Add class static blocks to preset-env's shippedProposals (#13114)

packages/babel-compat-data/data/plugins.json

@@ -1,4 +1,7 @@
 {
+  "proposal-class-static-block": {
+    "chrome": "91"
+  },
   "proposal-class-properties": {
     "chrome": "74",
     "opera": "62",
@@ -28,6 +31,7 @@
   },
   "proposal-logical-assignment-operators": {
     "chrome": "85",
+    "opera": "71",
     "edge": "85",
     "firefox": "79",
     "safari": "14",

packages/babel-compat-data/scripts/data/plugin-features.js

@@ -135,6 +135,7 @@ const es2021 = {
 };
 
 const shippedProposal = {
+  "proposal-class-static-block": "Class static initialization blocks",
   "proposal-class-properties": {
     features: [
       "static class fields",

packages/babel-compat-data/scripts/download-compat-table.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-COMPAT_TABLE_COMMIT=ab73608bddb6895f6f3296c03dba057b47ba8aea
+COMPAT_TABLE_COMMIT=ca2d70e305bc3295ade6b06a1c33a929db1ccacf
 GIT_HEAD=build/compat-table/.git/HEAD
 
 if [ -d "build/compat-table" ]; then

packages/babel-preset-env/data/shipped-proposals.js

@@ -4,13 +4,15 @@
 
 const proposalPlugins = new Set([
   "proposal-class-properties",
-  "proposal-private-methods"
+  "proposal-private-methods",
+  "proposal-class-static-block",
 ]);
 
 // use intermediary object to enforce alphabetical key order
 const pluginSyntaxObject = {
   "proposal-async-generator-functions": "syntax-async-generators",
   "proposal-class-properties": "syntax-class-properties",
+  "proposal-class-static-block": "syntax-class-static-block",
   "proposal-json-strings": "syntax-json-strings",
   "proposal-nullish-coalescing-operator": "syntax-nullish-coalescing-operator",
   "proposal-numeric-separator": "syntax-numeric-separator",

packages/babel-preset-env/package.json

@@ -23,6 +23,7 @@
     "@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining": "workspace:^7.13.12",
     "@babel/plugin-proposal-async-generator-functions": "workspace:^7.13.15",
     "@babel/plugin-proposal-class-properties": "workspace:^7.13.0",
+    "@babel/plugin-proposal-class-static-block": "workspace:^7.13.11",
     "@babel/plugin-proposal-dynamic-import": "workspace:^7.13.8",
     "@babel/plugin-proposal-export-namespace-from": "workspace:^7.12.13",
     "@babel/plugin-proposal-json-strings": "workspace:^7.13.8",
@@ -36,6 +37,7 @@
     "@babel/plugin-proposal-unicode-property-regex": "workspace:^7.12.13",
     "@babel/plugin-syntax-async-generators": "^7.8.4",
     "@babel/plugin-syntax-class-properties": "workspace:^7.12.13",
+    "@babel/plugin-syntax-class-static-block": "workspace:^7.12.13",
     "@babel/plugin-syntax-dynamic-import": "^7.8.3",
     "@babel/plugin-syntax-export-namespace-from": "^7.8.3",
     "@babel/plugin-syntax-json-strings": "^7.8.3",

packages/babel-preset-env/src/available-plugins.js

@@ -3,6 +3,7 @@
 
 import syntaxAsyncGenerators from "@babel/plugin-syntax-async-generators";
 import syntaxClassProperties from "@babel/plugin-syntax-class-properties";
+import syntaxClassStaticBlock from "@babel/plugin-syntax-class-static-block";
 import syntaxDynamicImport from "@babel/plugin-syntax-dynamic-import";
 import syntaxExportNamespaceFrom from "@babel/plugin-syntax-export-namespace-from";
 import syntaxJsonStrings from "@babel/plugin-syntax-json-strings";
@@ -15,6 +16,7 @@ import syntaxOptionalChaining from "@babel/plugin-syntax-optional-chaining";
 import syntaxTopLevelAwait from "@babel/plugin-syntax-top-level-await";
 import proposalAsyncGeneratorFunctions from "@babel/plugin-proposal-async-generator-functions";
 import proposalClassProperties from "@babel/plugin-proposal-class-properties";
+import proposalClassStaticBlock from "@babel/plugin-proposal-class-static-block";
 import proposalDynamicImport from "@babel/plugin-proposal-dynamic-import";
 import proposalExportNamespaceFrom from "@babel/plugin-proposal-export-namespace-from";
 import proposalJsonStrings from "@babel/plugin-proposal-json-strings";
@@ -78,6 +80,7 @@ export default {
     bugfixV8SpreadParametersInOptionalChaining,
   "proposal-async-generator-functions": () => proposalAsyncGeneratorFunctions,
   "proposal-class-properties": () => proposalClassProperties,
+  "proposal-class-static-block": () => proposalClassStaticBlock,
   "proposal-dynamic-import": () => proposalDynamicImport,
   "proposal-export-namespace-from": () => proposalExportNamespaceFrom,
   "proposal-json-strings": () => proposalJsonStrings,
@@ -93,6 +96,7 @@ export default {
   "proposal-unicode-property-regex": () => proposalUnicodePropertyRegex,
   "syntax-async-generators": () => syntaxAsyncGenerators,
   "syntax-class-properties": () => syntaxClassProperties,
+  "syntax-class-static-block": () => syntaxClassStaticBlock,
   "syntax-dynamic-import": () => syntaxDynamicImport,
   "syntax-export-namespace-from": () => syntaxExportNamespaceFrom,
   "syntax-json-strings": () => syntaxJsonStrings,
@@ -138,3 +142,7 @@ export default {
   "transform-unicode-escapes": () => transformUnicodeEscapes,
   "transform-unicode-regex": () => transformUnicodeRegex,
 };
+
+export const minVersions = {
+  "proposal-class-static-block": "7.12.0",
+};

packages/babel-preset-env/src/filter-items.js

@@ -1,5 +1,11 @@
 // @flow
 
+import { lt } from "semver";
+import { minVersions } from "./available-plugins";
+
+// $FlowIgnore
+const has = Function.call.bind(Object.hasOwnProperty);
+
 export function removeUnnecessaryItems(
   items: Set<string>,
   overlapping: { [name: string]: string[] },
@@ -8,3 +14,13 @@ export function removeUnnecessaryItems(
     overlapping[item]?.forEach(name => items.delete(name));
   });
 }
+export function removeUnsupportedItems(
+  items: Set<string>,
+  babelVersion: string,
+) {
+  items.forEach(item => {
+    if (has(minVersions, item) && lt(babelVersion, minVersions[item])) {
+      items.delete(item);
+    }
+  });
+}

packages/babel-preset-env/src/index.js

@@ -3,7 +3,7 @@
 import { SemVer, lt } from "semver";
 import { logPlugin } from "./debug";
 import getOptionSpecificExcludesFor from "./get-option-specific-excludes";
-import { removeUnnecessaryItems } from "./filter-items";
+import { removeUnnecessaryItems, removeUnsupportedItems } from "./filter-items";
 import moduleTransformations from "./module-transformations";
 import normalizeOptions from "./normalize-options";
 import { proposalPlugins, pluginSyntaxMap } from "../data/shipped-proposals";
@@ -374,6 +374,7 @@ option \`forceAllTransforms: true\` instead.
     pluginSyntaxMap,
   );
   removeUnnecessaryItems(pluginNames, overlappingPlugins);
+  removeUnsupportedItems(pluginNames, api.version);
 
   const polyfillPlugins = getPolyfillPlugins({
     useBuiltIns,

packages/babel-preset-env/test/fixtures/bugfixes/_esmodules-no-bugfixes/stdout.txt

@@ -17,7 +17,7 @@ Using modules transform: auto
 
 Using plugins:
   proposal-numeric-separator { android, chrome < 75, edge < 79, firefox < 70, ios < 13, opera < 62, safari < 13, samsung < 11 }
-  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera < 71, safari < 14, samsung }
   proposal-nullish-coalescing-operator { android, chrome < 80, edge < 80, firefox < 72, ios < 13.4, node < 14, opera < 67, safari < 13.1, samsung < 13 }
   proposal-optional-chaining { android, chrome, edge, firefox < 74, ios < 13.4, node, opera, safari < 13.1, samsung }
   proposal-json-strings { android, chrome < 66, edge < 79, firefox < 62, ios < 12, opera < 53, safari < 12, samsung < 9 }

packages/babel-preset-env/test/fixtures/bugfixes/_esmodules/stdout.txt

@@ -17,7 +17,7 @@ Using modules transform: auto
 
 Using plugins:
   proposal-numeric-separator { android, chrome < 75, edge < 79, firefox < 70, ios < 13, opera < 62, safari < 13, samsung < 11 }
-  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera < 71, safari < 14, samsung }
   proposal-nullish-coalescing-operator { android, chrome < 80, edge < 80, firefox < 72, ios < 13.4, node < 14, opera < 67, safari < 13.1, samsung < 13 }
   proposal-optional-chaining { android, chrome < 80, edge < 80, firefox < 74, ios < 13.4, node < 14, opera < 67, safari < 13.1, samsung < 13 }
   proposal-json-strings { android, chrome < 66, edge < 79, firefox < 62, ios < 12, opera < 53, safari < 12, samsung < 9 }

packages/babel-preset-env/test/fixtures/corejs2-babel-7/usage-browserslist-config-ignore/stdout.txt

@@ -17,7 +17,7 @@ Using modules transform: false
 
 Using plugins:
   proposal-numeric-separator { android, chrome < 75, edge < 79, firefox < 70, ios < 13, opera < 62, safari < 13, samsung < 11 }
-  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera < 71, safari < 14, samsung }
   proposal-nullish-coalescing-operator { android, chrome < 80, edge < 80, firefox < 72, ios < 13.4, node < 14, opera < 67, safari < 13.1, samsung < 13 }
   proposal-optional-chaining { android, chrome, edge, firefox < 74, ios < 13.4, node, opera, safari < 13.1, samsung }
   proposal-json-strings { android, chrome < 66, edge < 79, firefox < 62, ios < 12, opera < 53, safari < 12, samsung < 9 }

packages/babel-preset-env/test/fixtures/corejs2/usage-browserslist-config-ignore/stdout.txt

@@ -17,7 +17,7 @@ Using modules transform: false
 
 Using plugins:
   proposal-numeric-separator { android, chrome < 75, edge < 79, firefox < 70, ios < 13, opera < 62, safari < 13, samsung < 11 }
-  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera < 71, safari < 14, samsung }
   proposal-nullish-coalescing-operator { android, chrome < 80, edge < 80, firefox < 72, ios < 13.4, node < 14, opera < 67, safari < 13.1, samsung < 13 }
   proposal-optional-chaining { android, chrome, edge, firefox < 74, ios < 13.4, node, opera, safari < 13.1, samsung }
   proposal-json-strings { android, chrome < 66, edge < 79, firefox < 62, ios < 12, opera < 53, safari < 12, samsung < 9 }

packages/babel-preset-env/test/fixtures/corejs3-babel-7/usage-browserslist-config-ignore/stdout.txt

@@ -17,7 +17,7 @@ Using modules transform: false
 
 Using plugins:
   proposal-numeric-separator { android, chrome < 75, edge < 79, firefox < 70, ios < 13, opera < 62, safari < 13, samsung < 11 }
-  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera < 71, safari < 14, samsung }
   proposal-nullish-coalescing-operator { android, chrome < 80, edge < 80, firefox < 72, ios < 13.4, node < 14, opera < 67, safari < 13.1, samsung < 13 }
   proposal-optional-chaining { android, chrome, edge, firefox < 74, ios < 13.4, node, opera, safari < 13.1, samsung }
   proposal-json-strings { android, chrome < 66, edge < 79, firefox < 62, ios < 12, opera < 53, safari < 12, samsung < 9 }

packages/babel-preset-env/test/fixtures/corejs3/usage-browserslist-config-ignore/stdout.txt

@@ -17,7 +17,7 @@ Using modules transform: false
 
 Using plugins:
   proposal-numeric-separator { android, chrome < 75, edge < 79, firefox < 70, ios < 13, opera < 62, safari < 13, samsung < 11 }
-  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { android, chrome < 85, edge < 85, firefox < 79, ios < 14, node < 15, opera < 71, safari < 14, samsung }
   proposal-nullish-coalescing-operator { android, chrome < 80, edge < 80, firefox < 72, ios < 13.4, node < 14, opera < 67, safari < 13.1, samsung < 13 }
   proposal-optional-chaining { android, chrome, edge, firefox < 74, ios < 13.4, node, opera, safari < 13.1, samsung }
   proposal-json-strings { android, chrome < 66, edge < 79, firefox < 62, ios < 12, opera < 53, safari < 12, samsung < 9 }

packages/babel-preset-env/test/fixtures/debug-babel-7/browserslists-defaults-not-ie/stdout.txt

@@ -16,7 +16,7 @@ Using modules transform: auto
 
 Using plugins:
   syntax-numeric-separator
-  proposal-logical-assignment-operators { firefox < 79, ios < 14, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { firefox < 79, ios < 14, safari < 14, samsung }
   proposal-nullish-coalescing-operator { samsung < 13 }
   proposal-optional-chaining { android, chrome, edge, opera, samsung }
   syntax-json-strings

packages/babel-preset-env/test/fixtures/debug-babel-7/browserslists-defaults/stdout.txt

@@ -17,7 +17,7 @@ Using modules transform: auto
 
 Using plugins:
   proposal-numeric-separator { ie }
-  proposal-logical-assignment-operators { firefox < 79, ie, ios < 14, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { firefox < 79, ie, ios < 14, safari < 14, samsung }
   proposal-nullish-coalescing-operator { ie, samsung < 13 }
   proposal-optional-chaining { android, chrome, edge, ie, opera, samsung }
   proposal-json-strings { ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/browserslists-last-2-versions-not-ie/stdout.txt

@@ -16,7 +16,7 @@ Using modules transform: auto
 
 Using plugins:
   syntax-numeric-separator
-  proposal-logical-assignment-operators { ios < 14, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { ios < 14, safari < 14, samsung }
   proposal-nullish-coalescing-operator { samsung < 13 }
   proposal-optional-chaining { android, chrome, edge, opera, samsung }
   syntax-json-strings

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-shippedProposals-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs2-shippedProposals/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-all-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-all/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-babel-polyfill/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-es-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-es-proposals-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-es-proposals/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-es/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-runtime-only-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-runtime-only/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-specific-entries-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-specific-entries/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-stable-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-stable-samsung-8.2/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { samsung }
   proposal-class-properties { samsung }
   proposal-private-methods { samsung }
   proposal-numeric-separator { samsung < 11 }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-stable/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-stage-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-stage/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-web-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-corejs3-web/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/entry-no-corejs-shippedProposals/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/shippedProposals-chrome-80/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   syntax-numeric-separator

packages/babel-preset-env/test/fixtures/debug-babel-7/shippedProposals-chrome-84/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   syntax-class-properties
   syntax-numeric-separator
   proposal-logical-assignment-operators { chrome < 85 }

packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-shippedProposals-1/stdout.txt

@@ -10,6 +10,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91, firefox, ie }
   proposal-class-properties { chrome < 84, firefox, ie }
   proposal-private-methods { chrome < 84, firefox, ie }
   proposal-numeric-separator { chrome < 75, firefox < 70, ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs2-shippedProposals-2/stdout.txt

@@ -10,6 +10,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91, firefox, ie }
   proposal-class-properties { chrome < 84, firefox, ie }
   proposal-private-methods { chrome < 84, firefox, ie }
   proposal-numeric-separator { chrome < 75, firefox < 70, ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-shippedProposals-1/stdout.txt

@@ -10,6 +10,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91, firefox, ie }
   proposal-class-properties { chrome < 84, firefox, ie }
   proposal-private-methods { chrome < 84, firefox, ie }
   proposal-numeric-separator { chrome < 75, firefox < 70, ie }

packages/babel-preset-env/test/fixtures/debug-babel-7/usage-corejs3-shippedProposals-2/stdout.txt

@@ -10,6 +10,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91, firefox, ie }
   proposal-class-properties { chrome < 84, firefox, ie }
   proposal-private-methods { chrome < 84, firefox, ie }
   proposal-numeric-separator { chrome < 75, firefox < 70, ie }

packages/babel-preset-env/test/fixtures/debug/browserslists-defaults-not-ie/stdout.txt

@@ -16,7 +16,7 @@ Using modules transform: auto
 
 Using plugins:
   syntax-numeric-separator
-  proposal-logical-assignment-operators { firefox < 79, ios < 14, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { firefox < 79, ios < 14, safari < 14, samsung }
   proposal-nullish-coalescing-operator { samsung < 13 }
   proposal-optional-chaining { android, chrome, edge, opera, samsung }
   syntax-json-strings

packages/babel-preset-env/test/fixtures/debug/browserslists-defaults/stdout.txt

@@ -17,7 +17,7 @@ Using modules transform: auto
 
 Using plugins:
   proposal-numeric-separator { ie }
-  proposal-logical-assignment-operators { firefox < 79, ie, ios < 14, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { firefox < 79, ie, ios < 14, safari < 14, samsung }
   proposal-nullish-coalescing-operator { ie, samsung < 13 }
   proposal-optional-chaining { android, chrome, edge, ie, opera, samsung }
   proposal-json-strings { ie }

packages/babel-preset-env/test/fixtures/debug/browserslists-last-2-versions-not-ie/stdout.txt

@@ -16,7 +16,7 @@ Using modules transform: auto
 
 Using plugins:
   syntax-numeric-separator
-  proposal-logical-assignment-operators { ios < 14, opera, safari < 14, samsung }
+  proposal-logical-assignment-operators { ios < 14, safari < 14, samsung }
   proposal-nullish-coalescing-operator { samsung < 13 }
   proposal-optional-chaining { android, chrome, edge, opera, samsung }
   syntax-json-strings

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-shippedProposals-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug/entry-corejs2-shippedProposals/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-all-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-all/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-babel-polyfill/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es-proposals-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es-proposals/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-es/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-runtime-only-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-runtime-only/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-entries-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-specific-entries/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stable-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stable-samsung-8.2/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { samsung }
   proposal-class-properties { samsung }
   proposal-private-methods { samsung }
   proposal-numeric-separator { samsung < 11 }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stable/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stage-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-stage/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-web-chrome-71/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   proposal-numeric-separator { chrome < 75 }

packages/babel-preset-env/test/fixtures/debug/entry-corejs3-web/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug/entry-no-corejs-shippedProposals/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { ie }
   proposal-class-properties { ie }
   proposal-private-methods { ie }
   proposal-numeric-separator { ie }

packages/babel-preset-env/test/fixtures/debug/shippedProposals-chrome-80/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   proposal-class-properties { chrome < 84 }
   proposal-private-methods { chrome < 84 }
   syntax-numeric-separator

packages/babel-preset-env/test/fixtures/debug/shippedProposals-chrome-84/stdout.txt

@@ -8,6 +8,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91 }
   syntax-class-properties
   syntax-numeric-separator
   proposal-logical-assignment-operators { chrome < 85 }

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-1/stdout.txt

@@ -10,6 +10,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91, firefox, ie }
   proposal-class-properties { chrome < 84, firefox, ie }
   proposal-private-methods { chrome < 84, firefox, ie }
   proposal-numeric-separator { chrome < 75, firefox < 70, ie }

packages/babel-preset-env/test/fixtures/debug/usage-corejs2-shippedProposals-2/stdout.txt

@@ -10,6 +10,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91, firefox, ie }
   proposal-class-properties { chrome < 84, firefox, ie }
   proposal-private-methods { chrome < 84, firefox, ie }
   proposal-numeric-separator { chrome < 75, firefox < 70, ie }

packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-1/stdout.txt

@@ -10,6 +10,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91, firefox, ie }
   proposal-class-properties { chrome < 84, firefox, ie }
   proposal-private-methods { chrome < 84, firefox, ie }
   proposal-numeric-separator { chrome < 75, firefox < 70, ie }

packages/babel-preset-env/test/fixtures/debug/usage-corejs3-shippedProposals-2/stdout.txt

@@ -10,6 +10,7 @@ Using targets:
 Using modules transform: auto
 
 Using plugins:
+  proposal-class-static-block { chrome < 91, firefox, ie }
   proposal-class-properties { chrome < 84, firefox, ie }
   proposal-private-methods { chrome < 84, firefox, ie }
   proposal-numeric-separator { chrome < 75, firefox < 70, ie }

packages/babel-preset-env/test/fixtures/shipped-proposals/class-static-block-chrome-90/input.js

@@ -0,0 +1,5 @@
+class A {
+  static {
+    register(A);
+  }
+}

packages/babel-preset-env/test/fixtures/shipped-proposals/class-static-block-chrome-90/options.json

@@ -0,0 +1,4 @@
+{
+  "targets": { "chrome": 90 },
+  "presets": [["env", { "shippedProposals": true }]]
+}

packages/babel-preset-env/test/fixtures/shipped-proposals/class-static-block-chrome-90/output.js

@@ -0,0 +1,5 @@
+class A {
+  static #_ = (() => {
+    register(A);
+  })();
+}

packages/babel-preset-env/test/fixtures/shipped-proposals/class-static-block-chrome-91/input.js

@@ -0,0 +1,5 @@
+class A {
+  static {
+    register(A);
+  }
+}

packages/babel-preset-env/test/fixtures/shipped-proposals/class-static-block-chrome-91/options.json

@@ -0,0 +1,4 @@
+{
+  "targets": { "chrome": 91 },
+  "presets": [["env", { "shippedProposals": true }]]
+}

packages/babel-preset-env/test/fixtures/shipped-proposals/class-static-block-chrome-91/output.js

@@ -0,0 +1,5 @@
+class A {
+  static {
+    register(A);
+  }
+}

packages/babel-preset-env/test/fixtures/shipped-proposals/class-static-block-firefox-70/input.js

@@ -0,0 +1,5 @@
+class A {
+  static {
+    register(A);
+  }
+}

packages/babel-preset-env/test/fixtures/shipped-proposals/class-static-block-firefox-70/options.json

@@ -0,0 +1,4 @@
+{
+  "targets": { "firefox": 70 },
+  "presets": [["env", { "shippedProposals": true }]]
+}

packages/babel-preset-env/test/fixtures/shipped-proposals/class-static-block-firefox-70/output.js

@@ -0,0 +1,8 @@
+class A {}
+
+var _ = {
+  writable: true,
+  value: (() => {
+    register(A);
+  })()
+};

yarn.lock

@@ -1074,7 +1074,7 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@babel/plugin-proposal-class-static-block@workspace:*, @babel/plugin-proposal-class-static-block@workspace:packages/babel-plugin-proposal-class-static-block":
+"@babel/plugin-proposal-class-static-block@workspace:*, @babel/plugin-proposal-class-static-block@workspace:^7.13.11, @babel/plugin-proposal-class-static-block@workspace:packages/babel-plugin-proposal-class-static-block":
   version: 0.0.0-use.local
   resolution: "@babel/plugin-proposal-class-static-block@workspace:packages/babel-plugin-proposal-class-static-block"
   dependencies:
@@ -3088,6 +3088,7 @@ __metadata:
     "@babel/plugin-bugfix-v8-spread-parameters-in-optional-chaining": "workspace:^7.13.12"
     "@babel/plugin-proposal-async-generator-functions": "workspace:^7.13.15"
     "@babel/plugin-proposal-class-properties": "workspace:^7.13.0"
+    "@babel/plugin-proposal-class-static-block": "workspace:^7.13.11"
     "@babel/plugin-proposal-dynamic-import": "workspace:^7.13.8"
     "@babel/plugin-proposal-export-namespace-from": "workspace:^7.12.13"
     "@babel/plugin-proposal-json-strings": "workspace:^7.13.8"
@@ -3101,6 +3102,7 @@ __metadata:
     "@babel/plugin-proposal-unicode-property-regex": "workspace:^7.12.13"
     "@babel/plugin-syntax-async-generators": ^7.8.4
     "@babel/plugin-syntax-class-properties": "workspace:^7.12.13"
+    "@babel/plugin-syntax-class-static-block": "workspace:^7.12.13"
     "@babel/plugin-syntax-dynamic-import": ^7.8.3
     "@babel/plugin-syntax-export-namespace-from": ^7.8.3
     "@babel/plugin-syntax-json-strings": ^7.8.3