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

Comparing version 0.73.7 to 0.73.8

package.json

 {
   "name": "@react-native/metro-babel-transformer",
-  "version": "0.73.7",
+  "version": "0.73.8",
   "description": "Babel transformer for React Native applications.",
-  "main": "src/index.js",
+  "exports": {
+    ".": "./src/index.js",
+    "./package.json": "./package.json"
+  },
+  "files": [
+    "src"
+  ],
   "repository": {
@@ -11,10 +17,2 @@ "type": "git",
   },
-  "scripts": {
-    "prepare-release": "test -d lib && mv src src.real && mv lib src",
-    "cleanup-release": "test ! -e lib && mv src lib && mv src.real src && rimraf lib",
-    "build-clean": "rimraf build && rimraf src.real",
-    "build": " node scripts/build.js --verbose",
-    "prepare": "yarn run build-clean && yarn run build && yarn run prepare-release",
-    "postpublish": "yarn run cleanup-release"
-  },
   "keywords": [
@@ -33,20 +31,2 @@ "transformer",
   },
-  "devDependencies": {
-    "@babel/plugin-proposal-class-properties": "^7.18.0",
-    "@babel/plugin-proposal-nullish-coalescing-operator": "^7.18.0",
-    "@babel/plugin-proposal-object-rest-spread": "^7.20.0",
-    "@babel/plugin-proposal-optional-chaining": "^7.20.0",
-    "@babel/plugin-syntax-dynamic-import": "^7.8.0",
-    "@babel/plugin-transform-async-to-generator": "^7.20.0",
-    "@babel/plugin-transform-destructuring": "^7.20.0",
-    "@babel/plugin-transform-flow-strip-types": "^7.20.0",
-    "@babel/preset-env": "^7.20.0",
-    "chalk": "^4.0.0",
-    "glob": "^7.1.1",
-    "invariant": "^2.2.4",
-    "micromatch": "^4.0.4",
-    "mkdirp": "^0.5.1",
-    "prettier": "2.8.8",
-    "rimraf": "^3.0.2"
-  },
   "peerDependencies": {
@@ -53,0 +33,0 @@ "@babel/core": "*"

src/index.js

@@ -7,3 +7,3 @@ /**
  *
- *
+ * @flow
  * @format
@@ -26,96 +26,4 @@ * @oncall react_native
 */
-const _excluded = ['projectRoot', 'extendsBabelConfigPath'],
-  _excluded2 = ['experimentalImportSupport'];
-function ownKeys(object, enumerableOnly) {
-  var keys = Object.keys(object);
-  if (Object.getOwnPropertySymbols) {
-    var symbols = Object.getOwnPropertySymbols(object);
-    enumerableOnly &&
-      (symbols = symbols.filter(function (sym) {
-        return Object.getOwnPropertyDescriptor(object, sym).enumerable;
-      })),
-      keys.push.apply(keys, symbols);
-  }
-  return keys;
-}
-function _objectSpread(target) {
-  for (var i = 1; i < arguments.length; i++) {
-    var source = null != arguments[i] ? arguments[i] : {};
-    i % 2
-      ? ownKeys(Object(source), !0).forEach(function (key) {
-          _defineProperty(target, key, source[key]);
-        })
-      : Object.getOwnPropertyDescriptors
-      ? Object.defineProperties(
-          target,
-          Object.getOwnPropertyDescriptors(source),
-        )
-      : ownKeys(Object(source)).forEach(function (key) {
-          Object.defineProperty(
-            target,
-            key,
-            Object.getOwnPropertyDescriptor(source, key),
-          );
-        });
-  }
-  return target;
-}
-function _defineProperty(obj, key, value) {
-  key = _toPropertyKey(key);
-  if (key in obj) {
-    Object.defineProperty(obj, key, {
-      value: value,
-      enumerable: true,
-      configurable: true,
-      writable: true,
-    });
-  } else {
-    obj[key] = value;
-  }
-  return obj;
-}
-function _toPropertyKey(arg) {
-  var key = _toPrimitive(arg, 'string');
-  return typeof key === 'symbol' ? key : String(key);
-}
-function _toPrimitive(input, hint) {
-  if (typeof input !== 'object' || input === null) return input;
-  var prim = input[Symbol.toPrimitive];
-  if (prim !== undefined) {
-    var res = prim.call(input, hint || 'default');
-    if (typeof res !== 'object') return res;
-    throw new TypeError('@@toPrimitive must return a primitive value.');
-  }
-  return (hint === 'string' ? String : Number)(input);
-}
-function _objectWithoutProperties(source, excluded) {
-  if (source == null) return {};
-  var target = _objectWithoutPropertiesLoose(source, excluded);
-  var key, i;
-  if (Object.getOwnPropertySymbols) {
-    var sourceSymbolKeys = Object.getOwnPropertySymbols(source);
-    for (i = 0; i < sourceSymbolKeys.length; i++) {
-      key = sourceSymbolKeys[i];
-      if (excluded.indexOf(key) >= 0) continue;
-      if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue;
-      target[key] = source[key];
-    }
-  }
-  return target;
-}
-function _objectWithoutPropertiesLoose(source, excluded) {
-  if (source == null) return {};
-  var target = {};
-  var sourceKeys = Object.keys(source);
-  var key, i;
-  for (i = 0; i < sourceKeys.length; i++) {
-    key = sourceKeys[i];
-    if (excluded.indexOf(key) >= 0) continue;
-    target[key] = source[key];
-  }
-  return target;
-}
-const _require = require('@babel/core'),
-  parseSync = _require.parseSync,
-  transformFromAstSync = _require.transformFromAstSync;
+
+const {parseSync, transformFromAstSync} = require('@babel/core');
 const inlineRequiresPlugin = require('babel-preset-fbjs/plugins/inline-requires');
@@ -127,2 +35,3 @@ const crypto = require('crypto');
 const path = require('path');
+
 const cacheKeyParts = [
@@ -137,2 +46,3 @@ fs.readFileSync(__filename),
 }
+
 function isTSXSource(fileName /*: string */) {
@@ -152,9 +62,11 @@ return !!fileName && fileName.endsWith('.tsx');
    * LTI update could not be added via codemod */
-  return function _getBabelRC(_ref) {
-    let projectRoot = _ref.projectRoot,
-      extendsBabelConfigPath = _ref.extendsBabelConfigPath,
-      options = _objectWithoutProperties(_ref, _excluded);
+  return function _getBabelRC({
+    projectRoot,
+    extendsBabelConfigPath,
+    ...options
+  }) {
     if (babelRC != null) {
       return babelRC;
     }
+
     babelRC = {
@@ -164,2 +76,3 @@ plugins: [],
     };
+
     if (extendsBabelConfigPath) {
@@ -176,2 +89,3 @@ return babelRC;
     }
+
     if (projectBabelRCPath) {
@@ -201,4 +115,3 @@ // .babelrc.js
     if (!babelRC.extends) {
-      const experimentalImportSupport = options.experimentalImportSupport,
-        presetOptions = _objectWithoutProperties(options, _excluded2);
+      const {experimentalImportSupport, ...presetOptions} = options;
 
@@ -209,18 +122,12 @@ // $FlowFixMe[incompatible-use] `presets` is missing in null or undefined.
           require('@react-native/babel-preset'),
-          _objectSpread(
-            _objectSpread(
-              {
-                projectRoot,
-              },
-              presetOptions,
-            ),
-            {},
-            {
-              disableImportExportTransform: experimentalImportSupport,
-              enableBabelRuntime: options.enableBabelRuntime,
-            },
-          ),
+          {
+            projectRoot,
+            ...presetOptions,
+            disableImportExportTransform: experimentalImportSupport,
+            enableBabelRuntime: options.enableBabelRuntime,
+          },
         ],
       ];
     }
+
     return babelRC;
@@ -242,2 +149,3 @@ };
   const babelRC = getBabelRC(options);
+
   const extraConfig /*: BabelCoreOptions */ = {
@@ -253,12 +161,15 @@ babelrc:
   };
-  let config /*: BabelCoreOptions */ = _objectSpread(
-    _objectSpread({}, babelRC),
-    extraConfig,
-  );
 
+  let config /*: BabelCoreOptions */ = {
+    ...babelRC,
+    ...extraConfig,
+  };
+
   // Add extra plugins
   const extraPlugins = [];
+
   if (options.inlineRequires) {
     extraPlugins.push(inlineRequiresPlugin);
   }
+
   const withExtrPlugins = (config.plugins = extraPlugins.concat(
@@ -268,2 +179,3 @@ config.plugins,
   ));
+
   if (options.dev && options.hot) {
@@ -277,10 +189,16 @@ // Note: this intentionally doesn't include the path separator because
       filename.indexOf('node_modules') === -1;
+
     if (mayContainEditableReactComponents) {
       const hmrConfig = makeHMRConfig();
       hmrConfig.plugins = withExtrPlugins.concat(hmrConfig.plugins);
-      config = _objectSpread(_objectSpread({}, config), hmrConfig);
+      config = {...config, ...hmrConfig};
     }
   }
-  return _objectSpread(_objectSpread({}, babelRC), config);
+
+  return {
+    ...babelRC,
+    ...config,
+  };
 }
+
 const transform /*: BabelTransformer['transform'] */ = ({
@@ -296,26 +214,17 @@ filename,
     : process.env.BABEL_ENV || 'production';
+
   try {
-    const babelConfig = _objectSpread(
-      _objectSpread(
-        {
-          // ES modules require sourceType='module' but OSS may not always want that
-          sourceType: 'unambiguous',
-        },
-        buildBabelConfig(filename, options, plugins),
-      ),
-      {},
-      {
-        caller: {
-          name: 'metro',
-          bundler: 'metro',
-          platform: options.platform,
-        },
-        ast: true,
-        // NOTE(EvanBacon): We split the parse/transform steps up to accommodate
-        // Hermes parsing, but this defaults to cloning the AST which increases
-        // the transformation time by a fair amount.
-        // You get this behavior by default when using Babel's `transform` method directly.
-        cloneInputAst: false,
-      },
-    );
+    const babelConfig = {
+      // ES modules require sourceType='module' but OSS may not always want that
+      sourceType: 'unambiguous',
+      ...buildBabelConfig(filename, options, plugins),
+      caller: {name: 'metro', bundler: 'metro', platform: options.platform},
+      ast: true,
+
+      // NOTE(EvanBacon): We split the parse/transform steps up to accommodate
+      // Hermes parsing, but this defaults to cloning the AST which increases
+      // the transformation time by a fair amount.
+      // You get this behavior by default when using Babel's `transform` method directly.
+      cloneInputAst: false,
+    };
     const sourceAst =
@@ -330,2 +239,3 @@ isTypeScriptSource(filename) ||
           });
+
     const result /*: TransformResult<MetroBabelFileMetadata> */ =
@@ -338,10 +248,6 @@ transformFromAstSync(sourceAst, src, babelConfig);
        * the function returns here. Discovered when typing `BabelNode`. */
-      return {
-        ast: null,
-      };
+      return {ast: null};
     }
-    return {
-      ast: nullthrows(result.ast),
-      metadata: result.metadata,
-    };
+
+    return {ast: nullthrows(result.ast), metadata: result.metadata};
   } finally {
@@ -353,2 +259,3 @@ if (OLD_BABEL_ENV) {
 };
+
 function getCacheKey() {
@@ -359,2 +266,3 @@ var key = crypto.createHash('md5');
 }
+
 const babelTransformer /*: BabelTransformer */ = {
@@ -364,2 +272,3 @@ transform,
 };
+
 module.exports = babelTransformer;

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Major refactor

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Improved metrics

Dev dependency count

0

decreased by-100%

Number of low supply chain risk alerts

5

decreased by-16.67%

Number of medium supply chain risk alerts

0

decreased by-100%

Worsened metrics

Total package byte prevSize

9544

decreased by-61.76%

Number of package files

3

decreased by-62.5%

Lines of code

267

decreased by-38.34%

No dependency changes