From 4fcf73154bc376323a82841e9904a2e97cdb6982 Mon Sep 17 00:00:00 2001
From: Denis Pushkarev <zloirock@zloirock.ru>
Date: Fri, 22 Apr 2022 08:14:59 +0700
Subject: [PATCH] update Babel config

---
 babel.config.js | 43 ++++++++++++++++++++++++++++++++++++-------
 package.json    | 13 +++++++++++--
 2 files changed, 47 insertions(+), 9 deletions(-)

diff --git a/babel.config.js b/babel.config.js
index ebe78f52822a..01b52146c3e6 100644
--- a/babel.config.js
+++ b/babel.config.js
@@ -2,10 +2,15 @@
 module.exports = {
   // use transforms which does not use ES5+ builtins
   plugins: [
+    ['@babel/proposal-class-static-block'],
+    // private instance props in IE8- only with polyfills
     ['@babel/proposal-class-properties'],
+    ['@babel/proposal-private-methods'],
+    ['@babel/proposal-private-property-in-object'],
     ['@babel/proposal-logical-assignment-operators'],
     ['@babel/proposal-nullish-coalescing-operator'],
     ['@babel/proposal-numeric-separator'],
+    ['@babel/proposal-object-rest-spread'],
     ['@babel/proposal-optional-catch-binding'],
     ['@babel/proposal-optional-chaining'],
     ['@babel/transform-member-expression-literals'],
@@ -13,17 +18,41 @@ module.exports = {
     ['@babel/transform-arrow-functions'],
     ['@babel/transform-block-scoped-functions'],
     ['@babel/transform-block-scoping'],
+    // it seems `setClassMethods` unlike `loose` does not work
     ['@babel/transform-classes', { loose: true }],
-    ['@babel/transform-computed-properties', { loose: true }],
-    ['@babel/transform-destructuring', { loose: true }],
+    ['@babel/transform-computed-properties'],
+    ['@babel/transform-destructuring'],
+    ['@babel/transform-exponentiation-operator'],
+    ['@babel/transform-for-of'],
     ['@babel/transform-literals'],
+    ['@babel/transform-new-target'],
+    ['@babel/transform-object-super'],
     ['@babel/transform-parameters'],
+    ['@babel/transform-reserved-words'],
     ['@babel/transform-shorthand-properties'],
-    ['@babel/transform-spread', { loose: true }],
-    ['@babel/transform-template-literals', { loose: true, spec: true }],
-    ['@babel/transform-exponentiation-operator'],
-    ['transform-for-of-as-array'],
+    ['@babel/transform-spread'],
+    ['@babel/transform-template-literals'],
+    ['@babel/transform-unicode-regex'],
     // use it instead of webpack es modules for support engines without descriptors
-    ['transform-es2015-modules-simple-commonjs'],
+    ['@babel/transform-modules-commonjs'],
   ],
+  assumptions: {
+    constantReexports: true,
+    constantSuper: true,
+    enumerableModuleMeta: true,
+    iterableIsArray: true,
+    mutableTemplateObject: true,
+    noClassCalls: true,
+    noDocumentAll: true,
+    noIncompleteNsImportDetection: true,
+    noNewArrows: true,
+    objectRestNoSymbols: true,
+    privateFieldsAsProperties: true,
+    setClassMethods: true,
+    setComputedProperties: true,
+    setPublicClassFields: true,
+    setSpreadProperties: true,
+    skipForOfIteratorClosing: true,
+    superIsCallableConstructor: true,
+  },
 };
diff --git a/package.json b/package.json
index 116eed7531c8..a3f3158863ae 100644
--- a/package.json
+++ b/package.json
@@ -4,11 +4,16 @@
     "@babel/cli": "^7.17.6",
     "@babel/core": "^7.17.9",
     "@babel/plugin-proposal-class-properties": "^7.16.7",
+    "@babel/plugin-proposal-class-static-block": "^7.17.6",
+    "@babel/plugin-proposal-decorators": "^7.17.9",
     "@babel/plugin-proposal-logical-assignment-operators": "^7.16.7",
     "@babel/plugin-proposal-nullish-coalescing-operator": "^7.16.7",
     "@babel/plugin-proposal-numeric-separator": "^7.16.7",
+    "@babel/plugin-proposal-object-rest-spread": "^7.17.3",
     "@babel/plugin-proposal-optional-catch-binding": "^7.16.7",
     "@babel/plugin-proposal-optional-chaining": "^7.16.7",
+    "@babel/plugin-proposal-private-methods": "^7.16.11",
+    "@babel/plugin-proposal-private-property-in-object": "^7.16.7",
     "@babel/plugin-transform-arrow-functions": "^7.16.7",
     "@babel/plugin-transform-block-scoped-functions": "^7.16.7",
     "@babel/plugin-transform-block-scoping": "^7.16.7",
@@ -16,17 +21,21 @@
     "@babel/plugin-transform-computed-properties": "^7.16.7",
     "@babel/plugin-transform-destructuring": "^7.17.7",
     "@babel/plugin-transform-exponentiation-operator": "^7.16.7",
+    "@babel/plugin-transform-for-of": "^7.16.7",
     "@babel/plugin-transform-literals": "^7.16.7",
     "@babel/plugin-transform-member-expression-literals": "^7.16.7",
+    "@babel/plugin-transform-modules-commonjs": "^7.17.9",
+    "@babel/plugin-transform-new-target": "^7.16.7",
+    "@babel/plugin-transform-object-super": "^7.16.7",
     "@babel/plugin-transform-parameters": "^7.16.7",
     "@babel/plugin-transform-property-literals": "^7.16.7",
+    "@babel/plugin-transform-reserved-words": "^7.16.7",
     "@babel/plugin-transform-shorthand-properties": "^7.16.7",
     "@babel/plugin-transform-spread": "^7.16.7",
     "@babel/plugin-transform-template-literals": "^7.16.7",
+    "@babel/plugin-transform-unicode-regex": "^7.16.7",
     "@onslip/karma-playwright-launcher": "^0.2.1",
     "babel-loader": "^8.2.5",
-    "babel-plugin-transform-es2015-modules-simple-commonjs": "~0.3.0",
-    "babel-plugin-transform-for-of-as-array": "^1.1.1",
     "confusing-browser-globals": "^1.0.11",
     "core-js": "file:./packages/core-js",
     "core-js-builder": "file:./packages/core-js-builder",