@babel/plugin-transform-runtime - npm Package Compare versions

Comparing version 7.0.0-beta.55 to 7.0.0-beta.56

lib/index.js

@@ -6,8 +6,2 @@ "use strict";
 });
-Object.defineProperty(exports, "definitions", {
-  enumerable: true,
-  get: function () {
-    return _definitions.default;
-  }
-});
 exports.default = void 0;
@@ -52,15 +46,25 @@
   const {
-    helpers,
-    moduleName = "@babel/runtime",
-    polyfill,
-    regenerator,
-    useBuiltIns,
-    useESModules
+    corejs: corejsVersion = false,
+    helpers: useRuntimeHelpers = true,
+    regenerator: useRuntimeRegenerator = true,
+    useESModules = false,
+    version: runtimeVersion = "7.0.0-beta.0"
   } = options;
-  const regeneratorEnabled = regenerator !== false;
-  const notPolyfillOrDoesUseBuiltIns = polyfill === false || useBuiltIns;
-  const isPolyfillAndUseBuiltIns = polyfill && useBuiltIns;
-  const baseHelpersDir = useBuiltIns ? "helpers/builtin" : "helpers";
-  const helpersDir = useESModules ? `${baseHelpersDir}/es6` : baseHelpersDir;
 
+  if (typeof useRuntimeRegenerator !== "boolean") {
+    throw new Error("The 'regenerator' option must be undefined, or a boolean.");
+  }
+
+  if (typeof useRuntimeHelpers !== "boolean") {
+    throw new Error("The 'helpers' option must be undefined, or a boolean.");
+  }
+
+  if (typeof useESModules !== "boolean") {
+    throw new Error("The 'useESModules' option must be undefined, or a boolean.");
+  }
+
+  if (corejsVersion !== false && (typeof corejsVersion !== "number" || corejsVersion !== 2) && (typeof corejsVersion !== "string" || corejsVersion !== "2")) {
+    throw new Error(`The 'corejs' option must be undefined, false, or 2, or '2', ` + `but got ${JSON.stringify(corejsVersion)}.`);
+  }
+
   function has(obj, key) {
@@ -70,7 +74,34 @@ return Object.prototype.hasOwnProperty.call(obj, key);
 
+  if (has(options, "useBuiltIns")) {
+    if (options.useBuiltIns) {
+      throw new Error("The 'useBuiltIns' option has been removed. The @babel/runtime " + "module now uses builtins by default.");
+    } else {
+      throw new Error("The 'useBuiltIns' option has been removed. Use the 'corejs'" + "option with value '2' to polyfill with CoreJS 2.x via @babel/runtime.");
+    }
+  }
+
+  if (has(options, "polyfill")) {
+    if (options.polyfill === false) {
+      throw new Error("The 'polyfill' option has been removed. The @babel/runtime " + "module now skips polyfilling by default.");
+    } else {
+      throw new Error("The 'polyfill' option has been removed. Use the 'corejs'" + "option with value '2' to polyfill with CoreJS 2.x via @babel/runtime.");
+    }
+  }
+
+  if (has(options, "moduleName")) {
+    throw new Error("The 'moduleName' option has been removed. @babel/transform-runtime " + "no longer supports arbitrary runtimes.");
+  }
+
+  const helpersDir = useESModules ? "helpers/esm" : "helpers";
+  const injectCoreJS2 = `${corejsVersion}` === "2";
+  const moduleName = injectCoreJS2 ? "@babel/runtime-corejs2" : "@babel/runtime";
   const HEADER_HELPERS = ["interopRequireWildcard", "interopRequireDefault"];
   return {
     pre(file) {
-      if (helpers !== false) {
+      if (useRuntimeHelpers) {
         file.set("helperGenerator", name => {
+          if (file.availableHelper && !file.availableHelper(name, runtimeVersion)) {
+            return;
+          }
+
           const isInteropHelper = HEADER_HELPERS.indexOf(name) !== -1;
@@ -82,7 +113,2 @@ const blockHoist = isInteropHelper && !(0, _helperModuleImports().isModule)(file.path) ? 4 : undefined;
 
-      if (isPolyfillAndUseBuiltIns) {
-        throw new Error("The polyfill option conflicts with useBuiltIns; use one or the other");
-      }
-
-      this.moduleName = moduleName;
       const cache = new Map();
@@ -118,8 +144,8 @@
 
-        if (node.name === "regeneratorRuntime" && regeneratorEnabled) {
-          path.replaceWith(this.addDefaultImport(`${this.moduleName}/regenerator`, "regeneratorRuntime"));
+        if (node.name === "regeneratorRuntime" && useRuntimeRegenerator) {
+          path.replaceWith(this.addDefaultImport(`${moduleName}/regenerator`, "regeneratorRuntime"));
           return;
         }
 
-        if (notPolyfillOrDoesUseBuiltIns) return;
+        if (!injectCoreJS2) return;
         if (_core().types.isMemberExpression(parent)) return;
@@ -132,3 +158,3 @@ if (!has(_definitions.default.builtins, node.name)) return;
       CallExpression(path) {
-        if (notPolyfillOrDoesUseBuiltIns) return;
+        if (!injectCoreJS2) return;
         if (path.node.arguments.length) return;
@@ -147,3 +173,3 @@ const callee = path.node.callee;
       BinaryExpression(path) {
-        if (notPolyfillOrDoesUseBuiltIns) return;
+        if (!injectCoreJS2) return;
         if (path.node.operator !== "in") return;
@@ -156,3 +182,3 @@ if (!path.get("left").matchesPattern("Symbol.iterator")) return;
         enter(path) {
-          if (notPolyfillOrDoesUseBuiltIns) return;
+          if (!injectCoreJS2) return;
           if (!path.isReferenced()) return;
@@ -183,3 +209,3 @@ const {
         exit(path) {
-          if (notPolyfillOrDoesUseBuiltIns) return;
+          if (!injectCoreJS2) return;
           if (!path.isReferenced()) return;
@@ -186,0 +212,0 @@ const {

package.json

 {
   "name": "@babel/plugin-transform-runtime",
-  "version": "7.0.0-beta.55",
+  "version": "7.0.0-beta.56",
   "description": "Externalise references to helpers and builtins, automatically polyfilling your code without polluting globals",
@@ -12,4 +12,4 @@ "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-runtime",
   "dependencies": {
-    "@babel/helper-module-imports": "7.0.0-beta.55",
-    "@babel/helper-plugin-utils": "7.0.0-beta.55"
+    "@babel/helper-module-imports": "7.0.0-beta.56",
+    "@babel/helper-plugin-utils": "7.0.0-beta.56"
   },
@@ -20,5 +20,10 @@ "peerDependencies": {
   "devDependencies": {
-    "@babel/core": "7.0.0-beta.55",
-    "@babel/helper-plugin-test-runner": "7.0.0-beta.55"
+    "@babel/core": "7.0.0-beta.56",
+    "@babel/helper-plugin-test-runner": "7.0.0-beta.56",
+    "@babel/helpers": "7.0.0-beta.56",
+    "@babel/plugin-transform-runtime": "7.0.0-beta.56",
+    "@babel/preset-env": "7.0.0-beta.56",
+    "@babel/template": "7.0.0-beta.56",
+    "@babel/types": "7.0.0-beta.53"
   }
 }

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Improved metrics

Total package byte prevSize

13965

increased by12.3%

Lines of code

341

increased by5.9%

Worsened metrics

Dev dependency count

7

increased by250%

Dependency changes

• + Added@babel/helper-module-imports@7.0.0-beta.56(transitive)

• + Added@babel/helper-plugin-utils@7.0.0-beta.56(transitive)

• - Removed@babel/helper-module-imports@7.0.0-beta.55(transitive)

• - Removed@babel/helper-plugin-utils@7.0.0-beta.55(transitive)

• Updated@babel/helper-module-imports@7.0.0-beta.56

• Updated@babel/helper-plugin-utils@7.0.0-beta.56