Internally rename proposal-* to transform-* in preset-env

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

@@ -16,6 +16,9 @@
   "transform-template-literals": [
     "bugfix/transform-tagged-template-caching"
   ],
+  "transform-optional-chaining": [
+    "bugfix/transform-v8-spread-parameters-in-optional-chaining"
+  ],
   "proposal-optional-chaining": [
     "bugfix/transform-v8-spread-parameters-in-optional-chaining"
   ]

packages/babel-compat-data/data/plugin-bugfixes.json

@@ -88,6 +88,17 @@
     "ios": "13.4",
     "electron": "13.0"
   },
+  "transform-optional-chaining": {
+    "chrome": "80",
+    "opera": "67",
+    "edge": "80",
+    "firefox": "74",
+    "safari": "13.1",
+    "node": "14",
+    "ios": "13.4",
+    "samsung": "13",
+    "electron": "8.0"
+  },
   "proposal-optional-chaining": {
     "chrome": "80",
     "opera": "67",

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

@@ -1,4 +1,12 @@
 {
+  "transform-class-static-block": {
+    "chrome": "94",
+    "opera": "80",
+    "edge": "94",
+    "firefox": "93",
+    "node": "16.11",
+    "electron": "15.0"
+  },
   "proposal-class-static-block": {
     "chrome": "94",
     "opera": "80",
@@ -7,6 +15,16 @@
     "node": "16.11",
     "electron": "15.0"
   },
+  "transform-private-property-in-object": {
+    "chrome": "91",
+    "opera": "77",
+    "edge": "91",
+    "firefox": "90",
+    "safari": "15",
+    "node": "16.9",
+    "ios": "15",
+    "electron": "13.0"
+  },
   "proposal-private-property-in-object": {
     "chrome": "91",
     "opera": "77",
@@ -17,6 +35,17 @@
     "ios": "15",
     "electron": "13.0"
   },
+  "transform-class-properties": {
+    "chrome": "74",
+    "opera": "62",
+    "edge": "79",
+    "firefox": "90",
+    "safari": "14.1",
+    "node": "12",
+    "ios": "15",
+    "samsung": "11",
+    "electron": "6.0"
+  },
   "proposal-class-properties": {
     "chrome": "74",
     "opera": "62",
@@ -28,6 +57,17 @@
     "samsung": "11",
     "electron": "6.0"
   },
+  "transform-private-methods": {
+    "chrome": "84",
+    "opera": "70",
+    "edge": "84",
+    "firefox": "90",
+    "safari": "15",
+    "node": "14.6",
+    "ios": "15",
+    "samsung": "14",
+    "electron": "10.0"
+  },
   "proposal-private-methods": {
     "chrome": "84",
     "opera": "70",
@@ -39,6 +79,18 @@
     "samsung": "14",
     "electron": "10.0"
   },
+  "transform-numeric-separator": {
+    "chrome": "75",
+    "opera": "62",
+    "edge": "79",
+    "firefox": "70",
+    "safari": "13",
+    "node": "12.5",
+    "ios": "13",
+    "samsung": "11",
+    "rhino": "1.7.14",
+    "electron": "6.0"
+  },
   "proposal-numeric-separator": {
     "chrome": "75",
     "opera": "62",
@@ -51,6 +103,17 @@
     "rhino": "1.7.14",
     "electron": "6.0"
   },
+  "transform-logical-assignment-operators": {
+    "chrome": "85",
+    "opera": "71",
+    "edge": "85",
+    "firefox": "79",
+    "safari": "14",
+    "node": "15",
+    "ios": "14",
+    "samsung": "14",
+    "electron": "10.0"
+  },
   "proposal-logical-assignment-operators": {
     "chrome": "85",
     "opera": "71",
@@ -62,6 +125,17 @@
     "samsung": "14",
     "electron": "10.0"
   },
+  "transform-nullish-coalescing-operator": {
+    "chrome": "80",
+    "opera": "67",
+    "edge": "80",
+    "firefox": "72",
+    "safari": "13.1",
+    "node": "14",
+    "ios": "13.4",
+    "samsung": "13",
+    "electron": "8.0"
+  },
   "proposal-nullish-coalescing-operator": {
     "chrome": "80",
     "opera": "67",
@@ -73,6 +147,16 @@
     "samsung": "13",
     "electron": "8.0"
   },
+  "transform-optional-chaining": {
+    "chrome": "91",
+    "opera": "77",
+    "edge": "91",
+    "firefox": "74",
+    "safari": "13.1",
+    "node": "16.9",
+    "ios": "13.4",
+    "electron": "13.0"
+  },
   "proposal-optional-chaining": {
     "chrome": "91",
     "opera": "77",
@@ -83,6 +167,18 @@
     "ios": "13.4",
     "electron": "13.0"
   },
+  "transform-json-strings": {
+    "chrome": "66",
+    "opera": "53",
+    "edge": "79",
+    "firefox": "62",
+    "safari": "12",
+    "node": "10",
+    "ios": "12",
+    "samsung": "9",
+    "rhino": "1.7.14",
+    "electron": "3.0"
+  },
   "proposal-json-strings": {
     "chrome": "66",
     "opera": "53",
@@ -95,6 +191,17 @@
     "rhino": "1.7.14",
     "electron": "3.0"
   },
+  "transform-optional-catch-binding": {
+    "chrome": "66",
+    "opera": "53",
+    "edge": "79",
+    "firefox": "58",
+    "safari": "11.1",
+    "node": "10",
+    "ios": "11.3",
+    "samsung": "9",
+    "electron": "3.0"
+  },
   "proposal-optional-catch-binding": {
     "chrome": "66",
     "opera": "53",
@@ -115,6 +222,17 @@
     "samsung": "5",
     "electron": "0.37"
   },
+  "transform-async-generator-functions": {
+    "chrome": "63",
+    "opera": "50",
+    "edge": "79",
+    "firefox": "57",
+    "safari": "12",
+    "node": "10",
+    "ios": "12",
+    "samsung": "8",
+    "electron": "3.0"
+  },
   "proposal-async-generator-functions": {
     "chrome": "63",
     "opera": "50",
@@ -126,6 +244,17 @@
     "samsung": "8",
     "electron": "3.0"
   },
+  "transform-object-rest-spread": {
+    "chrome": "60",
+    "opera": "47",
+    "edge": "79",
+    "firefox": "55",
+    "safari": "11.1",
+    "node": "8.3",
+    "ios": "11.3",
+    "samsung": "8",
+    "electron": "2.0"
+  },
   "proposal-object-rest-spread": {
     "chrome": "60",
     "opera": "47",
@@ -148,6 +277,17 @@
     "samsung": "8",
     "electron": "3.0"
   },
+  "transform-unicode-property-regex": {
+    "chrome": "64",
+    "opera": "51",
+    "edge": "79",
+    "firefox": "78",
+    "safari": "11.1",
+    "node": "10",
+    "ios": "11.3",
+    "samsung": "9",
+    "electron": "3.0"
+  },
   "proposal-unicode-property-regex": {
     "chrome": "64",
     "opera": "51",
@@ -462,6 +602,19 @@
     "rhino": "1.7.13",
     "electron": "0.20"
   },
+  "transform-export-namespace-from": {
+    "chrome": "72",
+    "and_chr": "72",
+    "edge": "79",
+    "firefox": "80",
+    "and_ff": "80",
+    "node": "13.2",
+    "opera": "60",
+    "op_mob": "51",
+    "samsung": "11.0",
+    "android": "72",
+    "electron": "5.0"
+  },
   "proposal-export-namespace-from": {
     "chrome": "72",
     "and_chr": "72",

packages/babel-compat-data/scripts/build-bugfixes-targets.js

@@ -4,7 +4,12 @@
 
 const path = require("path");
 
-const { generateData, environments, writeFile } = require("./utils-build-data");
+const {
+  generateData,
+  environments,
+  writeFile,
+  defineLegacyPluginAliases,
+} = require("./utils-build-data");
 
 const pluginBugfixes = require("./data/plugin-bugfixes");
 const pluginFeatures = require("./data/plugin-features");
@@ -34,7 +39,7 @@ for (const [filename, data] of [
 ]) {
   const dataPath = path.join(__dirname, `../data/${filename}.json`);
 
-  if (!writeFile(data, dataPath, filename)) {
+  if (!writeFile(defineLegacyPluginAliases(data), dataPath, filename)) {
     process.exitCode = 1;
     break;
   }

packages/babel-compat-data/scripts/build-data.js

@@ -3,13 +3,18 @@
 const path = require("path");
 const compatData = require("@mdn/browser-compat-data").javascript;
 const { process } = require("./build-modules-support");
-const { generateData, environments, writeFile } = require("./utils-build-data");
+const {
+  generateData,
+  environments,
+  writeFile,
+  defineLegacyPluginAliases,
+} = require("./utils-build-data");
 
 for (const target of ["plugin", "corejs2-built-in"]) {
   // We ignore 'overlapping' here, because it's already generated by
   // built-bugfixes-targets.js which has a complete view over all the
   // plugins that we have data for.
-  const { data: newData } = generateData(
+  let { data: newData } = generateData(
     environments,
     require(`./data/${target}-features`)
   );
@@ -21,7 +26,11 @@ for (const target of ["plugin", "corejs2-built-in"]) {
     // the node.js compat data is 12.0, the first node version ships `export *` behind a flag
     // here we overwrite to 13.2 which is the first unflagged version
     exportNamespaceFromCompatData.node = "13.2";
-    newData["proposal-export-namespace-from"] = exportNamespaceFromCompatData;
+    newData["transform-export-namespace-from"] = exportNamespaceFromCompatData;
+
+    // Add proposal-* aliases for backward compatibility.
+    // TODO(Babel 7): This won't be needed anymore.
+    newData = defineLegacyPluginAliases(newData);
   }
   const dataPath = path.join(__dirname, `../data/${target}s.json`);
 

packages/babel-compat-data/scripts/data/legacy-plugin-aliases.js

@@ -0,0 +1,20 @@
+// TODO(Babel 7): This won't be needed anymore
+
+// prettier-ignore
+module.exports = {
+  __proto__: null,
+  "transform-class-static-block": "proposal-class-static-block",
+  "transform-private-property-in-object": "proposal-private-property-in-object",
+  "transform-class-properties": "proposal-class-properties",
+  "transform-private-methods": "proposal-private-methods",
+  "transform-numeric-separator": "proposal-numeric-separator",
+  "transform-logical-assignment-operators": "proposal-logical-assignment-operators",
+  "transform-nullish-coalescing-operator": "proposal-nullish-coalescing-operator",
+  "transform-optional-chaining": "proposal-optional-chaining",
+  "transform-json-strings": "proposal-json-strings",
+  "transform-optional-catch-binding": "proposal-optional-catch-binding",
+  "transform-async-generator-functions": "proposal-async-generator-functions",
+  "transform-object-rest-spread": "proposal-object-rest-spread",
+  "transform-unicode-property-regex": "proposal-unicode-property-regex",
+  "transform-export-namespace-from": "proposal-export-namespace-from",
+};

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

@@ -43,6 +43,6 @@ module.exports = {
     features: [
       "optional chaining operator (?.) / spread parameters after optional chaining",
     ],
-    replaces: "proposal-optional-chaining",
+    replaces: "transform-optional-chaining",
   },
 };