@babel/core - npm Package Compare versions

Comparing version 7.26.0 to 7.26.7

lib/config/files/configuration.js

@@ -228,3 +228,5 @@ "use strict";
     case ".mjs":
+    case ".ts":
     case ".cts":
+    case ".mts":
       return readConfigCode(filepath, {
@@ -231,0 +233,0 @@ envName,

lib/config/files/module-types.js

@@ -81,3 +81,10 @@ "use strict";
 }());
-const SUPPORTED_EXTENSIONS = new Set([".js", ".mjs", ".cjs", ".cts"]);
+const SUPPORTED_EXTENSIONS = {
+  ".js": "unknown",
+  ".mjs": "esm",
+  ".cjs": "cjs",
+  ".ts": "unknown",
+  ".mts": "esm",
+  ".cts": "cjs"
+};
 const asyncModules = new Set();
@@ -87,19 +94,21 @@ function* loadCodeDefault(filepath, loader, esmError, tlaError) {
   let async;
-  let ext = _path().extname(filepath);
-  if (!SUPPORTED_EXTENSIONS.has(ext)) ext = ".js";
-  const pattern = `${loader} ${ext}`;
+  const ext = _path().extname(filepath);
+  const isTS = ext === ".ts" || ext === ".cts" || ext === ".mts";
+  const type = SUPPORTED_EXTENSIONS[hasOwnProperty.call(SUPPORTED_EXTENSIONS, ext) ? ext : ".js"];
+  const pattern = `${loader} ${type}`;
   switch (pattern) {
-    case "require .cjs":
-    case "auto .cjs":
-      {
+    case "require cjs":
+    case "auto cjs":
+      if (isTS) {
+        return ensureTsSupport(filepath, ext, () => loadCjsDefault(filepath));
+      } else {
         return loadCjsDefault(filepath, arguments[2]);
       }
-    case "require .cts":
-    case "auto .cts":
-      return loadCtsDefault(filepath);
-    case "auto .js":
-    case "require .js":
-    case "require .mjs":
+    case "auto unknown":
+    case "require unknown":
+    case "require esm":
       try {
-        {
+        if (isTS) {
+          return ensureTsSupport(filepath, ext, () => loadCjsDefault(filepath));
+        } else {
           return loadCjsDefault(filepath, arguments[2]);
@@ -114,9 +123,10 @@ }
           }
-        } else if (e.code === "ERR_REQUIRE_ESM" || ext === ".mjs") {} else {
+        } else if (e.code === "ERR_REQUIRE_ESM" || type === "esm") {} else {
           throw e;
         }
       }
-    case "auto .mjs":
+    case "auto esm":
       if ((_async2 = async) != null ? _async2 : async = yield* (0, _async3.isAsync)()) {
-        return (yield* (0, _async3.waitFor)(loadMjsFromPath(filepath))).default;
+        const promise = isTS ? ensureTsSupport(filepath, ext, () => loadMjsFromPath(filepath)) : loadMjsFromPath(filepath);
+        return (yield* (0, _async3.waitFor)(promise)).default;
       }
@@ -128,47 +138,49 @@ throw new _configError.default(esmError, filepath);
 }
-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: "unambiguous",
-      sourceMaps: "inline",
-      sourceFileName: _path().basename(filepath),
-      presets: [[getTSPreset(filepath), Object.assign({
-        onlyRemoveTypeImports: true,
-        optimizeConstEnums: true
-      }, {
-        allowDeclareFields: true
-      })]]
-    };
-    handler = function (m, filename) {
-      if (handler && filename.endsWith(ext)) {
-        try {
-          return m._compile((0, _transformFile.transformFileSync)(filename, Object.assign({}, opts, {
-            filename
-          })).code, filename);
-        } catch (error) {
-          if (!hasTsSupport) {
-            const packageJson = require("@babel/preset-typescript/package.json");
-            if (_semver().lt(packageJson.version, "7.21.4")) {
-              console.error("`.cts` configuration file failed to load, please try to update `@babel/preset-typescript`.");
-            }
-          }
-          throw error;
+function ensureTsSupport(filepath, ext, callback) {
+  if (require.extensions[".ts"] || require.extensions[".cts"] || require.extensions[".mts"]) {
+    return callback();
+  }
+  if (ext !== ".cts") {
+    throw new _configError.default(`\
+You are using a ${ext} config file, but Babel only supports transpiling .cts configs. Either:
+- Use a .cts config file
+- Update to Node.js 23.6.0, which has native TypeScript support
+- Install ts-node to transpile ${ext} files on the fly\
+`, filepath);
+  }
+  const opts = {
+    babelrc: false,
+    configFile: false,
+    sourceType: "unambiguous",
+    sourceMaps: "inline",
+    sourceFileName: _path().basename(filepath),
+    presets: [[getTSPreset(filepath), Object.assign({
+      onlyRemoveTypeImports: true,
+      optimizeConstEnums: true
+    }, {
+      allowDeclareFields: true
+    })]]
+  };
+  let handler = function (m, filename) {
+    if (handler && filename.endsWith(".cts")) {
+      try {
+        return m._compile((0, _transformFile.transformFileSync)(filename, Object.assign({}, opts, {
+          filename
+        })).code, filename);
+      } catch (error) {
+        const packageJson = require("@babel/preset-typescript/package.json");
+        if (_semver().lt(packageJson.version, "7.21.4")) {
+          console.error("`.cts` configuration file failed to load, please try to update `@babel/preset-typescript`.");
         }
+        throw error;
       }
-      return require.extensions[".js"](m, filename);
-    };
-    require.extensions[ext] = handler;
-  }
+    }
+    return require.extensions[".js"](m, filename);
+  };
+  require.extensions[ext] = handler;
   try {
-    return loadCjsDefault(filepath);
+    return callback();
   } finally {
-    if (!hasTsSupport) {
-      if (require.extensions[ext] === handler) delete require.extensions[ext];
-      handler = undefined;
-    }
+    if (require.extensions[ext] === handler) delete require.extensions[ext];
+    handler = undefined;
   }
@@ -175,0 +187,0 @@ }

lib/index.js

@@ -216,3 +216,3 @@ "use strict";
 ;
-const version = exports.version = "7.26.0";
+const version = exports.version = "7.26.7";
 const resolvePlugin = (name, dirname) => resolvers.resolvePlugin(name, dirname, false).filepath;
@@ -219,0 +219,0 @@ exports.resolvePlugin = resolvePlugin;

package.json

 {
   "name": "@babel/core",
-  "version": "7.26.0",
+  "version": "7.26.7",
   "description": "Babel compiler core.",
@@ -50,11 +50,11 @@ "main": "./lib/index.js",
     "@ampproject/remapping": "^2.2.0",
-    "@babel/code-frame": "^7.26.0",
-    "@babel/generator": "^7.26.0",
-    "@babel/helper-compilation-targets": "^7.25.9",
+    "@babel/code-frame": "^7.26.2",
+    "@babel/generator": "^7.26.5",
+    "@babel/helper-compilation-targets": "^7.26.5",
     "@babel/helper-module-transforms": "^7.26.0",
-    "@babel/helpers": "^7.26.0",
-    "@babel/parser": "^7.26.0",
+    "@babel/helpers": "^7.26.7",
+    "@babel/parser": "^7.26.7",
     "@babel/template": "^7.25.9",
-    "@babel/traverse": "^7.25.9",
-    "@babel/types": "^7.26.0",
+    "@babel/traverse": "^7.26.7",
+    "@babel/types": "^7.26.7",
     "convert-source-map": "^2.0.0",
@@ -67,7 +67,7 @@ "debug": "^4.1.0",
   "devDependencies": {
-    "@babel/helper-transform-fixture-test-runner": "^7.26.0",
+    "@babel/helper-transform-fixture-test-runner": "^7.26.5",
     "@babel/plugin-syntax-flow": "^7.26.0",
-    "@babel/plugin-transform-flow-strip-types": "^7.25.9",
-    "@babel/plugin-transform-modules-commonjs": "^7.25.9",
-    "@babel/preset-env": "^7.26.0",
+    "@babel/plugin-transform-flow-strip-types": "^7.26.5",
+    "@babel/plugin-transform-modules-commonjs": "^7.26.3",
+    "@babel/preset-env": "^7.26.7",
     "@babel/preset-typescript": "^7.26.0",
@@ -74,0 +74,0 @@ "@jridgewell/trace-mapping": "^0.3.25",

No alert changes

Improved metrics

Total package byte prevSize

795265

increased by0.21%

Lines of code

6940

increased by0.2%

Dependency changes

• + Added@babel/compat-data@7.26.5(transitive)

• + Added@babel/generator@7.26.5(transitive)

• + Added@babel/parser@7.26.7(transitive)

• + Added@babel/template@7.25.9(transitive)

• + Added@babel/traverse@7.26.7(transitive)

• + Added@babel/types@7.26.7(transitive)

• - Removed@babel/compat-data@7.26.8(transitive)

• - Removed@babel/generator@7.26.8(transitive)

• - Removed@babel/parser@7.26.8(transitive)

• - Removed@babel/template@7.26.8(transitive)

• - Removed@babel/traverse@7.26.8(transitive)

• - Removed@babel/types@7.26.8(transitive)

• Updated@babel/code-frame@^7.26.2

• Updated@babel/generator@^7.26.5

• Updated@babel/helper-compilation-targets@^7.26.5

• Updated@babel/helpers@^7.26.7

• Updated@babel/parser@^7.26.7

• Updated@babel/traverse@^7.26.7

• Updated@babel/types@^7.26.7