots__/hermes-cjsm---ES--static-class-properties-0 b/test/__file_snapshots__/hermes-cjsm---ES--static-class-properties-0
new file mode 100644
index 0000000..3b35c7b
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---ES--static-class-properties-0
@@ -0,0 +1,5 @@
+"use strict";
+
+class A {
+  static a = 'hello';
+}
\ No newline at end of file
diff --git a/test/__file_snapshots__/cjsm--Flow-Conditional-Types-0 b/test/__file_snapshots__/hermes-cjsm---Flow--Conditional-Types-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--Flow-Conditional-Types-0
rename to test/__file_snapshots__/hermes-cjsm---Flow--Conditional-Types-0
diff --git a/test/__file_snapshots__/hermes-cjsm---Flow--Mapped-Types-0 b/test/__file_snapshots__/hermes-cjsm---Flow--Mapped-Types-0
new file mode 100644
index 0000000..9a390c3
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---Flow--Mapped-Types-0
@@ -0,0 +1 @@
+"use strict";
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---Flow--Type-Casting-0 b/test/__file_snapshots__/hermes-cjsm---Flow--Type-Casting-0
new file mode 100644
index 0000000..133c211
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---Flow--Type-Casting-0
@@ -0,0 +1,7 @@
+"use strict";
+
+let val = value;
+let obj = {
+  prop: value
+};
+let arr = [value, value];
\ No newline at end of file
diff --git a/test/__file_snapshots__/cjsm--Flow-Type-Guards-0 b/test/__file_snapshots__/hermes-cjsm---Flow--Type-Guards-0
similarity index 100%
rename from test/__file_snapshots__/cjsm--Flow-Type-Guards-0
rename to test/__file_snapshots__/hermes-cjsm---Flow--Type-Guards-0
diff --git a/test/__file_snapshots__/hermes-cjsm---Flow--Types-0 b/test/__file_snapshots__/hermes-cjsm---Flow--Types-0
new file mode 100644
index 0000000..d26d019
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---Flow--Types-0
@@ -0,0 +1,3 @@
+"use strict";
+
+let a = 'hello';
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---React--class-component-0 b/test/__file_snapshots__/hermes-cjsm---React--class-component-0
new file mode 100644
index 0000000..d059f30
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---React--class-component-0
@@ -0,0 +1,23 @@
+"use strict";
+
+var _react = require("react");
+var _jsxRuntime = require("react/jsx-runtime");
+class Button extends _react.Component {
+  handleClick = async evt => {
+    evt.preventDefault();
+    await fetch('/foo');
+  };
+  render() {
+    const {
+      type = 'button',
+      children,
+      ...extraProps
+    } = this.props;
+    return /*#__PURE__*/(0, _jsxRuntime.jsx)("button", {
+      type: type,
+      onClick: this.handleClick,
+      ...extraProps,
+      children: children
+    });
+  }
+}
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---React--function-component-0 b/test/__file_snapshots__/hermes-cjsm---React--function-component-0
new file mode 100644
index 0000000..999ce46
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---React--function-component-0
@@ -0,0 +1,14 @@
+"use strict";
+
+var _jsxRuntime = require("react/jsx-runtime");
+function Button({
+  type = 'button',
+  children,
+  ...extraProps
+}) {
+  return /*#__PURE__*/(0, _jsxRuntime.jsx)("button", {
+    type: type,
+    ...extraProps,
+    children: children
+  });
+}
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---React--jsx-0 b/test/__file_snapshots__/hermes-cjsm---React--jsx-0
new file mode 100644
index 0000000..326c48d
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---React--jsx-0
@@ -0,0 +1,6 @@
+"use strict";
+
+var _jsxRuntime = require("react/jsx-runtime");
+let A = () => /*#__PURE__*/(0, _jsxRuntime.jsx)("div", {
+  children: "hello"
+});
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---React--jsx-spread-0 b/test/__file_snapshots__/hermes-cjsm---React--jsx-spread-0
new file mode 100644
index 0000000..2df9341
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---React--jsx-spread-0
@@ -0,0 +1,8 @@
+"use strict";
+
+var _jsxRuntime = require("react/jsx-runtime");
+/*#__PURE__*/(0, _jsxRuntime.jsx)("div", {
+  a: true,
+  ...b,
+  children: "hello"
+});
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---Regression--Flow-void-class-properties-0 b/test/__file_snapshots__/hermes-cjsm---Regression--Flow-void-class-properties-0
new file mode 100644
index 0000000..d9c55f7
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---Regression--Flow-void-class-properties-0
@@ -0,0 +1,3 @@
+"use strict";
+
+class C {}
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---Regression--Webpack-magic-comments-0 b/test/__file_snapshots__/hermes-cjsm---Regression--Webpack-magic-comments-0
new file mode 100644
index 0000000..66cd87e
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---Regression--Webpack-magic-comments-0
@@ -0,0 +1,5 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault").default;
+var _interopRequireWildcard2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/interopRequireWildcard"));
+Promise.resolve().then(() => (0, _interopRequireWildcard2.default)(require('bar')));
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-cjsm---Regression--react-docgen-comments-0 b/test/__file_snapshots__/hermes-cjsm---Regression--react-docgen-comments-0
new file mode 100644
index 0000000..02cb984
--- /dev/null
+++ b/test/__file_snapshots__/hermes-cjsm---Regression--react-docgen-comments-0
@@ -0,0 +1,3 @@
+"use strict";
+
+function Foo() {}
\ No newline at end of file
diff --git a/test/__file_snapshots__/esmodules--Array.flatMap-0 b/test/__file_snapshots__/hermes-esm---ES--Array.flatMap-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--Array.flatMap-0
rename to test/__file_snapshots__/hermes-esm---ES--Array.flatMap-0
diff --git a/test/__file_snapshots__/esmodules--Object.entries-0 b/test/__file_snapshots__/hermes-esm---ES--Object.entries-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--Object.entries-0
rename to test/__file_snapshots__/hermes-esm---ES--Object.entries-0
diff --git a/test/__file_snapshots__/esmodules--Promise.allSettled-0 b/test/__file_snapshots__/hermes-esm---ES--Promise.allSettled-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--Promise.allSettled-0
rename to test/__file_snapshots__/hermes-esm---ES--Promise.allSettled-0
diff --git a/test/__file_snapshots__/esmodules--Runtime-ponyfills-0 b/test/__file_snapshots__/hermes-esm---ES--Runtime-ponyfills-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--Runtime-ponyfills-0
rename to test/__file_snapshots__/hermes-esm---ES--Runtime-ponyfills-0
diff --git a/test/__file_snapshots__/esmodules--async-await-0 b/test/__file_snapshots__/hermes-esm---ES--async-await-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--async-await-0
rename to test/__file_snapshots__/hermes-esm---ES--async-await-0
diff --git a/test/__file_snapshots__/esmodules--class-properties-0 b/test/__file_snapshots__/hermes-esm---ES--class-properties-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--class-properties-0
rename to test/__file_snapshots__/hermes-esm---ES--class-properties-0
diff --git a/test/__file_snapshots__/esmodules--dynamic-imports-0 b/test/__file_snapshots__/hermes-esm---ES--dynamic-imports-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--dynamic-imports-0
rename to test/__file_snapshots__/hermes-esm---ES--dynamic-imports-0
diff --git a/test/__file_snapshots__/esmodules--nullish-coalescing-0 b/test/__file_snapshots__/hermes-esm---ES--nullish-coalescing-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--nullish-coalescing-0
rename to test/__file_snapshots__/hermes-esm---ES--nullish-coalescing-0
diff --git a/test/__file_snapshots__/esmodules--object-rest-spread-0 b/test/__file_snapshots__/hermes-esm---ES--object-rest-spread-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--object-rest-spread-0
rename to test/__file_snapshots__/hermes-esm---ES--object-rest-spread-0
diff --git a/test/__file_snapshots__/esm--optional-chaining-0 b/test/__file_snapshots__/hermes-esm---ES--optional-chaining-0
similarity index 100%
rename from test/__file_snapshots__/esm--optional-chaining-0
rename to test/__file_snapshots__/hermes-esm---ES--optional-chaining-0
diff --git a/test/__file_snapshots__/esmodules--static-class-properties-0 b/test/__file_snapshots__/hermes-esm---ES--static-class-properties-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--static-class-properties-0
rename to test/__file_snapshots__/hermes-esm---ES--static-class-properties-0
diff --git a/test/__file_snapshots__/esm--Flow-Conditional-Types-0 b/test/__file_snapshots__/hermes-esm---Flow--Conditional-Types-0
similarity index 100%
rename from test/__file_snapshots__/esm--Flow-Conditional-Types-0
rename to test/__file_snapshots__/hermes-esm---Flow--Conditional-Types-0
diff --git a/test/__file_snapshots__/hermes-esm---Flow--Mapped-Types-0 b/test/__file_snapshots__/hermes-esm---Flow--Mapped-Types-0
new file mode 100644
index 0000000..e69de29
diff --git a/test/__file_snapshots__/hermes-esm---Flow--Type-Casting-0 b/test/__file_snapshots__/hermes-esm---Flow--Type-Casting-0
new file mode 100644
index 0000000..b33e5a7
--- /dev/null
+++ b/test/__file_snapshots__/hermes-esm---Flow--Type-Casting-0
@@ -0,0 +1,5 @@
+let val = value;
+let obj = {
+  prop: value
+};
+let arr = [value, value];
\ No newline at end of file
diff --git a/test/__file_snapshots__/esm--Flow-Type-Guards-0 b/test/__file_snapshots__/hermes-esm---Flow--Type-Guards-0
similarity index 100%
rename from test/__file_snapshots__/esm--Flow-Type-Guards-0
rename to test/__file_snapshots__/hermes-esm---Flow--Type-Guards-0
diff --git a/test/__file_snapshots__/esmodules--flow-0 b/test/__file_snapshots__/hermes-esm---Flow--Types-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--flow-0
rename to test/__file_snapshots__/hermes-esm---Flow--Types-0
diff --git a/test/__file_snapshots__/esmodules--React-class-component-0 b/test/__file_snapshots__/hermes-esm---React--class-component-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--React-class-component-0
rename to test/__file_snapshots__/hermes-esm---React--class-component-0
diff --git a/test/__file_snapshots__/esmodules--React-function-component-0 b/test/__file_snapshots__/hermes-esm---React--function-component-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--React-function-component-0
rename to test/__file_snapshots__/hermes-esm---React--function-component-0
diff --git a/test/__file_snapshots__/esmodules--jsx-0 b/test/__file_snapshots__/hermes-esm---React--jsx-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--jsx-0
rename to test/__file_snapshots__/hermes-esm---React--jsx-0
diff --git a/test/__file_snapshots__/esmodules--jsx-spread-0 b/test/__file_snapshots__/hermes-esm---React--jsx-spread-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--jsx-spread-0
rename to test/__file_snapshots__/hermes-esm---React--jsx-spread-0
diff --git a/test/__file_snapshots__/esmodules--Regression--Flow-void-class-properties-0 b/test/__file_snapshots__/hermes-esm---Regression--Flow-void-class-properties-0
similarity index 100%
rename from test/__file_snapshots__/esmodules--Regression--Flow-void-class-properties-0
rename to test/__file_snapshots__/hermes-esm---Regression--Flow-void-class-properties-0
diff --git a/test/__file_snapshots__/hermes-esm---Regression--Webpack-magic-comments-0 b/test/__file_snapshots__/hermes-esm---Regression--Webpack-magic-comments-0
new file mode 100644
index 0000000..603181a
--- /dev/null
+++ b/test/__file_snapshots__/hermes-esm---Regression--Webpack-magic-comments-0
@@ -0,0 +1 @@
+import('bar');
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-esm---Regression--react-docgen-comments-0 b/test/__file_snapshots__/hermes-esm---Regression--react-docgen-comments-0
new file mode 100644
index 0000000..e49bbd7
--- /dev/null
+++ b/test/__file_snapshots__/hermes-esm---Regression--react-docgen-comments-0
@@ -0,0 +1 @@
+function Foo() {}
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---ES--Array.flatMap-0 b/test/__file_snapshots__/hermes-node---ES--Array.flatMap-0
new file mode 100644
index 0000000..28704f9
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---ES--Array.flatMap-0
@@ -0,0 +1,3 @@
+"use strict";
+
+[1, 2].flatMap(x => [x * 2]);
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---ES--Object.entries-0 b/test/__file_snapshots__/hermes-node---ES--Object.entries-0
new file mode 100644
index 0000000..6b918f8
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---ES--Object.entries-0
@@ -0,0 +1,5 @@
+"use strict";
+
+Object.entries({
+  a: 1
+});
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---ES--Promise.allSettled-0 b/test/__file_snapshots__/hermes-node---ES--Promise.allSettled-0
new file mode 100644
index 0000000..53523ce
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---ES--Promise.allSettled-0
@@ -0,0 +1,3 @@
+"use strict";
+
+Promise.allSettled([Promise.resolve(1), Promise.resolve(2)]).then(rs => rs.forEach(r => console.log(r.status)));
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---ES--Runtime-ponyfills-0 b/test/__file_snapshots__/hermes-node---ES--Runtime-ponyfills-0
new file mode 100644
index 0000000..702793a
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---ES--Runtime-ponyfills-0
@@ -0,0 +1,5 @@
+"use strict";
+
+new Map();
+new Set();
+new Promise();
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---ES--async-await-0 b/test/__file_snapshots__/hermes-node---ES--async-await-0
new file mode 100644
index 0000000..1441db4
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---ES--async-await-0
@@ -0,0 +1,5 @@
+"use strict";
+
+(async function () {
+  await foo();
+})();
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---ES--class-properties-0 b/test/__file_snapshots__/hermes-node---ES--class-properties-0
new file mode 100644
index 0000000..5b37c3f
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---ES--class-properties-0
@@ -0,0 +1,5 @@
+"use strict";
+
+class A {
+  a = () => 'hello';
+}
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---ES--dynamic-imports-0 b/test/__file_snapshots__/hermes-node---ES--dynamic-imports-0
new file mode 100644
index 0000000..31eafbf
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---ES--dynamic-imports-0
@@ -0,0 +1,5 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault").default;
+var _interopRequireWildcard2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/interopRequireWildcard"));
+Promise.resolve().then(() => (0, _interopRequireWildcard2.default)(require('./a')));
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---ES--nullish-coalescing-0 b/test/__file_snapshots__/hermes-node---ES--nullish-coalescing-0
new file mode 100644
index 0000000..f038f1a
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---ES--nullish-coalescing-0
@@ -0,0 +1,4 @@
+"use strict";
+
+let obj = {};
+let foo = obj.foo ?? 'default';
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---ES--object-rest-spread-0 b/test/__file_snapshots__/hermes-node---ES--object-rest-spread-0
new file mode 100644
index 0000000..804b456
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---ES--object-rest-spread-0
@@ -0,0 +1,5 @@
+"use strict";
+
+let b = {
+  ...a
+};
\ No newline at end of file
diff --git a/test/__file_snapshots__/node--optional-chaining-0 b/test/__file_snapshots__/hermes-node---ES--optional-chaining-0
similarity index 100%
rename from test/__file_snapshots__/node--optional-chaining-0
rename to test/__file_snapshots__/hermes-node---ES--optional-chaining-0
diff --git a/test/__file_snapshots__/hermes-node---ES--static-class-properties-0 b/test/__file_snapshots__/hermes-node---ES--static-class-properties-0
new file mode 100644
index 0000000..3b35c7b
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---ES--static-class-properties-0
@@ -0,0 +1,5 @@
+"use strict";
+
+class A {
+  static a = 'hello';
+}
\ No newline at end of file
diff --git a/test/__file_snapshots__/node--Flow-Conditional-Types-0 b/test/__file_snapshots__/hermes-node---Flow--Conditional-Types-0
similarity index 100%
rename from test/__file_snapshots__/node--Flow-Conditional-Types-0
rename to test/__file_snapshots__/hermes-node---Flow--Conditional-Types-0
diff --git a/test/__file_snapshots__/hermes-node---Flow--Mapped-Types-0 b/test/__file_snapshots__/hermes-node---Flow--Mapped-Types-0
new file mode 100644
index 0000000..9a390c3
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---Flow--Mapped-Types-0
@@ -0,0 +1 @@
+"use strict";
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---Flow--Type-Casting-0 b/test/__file_snapshots__/hermes-node---Flow--Type-Casting-0
new file mode 100644
index 0000000..133c211
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---Flow--Type-Casting-0
@@ -0,0 +1,7 @@
+"use strict";
+
+let val = value;
+let obj = {
+  prop: value
+};
+let arr = [value, value];
\ No newline at end of file
diff --git a/test/__file_snapshots__/node--Flow-Type-Guards-0 b/test/__file_snapshots__/hermes-node---Flow--Type-Guards-0
similarity index 100%
rename from test/__file_snapshots__/node--Flow-Type-Guards-0
rename to test/__file_snapshots__/hermes-node---Flow--Type-Guards-0
diff --git a/test/__file_snapshots__/hermes-node---Flow--Types-0 b/test/__file_snapshots__/hermes-node---Flow--Types-0
new file mode 100644
index 0000000..d26d019
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---Flow--Types-0
@@ -0,0 +1,3 @@
+"use strict";
+
+let a = 'hello';
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---React--class-component-0 b/test/__file_snapshots__/hermes-node---React--class-component-0
new file mode 100644
index 0000000..d059f30
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---React--class-component-0
@@ -0,0 +1,23 @@
+"use strict";
+
+var _react = require("react");
+var _jsxRuntime = require("react/jsx-runtime");
+class Button extends _react.Component {
+  handleClick = async evt => {
+    evt.preventDefault();
+    await fetch('/foo');
+  };
+  render() {
+    const {
+      type = 'button',
+      children,
+      ...extraProps
+    } = this.props;
+    return /*#__PURE__*/(0, _jsxRuntime.jsx)("button", {
+      type: type,
+      onClick: this.handleClick,
+      ...extraProps,
+      children: children
+    });
+  }
+}
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---React--function-component-0 b/test/__file_snapshots__/hermes-node---React--function-component-0
new file mode 100644
index 0000000..999ce46
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---React--function-component-0
@@ -0,0 +1,14 @@
+"use strict";
+
+var _jsxRuntime = require("react/jsx-runtime");
+function Button({
+  type = 'button',
+  children,
+  ...extraProps
+}) {
+  return /*#__PURE__*/(0, _jsxRuntime.jsx)("button", {
+    type: type,
+    ...extraProps,
+    children: children
+  });
+}
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---React--jsx-0 b/test/__file_snapshots__/hermes-node---React--jsx-0
new file mode 100644
index 0000000..326c48d
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---React--jsx-0
@@ -0,0 +1,6 @@
+"use strict";
+
+var _jsxRuntime = require("react/jsx-runtime");
+let A = () => /*#__PURE__*/(0, _jsxRuntime.jsx)("div", {
+  children: "hello"
+});
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---React--jsx-spread-0 b/test/__file_snapshots__/hermes-node---React--jsx-spread-0
new file mode 100644
index 0000000..2df9341
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---React--jsx-spread-0
@@ -0,0 +1,8 @@
+"use strict";
+
+var _jsxRuntime = require("react/jsx-runtime");
+/*#__PURE__*/(0, _jsxRuntime.jsx)("div", {
+  a: true,
+  ...b,
+  children: "hello"
+});
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---Regression--Flow-void-class-properties-0 b/test/__file_snapshots__/hermes-node---Regression--Flow-void-class-properties-0
new file mode 100644
index 0000000..d9c55f7
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---Regression--Flow-void-class-properties-0
@@ -0,0 +1,3 @@
+"use strict";
+
+class C {}
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---Regression--Webpack-magic-comments-0 b/test/__file_snapshots__/hermes-node---Regression--Webpack-magic-comments-0
new file mode 100644
index 0000000..66cd87e
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---Regression--Webpack-magic-comments-0
@@ -0,0 +1,5 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault").default;
+var _interopRequireWildcard2 = _interopRequireDefault(require("@babel/runtime-corejs3/helpers/interopRequireWildcard"));
+Promise.resolve().then(() => (0, _interopRequireWildcard2.default)(require('bar')));
\ No newline at end of file
diff --git a/test/__file_snapshots__/hermes-node---Regression--react-docgen-comments-0 b/test/__file_snapshots__/hermes-node---Regression--react-docgen-comments-0
new file mode 100644
index 0000000..02cb984
--- /dev/null
+++ b/test/__file_snapshots__/hermes-node---Regression--react-docgen-comments-0
@@ -0,0 +1,3 @@
+"use strict";
+
+function Foo() {}
\ No newline at end of file
diff --git a/test/babel.spec.js b/test/babel.spec.js
new file mode 100644
index 0000000..7c51d7c
--- /dev/null
+++ b/test/babel.spec.js
@@ -0,0 +1,40 @@
+const { transform } = require('@babel/core');
+const { toMatchFile } = require('jest-file-snapshot');
+
+const preset = require('../');
+
+const es = require('./fixtures/es');
+const flow = require('./fixtures/flow');
+const react = require('./fixtures/react');
+const regressions = require('./fixtures/regressions');
+
+let cases = [...es, ...flow, ...react, ...regressions];
+
+expect.extend({ toMatchFile });
+
+describe('babel', () => {
+  test.each(cases)('cjsm > %s', (name, input) => {
+    let { code } = transform(input, {
+      presets: [preset],
+    });
+
+    expect(code).toMatchFile();
+  });
+
+  test.each(cases)('esm > %s', (name, input) => {
+    let { code } = transform(input, {
+      presets: [[preset, { modules: false }]],
+    });
+
+    expect(code).toMatchFile();
+  });
+
+  test.each(cases)('node > %s', (name, input) => {
+    let { code } = transform(input, {
+      targets: { node: 22 },
+      presets: [preset],
+    });
+
+    expect(code).toMatchFile();
+  });
+});
diff --git a/test/fixtures/es.js b/test/fixtures/es.js
new file mode 100644
index 0000000..f1b5622
--- /dev/null
+++ b/test/fixtures/es.js
@@ -0,0 +1,89 @@
+module.exports = [
+  [
+    'ES: object rest spread',
+    `
+      let b = {...a}
+    `,
+  ],
+  [
+    'ES: class properties',
+    `
+      class A { a = () => 'hello' }
+    `,
+  ],
+  [
+    'ES: static class properties',
+    `
+      class A { static a = 'hello' }
+    `,
+  ],
+  [
+    'ES: dynamic imports',
+    `
+      import('./a')
+    `,
+  ],
+  [
+    'ES: optional chaining',
+    `
+    let obj = {
+      foo: {
+        bar: {
+          baz: 42,
+        },
+      },
+    };
+
+    let baz = obj?.foo?.bar?.baz; // 42
+
+    let safe = obj?.qux?.baz; // undefined
+    `,
+  ],
+  [
+    'ES: nullish coalescing',
+    `
+    let obj = {};
+
+    let foo = obj.foo ?? 'default';
+    `,
+  ],
+  [
+    'ES: async await',
+    `
+    (async function() {
+      await foo();
+    }());
+    `,
+  ],
+  [
+    'ES: Runtime ponyfills',
+    `
+      new Map()
+      new Set()
+      new Promise()
+    `,
+  ],
+
+  [
+    'ES: Promise.allSettled',
+    `
+    Promise.allSettled([
+      Promise.resolve(1),
+      Promise.resolve(2),
+    ])
+    .then((rs) => rs.forEach((r) => console.log(r.status)));
+    `,
+  ],
+  [
+    'ES: Object.entries',
+    `
+    Object.entries({ a: 1 });
+    `,
+  ],
+  [
+    'ES: Array.flatMap',
+    `
+    [1, 2].flatMap(x => [x * 2])
+    `,
+  ],
+];
diff --git a/test/fixtures/flow-syntax.js b/test/fixtures/flow-syntax.js
new file mode 100644
index 0000000..bc27e0f
--- /dev/null
+++ b/test/fixtures/flow-syntax.js
@@ -0,0 +1,31 @@
+module.exports = [
+  [
+    'Flow: Type Guards',
+    `
+    function foo(node: any): node is Node {}
+    `,
+  ],
+  [
+    'Flow: Conditional Types',
+    `
+    class Vehicle {}
+    class Car {}
+    type Test = Car extends Vehicle ? 'yep' : 'nope'
+    `,
+  ],
+  [
+    'Flow: Type Casting',
+    `
+    let val = value as Type
+    let obj = { prop: value as Type }
+    let arr = [value as Type, value as Type] as Array<Type>
+    `,
+  ],
+  [
+    'Flow: Mapped Types',
+    `
+    type Union = 'foo' | 'bar' | 'baz'
+    type MappedType = {[key in Union]: number}
+    `,
+  ],
+];
diff --git a/test/fixtures/flow.js b/test/fixtures/flow.js
new file mode 100644
index 0000000..f15950a
--- /dev/null
+++ b/test/fixtures/flow.js
@@ -0,0 +1,10 @@
+module.exports = [
+  [
+    'Flow: Types',
+    `
+      // @flow
+      type A = string
+      let a: A = 'hello'
+    `,
+  ],
+];
diff --git a/test/fixtures/react.js b/test/fixtures/react.js
new file mode 100644
index 0000000..e2b3586
--- /dev/null
+++ b/test/fixtures/react.js
@@ -0,0 +1,50 @@
+module.exports = [
+  [
+    'React: jsx',
+    `
+      let A = () => <div>hello</div>
+    `,
+  ],
+  [
+    'React: jsx spread',
+    `
+      <div a {...b}>hello</div>
+    `,
+  ],
+
+  [
+    'React: function component',
+    `
+      function Button({ type = 'button', children, ...extraProps }) {
+        return (
+          <button type={type} {...extraProps}>
+            {children}
+          </button>
+        );
+      }
+    `,
+  ],
+  [
+    'React: class component',
+    `
+      import { Component } from 'react';
+
+      class Button extends Component {
+        handleClick = async (evt) => {
+          evt.preventDefault();
+          await fetch('/foo');
+        }
+
+        render() {
+          const { type = 'button', children, ...extraProps } = this.props;
+
+          return (
+            <button type={type} onClick={this.handleClick} {...extraProps}>
+              {children}
+            </button>
+          );
+        }
+      }
+    `,
+  ],
+];
diff --git a/test/fixtures/regressions.js b/test/fixtures/regressions.js
new file mode 100644
index 0000000..2e4f027
--- /dev/null
+++ b/test/fixtures/regressions.js
@@ -0,0 +1,25 @@
+module.exports = [
+  [
+    'Regression: Flow void class properties',
+    `
+      // @flow
+      type Props = {}
+      class C {
+        props: Props
+      }
+    `,
+  ],
+  [
+    'Regression: Webpack magic comments',
+    `
+      import(/* webpackChunkName: foo */'bar')
+    `,
+  ],
+  [
+    'Regression: react-docgen comments',
+    `
+      /**  @component */
+      function Foo() {}
+    `,
+  ],
+];
diff --git a/test/hermes.spec.js b/test/hermes.spec.js
new file mode 100644
index 0000000..d2ebe43
--- /dev/null
+++ b/test/hermes.spec.js
@@ -0,0 +1,41 @@
+const { transform } = require('@babel/core');
+const { toMatchFile } = require('jest-file-snapshot');
+
+const preset = require('../');
+
+const es = require('./fixtures/es');
+const flow = require('./fixtures/flow');
+const syntax = require('./fixtures/flow-syntax');
+const react = require('./fixtures/react');
+const regressions = require('./fixtures/regressions');
+
+let cases = [...es, ...flow, ...syntax, ...react, ...regressions];
+
+expect.extend({ toMatchFile });
+
+describe('hermes', () => {
+  test.each(cases)('cjsm > %s', (name, input) => {
+    let { code } = transform(input, {
+      presets: [[preset, { parser: 'hermes' }]],
+    });
+
+    expect(code).toMatchFile();
+  });
+
+  test.each(cases)('esm > %s', (name, input) => {
+    let { code } = transform(input, {
+      presets: [[preset, { parser: 'hermes', modules: false }]],
+    });
+
+    expect(code).toMatchFile();
+  });
+
+  test.each(cases)('node > %s', (name, input) => {
+    let { code } = transform(input, {
+      targets: { node: 22 },
+      presets: [[preset, { parser: 'hermes' }]],
+    });
+
+    expect(code).toMatchFile();
+  });
+});
diff --git a/test/index.spec.js b/test/index.spec.js
deleted file mode 100644
index 3eeb411..0000000
--- a/test/index.spec.js
+++ /dev/null
@@ -1,231 +0,0 @@
-const { transform } = require('@babel/core');
-const { toMatchFile } = require('jest-file-snapshot');
-const browserslist = require('browserslist');
-
-const preset = require('../');
-
-expect.extend({ toMatchFile });
-
-let cases = [
-  [
-    'flow',
-    `
-      // @flow
-      type A = string
-      let a: A = 'hello'
-    `,
-  ],
-  [
-    'jsx',
-    `
-      let A = () => <div>hello</div>
-    `,
-  ],
-  [
-    'jsx spread',
-    `
-      <div a {...b}>hello</div>
-    `,
-  ],
-  [
-    'object rest spread',
-    `
-      let b = {...a}
-    `,
-  ],
-  [
-    'class properties',
-    `
-      class A { a = () => 'hello' }
-    `,
-  ],
-  [
-    'static class properties',
-    `
-      class A { static a = 'hello' }
-    `,
-  ],
-  [
-    'dynamic imports',
-    `
-      import('./a')
-    `,
-  ],
-  [
-    'optional chaining',
-    `
-    let obj = {
-      foo: {
-        bar: {
-          baz: 42,
-        },
-      },
-    };
-
-    let baz = obj?.foo?.bar?.baz; // 42
-
-    let safe = obj?.qux?.baz; // undefined
-    `,
-  ],
-  [
-    'nullish coalescing',
-    `
-    let obj = {};
-
-    let foo = obj.foo ?? 'default';
-    `,
-  ],
-  [
-    'async await',
-    `
-    (async function() {
-      await foo();
-    }());
-    `,
-  ],
-  [
-    'Runtime ponyfills',
-    `
-      new Map()
-      new Set()
-      new Promise()
-    `,
-  ],
-  [
-    'Regression: Flow void class properties',
-    `
-      // @flow
-      type Props = {}
-      class C {
-        props: Props
-      }
-    `,
-  ],
-  [
-    'React function component',
-    `
-      function Button({ type = 'button', children, ...extraProps }) {
-        return (
-          <button type={type} {...extraProps}>
-            {children}
-          </button>
-        );
-      }
-    `,
-  ],
-  [
-    'React class component',
-    `
-      import { Component } from 'react';
-
-      class Button extends Component {
-        handleClick = async (evt) => {
-          evt.preventDefault();
-          await fetch('/foo');
-        }
-
-        render() {
-          const { type = 'button', children, ...extraProps } = this.props;
-
-          return (
-            <button type={type} onClick={this.handleClick} {...extraProps}>
-              {children}
-            </button>
-          );
-        }
-      }
-    `,
-  ],
-  [
-    'Promise.allSettled',
-    `
-    Promise.allSettled([
-      Promise.resolve(1),
-      Promise.resolve(2),
-    ])
-    .then((rs) => rs.forEach((r) => console.log(r.status)));
-    `,
-  ],
-  [
-    'Object.entries',
-    `
-    Object.entries({ a: 1 });
-    `,
-  ],
-  [
-    'Array.flatMap',
-    `
-    [1, 2].flatMap(x => [x * 2])
-    `,
-  ],
-  [
-    'Flow Type Guards',
-    `
-    function foo(node: any): node is Node {}
-    `,
-  ],
-  [
-    'Flow Conditional Types',
-    `
-    class Vehicle {}
-    class Car {}
-    type Test = Car extends Vehicle ? 'yep' : 'nope'
-    `,
-  ],
-];
-
-test.each(cases)('cjsm: %s', (name, input) => {
-  let { code } = transform(input, {
-    targets: { browsers: 'defaults' },
-    presets: [preset],
-  });
-
-  expect(code).toMatchFile();
-});
-
-test.each(cases)('esm: %s', (name, input) => {
-  let { code } = transform(input, {
-    targets: { browsers: 'defaults' },
-    presets: [[preset, { modules: false }]],
-  });
-
-  expect(code).toMatchFile();
-});
-
-test.each(cases)('esmodules: %s', (name, input) => {
-  let { code } = transform(input, {
-    targets: { browsers: 'defaults', esmodules: true },
-    presets: [[preset, { modules: false }]],
-  });
-
-  expect(code).toMatchFile();
-});
-
-test.each(cases)('node: %s', (name, input) => {
-  let { code } = transform(input, {
-    targets: { node: 22 },
-    presets: [preset],
-  });
-
-  expect(code).toMatchFile();
-});
-
-test('targets', () => {
-  let {
-    options: { targets },
-  } = transform('', {
-    targets: { browsers: 'defaults' },
-    presets: [[preset, { modules: false }]],
-  });
-
-  let browsers = browserslist('defaults');
-
-  let result = [
-    '// Babel targets',
-    JSON.stringify(targets, null, 2),
-    '// Browerslist targets',
-    JSON.stringify(browsers, null, 2),
-  ].join('\n');
-
-  expect(result).toMatchFile();
-});
diff --git a/test/targets.spec.js b/test/targets.spec.js
new file mode 100644
index 0000000..b8fa8fc
--- /dev/null
+++ b/test/targets.spec.js
@@ -0,0 +1,27 @@
+const { transform } = require('@babel/core');
+const { toMatchFile } = require('jest-file-snapshot');
+const browserslist = require('browserslist');
+
+const preset = require('../');
+
+expect.extend({ toMatchFile });
+
+test('targets', () => {
+  let {
+    options: { targets },
+  } = transform('', {
+    targets: { browsers: 'defaults' },
+    presets: [[preset, { modules: false }]],
+  });
+
+  let browsers = browserslist('defaults');
+
+  let result = [
+    '// Babel targets',
+    JSON.stringify(targets, null, 2),
+    '// Browerslist targets',
+    JSON.stringify(browsers, null, 2),
+  ].join('\n');
+
+  expect(result).toMatchFile();
+});