@babel/plugin-syntax-decorators - npm Package Compare versions

Comparing version 7.16.7 to 7.17.0

lib/index.js

@@ -13,19 +13,27 @@ "use strict";
   const {
-    legacy = false
+    legacy,
+    version = legacy ? "legacy" : "2018-09",
+    decoratorsBeforeExport = version === "2021-12" ? false : undefined
   } = options;
 
-  if (typeof legacy !== "boolean") {
-    throw new Error("'legacy' must be a boolean.");
+  if (version !== "2021-12" && version !== "2018-09" && version !== "legacy") {
+    throw new Error("Unsupported decorators version: " + version);
   }
 
-  const {
-    decoratorsBeforeExport
-  } = options;
+  if (legacy !== undefined) {
+    if (typeof legacy !== "boolean") {
+      throw new Error(".legacy must be a boolean.");
+    }
 
+    if (options.version !== undefined) {
+      throw new Error("You can either use the .legacy or the .version option, not both.");
+    }
+  }
+
   if (decoratorsBeforeExport === undefined) {
-    if (!legacy) {
-      throw new Error("The '@babel/plugin-syntax-decorators' plugin requires a" + " 'decoratorsBeforeExport' option, whose value must be a boolean." + " If you want to use the legacy decorators semantics, you can set" + " the 'legacy: true' option.");
+    if (version === "2018-09") {
+      throw new Error("The decorators plugin, when .version is '2018-09' or not specified," + " requires a 'decoratorsBeforeExport' option, whose value must be a boolean.");
     }
   } else {
-    if (legacy) {
+    if (version === "legacy") {
       throw new Error("'decoratorsBeforeExport' can't be used with legacy decorators.");
@@ -42,6 +50,18 @@ }
 
-    manipulateOptions(opts, parserOpts) {
-      parserOpts.plugins.push(legacy ? "decorators-legacy" : ["decorators", {
-        decoratorsBeforeExport
-      }]);
+    manipulateOptions({
+      generatorOpts
+    }, parserOpts) {
+      if (version === "legacy") {
+        parserOpts.plugins.push("decorators-legacy");
+      } else if (version === "2018-09") {
+        parserOpts.plugins.push(["decorators", {
+          decoratorsBeforeExport
+        }]);
+        generatorOpts.decoratorsBeforeExport = decoratorsBeforeExport;
+      } else {
+        parserOpts.plugins.push(["decorators", {
+          decoratorsBeforeExport
+        }], "decoratorAutoAccessors");
+        generatorOpts.decoratorsBeforeExport = decoratorsBeforeExport;
+      }
     }
@@ -48,0 +68,0 @@

package.json

 {
   "name": "@babel/plugin-syntax-decorators",
-  "version": "7.16.7",
+  "version": "7.17.0",
   "description": "Allow parsing of decorators",
@@ -26,3 +26,3 @@ "repository": {
   "devDependencies": {
-    "@babel/core": "^7.16.7"
+    "@babel/core": "^7.17.0"
   },
@@ -29,0 +29,0 @@ "engines": {

No alert changes

Improved metrics

Total package byte prevSize

4271

increased by21.3%

Lines of code

57

increased by50%

No dependency changes