From e8dac621de9dba27b47646169562c0a0c2e02c96 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Thu, 9 Jan 2020 21:40:15 -0500
Subject: [PATCH] chore: specify package type (#10849)

---
 .../package.json                                                 | 1 +
 .../babel-plugin-codemod-optional-catch-binding/package.json     | 1 +
 eslint/babel-eslint-config-internal/package.json                 | 1 +
 eslint/babel-eslint-parser/package.json                          | 1 +
 eslint/babel-eslint-plugin-development/package.json              | 1 +
 eslint/babel-eslint-plugin/package.json                          | 1 +
 package.json                                                     | 1 +
 packages/babel-cli/package.json                                  | 1 +
 packages/babel-code-frame/package.json                           | 1 +
 packages/babel-core/package.json                                 | 1 +
 packages/babel-generator/package.json                            | 1 +
 packages/babel-helper-annotate-as-pure/package.json              | 1 +
 packages/babel-helper-bindify-decorators/package.json            | 1 +
 .../package.json                                                 | 1 +
 packages/babel-helper-builder-react-jsx/package.json             | 1 +
 packages/babel-helper-call-delegate/package.json                 | 1 +
 packages/babel-helper-create-class-features-plugin/package.json  | 1 +
 packages/babel-helper-create-regexp-features-plugin/package.json | 1 +
 packages/babel-helper-define-map/package.json                    | 1 +
 packages/babel-helper-explode-assignable-expression/package.json | 1 +
 packages/babel-helper-explode-class/package.json                 | 1 +
 packages/babel-helper-fixtures/package.json                      | 1 +
 packages/babel-helper-function-name/package.json                 | 1 +
 packages/babel-helper-get-function-arity/package.json            | 1 +
 packages/babel-helper-hoist-variables/package.json               | 1 +
 .../babel-helper-member-expression-to-functions/package.json     | 1 +
 packages/babel-helper-module-imports/package.json                | 1 +
 packages/babel-helper-module-transforms/package.json             | 1 +
 packages/babel-helper-optimise-call-expression/package.json      | 1 +
 packages/babel-helper-plugin-test-runner/package.json            | 1 +
 packages/babel-helper-plugin-utils/package.json                  | 1 +
 packages/babel-helper-regex/package.json                         | 1 +
 packages/babel-helper-remap-async-to-generator/package.json      | 1 +
 packages/babel-helper-replace-supers/package.json                | 1 +
 packages/babel-helper-simple-access/package.json                 | 1 +
 packages/babel-helper-split-export-declaration/package.json      | 1 +
 packages/babel-helper-transform-fixture-test-runner/package.json | 1 +
 packages/babel-helper-wrap-function/package.json                 | 1 +
 packages/babel-helpers/package.json                              | 1 +
 packages/babel-highlight/package.json                            | 1 +
 packages/babel-node/package.json                                 | 1 +
 packages/babel-parser/package.json                               | 1 +
 packages/babel-plugin-external-helpers/package.json              | 1 +
 .../babel-plugin-proposal-async-generator-functions/package.json | 1 +
 packages/babel-plugin-proposal-class-properties/package.json     | 1 +
 packages/babel-plugin-proposal-decorators/package.json           | 1 +
 packages/babel-plugin-proposal-do-expressions/package.json       | 1 +
 packages/babel-plugin-proposal-dynamic-import/package.json       | 1 +
 packages/babel-plugin-proposal-export-default-from/package.json  | 1 +
 .../babel-plugin-proposal-export-namespace-from/package.json     | 1 +
 packages/babel-plugin-proposal-function-bind/package.json        | 1 +
 packages/babel-plugin-proposal-function-sent/package.json        | 1 +
 packages/babel-plugin-proposal-json-strings/package.json         | 1 +
 .../package.json                                                 | 1 +
 .../package.json                                                 | 1 +
 packages/babel-plugin-proposal-numeric-separator/package.json    | 1 +
 packages/babel-plugin-proposal-object-rest-spread/package.json   | 1 +
 .../babel-plugin-proposal-optional-catch-binding/package.json    | 1 +
 packages/babel-plugin-proposal-optional-chaining/package.json    | 1 +
 packages/babel-plugin-proposal-partial-application/package.json  | 1 +
 packages/babel-plugin-proposal-pipeline-operator/package.json    | 1 +
 packages/babel-plugin-proposal-private-methods/package.json      | 1 +
 packages/babel-plugin-proposal-throw-expressions/package.json    | 1 +
 .../babel-plugin-proposal-unicode-property-regex/package.json    | 1 +
 packages/babel-plugin-syntax-async-generators/package.json       | 1 +
 packages/babel-plugin-syntax-bigint/package.json                 | 1 +
 packages/babel-plugin-syntax-class-properties/package.json       | 1 +
 packages/babel-plugin-syntax-decorators/package.json             | 1 +
 packages/babel-plugin-syntax-do-expressions/package.json         | 1 +
 packages/babel-plugin-syntax-dynamic-import/package.json         | 1 +
 packages/babel-plugin-syntax-export-default-from/package.json    | 1 +
 packages/babel-plugin-syntax-export-namespace-from/package.json  | 1 +
 packages/babel-plugin-syntax-flow/package.json                   | 1 +
 packages/babel-plugin-syntax-function-bind/package.json          | 1 +
 packages/babel-plugin-syntax-function-sent/package.json          | 1 +
 packages/babel-plugin-syntax-import-meta/package.json            | 1 +
 packages/babel-plugin-syntax-json-strings/package.json           | 1 +
 packages/babel-plugin-syntax-jsx/package.json                    | 1 +
 .../package.json                                                 | 1 +
 .../babel-plugin-syntax-nullish-coalescing-operator/package.json | 1 +
 packages/babel-plugin-syntax-numeric-separator/package.json      | 1 +
 packages/babel-plugin-syntax-object-rest-spread/package.json     | 1 +
 packages/babel-plugin-syntax-optional-catch-binding/package.json | 1 +
 packages/babel-plugin-syntax-optional-chaining/package.json      | 1 +
 packages/babel-plugin-syntax-partial-application/package.json    | 1 +
 packages/babel-plugin-syntax-pipeline-operator/package.json      | 1 +
 packages/babel-plugin-syntax-throw-expressions/package.json      | 1 +
 packages/babel-plugin-syntax-top-level-await/package.json        | 1 +
 packages/babel-plugin-syntax-typescript/package.json             | 1 +
 packages/babel-plugin-transform-arrow-functions/package.json     | 1 +
 packages/babel-plugin-transform-async-to-generator/package.json  | 1 +
 .../babel-plugin-transform-block-scoped-functions/package.json   | 1 +
 packages/babel-plugin-transform-block-scoping/package.json       | 1 +
 packages/babel-plugin-transform-classes/package.json             | 1 +
 packages/babel-plugin-transform-computed-properties/package.json | 1 +
 packages/babel-plugin-transform-destructuring/package.json       | 1 +
 packages/babel-plugin-transform-dotall-regex/package.json        | 1 +
 packages/babel-plugin-transform-duplicate-keys/package.json      | 1 +
 .../babel-plugin-transform-exponentiation-operator/package.json  | 1 +
 packages/babel-plugin-transform-flow-comments/package.json       | 1 +
 packages/babel-plugin-transform-flow-strip-types/package.json    | 1 +
 packages/babel-plugin-transform-for-of/package.json              | 1 +
 packages/babel-plugin-transform-function-name/package.json       | 1 +
 packages/babel-plugin-transform-instanceof/package.json          | 1 +
 packages/babel-plugin-transform-jscript/package.json             | 1 +
 packages/babel-plugin-transform-literals/package.json            | 1 +
 .../package.json                                                 | 1 +
 packages/babel-plugin-transform-modules-amd/package.json         | 1 +
 packages/babel-plugin-transform-modules-commonjs/package.json    | 1 +
 packages/babel-plugin-transform-modules-systemjs/package.json    | 1 +
 packages/babel-plugin-transform-modules-umd/package.json         | 1 +
 .../package.json                                                 | 1 +
 packages/babel-plugin-transform-new-target/package.json          | 1 +
 packages/babel-plugin-transform-object-assign/package.json       | 1 +
 .../package.json                                                 | 1 +
 packages/babel-plugin-transform-object-super/package.json        | 1 +
 packages/babel-plugin-transform-parameters/package.json          | 1 +
 packages/babel-plugin-transform-property-literals/package.json   | 1 +
 packages/babel-plugin-transform-property-mutators/package.json   | 1 +
 packages/babel-plugin-transform-proto-to-assign/package.json     | 1 +
 .../babel-plugin-transform-react-constant-elements/package.json  | 1 +
 packages/babel-plugin-transform-react-display-name/package.json  | 1 +
 .../babel-plugin-transform-react-inline-elements/package.json    | 1 +
 packages/babel-plugin-transform-react-jsx-compat/package.json    | 1 +
 packages/babel-plugin-transform-react-jsx-self/package.json      | 1 +
 packages/babel-plugin-transform-react-jsx-source/package.json    | 1 +
 packages/babel-plugin-transform-react-jsx/package.json           | 1 +
 packages/babel-plugin-transform-regenerator/package.json         | 1 +
 packages/babel-plugin-transform-reserved-words/package.json      | 1 +
 packages/babel-plugin-transform-runtime/package.json             | 1 +
 .../babel-plugin-transform-shorthand-properties/package.json     | 1 +
 packages/babel-plugin-transform-spread/package.json              | 1 +
 packages/babel-plugin-transform-sticky-regex/package.json        | 1 +
 packages/babel-plugin-transform-strict-mode/package.json         | 1 +
 packages/babel-plugin-transform-template-literals/package.json   | 1 +
 packages/babel-plugin-transform-typeof-symbol/package.json       | 1 +
 packages/babel-plugin-transform-typescript/package.json          | 1 +
 packages/babel-plugin-transform-unicode-regex/package.json       | 1 +
 packages/babel-polyfill/package.json                             | 1 +
 packages/babel-preset-env/package.json                           | 1 +
 packages/babel-preset-flow/package.json                          | 1 +
 packages/babel-preset-react/package.json                         | 1 +
 packages/babel-preset-stage-0/package.json                       | 1 +
 packages/babel-preset-stage-1/package.json                       | 1 +
 packages/babel-preset-stage-2/package.json                       | 1 +
 packages/babel-preset-stage-3/package.json                       | 1 +
 packages/babel-preset-typescript/package.json                    | 1 +
 packages/babel-register/package.json                             | 1 +
 packages/babel-runtime-corejs2/package.json                      | 1 +
 packages/babel-runtime-corejs3/package.json                      | 1 +
 packages/babel-runtime/package.json                              | 1 +
 packages/babel-template/package.json                             | 1 +
 packages/babel-traverse/package.json                             | 1 +
 packages/babel-types/package.json                                | 1 +
 154 files changed, 154 insertions(+)

diff --git a/codemods/babel-plugin-codemod-object-assign-to-object-spread/package.json b/codemods/babel-plugin-codemod-object-assign-to-object-spread/package.json
index e432a89a44..dd52c287dc 100644
--- a/codemods/babel-plugin-codemod-object-assign-to-object-spread/package.json
+++ b/codemods/babel-plugin-codemod-object-assign-to-object-spread/package.json
@@ -4,6 +4,7 @@
   "description": "Transforms Object.assign into object spread syntax",
   "repository": "https://github.com/babel/babel/tree/master/codemods/babel-plugin-codemod-object-assign-to-object-spread",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/codemods/babel-plugin-codemod-optional-catch-binding/package.json b/codemods/babel-plugin-codemod-optional-catch-binding/package.json
index 68196e27c1..79538cfa32 100644
--- a/codemods/babel-plugin-codemod-optional-catch-binding/package.json
+++ b/codemods/babel-plugin-codemod-optional-catch-binding/package.json
@@ -4,6 +4,7 @@
   "description": "Remove unused catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/codemods/babel-plugin-codemod-remove-unused-catch-binding",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/eslint/babel-eslint-config-internal/package.json b/eslint/babel-eslint-config-internal/package.json
index 37a02b8826..ab0dcea690 100644
--- a/eslint/babel-eslint-config-internal/package.json
+++ b/eslint/babel-eslint-config-internal/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "private": true,
   "repository": "https://github.com/babel/babel/tree/master/eslint/babel-eslint-config-internal",
   "main": "lib/index.js",
diff --git a/eslint/babel-eslint-parser/package.json b/eslint/babel-eslint-parser/package.json
index b64d7a051a..c7b4300bec 100644
--- a/eslint/babel-eslint-parser/package.json
+++ b/eslint/babel-eslint-parser/package.json
@@ -4,6 +4,7 @@
   "description": "ESLint parser that allows for linting of experimental syntax transformed by Babel",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "license": "MIT",
+  "type": "commonjs",
   "private": true,
   "repository": {
     "type": "git",
diff --git a/eslint/babel-eslint-plugin-development/package.json b/eslint/babel-eslint-plugin-development/package.json
index 6090224299..cdafc1231c 100644
--- a/eslint/babel-eslint-plugin-development/package.json
+++ b/eslint/babel-eslint-plugin-development/package.json
@@ -24,6 +24,7 @@
     "access": "public"
   },
   "license": "MIT",
+  "type": "commonjs",
   "repository": {
     "type": "git",
     "url": "https://github.com/babel/babel.git",
diff --git a/eslint/babel-eslint-plugin/package.json b/eslint/babel-eslint-plugin/package.json
index 442670ee8c..c035493b7c 100644
--- a/eslint/babel-eslint-plugin/package.json
+++ b/eslint/babel-eslint-plugin/package.json
@@ -17,6 +17,7 @@
   ],
   "author": "Jason Quense @monasticpanic",
   "license": "MIT",
+  "type": "commonjs",
   "private": true,
   "engines": {
     "node": ">=10.9"
diff --git a/package.json b/package.json
index 235975a0ac..f8910a4d8b 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "babel",
   "private": true,
   "license": "MIT",
+  "type": "commonjs",
   "scripts": {
     "bootstrap": "make bootstrap",
     "build": "make build",
diff --git a/packages/babel-cli/package.json b/packages/babel-cli/package.json
index 7c5f9748ad..90b9991c53 100644
--- a/packages/babel-cli/package.json
+++ b/packages/babel-cli/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-code-frame/package.json b/packages/babel-code-frame/package.json
index 0b753eb112..6eb8a55443 100644
--- a/packages/babel-code-frame/package.json
+++ b/packages/babel-code-frame/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index 09edf1b13e..e6a5ae1b65 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -6,6 +6,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-generator/package.json b/packages/babel-generator/package.json
index fe63c3de96..306fa5d00f 100644
--- a/packages/babel-generator/package.json
+++ b/packages/babel-generator/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-annotate-as-pure/package.json b/packages/babel-helper-annotate-as-pure/package.json
index e28c0bff8a..dfde03584b 100644
--- a/packages/babel-helper-annotate-as-pure/package.json
+++ b/packages/babel-helper-annotate-as-pure/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to annotate paths and nodes with #__PURE__ comment",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-annotate-as-pure",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-bindify-decorators/package.json b/packages/babel-helper-bindify-decorators/package.json
index 57b88972de..ca33fa6488 100644
--- a/packages/babel-helper-bindify-decorators/package.json
+++ b/packages/babel-helper-bindify-decorators/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to bindify decorators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-bindify-decorators",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json b/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
index d1151c9051..1e27b557d7 100644
--- a/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
+++ b/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to build binary assignment operator visitors",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-builder-binary-assignment-operator-visitor",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-builder-react-jsx/package.json b/packages/babel-helper-builder-react-jsx/package.json
index aadb3e8703..67d3c00c4b 100644
--- a/packages/babel-helper-builder-react-jsx/package.json
+++ b/packages/babel-helper-builder-react-jsx/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to build react jsx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-builder-react-jsx",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-call-delegate/package.json b/packages/babel-helper-call-delegate/package.json
index 7065592a71..a9137a0131 100644
--- a/packages/babel-helper-call-delegate/package.json
+++ b/packages/babel-helper-call-delegate/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to call delegate",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-call-delegate",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-create-class-features-plugin/package.json b/packages/babel-helper-create-class-features-plugin/package.json
index 88e7cf113c..fabc6a8102 100644
--- a/packages/babel-helper-create-class-features-plugin/package.json
+++ b/packages/babel-helper-create-class-features-plugin/package.json
@@ -3,6 +3,7 @@
   "version": "7.7.4",
   "author": "The Babel Team (https://babeljs.io/team)",
   "license": "MIT",
+  "type": "commonjs",
   "description": "Compile class public and private fields, private methods and decorators to ES6",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-create-class-features-plugin",
   "main": "lib/index.js",
diff --git a/packages/babel-helper-create-regexp-features-plugin/package.json b/packages/babel-helper-create-regexp-features-plugin/package.json
index 7053e7805c..694cda7c9e 100644
--- a/packages/babel-helper-create-regexp-features-plugin/package.json
+++ b/packages/babel-helper-create-regexp-features-plugin/package.json
@@ -3,6 +3,7 @@
   "version": "7.7.4",
   "author": "The Babel Team (https://babeljs.io/team)",
   "license": "MIT",
+  "type": "commonjs",
   "description": "Compile ESNext Regular Expressions to ES5",
   "repository": {
     "type": "git",
diff --git a/packages/babel-helper-define-map/package.json b/packages/babel-helper-define-map/package.json
index 954759ed95..2a43a7344f 100644
--- a/packages/babel-helper-define-map/package.json
+++ b/packages/babel-helper-define-map/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to define a map",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-define-map",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-explode-assignable-expression/package.json b/packages/babel-helper-explode-assignable-expression/package.json
index 092b7e2ed2..43c8114300 100644
--- a/packages/babel-helper-explode-assignable-expression/package.json
+++ b/packages/babel-helper-explode-assignable-expression/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to explode an assignable expression",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-explode-assignable-expression",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-explode-class/package.json b/packages/babel-helper-explode-class/package.json
index f8458f7a63..9d2b1867d4 100644
--- a/packages/babel-helper-explode-class/package.json
+++ b/packages/babel-helper-explode-class/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to explode class",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-explode-class",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-fixtures/package.json b/packages/babel-helper-fixtures/package.json
index 2f30f7c53d..6e09ce01bc 100644
--- a/packages/babel-helper-fixtures/package.json
+++ b/packages/babel-helper-fixtures/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to support fixtures",
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-function-name/package.json b/packages/babel-helper-function-name/package.json
index 17c14039a8..1d0f2b2093 100644
--- a/packages/babel-helper-function-name/package.json
+++ b/packages/babel-helper-function-name/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to change the property 'name' of every function",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-function-name",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-get-function-arity/package.json b/packages/babel-helper-get-function-arity/package.json
index 2c6e46bb66..fb57100f5b 100644
--- a/packages/babel-helper-get-function-arity/package.json
+++ b/packages/babel-helper-get-function-arity/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to get function arity",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-get-function-arity",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-hoist-variables/package.json b/packages/babel-helper-hoist-variables/package.json
index 3d5b44afdf..e1963d8b3c 100644
--- a/packages/babel-helper-hoist-variables/package.json
+++ b/packages/babel-helper-hoist-variables/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to hoist variables",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-hoist-variables",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-member-expression-to-functions/package.json b/packages/babel-helper-member-expression-to-functions/package.json
index 427ac1719a..1fe57249d8 100644
--- a/packages/babel-helper-member-expression-to-functions/package.json
+++ b/packages/babel-helper-member-expression-to-functions/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to replace certain member expressions with function calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-member-expression-to-functions",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-module-imports/package.json b/packages/babel-helper-module-imports/package.json
index 4388b3afef..c2233db1d9 100644
--- a/packages/babel-helper-module-imports/package.json
+++ b/packages/babel-helper-module-imports/package.json
@@ -5,6 +5,7 @@
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-module-transforms/package.json b/packages/babel-helper-module-transforms/package.json
index 8ec8978cc1..831e46545c 100644
--- a/packages/babel-helper-module-transforms/package.json
+++ b/packages/babel-helper-module-transforms/package.json
@@ -5,6 +5,7 @@
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-optimise-call-expression/package.json b/packages/babel-helper-optimise-call-expression/package.json
index 4d840e51cf..31bf72d0a9 100644
--- a/packages/babel-helper-optimise-call-expression/package.json
+++ b/packages/babel-helper-optimise-call-expression/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to optimise call expression",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-optimise-call-expression",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-plugin-test-runner/package.json b/packages/babel-helper-plugin-test-runner/package.json
index 9b61aa4c32..e921e208a3 100644
--- a/packages/babel-helper-plugin-test-runner/package.json
+++ b/packages/babel-helper-plugin-test-runner/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to support test runner",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-plugin-test-runner",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-plugin-utils/package.json b/packages/babel-helper-plugin-utils/package.json
index b35e4dbd11..198ed3c130 100644
--- a/packages/babel-helper-plugin-utils/package.json
+++ b/packages/babel-helper-plugin-utils/package.json
@@ -5,6 +5,7 @@
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-regex/package.json b/packages/babel-helper-regex/package.json
index 0fdf8c0aee..808fe8e5e9 100644
--- a/packages/babel-helper-regex/package.json
+++ b/packages/babel-helper-regex/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to check for literal RegEx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-regex",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-remap-async-to-generator/package.json b/packages/babel-helper-remap-async-to-generator/package.json
index d777392608..3545cdd622 100644
--- a/packages/babel-helper-remap-async-to-generator/package.json
+++ b/packages/babel-helper-remap-async-to-generator/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to remap async functions to generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-remap-async-to-generator",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-replace-supers/package.json b/packages/babel-helper-replace-supers/package.json
index 6be7468c0e..f0c01d8514 100644
--- a/packages/babel-helper-replace-supers/package.json
+++ b/packages/babel-helper-replace-supers/package.json
@@ -4,6 +4,7 @@
   "description": "Helper function to replace supers",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-replace-supers",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-simple-access/package.json b/packages/babel-helper-simple-access/package.json
index a2f07b0515..8b33edb352 100644
--- a/packages/babel-helper-simple-access/package.json
+++ b/packages/babel-helper-simple-access/package.json
@@ -5,6 +5,7 @@
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-split-export-declaration/package.json b/packages/babel-helper-split-export-declaration/package.json
index b5c73e2b1d..30e26ea2f1 100644
--- a/packages/babel-helper-split-export-declaration/package.json
+++ b/packages/babel-helper-split-export-declaration/package.json
@@ -4,6 +4,7 @@
   "description": "",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-split-export-declaration",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-transform-fixture-test-runner/package.json b/packages/babel-helper-transform-fixture-test-runner/package.json
index 51522ee32c..234faf602d 100644
--- a/packages/babel-helper-transform-fixture-test-runner/package.json
+++ b/packages/babel-helper-transform-fixture-test-runner/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helper-wrap-function/package.json b/packages/babel-helper-wrap-function/package.json
index f347da77b2..f71836605c 100644
--- a/packages/babel-helper-wrap-function/package.json
+++ b/packages/babel-helper-wrap-function/package.json
@@ -4,6 +4,7 @@
   "description": "Helper to wrap functions inside a function call.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-helper-wrap-function",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-helpers/package.json b/packages/babel-helpers/package.json
index 46b496e2e4..d89e6c11ff 100644
--- a/packages/babel-helpers/package.json
+++ b/packages/babel-helpers/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-highlight/package.json b/packages/babel-highlight/package.json
index 66fcb3c2db..f78d5c52b4 100644
--- a/packages/babel-highlight/package.json
+++ b/packages/babel-highlight/package.json
@@ -5,6 +5,7 @@
   "author": "suchipi <me@suchipi.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-node/package.json b/packages/babel-node/package.json
index 35a3ed4632..7d244110e9 100644
--- a/packages/babel-node/package.json
+++ b/packages/babel-node/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-parser/package.json b/packages/babel-parser/package.json
index 95fb3bb736..8917936140 100644
--- a/packages/babel-parser/package.json
+++ b/packages/babel-parser/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-external-helpers/package.json b/packages/babel-plugin-external-helpers/package.json
index bca1c2aa31..2fea686047 100644
--- a/packages/babel-plugin-external-helpers/package.json
+++ b/packages/babel-plugin-external-helpers/package.json
@@ -4,6 +4,7 @@
   "description": "This plugin contains helper functions that’ll be placed at the top of the generated code",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-external-helpers",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-async-generator-functions/package.json b/packages/babel-plugin-proposal-async-generator-functions/package.json
index fff4bbb5eb..b653ad4953 100644
--- a/packages/babel-plugin-proposal-async-generator-functions/package.json
+++ b/packages/babel-plugin-proposal-async-generator-functions/package.json
@@ -4,6 +4,7 @@
   "description": "Turn async generator functions into ES2015 generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-async-generator-functions",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-class-properties/package.json b/packages/babel-plugin-proposal-class-properties/package.json
index 806cb9b776..b20fde33ea 100644
--- a/packages/babel-plugin-proposal-class-properties/package.json
+++ b/packages/babel-plugin-proposal-class-properties/package.json
@@ -4,6 +4,7 @@
   "description": "This plugin transforms static class properties as well as properties declared with the property initializer syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-class-properties",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-decorators/package.json b/packages/babel-plugin-proposal-decorators/package.json
index 260dfcdde5..40a54e62a5 100644
--- a/packages/babel-plugin-proposal-decorators/package.json
+++ b/packages/babel-plugin-proposal-decorators/package.json
@@ -3,6 +3,7 @@
   "version": "7.7.4",
   "author": "Logan Smyth <loganfsmyth@gmail.com>",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-do-expressions/package.json b/packages/babel-plugin-proposal-do-expressions/package.json
index 25e90b2120..e07a2f44f0 100644
--- a/packages/babel-plugin-proposal-do-expressions/package.json
+++ b/packages/babel-plugin-proposal-do-expressions/package.json
@@ -4,6 +4,7 @@
   "description": "Compile do expressions to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-do-expressions",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-dynamic-import/package.json b/packages/babel-plugin-proposal-dynamic-import/package.json
index baf2c7f875..77cc55dbf9 100644
--- a/packages/babel-plugin-proposal-dynamic-import/package.json
+++ b/packages/babel-plugin-proposal-dynamic-import/package.json
@@ -4,6 +4,7 @@
   "description": "Transform import() expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-dynamic-import",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-export-default-from/package.json b/packages/babel-plugin-proposal-export-default-from/package.json
index f1534e5c49..28968a34d7 100644
--- a/packages/babel-plugin-proposal-export-default-from/package.json
+++ b/packages/babel-plugin-proposal-export-default-from/package.json
@@ -4,6 +4,7 @@
   "description": "Compile export default to ES2015",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-export-default-from",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-export-namespace-from/package.json b/packages/babel-plugin-proposal-export-namespace-from/package.json
index 62a1e8d953..7d875e83d8 100644
--- a/packages/babel-plugin-proposal-export-namespace-from/package.json
+++ b/packages/babel-plugin-proposal-export-namespace-from/package.json
@@ -4,6 +4,7 @@
   "description": "Compile export namespace to ES2015",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-export-namespace-from",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-function-bind/package.json b/packages/babel-plugin-proposal-function-bind/package.json
index dbbc3f274e..bd39b2dcda 100644
--- a/packages/babel-plugin-proposal-function-bind/package.json
+++ b/packages/babel-plugin-proposal-function-bind/package.json
@@ -4,6 +4,7 @@
   "description": "Compile function bind operator to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-function-bind",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-function-sent/package.json b/packages/babel-plugin-proposal-function-sent/package.json
index 91bf98f85e..23903d4377 100644
--- a/packages/babel-plugin-proposal-function-sent/package.json
+++ b/packages/babel-plugin-proposal-function-sent/package.json
@@ -4,6 +4,7 @@
   "description": "Compile the function.sent meta property to valid ES2015 code",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-function-sent",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-json-strings/package.json b/packages/babel-plugin-proposal-json-strings/package.json
index 90e0d9d701..111ff9c3cd 100644
--- a/packages/babel-plugin-proposal-json-strings/package.json
+++ b/packages/babel-plugin-proposal-json-strings/package.json
@@ -4,6 +4,7 @@
   "description": "Escape U+2028 LINE SEPARATOR and U+2029 PARAGRAPH SEPARATOR in JS strings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-json-strings",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/package.json b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
index a5942961f7..2c657e9686 100644
--- a/packages/babel-plugin-proposal-logical-assignment-operators/package.json
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
@@ -4,6 +4,7 @@
   "description": "Transforms logical assignment operators into short-circuited assignments",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-logical-assignment-operators",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
index 5f17a06427..eb877ec4de 100644
--- a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
+++ b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
@@ -4,6 +4,7 @@
   "description": "Remove nullish coalescing operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-nullish-coalescing-operator",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-numeric-separator/package.json b/packages/babel-plugin-proposal-numeric-separator/package.json
index deae174deb..ba2f6ef841 100644
--- a/packages/babel-plugin-proposal-numeric-separator/package.json
+++ b/packages/babel-plugin-proposal-numeric-separator/package.json
@@ -4,6 +4,7 @@
   "description": "Remove numeric separators from Decimal, Binary, Hex and Octal literals",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-numeric-separator",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-object-rest-spread/package.json b/packages/babel-plugin-proposal-object-rest-spread/package.json
index 633a93653a..d2b69edd51 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/package.json
+++ b/packages/babel-plugin-proposal-object-rest-spread/package.json
@@ -4,6 +4,7 @@
   "description": "Compile object rest and spread to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-object-rest-spread",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-optional-catch-binding/package.json b/packages/babel-plugin-proposal-optional-catch-binding/package.json
index a25265df7a..d0ac5095e8 100644
--- a/packages/babel-plugin-proposal-optional-catch-binding/package.json
+++ b/packages/babel-plugin-proposal-optional-catch-binding/package.json
@@ -4,6 +4,7 @@
   "description": "Compile optional catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-optional-catch-binding",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-optional-chaining/package.json b/packages/babel-plugin-proposal-optional-chaining/package.json
index 43da0deec0..1d8cc310eb 100644
--- a/packages/babel-plugin-proposal-optional-chaining/package.json
+++ b/packages/babel-plugin-proposal-optional-chaining/package.json
@@ -4,6 +4,7 @@
   "description": "Transform optional chaining operators into a series of nil checks",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-optional-chaining",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-partial-application/package.json b/packages/babel-plugin-proposal-partial-application/package.json
index 8b1ccefb08..438794408b 100644
--- a/packages/babel-plugin-proposal-partial-application/package.json
+++ b/packages/babel-plugin-proposal-partial-application/package.json
@@ -4,6 +4,7 @@
   "description": "Introduces a new ? token in an argument list which allows for partially applying an argument list to a call expression",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-partial-application",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-pipeline-operator/package.json b/packages/babel-plugin-proposal-pipeline-operator/package.json
index dd45244043..1d3659d3f2 100644
--- a/packages/babel-plugin-proposal-pipeline-operator/package.json
+++ b/packages/babel-plugin-proposal-pipeline-operator/package.json
@@ -4,6 +4,7 @@
   "description": "Transform pipeline operator into call expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-pipeline-operator",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-private-methods/package.json b/packages/babel-plugin-proposal-private-methods/package.json
index ef25c513e3..43987665df 100644
--- a/packages/babel-plugin-proposal-private-methods/package.json
+++ b/packages/babel-plugin-proposal-private-methods/package.json
@@ -4,6 +4,7 @@
   "description": "This plugin transforms private class methods",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-private-methods",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-throw-expressions/package.json b/packages/babel-plugin-proposal-throw-expressions/package.json
index 7a649b3ccf..1336eb43fd 100644
--- a/packages/babel-plugin-proposal-throw-expressions/package.json
+++ b/packages/babel-plugin-proposal-throw-expressions/package.json
@@ -4,6 +4,7 @@
   "description": "Wraps Throw Expressions in an IIFE",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-proposal-throw-expressions",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-proposal-unicode-property-regex/package.json b/packages/babel-plugin-proposal-unicode-property-regex/package.json
index ae7f2b4cfa..c506443796 100644
--- a/packages/babel-plugin-proposal-unicode-property-regex/package.json
+++ b/packages/babel-plugin-proposal-unicode-property-regex/package.json
@@ -4,6 +4,7 @@
   "description": "Compile Unicode property escapes in Unicode regular expressions to ES5.",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-async-generators/package.json b/packages/babel-plugin-syntax-async-generators/package.json
index 9bda12487b..8b73a168a3 100644
--- a/packages/babel-plugin-syntax-async-generators/package.json
+++ b/packages/babel-plugin-syntax-async-generators/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of async generator functions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-async-generators",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-bigint/package.json b/packages/babel-plugin-syntax-bigint/package.json
index a2ec1ae96c..3f4384496a 100644
--- a/packages/babel-plugin-syntax-bigint/package.json
+++ b/packages/babel-plugin-syntax-bigint/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of BigInt literals",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-bigint",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-class-properties/package.json b/packages/babel-plugin-syntax-class-properties/package.json
index 2231253bad..dc3baa3743 100644
--- a/packages/babel-plugin-syntax-class-properties/package.json
+++ b/packages/babel-plugin-syntax-class-properties/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of class properties",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-class-properties",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-decorators/package.json b/packages/babel-plugin-syntax-decorators/package.json
index 91177eecd7..118ca5ed56 100644
--- a/packages/babel-plugin-syntax-decorators/package.json
+++ b/packages/babel-plugin-syntax-decorators/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of decorators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-decorators",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-do-expressions/package.json b/packages/babel-plugin-syntax-do-expressions/package.json
index 2ab86a23d6..de21eabcea 100644
--- a/packages/babel-plugin-syntax-do-expressions/package.json
+++ b/packages/babel-plugin-syntax-do-expressions/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of do expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-do-expressions",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-dynamic-import/package.json b/packages/babel-plugin-syntax-dynamic-import/package.json
index 9f74cc9e7f..aa06c10acf 100644
--- a/packages/babel-plugin-syntax-dynamic-import/package.json
+++ b/packages/babel-plugin-syntax-dynamic-import/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of import()",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-dynamic-import",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-export-default-from/package.json b/packages/babel-plugin-syntax-export-default-from/package.json
index eca0d99833..01c143f9c4 100644
--- a/packages/babel-plugin-syntax-export-default-from/package.json
+++ b/packages/babel-plugin-syntax-export-default-from/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of export default from",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-export-default-from",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-export-namespace-from/package.json b/packages/babel-plugin-syntax-export-namespace-from/package.json
index 81a13ede46..35997173a0 100644
--- a/packages/babel-plugin-syntax-export-namespace-from/package.json
+++ b/packages/babel-plugin-syntax-export-namespace-from/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of export namespace from",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-export-namespace-from",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-flow/package.json b/packages/babel-plugin-syntax-flow/package.json
index 1b7a83c059..36984d35cd 100644
--- a/packages/babel-plugin-syntax-flow/package.json
+++ b/packages/babel-plugin-syntax-flow/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of the flow syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-flow",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-function-bind/package.json b/packages/babel-plugin-syntax-function-bind/package.json
index 980eec9a5b..e38f0eae6f 100644
--- a/packages/babel-plugin-syntax-function-bind/package.json
+++ b/packages/babel-plugin-syntax-function-bind/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of function bind",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-function-bind",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-function-sent/package.json b/packages/babel-plugin-syntax-function-sent/package.json
index e01cb2111f..dfc1760f3f 100644
--- a/packages/babel-plugin-syntax-function-sent/package.json
+++ b/packages/babel-plugin-syntax-function-sent/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of the function.sent meta property",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-function-sent",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-import-meta/package.json b/packages/babel-plugin-syntax-import-meta/package.json
index e2147ed793..1b63c6a5ea 100644
--- a/packages/babel-plugin-syntax-import-meta/package.json
+++ b/packages/babel-plugin-syntax-import-meta/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of import.meta",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-import-meta",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-json-strings/package.json b/packages/babel-plugin-syntax-json-strings/package.json
index 6aa7913d8a..7832e25f14 100644
--- a/packages/babel-plugin-syntax-json-strings/package.json
+++ b/packages/babel-plugin-syntax-json-strings/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of the U+2028 LINE SEPARATOR and U+2029 PARAGRAPH SEPARATOR in JS strings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-json-strings",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-jsx/package.json b/packages/babel-plugin-syntax-jsx/package.json
index 9bdc4f010b..c51a4afe27 100644
--- a/packages/babel-plugin-syntax-jsx/package.json
+++ b/packages/babel-plugin-syntax-jsx/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of jsx",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-jsx",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-logical-assignment-operators/package.json b/packages/babel-plugin-syntax-logical-assignment-operators/package.json
index f2363a9480..79cbfed5e1 100644
--- a/packages/babel-plugin-syntax-logical-assignment-operators/package.json
+++ b/packages/babel-plugin-syntax-logical-assignment-operators/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of the logical assignment operators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-logical-assignment-operators",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json b/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
index 48c06414a9..2efdc6e195 100644
--- a/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
+++ b/packages/babel-plugin-syntax-nullish-coalescing-operator/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of the nullish-coalescing operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-nullish-coalescing-operator",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-numeric-separator/package.json b/packages/babel-plugin-syntax-numeric-separator/package.json
index 6196086522..fdaa64bc19 100644
--- a/packages/babel-plugin-syntax-numeric-separator/package.json
+++ b/packages/babel-plugin-syntax-numeric-separator/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of Decimal, Binary, Hex and Octal literals that contain a Numeric Literal Separator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-numeric-separator",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-object-rest-spread/package.json b/packages/babel-plugin-syntax-object-rest-spread/package.json
index d350831d10..c4146bda89 100644
--- a/packages/babel-plugin-syntax-object-rest-spread/package.json
+++ b/packages/babel-plugin-syntax-object-rest-spread/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of object rest/spread",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-object-rest-spread",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-optional-catch-binding/package.json b/packages/babel-plugin-syntax-optional-catch-binding/package.json
index 3811d30816..2c6c290688 100644
--- a/packages/babel-plugin-syntax-optional-catch-binding/package.json
+++ b/packages/babel-plugin-syntax-optional-catch-binding/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of optional catch bindings",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-optional-catch-binding",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-optional-chaining/package.json b/packages/babel-plugin-syntax-optional-chaining/package.json
index f4c1c17f42..d82d56edc4 100644
--- a/packages/babel-plugin-syntax-optional-chaining/package.json
+++ b/packages/babel-plugin-syntax-optional-chaining/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of optional properties",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-optional-chaining",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-partial-application/package.json b/packages/babel-plugin-syntax-partial-application/package.json
index f5cb98d4af..c16bf87311 100644
--- a/packages/babel-plugin-syntax-partial-application/package.json
+++ b/packages/babel-plugin-syntax-partial-application/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of partial application syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-partial-application",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-pipeline-operator/package.json b/packages/babel-plugin-syntax-pipeline-operator/package.json
index e1bb74c7f7..3aba8d0e4e 100644
--- a/packages/babel-plugin-syntax-pipeline-operator/package.json
+++ b/packages/babel-plugin-syntax-pipeline-operator/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of the pipeline operator",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-pipeline-operator",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-throw-expressions/package.json b/packages/babel-plugin-syntax-throw-expressions/package.json
index 25d83e9a54..3a98bdf794 100644
--- a/packages/babel-plugin-syntax-throw-expressions/package.json
+++ b/packages/babel-plugin-syntax-throw-expressions/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of Throw Expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-throw-expressions",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-top-level-await/package.json b/packages/babel-plugin-syntax-top-level-await/package.json
index a2005f8995..68060722d8 100644
--- a/packages/babel-plugin-syntax-top-level-await/package.json
+++ b/packages/babel-plugin-syntax-top-level-await/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of top-level await in modules",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-top-level-await",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-syntax-typescript/package.json b/packages/babel-plugin-syntax-typescript/package.json
index 817423c55d..887a819f99 100644
--- a/packages/babel-plugin-syntax-typescript/package.json
+++ b/packages/babel-plugin-syntax-typescript/package.json
@@ -4,6 +4,7 @@
   "description": "Allow parsing of TypeScript syntax",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-syntax-typescript",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-arrow-functions/package.json b/packages/babel-plugin-transform-arrow-functions/package.json
index 2edcb84f3c..70150045f7 100644
--- a/packages/babel-plugin-transform-arrow-functions/package.json
+++ b/packages/babel-plugin-transform-arrow-functions/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 arrow functions to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-arrow-functions",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-async-to-generator/package.json b/packages/babel-plugin-transform-async-to-generator/package.json
index 0eb48c81b8..112f750b69 100644
--- a/packages/babel-plugin-transform-async-to-generator/package.json
+++ b/packages/babel-plugin-transform-async-to-generator/package.json
@@ -4,6 +4,7 @@
   "description": "Turn async functions into ES2015 generators",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-async-to-generator",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-block-scoped-functions/package.json b/packages/babel-plugin-transform-block-scoped-functions/package.json
index c52956f9a8..f435fef60d 100644
--- a/packages/babel-plugin-transform-block-scoped-functions/package.json
+++ b/packages/babel-plugin-transform-block-scoped-functions/package.json
@@ -4,6 +4,7 @@
   "description": "Babel plugin to ensure function declarations at the block level are block scoped",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-block-scoped-functions",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-block-scoping/package.json b/packages/babel-plugin-transform-block-scoping/package.json
index 221bcdba0f..bb895e5b3f 100644
--- a/packages/babel-plugin-transform-block-scoping/package.json
+++ b/packages/babel-plugin-transform-block-scoping/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 block scoping (const and let) to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-block-scoping",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-classes/package.json b/packages/babel-plugin-transform-classes/package.json
index accd40160c..6fd532a881 100644
--- a/packages/babel-plugin-transform-classes/package.json
+++ b/packages/babel-plugin-transform-classes/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 classes to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-classes",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-computed-properties/package.json b/packages/babel-plugin-transform-computed-properties/package.json
index 07c60ccae3..bf1680e79b 100644
--- a/packages/babel-plugin-transform-computed-properties/package.json
+++ b/packages/babel-plugin-transform-computed-properties/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 computed properties to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-computed-properties",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-destructuring/package.json b/packages/babel-plugin-transform-destructuring/package.json
index 46b4da5a92..7a442a819c 100644
--- a/packages/babel-plugin-transform-destructuring/package.json
+++ b/packages/babel-plugin-transform-destructuring/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 destructuring to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-destructuring",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-dotall-regex/package.json b/packages/babel-plugin-transform-dotall-regex/package.json
index 6f90336040..0225f28d16 100644
--- a/packages/babel-plugin-transform-dotall-regex/package.json
+++ b/packages/babel-plugin-transform-dotall-regex/package.json
@@ -4,6 +4,7 @@
   "description": "Compile regular expressions using the `s` (`dotAll`) flag to ES5.",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-duplicate-keys/package.json b/packages/babel-plugin-transform-duplicate-keys/package.json
index 8151115527..5d4b2026b7 100644
--- a/packages/babel-plugin-transform-duplicate-keys/package.json
+++ b/packages/babel-plugin-transform-duplicate-keys/package.json
@@ -4,6 +4,7 @@
   "description": "Compile objects with duplicate keys to valid strict ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-duplicate-keys",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-exponentiation-operator/package.json b/packages/babel-plugin-transform-exponentiation-operator/package.json
index 538bd8355d..8fb5e21710 100644
--- a/packages/babel-plugin-transform-exponentiation-operator/package.json
+++ b/packages/babel-plugin-transform-exponentiation-operator/package.json
@@ -4,6 +4,7 @@
   "description": "Compile exponentiation operator to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-exponentiation-operator",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-flow-comments/package.json b/packages/babel-plugin-transform-flow-comments/package.json
index c8d728525a..ec05f8149c 100644
--- a/packages/babel-plugin-transform-flow-comments/package.json
+++ b/packages/babel-plugin-transform-flow-comments/package.json
@@ -4,6 +4,7 @@
   "description": "Turn flow type annotations into comments",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-flow-comments",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-flow-strip-types/package.json b/packages/babel-plugin-transform-flow-strip-types/package.json
index 47810c636b..bc430c38d7 100644
--- a/packages/babel-plugin-transform-flow-strip-types/package.json
+++ b/packages/babel-plugin-transform-flow-strip-types/package.json
@@ -4,6 +4,7 @@
   "description": "Strip flow type annotations from your output code.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-flow-strip-types",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-for-of/package.json b/packages/babel-plugin-transform-for-of/package.json
index fee89eaa0d..6e4794e405 100644
--- a/packages/babel-plugin-transform-for-of/package.json
+++ b/packages/babel-plugin-transform-for-of/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 for...of to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-for-of",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-function-name/package.json b/packages/babel-plugin-transform-function-name/package.json
index 1fdf6e7259..34e1f16e21 100644
--- a/packages/babel-plugin-transform-function-name/package.json
+++ b/packages/babel-plugin-transform-function-name/package.json
@@ -4,6 +4,7 @@
   "description": "Apply ES2015 function.name semantics to all functions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-function-name",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-instanceof/package.json b/packages/babel-plugin-transform-instanceof/package.json
index b6f8e97702..e0c436402d 100644
--- a/packages/babel-plugin-transform-instanceof/package.json
+++ b/packages/babel-plugin-transform-instanceof/package.json
@@ -4,6 +4,7 @@
   "description": "This plugin transforms all the ES2015 'instanceof' methods",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-instanceof",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-jscript/package.json b/packages/babel-plugin-transform-jscript/package.json
index 635f3f5bfe..fd5547b91c 100644
--- a/packages/babel-plugin-transform-jscript/package.json
+++ b/packages/babel-plugin-transform-jscript/package.json
@@ -4,6 +4,7 @@
   "description": "Babel plugin to fix buggy JScript named function expressions",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-jscript",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-literals/package.json b/packages/babel-plugin-transform-literals/package.json
index 0c25a118b7..e9123046fe 100644
--- a/packages/babel-plugin-transform-literals/package.json
+++ b/packages/babel-plugin-transform-literals/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 unicode string and number literals to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-literals",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-member-expression-literals/package.json b/packages/babel-plugin-transform-member-expression-literals/package.json
index 22f042a2a7..cca252b888 100644
--- a/packages/babel-plugin-transform-member-expression-literals/package.json
+++ b/packages/babel-plugin-transform-member-expression-literals/package.json
@@ -4,6 +4,7 @@
   "description": "Ensure that reserved words are quoted in property accesses",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-member-expression-literals",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-modules-amd/package.json b/packages/babel-plugin-transform-modules-amd/package.json
index e0ceb66bcb..6cc94d7878 100644
--- a/packages/babel-plugin-transform-modules-amd/package.json
+++ b/packages/babel-plugin-transform-modules-amd/package.json
@@ -4,6 +4,7 @@
   "description": "This plugin transforms ES2015 modules to AMD",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-amd",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-modules-commonjs/package.json b/packages/babel-plugin-transform-modules-commonjs/package.json
index 4b9ae9bff5..33be213732 100644
--- a/packages/babel-plugin-transform-modules-commonjs/package.json
+++ b/packages/babel-plugin-transform-modules-commonjs/package.json
@@ -4,6 +4,7 @@
   "description": "This plugin transforms ES2015 modules to CommonJS",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-commonjs",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-modules-systemjs/package.json b/packages/babel-plugin-transform-modules-systemjs/package.json
index 0ab4deee2d..596c79bcae 100644
--- a/packages/babel-plugin-transform-modules-systemjs/package.json
+++ b/packages/babel-plugin-transform-modules-systemjs/package.json
@@ -4,6 +4,7 @@
   "description": "This plugin transforms ES2015 modules to SystemJS",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-systemjs",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-modules-umd/package.json b/packages/babel-plugin-transform-modules-umd/package.json
index 8ba30be09f..94c1bfad40 100644
--- a/packages/babel-plugin-transform-modules-umd/package.json
+++ b/packages/babel-plugin-transform-modules-umd/package.json
@@ -4,6 +4,7 @@
   "description": "This plugin transforms ES2015 modules to UMD",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-modules-umd",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-named-capturing-groups-regex/package.json b/packages/babel-plugin-transform-named-capturing-groups-regex/package.json
index e861e36950..f8dec6007d 100644
--- a/packages/babel-plugin-transform-named-capturing-groups-regex/package.json
+++ b/packages/babel-plugin-transform-named-capturing-groups-regex/package.json
@@ -4,6 +4,7 @@
   "description": "Compile regular expressions using named groups to ES5.",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-new-target/package.json b/packages/babel-plugin-transform-new-target/package.json
index d92a9bba46..2e3ece2bb3 100644
--- a/packages/babel-plugin-transform-new-target/package.json
+++ b/packages/babel-plugin-transform-new-target/package.json
@@ -4,6 +4,7 @@
   "description": "Transforms new.target meta property",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-new-target",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-object-assign/package.json b/packages/babel-plugin-transform-object-assign/package.json
index 19032ac218..e3cafb627a 100644
--- a/packages/babel-plugin-transform-object-assign/package.json
+++ b/packages/babel-plugin-transform-object-assign/package.json
@@ -5,6 +5,7 @@
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-assign",
   "author": "Jed Watson",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
index a8206199b6..e96d9cee38 100644
--- a/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
+++ b/packages/babel-plugin-transform-object-set-prototype-of-to-assign/package.json
@@ -4,6 +4,7 @@
   "description": "Turn Object.setPrototypeOf to assignments",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-set-prototype-of-to-assign",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-object-super/package.json b/packages/babel-plugin-transform-object-super/package.json
index 9cfaa7d129..f9575d759a 100644
--- a/packages/babel-plugin-transform-object-super/package.json
+++ b/packages/babel-plugin-transform-object-super/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 object super to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-object-super",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-parameters/package.json b/packages/babel-plugin-transform-parameters/package.json
index 9f350b5277..415781c39c 100644
--- a/packages/babel-plugin-transform-parameters/package.json
+++ b/packages/babel-plugin-transform-parameters/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 default and rest parameters to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-parameters",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-property-literals/package.json b/packages/babel-plugin-transform-property-literals/package.json
index b2765963a1..7dee396801 100644
--- a/packages/babel-plugin-transform-property-literals/package.json
+++ b/packages/babel-plugin-transform-property-literals/package.json
@@ -4,6 +4,7 @@
   "description": "Ensure that reserved words are quoted in object property keys",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-property-literals",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-property-mutators/package.json b/packages/babel-plugin-transform-property-mutators/package.json
index 447459e94a..f790b51898 100644
--- a/packages/babel-plugin-transform-property-mutators/package.json
+++ b/packages/babel-plugin-transform-property-mutators/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES5 property mutator shorthand syntax to Object.defineProperty",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-property-mutators",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-proto-to-assign/package.json b/packages/babel-plugin-transform-proto-to-assign/package.json
index 9d299ace3c..3e2591f755 100644
--- a/packages/babel-plugin-transform-proto-to-assign/package.json
+++ b/packages/babel-plugin-transform-proto-to-assign/package.json
@@ -4,6 +4,7 @@
   "description": "Babel plugin for turning __proto__ into a shallow property clone",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-proto-to-assign",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-react-constant-elements/package.json b/packages/babel-plugin-transform-react-constant-elements/package.json
index 5db0453a5d..465b32f9bd 100644
--- a/packages/babel-plugin-transform-react-constant-elements/package.json
+++ b/packages/babel-plugin-transform-react-constant-elements/package.json
@@ -4,6 +4,7 @@
   "description": "Treat React JSX elements as value types and hoist them to the highest scope",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-constant-elements",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-react-display-name/package.json b/packages/babel-plugin-transform-react-display-name/package.json
index 93b5cfad77..989f89776a 100644
--- a/packages/babel-plugin-transform-react-display-name/package.json
+++ b/packages/babel-plugin-transform-react-display-name/package.json
@@ -4,6 +4,7 @@
   "description": "Add displayName to React.createClass calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-display-name",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-react-inline-elements/package.json b/packages/babel-plugin-transform-react-inline-elements/package.json
index d4cf5aadd9..ed011f78d7 100644
--- a/packages/babel-plugin-transform-react-inline-elements/package.json
+++ b/packages/babel-plugin-transform-react-inline-elements/package.json
@@ -4,6 +4,7 @@
   "description": "Turn JSX elements into exploded React objects",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-inline-elements",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-react-jsx-compat/package.json b/packages/babel-plugin-transform-react-jsx-compat/package.json
index 5e5d54534d..cec02c2c9c 100644
--- a/packages/babel-plugin-transform-react-jsx-compat/package.json
+++ b/packages/babel-plugin-transform-react-jsx-compat/package.json
@@ -4,6 +4,7 @@
   "description": "Turn JSX into React Pre-0.12 function calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-compat",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-react-jsx-self/package.json b/packages/babel-plugin-transform-react-jsx-self/package.json
index 798b3f52c8..581cdbf66a 100644
--- a/packages/babel-plugin-transform-react-jsx-self/package.json
+++ b/packages/babel-plugin-transform-react-jsx-self/package.json
@@ -4,6 +4,7 @@
   "description": "Add a __self prop to all JSX Elements",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-self",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-react-jsx-source/package.json b/packages/babel-plugin-transform-react-jsx-source/package.json
index 9b9593f73b..8b0e0dd176 100644
--- a/packages/babel-plugin-transform-react-jsx-source/package.json
+++ b/packages/babel-plugin-transform-react-jsx-source/package.json
@@ -4,6 +4,7 @@
   "description": "Add a __source prop to all JSX Elements",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx-source",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-react-jsx/package.json b/packages/babel-plugin-transform-react-jsx/package.json
index f88c40d9c5..393bd98aa6 100644
--- a/packages/babel-plugin-transform-react-jsx/package.json
+++ b/packages/babel-plugin-transform-react-jsx/package.json
@@ -4,6 +4,7 @@
   "description": "Turn JSX into React function calls",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-jsx",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-regenerator/package.json b/packages/babel-plugin-transform-regenerator/package.json
index b1d2ff187e..786c675c5a 100644
--- a/packages/babel-plugin-transform-regenerator/package.json
+++ b/packages/babel-plugin-transform-regenerator/package.json
@@ -10,6 +10,7 @@
     "regenerator-transform": "^0.14.0"
   },
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-reserved-words/package.json b/packages/babel-plugin-transform-reserved-words/package.json
index 4773bb0902..2fcec4a647 100644
--- a/packages/babel-plugin-transform-reserved-words/package.json
+++ b/packages/babel-plugin-transform-reserved-words/package.json
@@ -4,6 +4,7 @@
   "description": "Ensure that no reserved words are used.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-reserved-words",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-runtime/package.json b/packages/babel-plugin-transform-runtime/package.json
index 4e4123f3cb..9e5d72dd96 100644
--- a/packages/babel-plugin-transform-runtime/package.json
+++ b/packages/babel-plugin-transform-runtime/package.json
@@ -4,6 +4,7 @@
   "description": "Externalise references to helpers and builtins, automatically polyfilling your code without polluting globals",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-runtime",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-shorthand-properties/package.json b/packages/babel-plugin-transform-shorthand-properties/package.json
index 883951e6a7..6358cbe96c 100644
--- a/packages/babel-plugin-transform-shorthand-properties/package.json
+++ b/packages/babel-plugin-transform-shorthand-properties/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 shorthand properties to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-shorthand-properties",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-spread/package.json b/packages/babel-plugin-transform-spread/package.json
index f68feab9e4..f1084a953e 100644
--- a/packages/babel-plugin-transform-spread/package.json
+++ b/packages/babel-plugin-transform-spread/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 spread to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-spread",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-sticky-regex/package.json b/packages/babel-plugin-transform-sticky-regex/package.json
index d11aab3767..9b72f700cc 100644
--- a/packages/babel-plugin-transform-sticky-regex/package.json
+++ b/packages/babel-plugin-transform-sticky-regex/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 sticky regex to an ES5 RegExp constructor",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-sticky-regex",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-strict-mode/package.json b/packages/babel-plugin-transform-strict-mode/package.json
index d846e76d96..8cd46bcfb5 100644
--- a/packages/babel-plugin-transform-strict-mode/package.json
+++ b/packages/babel-plugin-transform-strict-mode/package.json
@@ -4,6 +4,7 @@
   "description": "This plugin places a 'use strict'; directive at the top of all files to enable strict mode",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-strict-mode",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-template-literals/package.json b/packages/babel-plugin-transform-template-literals/package.json
index e57b5b1ae3..a4392760ed 100644
--- a/packages/babel-plugin-transform-template-literals/package.json
+++ b/packages/babel-plugin-transform-template-literals/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 template literals to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-template-literals",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-typeof-symbol/package.json b/packages/babel-plugin-transform-typeof-symbol/package.json
index df9e97cd52..e336f9d4a3 100644
--- a/packages/babel-plugin-transform-typeof-symbol/package.json
+++ b/packages/babel-plugin-transform-typeof-symbol/package.json
@@ -4,6 +4,7 @@
   "description": "This transformer wraps all typeof expressions with a method that replicates native behaviour. (ie. returning “symbol” for symbols)",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-typeof-symbol",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-typescript/package.json b/packages/babel-plugin-transform-typescript/package.json
index c58f50f108..56b43eb78a 100644
--- a/packages/babel-plugin-transform-typescript/package.json
+++ b/packages/babel-plugin-transform-typescript/package.json
@@ -4,6 +4,7 @@
   "description": "Transform TypeScript into ES.next",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-typescript",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-plugin-transform-unicode-regex/package.json b/packages/babel-plugin-transform-unicode-regex/package.json
index daaf3701ec..fd903a966b 100644
--- a/packages/babel-plugin-transform-unicode-regex/package.json
+++ b/packages/babel-plugin-transform-unicode-regex/package.json
@@ -4,6 +4,7 @@
   "description": "Compile ES2015 Unicode regex to ES5",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-unicode-regex",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-polyfill/package.json b/packages/babel-polyfill/package.json
index 013e949556..6c7727ac36 100644
--- a/packages/babel-polyfill/package.json
+++ b/packages/babel-polyfill/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-preset-env/package.json b/packages/babel-preset-env/package.json
index 3b335e702e..a438ccc320 100644
--- a/packages/babel-preset-env/package.json
+++ b/packages/babel-preset-env/package.json
@@ -5,6 +5,7 @@
   "author": "Henry Zhu <hi@henryzoo.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-preset-flow/package.json b/packages/babel-preset-flow/package.json
index 500bdad7a8..187a3e9d0d 100644
--- a/packages/babel-preset-flow/package.json
+++ b/packages/babel-preset-flow/package.json
@@ -5,6 +5,7 @@
   "author": "James Kyle <me@thejameskyle.com>",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-flow",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-preset-react/package.json b/packages/babel-preset-react/package.json
index 0fffaa4ccf..f0c1394437 100644
--- a/packages/babel-preset-react/package.json
+++ b/packages/babel-preset-react/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-preset-stage-0/package.json b/packages/babel-preset-stage-0/package.json
index dc2ea43dc8..0ecff05047 100644
--- a/packages/babel-preset-stage-0/package.json
+++ b/packages/babel-preset-stage-0/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-preset-stage-1/package.json b/packages/babel-preset-stage-1/package.json
index 377959f834..65e776b3e9 100644
--- a/packages/babel-preset-stage-1/package.json
+++ b/packages/babel-preset-stage-1/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-preset-stage-2/package.json b/packages/babel-preset-stage-2/package.json
index af25940506..ac64588629 100644
--- a/packages/babel-preset-stage-2/package.json
+++ b/packages/babel-preset-stage-2/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-preset-stage-3/package.json b/packages/babel-preset-stage-3/package.json
index 2bb6507112..f49fae806f 100644
--- a/packages/babel-preset-stage-3/package.json
+++ b/packages/babel-preset-stage-3/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-preset-typescript/package.json b/packages/babel-preset-typescript/package.json
index c9d29c06d7..cf369a725d 100644
--- a/packages/babel-preset-typescript/package.json
+++ b/packages/babel-preset-typescript/package.json
@@ -4,6 +4,7 @@
   "description": "Babel preset for TypeScript.",
   "repository": "https://github.com/babel/babel/tree/master/packages/babel-preset-typescript",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-register/package.json b/packages/babel-register/package.json
index 31566ca6a6..6d9f68023f 100644
--- a/packages/babel-register/package.json
+++ b/packages/babel-register/package.json
@@ -3,6 +3,7 @@
   "version": "7.7.7",
   "description": "babel require hook",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-runtime-corejs2/package.json b/packages/babel-runtime-corejs2/package.json
index 68dd2cbca9..e79006f76f 100644
--- a/packages/babel-runtime-corejs2/package.json
+++ b/packages/babel-runtime-corejs2/package.json
@@ -3,6 +3,7 @@
   "version": "7.7.7",
   "description": "babel's modular runtime helpers with core-js@2 polyfilling",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-runtime-corejs3/package.json b/packages/babel-runtime-corejs3/package.json
index 64bcdb0f19..5065cce5a1 100644
--- a/packages/babel-runtime-corejs3/package.json
+++ b/packages/babel-runtime-corejs3/package.json
@@ -3,6 +3,7 @@
   "version": "7.7.7",
   "description": "babel's modular runtime helpers with core-js@3 polyfilling",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-runtime/package.json b/packages/babel-runtime/package.json
index d222ef4654..d96a7b2a83 100644
--- a/packages/babel-runtime/package.json
+++ b/packages/babel-runtime/package.json
@@ -3,6 +3,7 @@
   "version": "7.7.7",
   "description": "babel's modular runtime helpers",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-template/package.json b/packages/babel-template/package.json
index 3be2e36d34..30dd8b8a57 100644
--- a/packages/babel-template/package.json
+++ b/packages/babel-template/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-traverse/package.json b/packages/babel-traverse/package.json
index 662699e7cd..9e1c2a200f 100644
--- a/packages/babel-traverse/package.json
+++ b/packages/babel-traverse/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },
diff --git a/packages/babel-types/package.json b/packages/babel-types/package.json
index f9f6036ac7..33b0b4f815 100644
--- a/packages/babel-types/package.json
+++ b/packages/babel-types/package.json
@@ -5,6 +5,7 @@
   "author": "Sebastian McKenzie <sebmck@gmail.com>",
   "homepage": "https://babeljs.io/",
   "license": "MIT",
+  "type": "commonjs",
   "publishConfig": {
     "access": "public"
   },