standalone: update preset-stage-* (#13476)

* Move classStaticBlock to stage-3

* Remove stage-4 proposals

* Move PrivatePropertyInObject

* Remove options from preset-stage-3

* Move RecordAndTuple to stage-2

* Move ModuleBlocks to stage-2

* Undo breaking change

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

packages/babel-standalone/src/preset-stage-1.ts

@@ -9,20 +9,24 @@ export default (_: any, opts: any = {}) => {
     decoratorsBeforeExport,
     pipelineProposal = "minimal",
     pipelineTopicToken = "%",
-    recordAndTupleSyntax: recordAndTupleSyntax = "hash",
+    recordAndTupleSyntax,
   } = opts;
 
   return {
     presets: [
       [
         presetStage2,
-        { loose, useBuiltIns, decoratorsLegacy, decoratorsBeforeExport },
+        {
+          loose,
+          useBuiltIns,
+          decoratorsLegacy,
+          decoratorsBeforeExport,
+          recordAndTupleSyntax,
+        },
       ],
     ],
     plugins: [
       babelPlugins.syntaxDecimal,
-      [babelPlugins.syntaxRecordAndTuple, { syntaxType: recordAndTupleSyntax }],
-      babelPlugins.syntaxModuleBlocks,
       babelPlugins.proposalExportDefaultFrom,
       [
         babelPlugins.proposalPipelineOperator,

packages/babel-standalone/src/preset-stage-2.ts

@@ -7,19 +7,20 @@ export default (_: any, opts: any = {}) => {
     useBuiltIns = false,
     decoratorsLegacy = false,
     decoratorsBeforeExport,
+    recordAndTupleSyntax = "hash",
   } = opts;
 
   return {
     presets: [[presetStage3, { loose, useBuiltIns }]],
     plugins: [
-      babelPlugins.proposalClassStaticBlock,
       [
         babelPlugins.proposalDecorators,
         { legacy: decoratorsLegacy, decoratorsBeforeExport },
       ],
       babelPlugins.proposalFunctionSent,
-      babelPlugins.proposalPrivatePropertyInObject,
       babelPlugins.proposalThrowExpressions,
+      [babelPlugins.syntaxRecordAndTuple, { syntaxType: recordAndTupleSyntax }],
+      babelPlugins.syntaxModuleBlocks,
     ],
   };
 };

packages/babel-standalone/src/preset-stage-3.ts

@@ -1,15 +1,14 @@
 import * as babelPlugins from "./generated/plugins";
 
-export default (_: any, opts: any) => {
-  let loose = false;
+export default (_: any, { loose = false } = {}) => {
+  const plugins = [
+    babelPlugins.syntaxImportAssertions,
+    babelPlugins.proposalClassStaticBlock,
+  ];
 
-  if (opts !== undefined) {
-    if (opts.loose !== undefined) loose = opts.loose;
-  }
-
-  return {
-    plugins: [
-      babelPlugins.syntaxImportAssertions,
+  if (!process.env.BABEL_8_BREAKING) {
+    // These are Stage 4
+    plugins.push(
       babelPlugins.syntaxImportMeta,
       babelPlugins.syntaxTopLevelAwait,
       babelPlugins.proposalExportNamespaceFrom,
@@ -20,6 +19,9 @@ export default (_: any, opts: any) => {
       babelPlugins.proposalJsonStrings,
       babelPlugins.proposalNumericSeparator,
       [babelPlugins.proposalPrivateMethods, { loose }],
-    ],
-  };
+      babelPlugins.proposalPrivatePropertyInObject,
+    );
+  }
+
+  return { plugins };
 };