@babel/core - npm Package Compare versions

Comparing version 8.0.0-alpha.15 to 8.0.0-alpha.16

lib/config/files/configuration.js

@@ -180,3 +180,5 @@ import buildDebug from "debug";
     case ".mjs":
+    case ".ts":
     case ".cts":
+    case ".mts":
       return readConfigCode(filepath, {
@@ -183,0 +185,0 @@ envName,

lib/config/files/module-types.js

@@ -37,23 +37,32 @@ import { isAsync, waitFor } from "../../gensync-utils/async.js";
 });
-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();
 export default function* loadCodeDefault(filepath, loader, esmError, tlaError) {
   let async;
-  let ext = path.extname(filepath);
-  if (!SUPPORTED_EXTENSIONS.has(ext)) ext = ".js";
-  const pattern = `${loader} ${ext}`;
+  const ext = path.extname(filepath);
+  const isTS = ext === ".ts" || ext === ".cts" || ext === ".mts";
+  const type = SUPPORTED_EXTENSIONS[Object.hasOwn(SUPPORTED_EXTENSIONS, ext) ? ext : ".js"];
+  const pattern = `${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);
       }
-    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);
@@ -71,5 +80,6 @@ }
       }
-    case "auto .mjs":
+    case "auto esm":
       if (async ??= yield* isAsync()) {
-        return (yield* waitFor(loadMjsFromPath(filepath))).default;
+        const promise = isTS ? ensureTsSupport(filepath, ext, () => loadMjsFromPath(filepath)) : loadMjsFromPath(filepath);
+        return (yield* waitFor(promise)).default;
       }
@@ -81,45 +91,47 @@ throw new ConfigError(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
-      }, {})]]
-    };
-    handler = function (m, filename) {
-      if (handler && filename.endsWith(ext)) {
-        try {
-          return m._compile(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(`\
+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
+    }, {})]]
+  };
+  let handler = function (m, filename) {
+    if (handler && filename.endsWith(".cts")) {
+      try {
+        return m._compile(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;
   }
@@ -126,0 +138,0 @@ }

lib/index.d.ts

@@ -7,3 +7,3 @@ import * as _babel_traverse from '@babel/traverse';
 import { SourceMapConverter } from 'convert-source-map';
-import { ParserOptions, File as File$1, tokTypes } from '@babel/parser';
+import { ParserOptions, ParseResult, tokTypes } from '@babel/parser';
 export { tokTypes } from '@babel/parser';
@@ -459,3 +459,3 @@ import template from '@babel/template';
     (err: Error, ast: null): void;
-    (err: null, ast: File$1 | null): void;
+    (err: null, ast: ParseResult | null): void;
 };
@@ -465,8 +465,8 @@ type Parse = {
     (code: string, opts: InputOptions | undefined | null, callback: FileParseCallback): void;
-    (code: string, opts?: InputOptions | null): File$1 | null;
+    (code: string, opts?: InputOptions | null): ParseResult | null;
 };
-declare const parseRunner: gensync.Gensync<[code: string, opts: ValidatedOptions], File$1, unknown>;
+declare const parseRunner: gensync.Gensync<[code: string, opts: ValidatedOptions], ParseResult, unknown>;
 declare const parse: Parse;
-declare function parseSync(...args: Parameters<typeof parseRunner.sync>): File$1;
-declare function parseAsync(...args: Parameters<typeof parseRunner.async>): Promise<File$1>;
+declare function parseSync(...args: Parameters<typeof parseRunner.sync>): ParseResult;
+declare function parseAsync(...args: Parameters<typeof parseRunner.async>): Promise<ParseResult>;
 
@@ -473,0 +473,0 @@ declare const version: string;

lib/index.js

 ;
-export const version = "8.0.0-alpha.15";
+export const version = "8.0.0-alpha.16";
 export { default as File } from "./transformation/file/file.js";
@@ -4,0 +4,0 @@ export { default as buildExternalHelpers } from "./tools/build-external-helpers.js";

lib/transformation/file/file.js

@@ -11,3 +11,2 @@ import * as helpers from "@babel/helpers";
 import semver from "semver";
-import * as babel7 from "./babel-7-helpers.cjs";
 const errorVisitor = {
@@ -14,0 +13,0 @@ enter(path, state) {

package.json

 {
   "name": "@babel/core",
-  "version": "8.0.0-alpha.15",
+  "version": "8.0.0-alpha.16",
   "description": "Babel compiler core.",
@@ -50,10 +50,11 @@ "main": "./lib/index.js",
     "@ampproject/remapping": "^2.2.0",
-    "@babel/code-frame": "^8.0.0-alpha.15",
-    "@babel/generator": "^8.0.0-alpha.15",
-    "@babel/helper-compilation-targets": "^8.0.0-alpha.15",
-    "@babel/helpers": "^8.0.0-alpha.15",
-    "@babel/parser": "^8.0.0-alpha.15",
-    "@babel/template": "^8.0.0-alpha.15",
-    "@babel/traverse": "^8.0.0-alpha.15",
-    "@babel/types": "^8.0.0-alpha.15",
+    "@babel/code-frame": "^8.0.0-alpha.16",
+    "@babel/generator": "^8.0.0-alpha.16",
+    "@babel/helper-compilation-targets": "^8.0.0-alpha.16",
+    "@babel/helpers": "^8.0.0-alpha.16",
+    "@babel/parser": "^8.0.0-alpha.16",
+    "@babel/template": "^8.0.0-alpha.16",
+    "@babel/traverse": "^8.0.0-alpha.16",
+    "@babel/types": "^8.0.0-alpha.16",
+    "@types/gensync": "^1.0.0",
     "convert-source-map": "^2.0.0",
@@ -66,12 +67,11 @@ "debug": "^4.1.0",
   "devDependencies": {
-    "@babel/helper-transform-fixture-test-runner": "^8.0.0-alpha.15",
-    "@babel/plugin-syntax-flow": "^8.0.0-alpha.15",
-    "@babel/plugin-transform-flow-strip-types": "^8.0.0-alpha.15",
-    "@babel/plugin-transform-modules-commonjs": "^8.0.0-alpha.15",
-    "@babel/preset-env": "^8.0.0-alpha.15",
-    "@babel/preset-typescript": "^8.0.0-alpha.15",
+    "@babel/helper-transform-fixture-test-runner": "^8.0.0-alpha.16",
+    "@babel/plugin-syntax-flow": "^8.0.0-alpha.16",
+    "@babel/plugin-transform-flow-strip-types": "^8.0.0-alpha.16",
+    "@babel/plugin-transform-modules-commonjs": "^8.0.0-alpha.16",
+    "@babel/preset-env": "^8.0.0-alpha.16",
+    "@babel/preset-typescript": "^8.0.0-alpha.16",
     "@jridgewell/trace-mapping": "^0.3.25",
     "@types/convert-source-map": "^2.0.0",
     "@types/debug": "^4.1.0",
-    "@types/gensync": "^1.0.0",
     "@types/resolve": "^1.3.2",
@@ -78,0 +78,0 @@ "@types/semver": "^5.4.0",

No alert changes

Improved metrics

Total package byte prevSize

755324

0.24%

Dev dependency count

13

-7.14%

Lines of code

6034

0.25%

Worsened metrics

Dependency count

16

6.67%

Dependency changes

• + Added

  @types/gensync@^1.0.0

• Updated

  @babel/code-frame@^8.0.0-alpha.16

• Updated

  @babel/generator@^8.0.0-alpha.16

• Updated

  @babel/helper-compilation-targets@^8.0.0-alpha.16

• Updated

  @babel/helpers@^8.0.0-alpha.16

• Updated

  @babel/parser@^8.0.0-alpha.16

• Updated

  @babel/template@^8.0.0-alpha.16

• Updated

  @babel/traverse@^8.0.0-alpha.16

• Updated

  @babel/types@^8.0.0-alpha.16