metro-react-native-babel-transformer - npm Package Compare versions

Comparing version 0.76.7 to 0.77.0

package.json

 {
   "name": "metro-react-native-babel-transformer",
-  "version": "0.76.7",
+  "version": "0.77.0",
   "description": "Babel transformer for React Native applications.",
@@ -23,4 +23,4 @@ "main": "src/index.js",
     "babel-preset-fbjs": "^3.4.0",
-    "hermes-parser": "0.12.0",
-    "metro-react-native-babel-preset": "0.76.7",
+    "hermes-parser": "0.14.0",
+    "metro-react-native-babel-preset": "0.77.0",
     "nullthrows": "^1.1.1"
@@ -32,4 +32,4 @@ },
   "engines": {
-    "node": ">=16"
+    "node": ">=18"
   }
 }

src/index.js

@@ -12,6 +12,15 @@ /**
 
-// Note: This is a fork of the fb-specific transform.js
+// This file uses Flow comment syntax so that it may be used from source as a
+// transformer without itself requiring transformation, such as in
+// facebook/react-native's own tests.
 
 "use strict";
 
+/*::
+import type {BabelCoreOptions, Plugins, TransformResult} from '@babel/core';
+import type {
+  BabelTransformer,
+  MetroBabelFileMetadata,
+} from 'metro-babel-transformer';
+*/
 const { parseSync, transformFromAstSync } = require("@babel/core");
@@ -30,6 +39,6 @@ const inlineRequiresPlugin = require("babel-preset-fbjs/plugins/inline-requires");
 // TS detection conditions copied from metro-react-native-babel-preset
-function isTypeScriptSource(fileName) {
+function isTypeScriptSource(fileName /*: string */) {
   return !!fileName && fileName.endsWith(".ts");
 }
-function isTSXSource(fileName) {
+function isTSXSource(fileName /*: string */) {
   return !!fileName && fileName.endsWith(".tsx");
@@ -44,3 +53,3 @@ }
 const getBabelRC = (function () {
-  let babelRC = null;
+  let babelRC /*: ?BabelCoreOptions */ = null;
 
@@ -120,10 +129,10 @@ /* $FlowFixMe[missing-local-annot] The type annotation(s) required by Flow's
 function buildBabelConfig(
-  filename,
+  filename /*: string */,
   /* $FlowFixMe[missing-local-annot] The type annotation(s) required by Flow's
    * LTI update could not be added via codemod */
   options,
-  plugins = []
-) {
+  plugins /*:: ?: Plugins*/ = []
+) /*: BabelCoreOptions*/ {
   const babelRC = getBabelRC(options);
-  const extraConfig = {
+  const extraConfig /*: BabelCoreOptions */ = {
     babelrc:
@@ -138,3 +147,3 @@ typeof options.enableBabelRCLookup === "boolean"
   };
-  let config = {
+  let config /*: BabelCoreOptions */ = {
     ...babelRC,
@@ -175,3 +184,8 @@ ...extraConfig,
 }
-const transform = ({ filename, options, src, plugins }) => {
+const transform /*: BabelTransformer['transform'] */ = ({
+  filename,
+  options,
+  src,
+  plugins,
+}) => {
   const OLD_BABEL_ENV = process.env.BABEL_ENV;
@@ -207,3 +221,4 @@ process.env.BABEL_ENV = options.dev
           });
-    const result = transformFromAstSync(sourceAst, src, babelConfig);
+    const result /*: TransformResult<MetroBabelFileMetadata> */ =
+      transformFromAstSync(sourceAst, src, babelConfig);
 
@@ -233,5 +248,6 @@ // The result from `transformFromAstSync` can be null (if the file is ignored)
 }
-module.exports = {
+const babelTransformer /*: BabelTransformer */ = {
   transform,
   getCacheKey,
 };
+module.exports = babelTransformer;

New alerts

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 1 instance in 1 package

Fixed alerts

Environment variable access

Supply chain risk

Package accesses environment variables, which may be a sign of credential stuffing or data theft.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

15864

increased by5.78%

Lines of code

230

increased by7.48%

Worsened metrics

Number of low supply chain risk alerts

9

increased by80%

Dependency changes

• + Addedhermes-estree@0.14.0(transitive)

• + Addedhermes-parser@0.14.0(transitive)

• + Addedmetro-react-native-babel-preset@0.77.0(transitive)

• - Removedhermes-estree@0.12.0(transitive)

• - Removedhermes-parser@0.12.0(transitive)

• - Removedmetro-react-native-babel-preset@0.76.7(transitive)

• Updatedhermes-parser@0.14.0

• Updatedmetro-react-native-babel-preset@0.77.0