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

Comparing version 0.48.0 to 0.48.1

package.json

 {
   "name": "metro-react-native-babel-preset",
-  "version": "0.48.0",
+  "version": "0.48.1",
   "description": "Babel preset for React Native applications",
@@ -54,5 +54,5 @@ "main": "src/index.js",
     "@babel/template": "^7.0.0",
-    "metro-babel7-plugin-react-transform": "0.48.0",
+    "metro-babel7-plugin-react-transform": "0.48.1",
     "react-transform-hmr": "^1.0.4"
   }
 }

src/configs/hmr.js

@@ -9,16 +9,16 @@ /**
  */
-'use strict';
+"use strict";
 
-var path = require('path');
-var hmrTransform = 'react-transform-hmr/lib/index.js';
+var path = require("path");
+var hmrTransform = "react-transform-hmr/lib/index.js";
 var transformPath = require.resolve(hmrTransform);
 
-module.exports = function (options, filename) {
-  var transform = filename ?
-  './' + path.relative(path.dirname(filename), transformPath) // packager can't handle absolute paths
-  : hmrTransform;
+module.exports = function(options, filename) {
+  var transform = filename
+    ? "./" + path.relative(path.dirname(filename), transformPath) // packager can't handle absolute paths
+    : hmrTransform;
 
   // Fix the module path to use '/' on Windows.
-  if (path.sep === '\\') {
-    transform = transform.replace(/\\/g, '/');
+  if (path.sep === "\\") {
+    transform = transform.replace(/\\/g, "/");
   }
@@ -28,16 +28,16 @@
     plugins: [
-    [
-    require('metro-babel7-plugin-react-transform'),
-    {
-      transforms: [
-      {
-        transform,
-        imports: ['react'],
-        locals: ['module'] }] }]] };
-
-
-
-
-
-
-};
+      [
+        require("metro-babel7-plugin-react-transform"),
+        {
+          transforms: [
+            {
+              transform,
+              imports: ["react"],
+              locals: ["module"]
+            }
+          ]
+        }
+      ]
+    ]
+  };
+};

src/configs/main.js

@@ -10,92 +10,115 @@ /**
 
-'use strict';var _extends = Object.assign || function (target) {for (var i = 1; i < arguments.length; i++) {var source = arguments[i];for (var key in source) {if (Object.prototype.hasOwnProperty.call(source, key)) {target[key] = source[key];}}}return target;};
+"use strict";
+var _extends =
+  Object.assign ||
+  function(target) {
+    for (var i = 1; i < arguments.length; i++) {
+      var source = arguments[i];
+      for (var key in source) {
+        if (Object.prototype.hasOwnProperty.call(source, key)) {
+          target[key] = source[key];
+        }
+      }
+    }
+    return target;
+  };
 
 function isTypeScriptSource(fileName) {
-  return !!fileName && fileName.endsWith('.ts');
+  return !!fileName && fileName.endsWith(".ts");
 }
 
 function isTSXSource(fileName) {
-  return !!fileName && fileName.endsWith('.tsx');
+  return !!fileName && fileName.endsWith(".tsx");
 }
 
 const defaultPlugins = [
-[require('@babel/plugin-proposal-optional-catch-binding')],
-[require('@babel/plugin-transform-block-scoping')],
-// the flow strip types plugin must go BEFORE class properties!
-// there'll be a test case that fails if you don't.
-[require('@babel/plugin-transform-flow-strip-types')],
-[
-require('@babel/plugin-proposal-class-properties'),
-// use `this.foo = bar` instead of `this.defineProperty('foo', ...)`
-{ loose: true }],
+  [require("@babel/plugin-proposal-optional-catch-binding")],
+  [require("@babel/plugin-transform-block-scoping")],
+  // the flow strip types plugin must go BEFORE class properties!
+  // there'll be a test case that fails if you don't.
+  [require("@babel/plugin-transform-flow-strip-types")],
+  [
+    require("@babel/plugin-proposal-class-properties"),
+    // use `this.foo = bar` instead of `this.defineProperty('foo', ...)`
+    { loose: true }
+  ],
 
-[require('@babel/plugin-syntax-dynamic-import')],
-[require('@babel/plugin-syntax-export-default-from')],
-[require('@babel/plugin-transform-computed-properties')],
-[require('@babel/plugin-transform-destructuring')],
-[require('@babel/plugin-transform-function-name')],
-[require('@babel/plugin-transform-literals')],
-[require('@babel/plugin-transform-parameters')],
-[require('@babel/plugin-transform-shorthand-properties')],
-[require('@babel/plugin-transform-react-jsx')],
-[require('@babel/plugin-transform-regenerator')],
-[require('@babel/plugin-transform-sticky-regex')],
-[require('@babel/plugin-transform-unicode-regex')]];
+  [require("@babel/plugin-syntax-dynamic-import")],
+  [require("@babel/plugin-syntax-export-default-from")],
+  [require("@babel/plugin-transform-computed-properties")],
+  [require("@babel/plugin-transform-destructuring")],
+  [require("@babel/plugin-transform-function-name")],
+  [require("@babel/plugin-transform-literals")],
+  [require("@babel/plugin-transform-parameters")],
+  [require("@babel/plugin-transform-shorthand-properties")],
+  [require("@babel/plugin-transform-react-jsx")],
+  [require("@babel/plugin-transform-regenerator")],
+  [require("@babel/plugin-transform-sticky-regex")],
+  [require("@babel/plugin-transform-unicode-regex")]
+];
 
-
 const es2015ExportDefault = [
-require('@babel/plugin-proposal-export-default-from')];
+  require("@babel/plugin-proposal-export-default-from")
+];
 
-
 const es2015ImportExport = [
-require('@babel/plugin-transform-modules-commonjs'),
-{
-  strict: false,
-  strictMode: false, // prevent "use strict" injections
-  allowTopLevelThis: true // dont rewrite global `this` -> `undefined`
-}];
+  require("@babel/plugin-transform-modules-commonjs"),
+  {
+    strict: false,
+    strictMode: false, // prevent "use strict" injections
+    allowTopLevelThis: true // dont rewrite global `this` -> `undefined`
+  }
+];
 
-
 const es2015ArrowFunctions = [
-require('@babel/plugin-transform-arrow-functions')];
+  require("@babel/plugin-transform-arrow-functions")
+];
 
-const es2015Classes = [require('@babel/plugin-transform-classes')];
-const es2015ForOf = [require('@babel/plugin-transform-for-of'), { loose: true }];
-const es2015Spread = [require('@babel/plugin-transform-spread')];
+const es2015Classes = [require("@babel/plugin-transform-classes")];
+const es2015ForOf = [
+  require("@babel/plugin-transform-for-of"),
+  { loose: true }
+];
+const es2015Spread = [require("@babel/plugin-transform-spread")];
 const es2015TemplateLiterals = [
-require('@babel/plugin-transform-template-literals'),
-{ loose: true }];
+  require("@babel/plugin-transform-template-literals"),
+  { loose: true }
+];
 
 const exponentiationOperator = [
-require('@babel/plugin-transform-exponentiation-operator')];
+  require("@babel/plugin-transform-exponentiation-operator")
+];
 
-const objectAssign = [require('@babel/plugin-transform-object-assign')];
-const objectRestSpread = [require('@babel/plugin-proposal-object-rest-spread')];
+const objectAssign = [require("@babel/plugin-transform-object-assign")];
+const objectRestSpread = [require("@babel/plugin-proposal-object-rest-spread")];
 const nullishCoalescingOperator = [
-require('@babel/plugin-proposal-nullish-coalescing-operator'),
-{ loose: true }];
+  require("@babel/plugin-proposal-nullish-coalescing-operator"),
+  { loose: true }
+];
 
 const optionalChaining = [
-require('@babel/plugin-proposal-optional-chaining'),
-{ loose: true }];
+  require("@babel/plugin-proposal-optional-chaining"),
+  { loose: true }
+];
 
 const reactDisplayName = [
-require('@babel/plugin-transform-react-display-name')];
+  require("@babel/plugin-transform-react-display-name")
+];
 
-const reactJsxSource = [require('@babel/plugin-transform-react-jsx-source')];
-const symbolMember = [require('../transforms/transform-symbol-member')];
+const reactJsxSource = [require("@babel/plugin-transform-react-jsx-source")];
+const symbolMember = [require("../transforms/transform-symbol-member")];
 
 const babelRuntime = [
-require('@babel/plugin-transform-runtime'),
-{
-  helpers: true,
-  regenerator: true }];
+  require("@babel/plugin-transform-runtime"),
+  {
+    helpers: true,
+    regenerator: true
+  }
+];
 
-
-
 const getPreset = (src, options) => {
   const isNull = src == null;
-  const hasClass = isNull || src.indexOf('class') !== -1;
+  const hasClass = isNull || src.indexOf("class") !== -1;
   const hasForOf =
-  isNull || src.indexOf('for') !== -1 && src.indexOf('of') !== -1;
+    isNull || (src.indexOf("for") !== -1 && src.indexOf("of") !== -1);
 
@@ -111,16 +134,16 @@ const extraPlugins = [];
   }
-  if (isNull || src.indexOf('=>') !== -1) {
+  if (isNull || src.indexOf("=>") !== -1) {
     extraPlugins.push(es2015ArrowFunctions);
   }
-  if (isNull || hasClass || src.indexOf('...') !== -1) {
+  if (isNull || hasClass || src.indexOf("...") !== -1) {
     extraPlugins.push(es2015Spread);
     extraPlugins.push(objectRestSpread);
   }
-  if (isNull || src.indexOf('`') !== -1) {
+  if (isNull || src.indexOf("`") !== -1) {
     extraPlugins.push(es2015TemplateLiterals);
   }
-  if (isNull || src.indexOf('**') !== -1) {
+  if (isNull || src.indexOf("**") !== -1) {
     extraPlugins.push(exponentiationOperator);
   }
-  if (isNull || src.indexOf('Object.assign') !== -1) {
+  if (isNull || src.indexOf("Object.assign") !== -1) {
     extraPlugins.push(objectAssign);
@@ -131,16 +154,16 @@ }
   }
-  if (hasForOf || src.indexOf('Symbol') !== -1) {
+  if (hasForOf || src.indexOf("Symbol") !== -1) {
     extraPlugins.push(symbolMember);
   }
   if (
-  isNull ||
-  src.indexOf('React.createClass') !== -1 ||
-  src.indexOf('createReactClass') !== -1)
-  {
+    isNull ||
+    src.indexOf("React.createClass") !== -1 ||
+    src.indexOf("createReactClass") !== -1
+  ) {
     extraPlugins.push(reactDisplayName);
   }
-  if (isNull || src.indexOf('?.') !== -1) {
+  if (isNull || src.indexOf("?.") !== -1) {
     extraPlugins.push(optionalChaining);
   }
-  if (isNull || src.indexOf('??') !== -1) {
+  if (isNull || src.indexOf("??") !== -1) {
     extraPlugins.push(nullishCoalescingOperator);
@@ -153,3 +176,3 @@ }
 
-  if (options && options.enableBabelRuntime) {
+  if (!options || options.enableBabelRuntime !== false) {
     extraPlugins.push(babelRuntime);
@@ -162,22 +185,25 @@ }
     overrides: [
-    {
-      plugins: defaultPlugins },
+      {
+        plugins: defaultPlugins
+      },
 
-    {
-      test: isTypeScriptSource,
-      plugins: [
-      [require('@babel/plugin-transform-typescript'), { isTSX: false }]] },
+      {
+        test: isTypeScriptSource,
+        plugins: [
+          [require("@babel/plugin-transform-typescript"), { isTSX: false }]
+        ]
+      },
 
+      {
+        test: isTSXSource,
+        plugins: [
+          [require("@babel/plugin-transform-typescript"), { isTSX: true }]
+        ]
+      },
 
-    {
-      test: isTSXSource,
-      plugins: [
-      [require('@babel/plugin-transform-typescript'), { isTSX: true }]] },
-
-
-    {
-      plugins: extraPlugins }] };
-
-
-
+      {
+        plugins: extraPlugins
+      }
+    ]
+  };
 };
@@ -188,3 +214,3 @@
     const env = process.env.BABEL_ENV || process.env.NODE_ENV;
-    if (!env || env === 'development') {
+    if (!env || env === "development") {
       return getPreset(null, _extends({}, options, { dev: true }));
@@ -196,2 +222,2 @@ }
 
-module.exports.getPreset = getPreset;
+module.exports.getPreset = getPreset;

src/index.js

@@ -10,10 +10,10 @@ /**
 
-'use strict';
+"use strict";
 
-const main = require('./configs/main');
+const main = require("./configs/main");
 
-module.exports = function (babel, options) {
+module.exports = function(babel, options) {
   return main(options);
 };
 
-module.exports.getPreset = main.getPreset;
+module.exports.getPreset = main.getPreset;

src/transforms/transform-symbol-member.js

@@ -10,3 +10,3 @@ /**
 
-'use strict';
+"use strict";
 
@@ -16,13 +16,13 @@ /*eslint consistent-return: 0*/
 /**
-                                 * Transforms function properties of the `Symbol` into
-                                 * the presence check, and fallback string "@@<name>".
-                                 *
-                                 * Example:
-                                 *
-                                 *   Symbol.iterator;
-                                 *
-                                 * Transformed to:
-                                 *
-                                 *   typeof Symbol === 'function' ? Symbol.iterator : '@@iterator';
-                                 */
+ * Transforms function properties of the `Symbol` into
+ * the presence check, and fallback string "@@<name>".
+ *
+ * Example:
+ *
+ *   Symbol.iterator;
+ *
+ * Transformed to:
+ *
+ *   typeof Symbol === 'function' ? Symbol.iterator : '@@iterator';
+ */
 module.exports = function symbolMember(babel) {
@@ -41,19 +41,20 @@ const t = babel.types;
         path.replaceWith(
-        t.conditionalExpression(
-        t.binaryExpression(
-        '===',
-        t.unaryExpression('typeof', t.identifier('Symbol'), true),
-        t.stringLiteral('function')),
+          t.conditionalExpression(
+            t.binaryExpression(
+              "===",
+              t.unaryExpression("typeof", t.identifier("Symbol"), true),
+              t.stringLiteral("function")
+            ),
 
-        node,
-        t.stringLiteral(`@@${node.property.name}`)));
+            node,
+            t.stringLiteral(`@@${node.property.name}`)
+          )
+        );
 
-
-
         // We should stop to avoid infinite recursion, since Babel
         // traverses replaced path, and again would hit our transform.
         path.stop();
-      } } };
-
-
+      }
+    }
+  };
 };
@@ -65,7 +66,7 @@
   return (
-    path.parentPath.type !== 'AssignmentExpression' &&
-    node.object.type === 'Identifier' &&
-    node.object.name === 'Symbol' &&
-    node.property.type === 'Identifier');
-
-}
+    path.parentPath.type !== "AssignmentExpression" &&
+    node.object.type === "Identifier" &&
+    node.object.name === "Symbol" &&
+    node.property.type === "Identifier"
+  );
+}

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Found 1 instance in 1 package

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Improved metrics

Total package byte prevSize

12686

increased by0.55%

Lines of code

298

increased by21.14%

Dependency changes

• + Addedmetro-babel7-plugin-react-transform@0.48.1(transitive)

• - Removedmetro-babel7-plugin-react-transform@0.48.0(transitive)

• Updatedmetro-babel7-plugin-react-transform@0.48.1