@babel/core - npm Package Compare versions

Comparing version 7.12.17 to 7.13.0

lib/config/config-chain.js

@@ -78,3 +78,3 @@ "use strict";
   if (!programmaticChain) return null;
-  const programmaticReport = programmaticLogger.output();
+  const programmaticReport = yield* programmaticLogger.output();
   let configFile;
@@ -100,3 +100,3 @@
     if (!result) return null;
-    configReport = configFileLogger.output();
+    configReport = yield* configFileLogger.output();
 
@@ -142,3 +142,3 @@ if (babelrc === undefined) {
       } else {
-        babelRcReport = babelrcLogger.output();
+        babelRcReport = yield* babelrcLogger.output();
         mergeChain(fileChain, result);
@@ -377,3 +377,3 @@ }
       logger(config, index, envName);
-      mergeChainOpts(chain, config);
+      yield* mergeChainOpts(chain, config);
     }
@@ -413,3 +413,3 @@
 
-function mergeChainOpts(target, {
+function* mergeChainOpts(target, {
   options,
@@ -420,4 +420,4 @@ plugins,
   target.options.push(options);
-  target.plugins.push(...plugins());
-  target.presets.push(...presets());
+  target.plugins.push(...(yield* plugins()));
+  target.presets.push(...(yield* presets()));
   return target;
@@ -424,0 +424,0 @@ }

lib/config/config-descriptors.js

@@ -10,2 +10,12 @@ "use strict";
 
+function _gensync() {
+  const data = _interopRequireDefault(require("gensync"));
+
+  _gensync = function () {
+    return data;
+  };
+
+  return data;
+}
+
 var _files = require("./files");
@@ -17,2 +27,4 @@
 
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
 function isEqualDescriptor(a, b) {
@@ -22,2 +34,6 @@ return a.name === b.name && a.value === b.value && a.options === b.options && a.dirname === b.dirname && a.alias === b.alias && a.ownPass === b.ownPass && (a.file && a.file.request) === (b.file && b.file.request) && (a.file && a.file.resolved) === (b.file && b.file.resolved);
 
+function* handlerOf(value) {
+  return value;
+}
+
 function createCachedDescriptors(dirname, options, alias) {
@@ -31,4 +47,4 @@ const {
     options,
-    plugins: plugins ? () => createCachedPluginDescriptors(plugins, dirname)(alias) : () => [],
-    presets: presets ? () => createCachedPresetDescriptors(presets, dirname)(alias)(!!passPerPreset) : () => []
+    plugins: plugins ? () => createCachedPluginDescriptors(plugins, dirname)(alias) : () => handlerOf([]),
+    presets: presets ? () => createCachedPresetDescriptors(presets, dirname)(alias)(!!passPerPreset) : () => handlerOf([])
   };
@@ -42,5 +58,6 @@ }
     options,
-    plugins: () => {
+
+    *plugins() {
       if (!plugins) {
-        plugins = createPluginDescriptors(options.plugins || [], dirname, alias);
+        plugins = yield* createPluginDescriptors(options.plugins || [], dirname, alias);
       }
@@ -50,5 +67,6 @@
     },
-    presets: () => {
+
+    *presets() {
       if (!presets) {
-        presets = createPresetDescriptors(options.presets || [], dirname, alias, !!options.passPerPreset);
+        presets = yield* createPresetDescriptors(options.presets || [], dirname, alias, !!options.passPerPreset);
       }
@@ -58,2 +76,3 @@
     }
+
   };
@@ -65,3 +84,6 @@ }
   const dirname = cache.using(dir => dir);
-  return (0, _caching.makeStrongCacheSync)(alias => (0, _caching.makeStrongCacheSync)(passPerPreset => createPresetDescriptors(items, dirname, alias, passPerPreset).map(desc => loadCachedDescriptor(PRESET_DESCRIPTOR_CACHE, desc))));
+  return (0, _caching.makeStrongCacheSync)(alias => (0, _caching.makeStrongCache)(function* (passPerPreset) {
+    const descriptors = yield* createPresetDescriptors(items, dirname, alias, passPerPreset);
+    return descriptors.map(desc => loadCachedDescriptor(PRESET_DESCRIPTOR_CACHE, desc));
+  }));
 });
@@ -71,3 +93,6 @@ const PLUGIN_DESCRIPTOR_CACHE = new WeakMap();
   const dirname = cache.using(dir => dir);
-  return (0, _caching.makeStrongCacheSync)(alias => createPluginDescriptors(items, dirname, alias).map(desc => loadCachedDescriptor(PLUGIN_DESCRIPTOR_CACHE, desc)));
+  return (0, _caching.makeStrongCache)(function* (alias) {
+    const descriptors = yield* createPluginDescriptors(items, dirname, alias);
+    return descriptors.map(desc => loadCachedDescriptor(PLUGIN_DESCRIPTOR_CACHE, desc));
+  });
 });
@@ -109,16 +134,16 @@ const DEFAULT_OPTIONS = {};
 
-function createPresetDescriptors(items, dirname, alias, passPerPreset) {
-  return createDescriptors("preset", items, dirname, alias, passPerPreset);
+function* createPresetDescriptors(items, dirname, alias, passPerPreset) {
+  return yield* createDescriptors("preset", items, dirname, alias, passPerPreset);
 }
 
-function createPluginDescriptors(items, dirname, alias) {
-  return createDescriptors("plugin", items, dirname, alias);
+function* createPluginDescriptors(items, dirname, alias) {
+  return yield* createDescriptors("plugin", items, dirname, alias);
 }
 
-function createDescriptors(type, items, dirname, alias, ownPass) {
-  const descriptors = items.map((item, index) => createDescriptor(item, dirname, {
+function* createDescriptors(type, items, dirname, alias, ownPass) {
+  const descriptors = yield* _gensync().default.all(items.map((item, index) => createDescriptor(item, dirname, {
     type,
     alias: `${alias}$${index}`,
     ownPass: !!ownPass
-  }));
+  })));
   assertNoDuplicates(descriptors);
@@ -128,3 +153,3 @@ return descriptors;
 
-function createDescriptor(pair, dirname, {
+function* createDescriptor(pair, dirname, {
   type,
@@ -165,3 +190,3 @@ alias,
       value
-    } = resolver(value, dirname));
+    } = yield* resolver(value, dirname));
     file = {
@@ -168,0 +193,0 @@ request,

lib/config/files/configuration.js

@@ -55,3 +55,3 @@ "use strict";
 
-var _configApi = _interopRequireDefault(require("../helpers/config-api"));
+var _configApi = require("../helpers/config-api");
 
@@ -213,3 +213,3 @@ var _utils = require("./utils");
     yield* [];
-    options = options((0, _configApi.default)(cache));
+    options = options((0, _configApi.makeConfigAPI)(cache));
     assertCache = true;
@@ -216,0 +216,0 @@ }

lib/config/files/module-types.js

@@ -42,10 +42,10 @@ "use strict";
 
-function* loadCjsOrMjsDefault(filepath, asyncError) {
+function* loadCjsOrMjsDefault(filepath, asyncError, fallbackToTranspiledModule = false) {
   switch (guessJSModuleType(filepath)) {
     case "cjs":
-      return loadCjsDefault(filepath);
+      return loadCjsDefault(filepath, fallbackToTranspiledModule);
 
     case "unknown":
       try {
-        return loadCjsDefault(filepath);
+        return loadCjsDefault(filepath, fallbackToTranspiledModule);
       } catch (e) {
@@ -77,6 +77,6 @@ if (e.code !== "ERR_REQUIRE_ESM") throw e;
 
-function loadCjsDefault(filepath) {
+function loadCjsDefault(filepath, fallbackToTranspiledModule) {
   const module = require(filepath);
 
-  return (module == null ? void 0 : module.__esModule) ? module.default || undefined : module;
+  return (module == null ? void 0 : module.__esModule) ? module.default || (fallbackToTranspiledModule ? module : undefined) : module;
 }
@@ -83,0 +83,0 @@

lib/config/files/plugins.js

@@ -31,2 +31,4 @@ "use strict";
 
+var _moduleTypes = _interopRequireDefault(require("./module-types"));
+
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
@@ -52,3 +54,3 @@
 
-function loadPlugin(name, dirname) {
+function* loadPlugin(name, dirname) {
   const filepath = resolvePlugin(name, dirname);
@@ -60,3 +62,3 @@
 
-  const value = requireModule("plugin", filepath);
+  const value = yield* requireModule("plugin", filepath);
   debug("Loaded plugin %o from %o.", name, dirname);
@@ -69,3 +71,3 @@ return {
 
-function loadPreset(name, dirname) {
+function* loadPreset(name, dirname) {
   const filepath = resolvePreset(name, dirname);
@@ -77,3 +79,3 @@
 
-  const value = requireModule("preset", filepath);
+  const value = yield* requireModule("preset", filepath);
   debug("Loaded preset %o from %o.", name, dirname);
@@ -186,3 +188,3 @@ return {
 
-function requireModule(type, name) {
+function* requireModule(type, name) {
   if (LOADING_MODULES.has(name)) {
@@ -194,3 +196,6 @@ throw new Error(`Reentrant ${type} detected trying to load "${name}". This module is not ignored ` + "and is trying to load itself while compiling itself, leading to a dependency cycle. " + 'We recommend adding it to your "ignore" list in your babelrc, or to a .babelignore.');
     LOADING_MODULES.add(name);
-    return require(name);
+    return yield* (0, _moduleTypes.default)(name, `You appear to be using a native ECMAScript module ${type}, ` + "which is only supported when running Babel asynchronously.", true);
+  } catch (err) {
+    err.message = `[BABEL]: ${err.message} (While processing: ${name})`;
+    throw err;
   } finally {
@@ -197,0 +202,0 @@ LOADING_MODULES.delete(name);

lib/config/full.js

@@ -46,6 +46,8 @@ "use strict";
 
-var _configApi = _interopRequireDefault(require("./helpers/config-api"));
+var _configApi = require("./helpers/config-api");
 
 var _partial = _interopRequireDefault(require("./partial"));
 
+var Context = _interopRequireWildcard(require("./cache-contexts"));
+
 function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
@@ -58,2 +60,4 @@
 var _default = (0, _gensync().default)(function* loadFullConfig(inputOpts) {
+  var _options$assumptions;
+
   const result = yield* (0, _partial.default)(inputOpts);
@@ -85,2 +89,7 @@
 
+  const pluginContext = Object.assign({}, context, {
+    targets: options.targets,
+    assumptions: (_options$assumptions = options.assumptions) != null ? _options$assumptions : {}
+  });
+
   const toDescriptor = item => {
@@ -110,3 +119,3 @@ const desc = (0, _item.getItemDescriptor)(item);
             presets.push({
-              preset: yield* loadPresetDescriptor(descriptor, context),
+              preset: yield* loadPresetDescriptor(descriptor, pluginContext),
               pass: []
@@ -116,3 +125,3 @@ });
             presets.unshift({
-              preset: yield* loadPresetDescriptor(descriptor, context),
+              preset: yield* loadPresetDescriptor(descriptor, pluginContext),
               pass: pluginDescriptorsPass
@@ -163,3 +172,3 @@ });
           try {
-            pass.push(yield* loadPluginDescriptor(descriptor, context));
+            pass.push(yield* loadPluginDescriptor(descriptor, pluginContext));
           } catch (e) {
@@ -203,3 +212,3 @@ if (e.code === "BABEL_UNKNOWN_PLUGIN_PROPERTY") {
 
-const loadDescriptor = (0, _caching.makeWeakCache)(function* ({
+const makeDescriptorLoader = apiFactory => (0, _caching.makeWeakCache)(function* ({
   value,
@@ -215,6 +224,7 @@ options,
   if (typeof value === "function") {
-    const api = Object.assign({}, context, (0, _configApi.default)(cache));
+    const factory = (0, _async.maybeAsync)(value, `You appear to be using an async plugin/preset, but Babel has been called synchronously`);
+    const api = Object.assign({}, context, apiFactory(cache));
 
     try {
-      item = value(api, options, dirname);
+      item = yield* factory(api, options, dirname);
     } catch (e) {
@@ -233,5 +243,5 @@ if (alias) {
 
-  if (typeof item.then === "function") {
+  if ((0, _async.isThenable)(item)) {
     yield* [];
-    throw new Error(`You appear to be using an async plugin, ` + `which your current version of Babel does not support. ` + `If you're using a published plugin, ` + `you may need to upgrade your @babel/core version.`);
+    throw new Error(`You appear to be using a promise as a plugin, ` + `which your current version of Babel does not support. ` + `If you're using a published plugin, ` + `you may need to upgrade your @babel/core version. ` + `As an alternative, you can prefix the promise with "await". ` + `(While processing: ${JSON.stringify(alias)})`);
   }
@@ -247,2 +257,5 @@
 
+const pluginDescriptorLoader = makeDescriptorLoader(_configApi.makePluginAPI);
+const presetDescriptorLoader = makeDescriptorLoader(_configApi.makePresetAPI);
+
 function* loadPluginDescriptor(descriptor, context) {
@@ -257,3 +270,3 @@ if (descriptor.value instanceof _plugin.default) {
 
-  return yield* instantiatePlugin(yield* loadDescriptor(descriptor, context), context);
+  return yield* instantiatePlugin(yield* pluginDescriptorLoader(descriptor, context), context);
 }
@@ -315,3 +328,3 @@
 function* loadPresetDescriptor(descriptor, context) {
-  const preset = instantiatePreset(yield* loadDescriptor(descriptor, context));
+  const preset = instantiatePreset(yield* presetDescriptorLoader(descriptor, context));
   validatePreset(preset, context, descriptor);
@@ -318,0 +331,0 @@ return yield* (0, _configChain.buildPresetChain)(preset, context);

lib/config/helpers/config-api.js

@@ -6,3 +6,5 @@ "use strict";
 });
-exports.default = makeAPI;
+exports.makeConfigAPI = makeConfigAPI;
+exports.makePresetAPI = makePresetAPI;
+exports.makePluginAPI = makePluginAPI;
 
@@ -23,5 +25,11 @@ function _semver() {
 
+var Context = _interopRequireWildcard(require("../cache-contexts"));
+
+function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function () { return cache; }; return cache; }
+
+function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
+
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
 
-function makeAPI(cache) {
+function makeConfigAPI(cache) {
   const env = value => cache.using(data => {
@@ -56,2 +64,18 @@ if (typeof value === "undefined") return data.envName;
 
+function makePresetAPI(cache) {
+  const targets = () => JSON.parse(cache.using(data => JSON.stringify(data.targets)));
+
+  return Object.assign({}, makeConfigAPI(cache), {
+    targets
+  });
+}
+
+function makePluginAPI(cache) {
+  const assumption = name => cache.using(data => data.assumptions[name]);
+
+  return Object.assign({}, makePresetAPI(cache), {
+    assumption
+  });
+}
+
 function assertVersion(range) {
@@ -58,0 +82,0 @@ if (typeof range === "number") {

lib/config/item.js

@@ -28,7 +28,7 @@ "use strict";
 
-function createConfigItem(value, {
+function* createConfigItem(value, {
   dirname = ".",
   type
 } = {}) {
-  const descriptor = (0, _configDescriptors.createDescriptor)(value, _path().default.resolve(dirname), {
+  const descriptor = yield* (0, _configDescriptors.createDescriptor)(value, _path().default.resolve(dirname), {
     type,
@@ -35,0 +35,0 @@ alias: "programmatic item"

lib/config/partial.js

@@ -43,2 +43,4 @@ "use strict";
 
+var _resolveTargets = require("./resolve-targets");
+
 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
@@ -104,16 +106,22 @@
   if (!configChain) return null;
-  const options = {};
+  const merged = {
+    assumptions: {}
+  };
   configChain.options.forEach(opts => {
-    (0, _util.mergeOptions)(options, opts);
+    (0, _util.mergeOptions)(merged, opts);
   });
-  options.cloneInputAst = cloneInputAst;
-  options.babelrc = false;
-  options.configFile = false;
-  options.passPerPreset = false;
-  options.envName = context.envName;
-  options.cwd = context.cwd;
-  options.root = context.root;
-  options.filename = typeof context.filename === "string" ? context.filename : undefined;
-  options.plugins = configChain.plugins.map(descriptor => (0, _item.createItemFromDescriptor)(descriptor));
-  options.presets = configChain.presets.map(descriptor => (0, _item.createItemFromDescriptor)(descriptor));
+  const options = Object.assign({}, merged, {
+    targets: (0, _resolveTargets.resolveTargets)(merged, absoluteRootDir, filename),
+    cloneInputAst,
+    babelrc: false,
+    configFile: false,
+    browserslistConfigFile: false,
+    passPerPreset: false,
+    envName: context.envName,
+    cwd: context.cwd,
+    root: context.root,
+    filename: typeof context.filename === "string" ? context.filename : undefined,
+    plugins: configChain.plugins.map(descriptor => (0, _item.createItemFromDescriptor)(descriptor)),
+    presets: configChain.presets.map(descriptor => (0, _item.createItemFromDescriptor)(descriptor))
+  });
   return {
@@ -120,0 +128,0 @@ options,

lib/config/printer.js

@@ -7,2 +7,15 @@ "use strict";
 exports.ConfigPrinter = exports.ChainFormatter = void 0;
+
+function _gensync() {
+  const data = _interopRequireDefault(require("gensync"));
+
+  _gensync = function () {
+    return data;
+  };
+
+  return data;
+}
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
 const ChainFormatter = {
@@ -44,7 +57,7 @@ Programmatic: 0,
 
-  optionsAndDescriptors(opt) {
+  *optionsAndDescriptors(opt) {
     const content = Object.assign({}, opt.options);
     delete content.overrides;
     delete content.env;
-    const pluginDescriptors = [...opt.plugins()];
+    const pluginDescriptors = [...(yield* opt.plugins())];
 
@@ -55,3 +68,3 @@ if (pluginDescriptors.length) {
 
-    const presetDescriptors = [...opt.presets()];
+    const presetDescriptors = [...(yield* opt.presets())];
 
@@ -115,13 +128,14 @@ if (presetDescriptors.length) {
 
-  static format(config) {
+  static *format(config) {
     let title = Formatter.title(config.type, config.callerName, config.filepath);
     const loc = Formatter.loc(config.index, config.envName);
     if (loc) title += ` ${loc}`;
-    const content = Formatter.optionsAndDescriptors(config.content);
+    const content = yield* Formatter.optionsAndDescriptors(config.content);
     return `${title}\n${content}`;
   }
 
-  output() {
+  *output() {
     if (this._stack.length === 0) return "";
-    return this._stack.map(s => ConfigPrinter.format(s)).join("\n\n");
+    const configs = yield* _gensync().default.all(this._stack.map(s => ConfigPrinter.format(s)));
+    return configs.join("\n\n");
   }
@@ -128,0 +142,0 @@

lib/config/util.js

@@ -11,10 +11,6 @@ "use strict";
   for (const k of Object.keys(source)) {
-    if (k === "parserOpts" && source.parserOpts) {
-      const parserOpts = source.parserOpts;
-      const targetObj = target.parserOpts = target.parserOpts || {};
+    if ((k === "parserOpts" || k === "generatorOpts" || k === "assumptions") && source[k]) {
+      const parserOpts = source[k];
+      const targetObj = target[k] || (target[k] = {});
       mergeDefaultFields(targetObj, parserOpts);
-    } else if (k === "generatorOpts" && source.generatorOpts) {
-      const generatorOpts = source.generatorOpts;
-      const targetObj = target.generatorOpts = target.generatorOpts || {};
-      mergeDefaultFields(targetObj, generatorOpts);
     } else {
@@ -21,0 +17,0 @@ const val = source[k];

lib/config/validation/option-assertions.js

@@ -24,3 +24,17 @@ "use strict";
 exports.assertPluginList = assertPluginList;
+exports.assertTargets = assertTargets;
+exports.assertAssumptions = assertAssumptions;
 
+function _helperCompilationTargets() {
+  const data = require("@babel/helper-compilation-targets");
+
+  _helperCompilationTargets = function () {
+    return data;
+  };
+
+  return data;
+}
+
+var _options = require("./options");
+
 function msg(loc) {
@@ -269,2 +283,72 @@ switch (loc.type) {
   return value;
+}
+
+function assertTargets(loc, value) {
+  if ((0, _helperCompilationTargets().isBrowsersQueryValid)(value)) return value;
+
+  if (typeof value !== "object" || !value || Array.isArray(value)) {
+    throw new Error(`${msg(loc)} must be a string, an array of strings or an object`);
+  }
+
+  const browsersLoc = access(loc, "browsers");
+  const esmodulesLoc = access(loc, "esmodules");
+  assertBrowsersList(browsersLoc, value.browsers);
+  assertBoolean(esmodulesLoc, value.esmodules);
+
+  for (const key of Object.keys(value)) {
+    const val = value[key];
+    const subLoc = access(loc, key);
+    if (key === "esmodules") assertBoolean(subLoc, val);else if (key === "browsers") assertBrowsersList(subLoc, val);else if (!Object.hasOwnProperty.call(_helperCompilationTargets().TargetNames, key)) {
+      const validTargets = Object.keys(_helperCompilationTargets().TargetNames).join(", ");
+      throw new Error(`${msg(subLoc)} is not a valid target. Supported targets are ${validTargets}`);
+    } else assertBrowserVersion(subLoc, val);
+  }
+
+  return value;
+}
+
+function assertBrowsersList(loc, value) {
+  if (value !== undefined && !(0, _helperCompilationTargets().isBrowsersQueryValid)(value)) {
+    throw new Error(`${msg(loc)} must be undefined, a string or an array of strings`);
+  }
+}
+
+function assertBrowserVersion(loc, value) {
+  if (typeof value === "number" && Math.round(value) === value) return;
+  if (typeof value === "string") return;
+  throw new Error(`${msg(loc)} must be a string or an integer number`);
+}
+
+function assertAssumptions(loc, value) {
+  if (value === undefined) return;
+
+  if (typeof value !== "object" || value === null) {
+    throw new Error(`${msg(loc)} must be an object or undefined.`);
+  }
+
+  let root = loc;
+
+  do {
+    root = root.parent;
+  } while (root.type !== "root");
+
+  const inPreset = root.source === "preset";
+
+  for (const name of Object.keys(value)) {
+    const subLoc = access(loc, name);
+
+    if (!_options.assumptionsNames.has(name)) {
+      throw new Error(`${msg(subLoc)} is not a supported assumption.`);
+    }
+
+    if (typeof value[name] !== "boolean") {
+      throw new Error(`${msg(subLoc)} must be a boolean.`);
+    }
+
+    if (inPreset && value[name] === false) {
+      throw new Error(`${msg(subLoc)} cannot be set to 'false' inside presets.`);
+    }
+  }
+
+  return value;
 }

lib/config/validation/options.js

@@ -8,2 +8,3 @@ "use strict";
 exports.checkNoUnwrappedItemOptionPairs = checkNoUnwrappedItemOptionPairs;
+exports.assumptionsNames = void 0;
 
@@ -38,3 +39,6 @@ var _plugin = _interopRequireDefault(require("../plugin"));
   ignore: _optionAssertions.assertIgnoreList,
-  only: _optionAssertions.assertIgnoreList
+  only: _optionAssertions.assertIgnoreList,
+  targets: _optionAssertions.assertTargets,
+  browserslistConfigFile: _optionAssertions.assertConfigFileSearch,
+  browserslistEnv: _optionAssertions.assertString
 };
@@ -46,2 +50,3 @@ const COMMON_VALIDATORS = {
   passPerPreset: _optionAssertions.assertBoolean,
+  assumptions: _optionAssertions.assertAssumptions,
   env: assertEnvSet,
@@ -73,2 +78,4 @@ overrides: assertOverridesList,
 };
+const assumptionsNames = new Set(["arrayLikeIsIterable", "constantReexports", "constantSuper", "enumerableModuleMeta", "ignoreFunctionLength", "ignoreToPrimitiveHint", "iterableIsArray", "mutableTemplateObject", "noClassCalls", "noDocumentAll", "noNewArrows", "objectRestNoSymbols", "privateFieldsAsProperties", "pureGetters", "setClassMethods", "setComputedProperties", "setPublicClassFields", "setSpreadProperties", "skipForOfIteratorClosing", "superIsCallableConstructor"]);
+exports.assumptionsNames = assumptionsNames;
 
@@ -75,0 +82,0 @@ function getSource(loc) {

lib/index.js

@@ -244,5 +244,5 @@ "use strict";
 
-const version = "7.12.17";
+const version = "7.13.0";
 exports.version = version;
-const DEFAULT_EXTENSIONS = Object.freeze([".js", ".jsx", ".es6", ".es", ".mjs"]);
+const DEFAULT_EXTENSIONS = Object.freeze([".js", ".jsx", ".es6", ".es", ".mjs", ".cjs"]);
 exports.DEFAULT_EXTENSIONS = DEFAULT_EXTENSIONS;
@@ -249,0 +249,0 @@

package.json

 {
   "name": "@babel/core",
-  "version": "7.12.17",
+  "version": "7.13.0",
   "description": "Babel compiler core.",
@@ -42,4 +42,6 @@ "main": "lib/index.js",
     "./lib/config/files/index.js": "./lib/config/files/index-browser.js",
+    "./lib/config/resolve-targets.js": "./lib/config/resolve-targets-browser.js",
     "./lib/transform-file.js": "./lib/transform-file-browser.js",
     "./src/config/files/index.js": "./src/config/files/index-browser.js",
+    "./src/config/resolve-targets.js": "./src/config/resolve-targets-browser.js",
     "./src/transform-file.js": "./src/transform-file-browser.js"
@@ -49,20 +51,21 @@ },
     "@babel/code-frame": "^7.12.13",
-    "@babel/generator": "^7.12.17",
-    "@babel/helper-module-transforms": "^7.12.17",
-    "@babel/helpers": "^7.12.17",
-    "@babel/parser": "^7.12.17",
+    "@babel/generator": "^7.13.0",
+    "@babel/helper-compilation-targets": "^7.13.0",
+    "@babel/helper-module-transforms": "^7.13.0",
+    "@babel/helpers": "^7.13.0",
+    "@babel/parser": "^7.13.0",
     "@babel/template": "^7.12.13",
-    "@babel/traverse": "^7.12.17",
-    "@babel/types": "^7.12.17",
+    "@babel/traverse": "^7.13.0",
+    "@babel/types": "^7.13.0",
     "convert-source-map": "^1.7.0",
     "debug": "^4.1.0",
-    "gensync": "^1.0.0-beta.1",
+    "gensync": "^1.0.0-beta.2",
     "json5": "^2.1.2",
     "lodash": "^4.17.19",
-    "semver": "^5.4.1",
+    "semver": "7.0.0",
     "source-map": "^0.5.0"
   },
   "devDependencies": {
-    "@babel/helper-transform-fixture-test-runner": "7.12.17"
+    "@babel/helper-transform-fixture-test-runner": "7.13.0"
   }
 }

src/config/files/index-browser.js

@@ -83,3 +83,3 @@ // @flow
   dirname: string,
-): { filepath: string, value: mixed } {
+): Handler<{ filepath: string, value: mixed }> {
   throw new Error(
@@ -93,3 +93,3 @@ `Cannot load plugin ${name} relative to ${dirname} in a browser`,
   dirname: string,
-): { filepath: string, value: mixed } {
+): Handler<{ filepath: string, value: mixed }> {
   throw new Error(
@@ -96,0 +96,0 @@ `Cannot load preset ${name} relative to ${dirname} in a browser`,

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Improved metrics

Total package byte prevSize

183936

increased by6.67%

Number of package files

58

increased by9.43%

Lines of code

5182

increased by5.39%

Number of low supply chain risk alerts

10

decreased by-9.09%

Worsened metrics

Dependency count

16

increased by6.67%

Dependency changes

• + Added@babel/helper-compilation-targets@^7.13.0

• + Added@babel/compat-data@7.26.2(transitive)

• + Added@babel/helper-compilation-targets@7.25.9(transitive)

• + Added@babel/helper-validator-option@7.25.9(transitive)

• + Addedbrowserslist@4.24.2(transitive)

• + Addedcaniuse-lite@1.0.30001680(transitive)

• + Addedelectron-to-chromium@1.5.62(transitive)

• + Addedescalade@3.2.0(transitive)

• + Addedlru-cache@5.1.1(transitive)

• + Addednode-releases@2.0.18(transitive)

• + Addedsemver@6.3.17.0.0(transitive)

• + Addedupdate-browserslist-db@1.1.1(transitive)

• + Addedyallist@3.1.1(transitive)

• - Removedsemver@5.7.2(transitive)

• Updated@babel/generator@^7.13.0

• Updated@babel/helper-module-transforms@^7.13.0

• Updated@babel/helpers@^7.13.0

• Updated@babel/parser@^7.13.0

• Updated@babel/traverse@^7.13.0

• Updated@babel/types@^7.13.0

• Updatedgensync@^1.0.0-beta.2

• Updatedsemver@7.0.0