@babel/core - npm Package Compare versions

Comparing version 7.20.12 to 7.21.0

lib/config/files/configuration.js

@@ -63,8 +63,8 @@ "use strict";
 const debug = _debug()("babel:config:loading:files:configuration");
-const ROOT_CONFIG_FILENAMES = ["babel.config.js", "babel.config.cjs", "babel.config.mjs", "babel.config.json"];
+const ROOT_CONFIG_FILENAMES = ["babel.config.js", "babel.config.cjs", "babel.config.mjs", "babel.config.json", "babel.config.cts"];
 exports.ROOT_CONFIG_FILENAMES = ROOT_CONFIG_FILENAMES;
-const RELATIVE_CONFIG_FILENAMES = [".babelrc", ".babelrc.js", ".babelrc.cjs", ".babelrc.mjs", ".babelrc.json"];
+const RELATIVE_CONFIG_FILENAMES = [".babelrc", ".babelrc.js", ".babelrc.cjs", ".babelrc.mjs", ".babelrc.json", ".babelrc.cts"];
 const BABELIGNORE_FILENAME = ".babelignore";
 const LOADING_CONFIGS = new Set();
-const readConfigJS = (0, _caching.makeStrongCache)(function* readConfigJS(filepath, cache) {
+const readConfigCode = (0, _caching.makeStrongCache)(function* readConfigCode(filepath, cache) {
   if (!_fs().existsSync(filepath)) {
@@ -229,6 +229,14 @@ cache.never();
   const ext = _path().extname(filepath);
-  return ext === ".js" || ext === ".cjs" || ext === ".mjs" ? readConfigJS(filepath, {
-    envName,
-    caller
-  }) : readConfigJSON5(filepath);
+  switch (ext) {
+    case ".js":
+    case ".cjs":
+    case ".mjs":
+    case ".cts":
+      return readConfigCode(filepath, {
+        envName,
+        caller
+      });
+    default:
+      return readConfigJSON5(filepath);
+  }
 }
@@ -235,0 +243,0 @@ function* resolveShowConfigPath(dirname) {

lib/config/files/module-types.js

@@ -6,3 +6,3 @@ "use strict";
 });
-exports.default = loadCjsOrMjsDefault;
+exports.default = loadCodeDefault;
 exports.supportsESM = void 0;
@@ -40,2 +40,3 @@ var _async = require("../../gensync-utils/async");
 var _configError = require("../../errors/config-error");
+var _transformFile = require("../../transform-file");
 function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
@@ -49,7 +50,11 @@ function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
 exports.supportsESM = supportsESM;
-function* loadCjsOrMjsDefault(filepath, asyncError, fallbackToTranspiledModule = false) {
-  switch (guessJSModuleType(filepath)) {
-    case "cjs":
+function* loadCodeDefault(filepath, asyncError, fallbackToTranspiledModule = false) {
+  switch (_path().extname(filepath)) {
+    case ".cjs":
       return loadCjsDefault(filepath, fallbackToTranspiledModule);
-    case "unknown":
+    case ".mjs":
+      break;
+    case ".cts":
+      return loadCtsDefault(filepath);
+    default:
       try {
@@ -60,18 +65,45 @@ return loadCjsDefault(filepath, fallbackToTranspiledModule);
       }
-    case "mjs":
-      if (yield* (0, _async.isAsync)()) {
-        return yield* (0, _async.waitFor)(loadMjsDefault(filepath));
-      }
-      throw new _configError.default(asyncError, filepath);
   }
+  if (yield* (0, _async.isAsync)()) {
+    return yield* (0, _async.waitFor)(loadMjsDefault(filepath));
+  }
+  throw new _configError.default(asyncError, filepath);
 }
-function guessJSModuleType(filename) {
-  switch (_path().extname(filename)) {
-    case ".cjs":
-      return "cjs";
-    case ".mjs":
-      return "mjs";
-    default:
-      return "unknown";
+function loadCtsDefault(filepath) {
+  const ext = ".cts";
+  const hasTsSupport = !!(require.extensions[".ts"] || require.extensions[".cts"] || require.extensions[".mts"]);
+  let handler;
+  if (!hasTsSupport) {
+    const opts = {
+      babelrc: false,
+      configFile: false,
+      sourceType: "script",
+      sourceMaps: "inline",
+      presets: [[getTSPreset(filepath), Object.assign({
+        disallowAmbiguousJSXLike: true,
+        allExtensions: true,
+        onlyRemoveTypeImports: true,
+        optimizeConstEnums: true
+      }, {
+        allowDeclareFields: true
+      })]]
+    };
+    handler = function (m, filename) {
+      if (handler && filename.endsWith(ext)) {
+        return m._compile((0, _transformFile.transformFileSync)(filename, Object.assign({}, opts, {
+          filename
+        })).code, filename);
+      }
+      return require.extensions[".js"](m, filename);
+    };
+    require.extensions[ext] = handler;
   }
+  try {
+    return (0, _rewriteStackTrace.endHiddenCallStack)(require)(filepath);
+  } finally {
+    if (!hasTsSupport) {
+      if (require.extensions[ext] === handler) delete require.extensions[ext];
+      handler = undefined;
+    }
+  }
 }
@@ -88,3 +120,3 @@ function loadCjsDefault(filepath, fallbackToTranspiledModule) {
     if (!import_) {
-      throw new _configError.default("Internal error: Native ECMAScript modules aren't supported" + " by this platform.\n", filepath);
+      throw new _configError.default("Internal error: Native ECMAScript modules aren't supported by this platform.\n", filepath);
     }
@@ -96,4 +128,23 @@ const module = yield (0, _rewriteStackTrace.endHiddenCallStack)(import_)((0, _url().pathToFileURL)(filepath));
 }
+function getTSPreset(filepath) {
+  try {
+    return require("@babel/preset-typescript");
+  } catch (error) {
+    if (error.code !== "MODULE_NOT_FOUND") throw error;
+    let message = "You appear to be using a .cts file as Babel configuration, but the `@babel/preset-typescript` package was not found: please install it!";
+    if (process.versions.pnp) {
+      message += `
+If you are using Yarn Plug'n'Play, you may also need to add the following configuration to your .yarnrc.yml file:
+
+packageExtensions:
+\t"@babel/core@*":
+\t\tpeerDependencies:
+\t\t\t"@babel/preset-typescript": "*"
+`;
+    }
+    throw new _configError.default(message, filepath);
+  }
+}
 0 && 0;
 
 //# sourceMappingURL=module-types.js.map

lib/config/validation/options.js

@@ -73,3 +73,3 @@ "use strict";
 }
-const knownAssumptions = ["arrayLikeIsIterable", "constantReexports", "constantSuper", "enumerableModuleMeta", "ignoreFunctionLength", "ignoreToPrimitiveHint", "iterableIsArray", "mutableTemplateObject", "noClassCalls", "noDocumentAll", "noIncompleteNsImportDetection", "noNewArrows", "objectRestNoSymbols", "privateFieldsAsProperties", "pureGetters", "setClassMethods", "setComputedProperties", "setPublicClassFields", "setSpreadProperties", "skipForOfIteratorClosing", "superIsCallableConstructor"];
+const knownAssumptions = ["arrayLikeIsIterable", "constantReexports", "constantSuper", "enumerableModuleMeta", "ignoreFunctionLength", "ignoreToPrimitiveHint", "iterableIsArray", "mutableTemplateObject", "noClassCalls", "noDocumentAll", "noIncompleteNsImportDetection", "noNewArrows", "objectRestNoSymbols", "privateFieldsAsSymbols", "privateFieldsAsProperties", "pureGetters", "setClassMethods", "setComputedProperties", "setPublicClassFields", "setSpreadProperties", "skipForOfIteratorClosing", "superIsCallableConstructor"];
 const assumptionsNames = new Set(knownAssumptions);
@@ -76,0 +76,0 @@ exports.assumptionsNames = assumptionsNames;

lib/errors/config-error.js

@@ -12,3 +12,3 @@ "use strict";
     (0, _rewriteStackTrace.expectedError)(this);
-    if (filename) (0, _rewriteStackTrace.injcectVirtualStackFrame)(this, filename);
+    if (filename) (0, _rewriteStackTrace.injectVirtualStackFrame)(this, filename);
   }
@@ -15,0 +15,0 @@ }

lib/errors/rewrite-stack-trace.js

@@ -9,7 +9,7 @@ "use strict";
 exports.expectedError = expectedError;
-exports.injcectVirtualStackFrame = injcectVirtualStackFrame;
+exports.injectVirtualStackFrame = injectVirtualStackFrame;
 const ErrorToString = Function.call.bind(Error.prototype.toString);
 const SUPPORTED = !!Error.captureStackTrace;
-const START_HIDNG = "startHiding - secret - don't use this - v1";
-const STOP_HIDNG = "stopHiding - secret - don't use this - v1";
+const START_HIDING = "startHiding - secret - don't use this - v1";
+const STOP_HIDING = "stopHiding - secret - don't use this - v1";
 const expectedErrors = new WeakSet();
@@ -31,3 +31,3 @@ const virtualFrames = new WeakMap();
 }
-function injcectVirtualStackFrame(error, filename) {
+function injectVirtualStackFrame(error, filename) {
   if (!SUPPORTED) return;
@@ -50,3 +50,3 @@ let frames = virtualFrames.get(error);
   }, "name", {
-    value: STOP_HIDNG
+    value: STOP_HIDING
   });
@@ -59,3 +59,3 @@ }
   }, "name", {
-    value: START_HIDNG
+    value: START_HIDING
   });
@@ -76,5 +76,5 @@ }
       const name = trace[i].getFunctionName();
-      if (name === START_HIDNG) {
+      if (name === START_HIDING) {
         status = "hiding";
-      } else if (name === STOP_HIDNG) {
+      } else if (name === STOP_HIDING) {
         if (status === "hiding") {
@@ -81,0 +81,0 @@ status = "showing";

lib/index.js

@@ -227,3 +227,11 @@ "use strict";
 var _parse = require("./parse");
-const version = "7.20.12";
+function _module() {
+  const data = require("module");
+  _module = function () {
+    return data;
+  };
+  return data;
+}
+var thisFile = require("./index");
+const version = "7.21.0";
 exports.version = version;
@@ -241,4 +249,5 @@ const DEFAULT_EXTENSIONS = Object.freeze([".js", ".jsx", ".es6", ".es", ".mjs", ".cjs"]);
 }
+;
 0 && (exports.types = exports.traverse = exports.tokTypes = exports.template = 0);
 
 //# sourceMappingURL=index.js.map

lib/transformation/file/generate.js

@@ -32,2 +32,3 @@ "use strict";
   } = opts;
+  generatorOpts.inputSourceMap = inputMap == null ? void 0 : inputMap.toObject();
   const results = [];
@@ -60,7 +61,11 @@ for (const plugins of pluginPasses) {
   } = result;
-  if (outputMap) {
-    if (inputMap) {
-      outputMap = (0, _mergeMap.default)(inputMap.toObject(), outputMap, generatorOpts.sourceFileName);
-    } else {
-      outputMap = result.map;
+  if (result.__mergedMap) {
+    outputMap = Object.assign({}, result.map);
+  } else {
+    if (outputMap) {
+      if (inputMap) {
+        outputMap = (0, _mergeMap.default)(inputMap.toObject(), outputMap, generatorOpts.sourceFileName);
+      } else {
+        outputMap = result.map;
+      }
     }
@@ -67,0 +72,0 @@ }

lib/transformation/normalize-file.js

@@ -50,3 +50,2 @@ "use strict";
 const debug = _debug()("babel:transform:file");
-const LARGE_INPUT_SOURCEMAP_THRESHOLD = 3000000;
 const INLINE_SOURCEMAP_REGEX = /^[@#]\s+sourceMappingURL=data:(?:application|text)\/json;(?:charset[:=]\S+?;)?base64,(?:.*)$/;
@@ -88,8 +87,4 @@ const EXTERNAL_SOURCEMAP_REGEX = /^[@#][ \t]+sourceMappingURL=([^\s'"`]+)[ \t]*$/;
           const match = EXTERNAL_SOURCEMAP_REGEX.exec(lastComment);
-          const inputMapContent = _fs().readFileSync(_path().resolve(_path().dirname(options.filename), match[1]));
-          if (inputMapContent.length > LARGE_INPUT_SOURCEMAP_THRESHOLD) {
-            debug("skip merging input map > 1 MB");
-          } else {
-            inputMap = _convertSourceMap().fromJSON(inputMapContent);
-          }
+          const inputMapContent = _fs().readFileSync(_path().resolve(_path().dirname(options.filename), match[1]), "utf8");
+          inputMap = _convertSourceMap().fromJSON(inputMapContent);
         } catch (err) {
@@ -96,0 +91,0 @@ debug("discarding unknown file input sourcemap", err);

lib/transformation/util/clone-deep.js

@@ -13,2 +13,3 @@ "use strict";
       cloned = new Array(value.length);
+      cache.set(value, cloned);
       for (let i = 0; i < value.length; i++) {
@@ -19,2 +20,3 @@ cloned[i] = typeof value[i] !== "object" ? value[i] : deepClone(value[i], cache);
       cloned = {};
+      cache.set(value, cloned);
       const keys = Object.keys(value);
@@ -26,3 +28,2 @@ for (let i = 0; i < keys.length; i++) {
     }
-    cache.set(value, cloned);
     return cloned;
@@ -29,0 +30,0 @@ }

package.json

 {
   "name": "@babel/core",
-  "version": "7.20.12",
+  "version": "7.21.0",
   "description": "Babel compiler core.",
@@ -49,12 +49,12 @@ "main": "./lib/index.js",
   "dependencies": {
-    "@ampproject/remapping": "^2.1.0",
+    "@ampproject/remapping": "^2.2.0",
     "@babel/code-frame": "^7.18.6",
-    "@babel/generator": "^7.20.7",
+    "@babel/generator": "^7.21.0",
     "@babel/helper-compilation-targets": "^7.20.7",
-    "@babel/helper-module-transforms": "^7.20.11",
-    "@babel/helpers": "^7.20.7",
-    "@babel/parser": "^7.20.7",
+    "@babel/helper-module-transforms": "^7.21.0",
+    "@babel/helpers": "^7.21.0",
+    "@babel/parser": "^7.21.0",
     "@babel/template": "^7.20.7",
-    "@babel/traverse": "^7.20.12",
-    "@babel/types": "^7.20.7",
+    "@babel/traverse": "^7.21.0",
+    "@babel/types": "^7.21.0",
     "convert-source-map": "^1.7.0",
@@ -67,8 +67,8 @@ "debug": "^4.1.0",
   "devDependencies": {
-    "@babel/helper-transform-fixture-test-runner": "^7.19.4",
+    "@babel/helper-transform-fixture-test-runner": "^7.20.14",
     "@babel/plugin-syntax-flow": "^7.18.6",
-    "@babel/plugin-transform-flow-strip-types": "^7.19.0",
+    "@babel/plugin-transform-flow-strip-types": "^7.21.0",
     "@babel/plugin-transform-modules-commonjs": "^7.20.11",
     "@babel/preset-env": "^7.20.2",
-    "@jridgewell/trace-mapping": "^0.3.8",
+    "@jridgewell/trace-mapping": "^0.3.17",
     "@types/convert-source-map": "^1.5.1",
@@ -79,5 +79,6 @@ "@types/debug": "^4.1.0",
     "@types/semver": "^5.4.0",
-    "rimraf": "^3.0.0"
+    "rimraf": "^3.0.0",
+    "ts-node": "^10.9.1"
   },
   "type": "commonjs"
 }

No alert changes

Improved metrics

Total package byte prevSize

944581

increased by0.81%

Lines of code

8672

increased by1.03%

Worsened metrics

Dev dependency count

13

increased by8.33%

Number of low supply chain risk alerts

16

increased by6.67%

Dependency changes

• Updated@ampproject/remapping@^2.2.0

• Updated@babel/generator@^7.21.0

• Updated@babel/helper-module-transforms@^7.21.0

• Updated@babel/helpers@^7.21.0

• Updated@babel/parser@^7.21.0

• Updated@babel/traverse@^7.21.0

• Updated@babel/types@^7.21.0