From d1cabf6bc88dda5f13369f5aedc796066c2e94c8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Ribaudo?= <nicolo.ribaudo@gmail.com>
Date: Wed, 29 Dec 2021 16:29:10 +0100
Subject: [PATCH] [babel 8] Add `"exports"` to every package (#14013)

---
 .yarn/plugins/@yarnpkg/plugin-conditions.cjs   |  8 ++++----
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 constraints.pro                                | 12 ++++++++++++
 packages/babel-cli/package.json                | 12 ++++++++++++
 packages/babel-code-frame/package.json         | 12 ++++++++++++
 packages/babel-core/package.json               | 12 ++++++++++++
 packages/babel-generator/package.json          | 12 ++++++++++++
 .../babel-helper-annotate-as-pure/package.json | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               |  3 ++-
 .../package.json                               | 12 ++++++++++++
 .../package.json                               | 12 ++++++++++++
 packages/babel-helper-define-map/package.json  | 14 +++++++++++++-
 .../package.json                               |  3 ++-
 .../package.json                               | 14 +++++++++++++-
 packages/babel-helper-fixtures/package.json    | 12 ++++++++++++
 .../babel-helper-function-name/package.json    | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../babel-helper-hoist-variables/package.json  | 14 +++++++++++++-
 .../package.json                               | 12 ++++++++++++
 .../babel-helper-module-imports/package.json   | 12 ++++++++++++
 .../package.json                               | 12 ++++++++++++
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 18 +++++++++++++++++-
 .../babel-helper-plugin-utils/package.json     | 12 ++++++++++++
 .../package.json                               | 14 +++++++++++++-
 .../babel-helper-replace-supers/package.json   | 14 +++++++++++++-
 .../babel-helper-simple-access/package.json    | 12 ++++++++++++
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 12 ++++++++++++
 .../package.json                               |  5 ++++-
 .../babel-helper-validator-option/package.json |  5 ++++-
 .../babel-helper-wrap-function/package.json    | 14 +++++++++++++-
 packages/babel-helpers/package.json            | 12 ++++++++++++
 packages/babel-highlight/package.json          | 12 ++++++++++++
 packages/babel-node/package.json               | 12 ++++++++++++
 packages/babel-parser/package.json             | 14 +++++++++++++-
 .../package.json                               |  5 ++---
 .../package.json                               |  5 ++---
 .../babel-plugin-external-helpers/package.json | 14 +++++++++++++-
 .../package.json                               |  3 ++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               |  3 ++-
 .../package.json                               | 12 ++++++++++++
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               |  5 ++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               |  3 ++-
 .../babel-plugin-syntax-decimal/package.json   |  3 ++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 packages/babel-plugin-syntax-flow/package.json | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 packages/babel-plugin-syntax-jsx/package.json  | 14 +++++++++++++-
 .../package.json                               |  3 ++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../babel-plugin-transform-for-of/package.json | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 12 ++++++++++++
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 15 ++++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 12 ++++++++++++
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../babel-plugin-transform-spread/package.json | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 .../package.json                               | 14 +++++++++++++-
 packages/babel-preset-env/package.json         | 12 ++++++++++++
 packages/babel-preset-flow/package.json        | 12 ++++++++++++
 packages/babel-preset-react/package.json       | 12 ++++++++++++
 packages/babel-preset-typescript/package.json  | 14 +++++++++++++-
 packages/babel-register/package.json           | 12 ++++++++++++
 packages/babel-standalone/package.json         | 14 ++++++++++++++
 packages/babel-template/package.json           | 12 ++++++++++++
 packages/babel-traverse/package.json           | 12 ++++++++++++
 .../scripts/generators/validators.js           |  3 +--
 packages/babel-types/package.json              | 12 ++++++++++++
 145 files changed, 1717 insertions(+), 125 deletions(-)

diff --git a/.yarn/plugins/@yarnpkg/plugin-conditions.cjs b/.yarn/plugins/@yarnpkg/plugin-conditions.cjs
index 6ce962a2647a..c2da15055b96 100644
--- a/.yarn/plugins/@yarnpkg/plugin-conditions.cjs
+++ b/.yarn/plugins/@yarnpkg/plugin-conditions.cjs
@@ -3,15 +3,15 @@
 module.exports = {
 name: "@yarnpkg/plugin-conditions",
 factory: function (require) {
-var plugin=(()=>{var te=Object.create,U=Object.defineProperty,ne=Object.defineProperties,oe=Object.getOwnPropertyDescriptor,ie=Object.getOwnPropertyDescriptors,re=Object.getOwnPropertyNames,I=Object.getOwnPropertySymbols,se=Object.getPrototypeOf,W=Object.prototype.hasOwnProperty,ae=Object.prototype.propertyIsEnumerable;var N=(t,e,n)=>e in t?U(t,e,{enumerable:!0,configurable:!0,writable:!0,value:n}):t[e]=n,E=(t,e)=>{for(var n in e||(e={}))W.call(e,n)&&N(t,n,e[n]);if(I)for(var n of I(e))ae.call(e,n)&&N(t,n,e[n]);return t},V=(t,e)=>ne(t,ie(e)),ce=t=>U(t,"__esModule",{value:!0});var u=t=>{if(typeof require!="undefined")return require(t);throw new Error('Dynamic require of "'+t+'" is not supported')};var le=(t,e)=>{for(var n in e)U(t,n,{get:e[n],enumerable:!0})},pe=(t,e,n)=>{if(e&&typeof e=="object"||typeof e=="function")for(let o of re(e))!W.call(t,o)&&o!=="default"&&U(t,o,{get:()=>e[o],enumerable:!(n=oe(e,o))||n.enumerable});return t},f=t=>pe(ce(U(t!=null?te(se(t)):{},"default",t&&t.__esModule&&"default"in t?{get:()=>t.default,enumerable:!0}:{value:t,enumerable:!0})),t);var me={};le(me,{default:()=>fe});var Q=f(u("@yarnpkg/core"));var k=f(u("@yarnpkg/core"));function M(t){let e="condition:";if(!t.startsWith(e,0))throw new Error(`Expected 'condition:' at index 0 (${t})`);let n=e.length;a();let o=d(/[\w-]+/y);if(!o)throw new Error(`Expected an identifier at index ${n} (${t})`);a(),s("?"),a();let i=null;t[n]==="("?(i=m().trim()||null,a()):t[n]!==":"&&(i=P(":").trimRight()||null),s(":"),a();let r=null;n<t.length&&(t[n]==="("?(r=m().trim()||null,a()):t[n]!==":"&&(r=P("#").trimRight()||null));let c=null;if(n<t.length&&t[n]==="#"&&(n++,c=d(/\w+/y),a()),n!==t.length)throw new Error(`Unexpected '${t[n]}' at index ${n} (${t})`);return{test:o,consequent:i,alternate:r,hash:c};function s(l){if(t[n]!==l)throw new Error(`Expected '${l}' at index ${n} (${t})`);n++}function a(){d(/\s*/y)}function d(l){l.lastIndex=n;let p=l.exec(t);return p?(n+=p[0].length,p[0]):null}function P(l){let p=n;return n=t.indexOf(l,p),n===-1&&(n=t.length),t.slice(p,n)}function m(){s("(");let l=1,p="";for(;l;){if(n===t.length)throw new Error(`Expected ')' at index ${n} (${t})`);let D=t[n];D==="("&&l++,D===")"&&l--,(D!==")"||l>0)&&(p+=D),n++}return p}}var $=["dependencies","devDependencies","peerDependencies"],z=6;function h(t){return t.startsWith("condition:")}function A(t){try{return M(t)}catch(e){try{let{test:n,consequent:o,alternate:i}=k.structUtils.parseRange(t).params;return{test:n,consequent:o||null,alternate:i||null}}catch{throw e}}}function x(t){return A(t.range)}function b(t){return A(t.reference)}function de({test:t,consequent:e,alternate:n,hash:o}){return`condition:${t}?${e||""}:${n||""}#${o||""}`}function Y(t,{test:e,consequent:n,alternate:o,hash:i}){return k.structUtils.makeLocator(t,de({test:e,consequent:n,alternate:o,hash:i}))}function v(t,e,n,o,i){let r=k.structUtils.makeIdent(e.scope,`${e.name}-${n}-${i}`),c=t.configuration.get("defaultProtocol")+`${k.structUtils.stringifyIdent(e)}@${o}`;return k.structUtils.makeDescriptor(r,c)}function j(t,e,n,o){return k.hashUtils.makeHash(String(z),t,e||"-",n||"-",o?"1":"0").slice(0,6)}var L=f(u("@yarnpkg/core")),B={conditions:{description:"",type:L.SettingsType.MAP,valueDefinition:{description:"",type:L.SettingsType.SHAPE,properties:{source:{description:"",type:L.SettingsType.STRING,default:"env"},default:{description:"",type:L.SettingsType.BOOLEAN,default:!1}}}}};function H(t,e){if(!t.configuration.get("conditions").has(e))throw new Error(`Unknown condition: ${e}. You must add it to your .yarnrc.yml file.`)}function R(t,e){return H(t,e),t.configuration.get("conditions").get(e).get("default")}function q(t,e){var r;H(t,e);let n=t.configuration.get("conditions").get(e),o=n.get("source"),i=n.get("default");if(o!=="env")throw new Error("The only supported configuration source is 'env'");return(r=ue(process.env[e]))!=null?r:i}function ue(t){return t&&t!=="false"&&t!=="0"}var O=class{supportsDescriptor(e){return h(e.range)}supportsLocator(e){return h(e.reference)}shouldPersistResolution(){return!1}bindDescriptor(e){return e}getResolutionDependencies(e,n){let{test:o,consequent:i,alternate:r}=x(e);return[i&&v(n.project,e,o,i,!0),r&&v(n.project,e,o,r,!1)].filter(Boolean)}async getCandidates(e,n,o){let{test:i,consequent:r,alternate:c}=x(e),s=j(i,r,c,R(o.project,i));return[Y(e,{test:i,consequent:r,alternate:c,hash:s})]}async getSatisfying(){return null}async resolve(e,n){let{test:o,consequent:i,alternate:r}=b(e),c=j(o,i,r,R(n.project,o)),s=i&&v(n.project,e,o,i,!0),a=r&&v(n.project,e,o,r,!1);return V(E({},e),{version:`0.0.0-condition-${c}`,languageName:n.project.configuration.get("defaultLanguageName"),linkType:Q.LinkType.HARD,dependencies:new Map([i&&[s.identHash,s],r&&[a.identHash,a]].filter(Boolean)),peerDependencies:new Map,dependenciesMeta:new Map,peerDependenciesMeta:new Map,bin:null})}};var S=f(u("@yarnpkg/core"));var _=f(u("@yarnpkg/core")),y=f(u("@yarnpkg/fslib")),J=f(u("@yarnpkg/libzip")),K=15805116e5;async function G(t,e,n,o){let[i,r]=await Promise.all([y.xfs.mktempPromise(),(0,J.getLibzipPromise)()]),c=y.ppath.join(i,"condition.zip"),s=_.structUtils.getIdentVendorPath(t),a=new y.ZipFS(c,{libzip:r,create:!0,level:e.configuration.get("compressionLevel")});return await a.mkdirpPromise(s),await Promise.all([a.writeJsonPromise(y.ppath.join(s,"package.json"),n),a.writeFilePromise(y.ppath.join(s,"index.js"),o)]),await Promise.all(a.getAllFiles().map(d=>a.utimesPromise(d,K,K))),a}var F=class{supports(e){return h(e.reference)}getLocalPath(){return null}async fetch(e,n){let o=n.checksums.get(e.locatorHash)||null,[i,r,c]=await n.cache.fetchPackageFromCache(e,o,{onHit:()=>n.report.reportCacheHit(e),onMiss:()=>n.report.reportCacheMiss(e,`${S.structUtils.prettyLocator(n.project.configuration,e)} can't be found in the cache and will be fetched from the disk`),loader:()=>this.generateConditionPackage(e,n),skipIntegrityCheck:n.skipIntegrityCheck});return{packageFs:i,releaseFs:r,prefixPath:S.structUtils.getIdentVendorPath(e),localPath:this.getLocalPath(),checksum:c}}async generateConditionPackage(e,n){let{test:o,consequent:i,alternate:r}=b(e),c=R(n.project,o),s=j(o,i,r,c),a=(m,l)=>{if(m==null)return{dependency:null,require:"null"};let p=v(n.project,e,o,m,l),D=S.structUtils.stringifyIdent(p);return{dependency:{[D]:p.range},require:`require(${JSON.stringify(D)})`}},d=a(i,!0),P=a(r,!1);return G(e,n.project,{version:`0.0.0-condition-${s}`,dependencies:E(E({},d.dependency),P.dependency)},`// env vars from the cli are always strings, so !!ENV_VAR returns true for "false"
+var plugin=(()=>{var ne=Object.create,w=Object.defineProperty,oe=Object.defineProperties,ie=Object.getOwnPropertyDescriptor,re=Object.getOwnPropertyDescriptors,se=Object.getOwnPropertyNames,I=Object.getOwnPropertySymbols,ae=Object.getPrototypeOf,W=Object.prototype.hasOwnProperty,ce=Object.prototype.propertyIsEnumerable;var N=(t,e,n)=>e in t?w(t,e,{enumerable:!0,configurable:!0,writable:!0,value:n}):t[e]=n,j=(t,e)=>{for(var n in e||(e={}))W.call(e,n)&&N(t,n,e[n]);if(I)for(var n of I(e))ce.call(e,n)&&N(t,n,e[n]);return t},V=(t,e)=>oe(t,re(e)),le=t=>w(t,"__esModule",{value:!0});var g=t=>{if(typeof require!="undefined")return require(t);throw new Error('Dynamic require of "'+t+'" is not supported')};var pe=(t,e)=>{for(var n in e)w(t,n,{get:e[n],enumerable:!0})},de=(t,e,n)=>{if(e&&typeof e=="object"||typeof e=="function")for(let o of se(e))!W.call(t,o)&&o!=="default"&&w(t,o,{get:()=>e[o],enumerable:!(n=ie(e,o))||n.enumerable});return t},m=t=>de(le(w(t!=null?ne(ae(t)):{},"default",t&&t.__esModule&&"default"in t?{get:()=>t.default,enumerable:!0}:{value:t,enumerable:!0})),t);var ke={};pe(ke,{default:()=>he});var Q=m(g("@yarnpkg/core"));var y=m(g("@yarnpkg/core"));function z(t){let e="condition:";if(!t.startsWith(e,0))throw new Error(`Expected 'condition:' at index 0 (${t})`);let n=e.length;c();let o=d(/[\w-]+/y);if(!o)throw new Error(`Expected an identifier at index ${n} (${t})`);c(),a("?"),c();let i=null;t[n]==="("?(i=f().trim()||null,c()):t[n]!==":"&&(i=u(":").trimRight()||null),a(":"),c();let r=null;n<t.length&&(t[n]==="("?(r=f().trim()||null,c()):t[n]!==":"&&(r=u("#").trimRight()||null));let s=null;if(n<t.length&&t[n]==="#"&&(n++,s=d(/\w+/y),c()),n!==t.length)throw new Error(`Unexpected '${t[n]}' at index ${n} (${t})`);return{test:o,consequent:i,alternate:r,hash:s};function a(l){if(t[n]!==l)throw new Error(`Expected '${l}' at index ${n} (${t})`);n++}function c(){d(/\s*/y)}function d(l){l.lastIndex=n;let p=l.exec(t);return p?(n+=p[0].length,p[0]):null}function u(l){let p=n;return n=t.indexOf(l,p),n===-1&&(n=t.length),t.slice(p,n)}function f(){a("(");let l=1,p="";for(;l;){if(n===t.length)throw new Error(`Expected ')' at index ${n} (${t})`);let D=t[n];D==="("&&l++,D===")"&&l--,(D!==")"||l>0)&&(p+=D),n++}return p}}var R=["dependencies","devDependencies","peerDependencies"],A=6;function k(t){return t.startsWith("condition:")}function Y(t){try{return z(t)}catch(e){try{let{test:n,consequent:o,alternate:i}=y.structUtils.parseRange(t).params;return{test:n,consequent:o||null,alternate:i||null}}catch{throw e}}}function x(t){return Y(t.range)}function $(t){return Y(t.reference)}function ue({test:t,consequent:e,alternate:n,hash:o}){return`condition:${t}?${e||""}:${n||""}#${o||""}`}function B(t,{test:e,consequent:n,alternate:o,hash:i}){return y.structUtils.makeLocator(t,ue({test:e,consequent:n,alternate:o,hash:i}))}function v(t,e,n,o,i){let r=y.structUtils.makeIdent(e.scope,`${e.name}-${n}-${i}`),s=t.configuration.get("defaultProtocol")+`${y.structUtils.stringifyIdent(e)}@${o}`;return y.structUtils.makeDescriptor(r,s)}function E(t,e,n,o){return y.hashUtils.makeHash(String(A),t,e||"-",n||"-",o?"1":"0").slice(0,6)}var b=m(g("@yarnpkg/core")),M={conditions:{description:"",type:b.SettingsType.MAP,valueDefinition:{description:"",type:b.SettingsType.SHAPE,properties:{source:{description:"",type:b.SettingsType.STRING,default:"env"},default:{description:"",type:b.SettingsType.BOOLEAN,default:!1}}}}};function q(t,e){if(!t.configuration.get("conditions").has(e))throw new Error(`Unknown condition: ${e}. You must add it to your .yarnrc.yml file.`)}function L(t,e){return q(t,e),t.configuration.get("conditions").get(e).get("default")}function O(t,e){var r;q(t,e);let n=t.configuration.get("conditions").get(e),o=n.get("source"),i=n.get("default");if(o!=="env")throw new Error("The only supported configuration source is 'env'");return(r=fe(process.env[e]))!=null?r:i}function fe(t){return t&&t!=="false"&&t!=="0"}var F=class{supportsDescriptor(e){return k(e.range)}supportsLocator(e){return k(e.reference)}shouldPersistResolution(){return!1}bindDescriptor(e){return e}getResolutionDependencies(e,n){let{test:o,consequent:i,alternate:r}=x(e);return[i&&v(n.project,e,o,i,!0),r&&v(n.project,e,o,r,!1)].filter(Boolean)}async getCandidates(e,n,o){let{test:i,consequent:r,alternate:s}=x(e),a=E(i,r,s,L(o.project,i));return[B(e,{test:i,consequent:r,alternate:s,hash:a})]}async getSatisfying(){return null}async resolve(e,n){let{test:o,consequent:i,alternate:r}=$(e),s=E(o,i,r,L(n.project,o)),a=i&&v(n.project,e,o,i,!0),c=r&&v(n.project,e,o,r,!1);return V(j({},e),{version:`0.0.0-condition-${s}`,languageName:n.project.configuration.get("defaultLanguageName"),linkType:Q.LinkType.HARD,dependencies:new Map([i&&[a.identHash,a],r&&[c.identHash,c]].filter(Boolean)),peerDependencies:new Map,dependenciesMeta:new Map,peerDependenciesMeta:new Map,bin:null})}};var H=m(g("@yarnpkg/core"));var _=m(g("@yarnpkg/core")),P=m(g("@yarnpkg/fslib")),J=m(g("@yarnpkg/libzip")),K=15805116e5;async function G(t,e,n,o){let[i,r]=await Promise.all([P.xfs.mktempPromise(),(0,J.getLibzipPromise)()]),s=P.ppath.join(i,"condition.zip"),a=_.structUtils.getIdentVendorPath(t),c=new P.ZipFS(s,{libzip:r,create:!0,level:e.configuration.get("compressionLevel")});return await c.mkdirpPromise(a),await Promise.all([c.writeJsonPromise(P.ppath.join(a,"package.json"),n),c.writeFilePromise(P.ppath.join(a,"index.js"),o)]),await Promise.all(c.getAllFiles().map(d=>c.utimesPromise(d,K,K))),c}var S=class{supports(e){return k(e.reference)}getLocalPath(){return null}async fetch(e,n){let o=n.checksums.get(e.locatorHash)||null,[i,r,s]=await n.cache.fetchPackageFromCache(e,o,{onHit:()=>n.report.reportCacheHit(e),onMiss:()=>n.report.reportCacheMiss(e,`${H.structUtils.prettyLocator(n.project.configuration,e)} can't be found in the cache and will be fetched from the disk`),loader:()=>this.generateConditionPackage(e,n),skipIntegrityCheck:n.skipIntegrityCheck});return{packageFs:i,releaseFs:r,prefixPath:H.structUtils.getIdentVendorPath(e),localPath:this.getLocalPath(),checksum:s}}async generateConditionPackage(e,n){let{test:o,consequent:i,alternate:r}=$(e),s=L(n.project,o),a=E(o,i,r,s),c=(f,l)=>{if(f==null)return{dependency:null,require:"null"};let p=v(n.project,e,o,f,l),D=H.structUtils.stringifyIdent(p);return{dependency:{[D]:p.range},require:`require(${JSON.stringify(D)})`}},d=c(i,!0),u=c(r,!1);return G(e,n.project,{version:`0.0.0-condition-${a}`,dependencies:j(j({},d.dependency),u.dependency)},`// env vars from the cli are always strings, so !!ENV_VAR returns true for "false"
 function bool(value) {
-  if (value == null) return ${c};
+  if (value == null) return ${s};
   return value && value !== "false" && value !== "0";
 }
 module.exports = bool(process.env[${JSON.stringify(o)}])
   ? ${d.require}
-  : ${P.require};
-`)}};var T=f(u("@yarnpkg/core"));async function Z(t,e){var i;let{project:n}=t,o=!1;for(let r of $){let c=t.manifest.getForScope(r).values();for(let s of c){if(!h(s.range))continue;let{test:a,consequent:d,alternate:P}=x(s),m=q(n,a)?d:P,l=T.structUtils.stringifyIdent(s),p=r==="dependencies"&&!e.dependencies[l]&&((i=e.optionalDependencies)==null?void 0:i[l])?"optionalDependencies":r;m?(e[p][l]=m,t.manifest.raw[p][l]=m,t.manifest[r].set(s.identHash,T.structUtils.makeDescriptor(s,m))):(delete e[p][l],delete t.manifest.raw[p][l],t.manifest[r].delete(s.identHash)),o=!0}}o&&await t.project.configuration.triggerHook(r=>r.beforeWorkspacePacking,t,e)}var g=f(u("@yarnpkg/core")),X=f(u("@yarnpkg/cli")),w=f(u("clipanion")),ee=f(u("typanion"));var C=class extends X.BaseCommand{constructor(){super(...arguments);this.condition=w.Option.String({required:!0});this.true=w.Option.Boolean("--true",!1);this.false=w.Option.Boolean("--false",!1)}async execute(){let{project:e,workspace:n,cache:o,configuration:i}=await this.getRoot();H(e,this.condition);let r=this.false?!1:this.true?!0:q(e,this.condition);for(let s of this.nestedWorkspaces(n,e))this.materializeCondition(r,s);let c=await g.StreamReport.start({configuration:i,stdout:this.context.stdout,includeLogs:!0},async s=>{await e.resolveEverything({cache:o,report:s})});if(c.hasErrors())return c.exitCode();await e.persist()}*nestedWorkspaces(e,n){yield e;for(let o of e.workspacesCwds){let i=n.workspacesByCwd.get(o);i&&(yield*this.nestedWorkspaces(i,n))}}materializeCondition(e,n){for(let o of $){let i=n.manifest.getForScope(o).values();for(let r of i){if(!h(r.range))continue;let{test:c,consequent:s,alternate:a}=x(r);if(c!==this.condition)continue;let d=e?s:a;d?n.manifest[o].set(r.identHash,g.structUtils.makeDescriptor(r,d)):n.manifest[o].delete(r.identHash)}}}async getRoot(){let e=await g.Configuration.find(this.context.cwd,this.context.plugins),[{project:n,workspace:o},i]=await Promise.all([g.Project.find(e,this.context.cwd),g.Cache.find(e,{immutable:!0})]);return{configuration:e,project:n,workspace:o,cache:i}}};C.paths=[["condition","materialize"]],C.usage=w.Command.Usage({description:"Evaluate and replace a condition in package.json files",details:"\n      This command will replace all the occurrences of `<condition>` in the current workspace and in nested workspaces.\n\n      The value of the condition (`true` or `false`) is based on the following sources, in descending priority order:\n\n      - the `--true` or `--false` option;\n      - the `<condition>` environment variable;\n      - the default value specified in the Yarn configuration;\n      - `false` by default.\n    "}),C.schema=[ee.hasMutuallyExclusiveKeys(["true","false"])];var fe={configuration:B,commands:[C],fetchers:[F],resolvers:[O],hooks:{beforeWorkspacePacking:Z}};return me;})();
+  : ${u.require};
+`)}};var T=m(g("@yarnpkg/core"));var ge=Function.call.bind(Object.prototype.hasOwnProperty);async function Z(t,e){var i;let{project:n}=t,o=!1;for(let r of R){let s=t.manifest.getForScope(r).values();for(let a of s){if(!k(a.range))continue;let{test:c,consequent:d,alternate:u}=x(a),f=O(n,c)?d:u,l=T.structUtils.stringifyIdent(a),p=r==="dependencies"&&!e.dependencies[l]&&((i=e.optionalDependencies)==null?void 0:i[l])?"optionalDependencies":r;f?(e[p][l]=f,t.manifest.raw[p][l]=f,t.manifest[r].set(a.identHash,T.structUtils.makeDescriptor(a,f))):(delete e[p][l],delete t.manifest.raw[p][l],t.manifest[r].delete(a.identHash)),o=!0}}if(ge(e,"conditions")){o=!0;let r=e.conditions;for(let[s,[a,c]]of Object.entries(r)){let d=O(n,s)?a:c;if(d)for(let[u,f]of Object.entries(d))f===null?delete e[u]:e[u]=f}delete e.conditions}o&&await t.project.configuration.triggerHook(r=>r.beforeWorkspacePacking,t,e)}var h=m(g("@yarnpkg/core")),X=m(g("@yarnpkg/cli")),C=m(g("clipanion")),ee=m(g("typanion"));var me=Function.call.bind(Object.prototype.hasOwnProperty),te=(t,e,...n)=>me(t,e)&&(n.length===0||te(t[e],...n)),U=class extends X.BaseCommand{constructor(){super(...arguments);this.condition=C.Option.String({required:!0});this.true=C.Option.Boolean("--true",!1);this.false=C.Option.Boolean("--false",!1)}async execute(){let{project:e,workspace:n,cache:o,configuration:i}=await this.getRoot();q(e,this.condition);let r=this.false?!1:this.true?!0:O(e,this.condition);for(let a of this.nestedWorkspaces(n,e))this.materializeCondition(r,a);let s=await h.StreamReport.start({configuration:i,stdout:this.context.stdout,includeLogs:!0},async a=>{await e.resolveEverything({cache:o,report:a})});if(s.hasErrors())return s.exitCode();await e.persist()}*nestedWorkspaces(e,n){yield e;for(let o of e.workspacesCwds){let i=n.workspacesByCwd.get(o);i&&(yield*this.nestedWorkspaces(i,n))}}materializeCondition(e,n){for(let i of R){let r=n.manifest.getForScope(i).values();for(let s of r){if(!k(s.range))continue;let{test:a,consequent:c,alternate:d}=x(s);if(a!==this.condition)continue;let u=e?c:d;u?n.manifest[i].set(s.identHash,h.structUtils.makeDescriptor(s,u)):n.manifest[i].delete(s.identHash)}}let o=n.manifest.raw;if(te(o,"conditions",this.condition)){let[i,r]=o.conditions[this.condition],s=e?i:r;if(s)for(let[a,c]of Object.entries(s))c===null?delete o[a]:o[a]=c;Object.keys(o.conditions).length===1?delete o.conditions:delete o.conditions[this.condition]}}async getRoot(){let e=await h.Configuration.find(this.context.cwd,this.context.plugins),[{project:n,workspace:o},i]=await Promise.all([h.Project.find(e,this.context.cwd),h.Cache.find(e,{immutable:!0})]);return{configuration:e,project:n,workspace:o,cache:i}}};U.paths=[["condition","materialize"]],U.usage=C.Command.Usage({description:"Evaluate and replace a condition in package.json files",details:"\n      This command will replace all the occurrences of `<condition>` in the current workspace and in nested workspaces.\n\n      The value of the condition (`true` or `false`) is based on the following sources, in descending priority order:\n\n      - the `--true` or `--false` option;\n      - the `<condition>` environment variable;\n      - the default value specified in the Yarn configuration;\n      - `false` by default.\n    "}),U.schema=[ee.hasMutuallyExclusiveKeys(["true","false"])];var he={configuration:M,commands:[U],fetchers:[S],resolvers:[F],hooks:{beforeWorkspacePacking:Z}};return ke;})();
 return plugin;
 }
 };
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 d10645fe9b2a..5d7675ca6449 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
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/codemods/babel-plugin-codemod-optional-catch-binding/package.json b/codemods/babel-plugin-codemod-optional-catch-binding/package.json
index b26fa59d8280..394473193899 100644
--- a/codemods/babel-plugin-codemod-optional-catch-binding/package.json
+++ b/codemods/babel-plugin-codemod-optional-catch-binding/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/constraints.pro b/constraints.pro
index 601c71c3dab0..e0c7f7b75b13 100644
--- a/constraints.pro
+++ b/constraints.pro
@@ -74,3 +74,15 @@ gen_enforced_field(WorkspaceCwd, FieldName, ExpectedValue) :-
 gen_enforced_dependency(WorkspaceCwd, DependencyIdent, null, 'devDependencies') :-
   workspace_has_dependency(WorkspaceCwd, DependencyIdent, _, 'devDependencies'),
   workspace_has_dependency(WorkspaceCwd, DependencyIdent, _, 'dependencies').
+
+% Enforces `exports` to be consistent
+gen_enforced_field(WorkspaceCwd, 'exports', '{ ".": "./lib/index.js", "./package.json": "./package.json" }') :-
+  \+ workspace_field(WorkspaceCwd, 'private', true),
+  % Exclude packages with more complex `exports`
+  workspace_ident(WorkspaceCwd, WorkspaceIdent),
+  WorkspaceIdent \= '@babel/eslint-parser',
+  WorkspaceIdent \= '@babel/compat-data',
+  WorkspaceIdent \= '@babel/plugin-transform-react-jsx', % TODO: Remove in Babel 8
+  WorkspaceIdent \= '@babel/helper-plugin-test-runner', % TODO: Remove in Babel 8
+  WorkspaceIdent \= '@babel/standalone',
+  \+ atom_concat('@babel/runtime', _, WorkspaceIdent).
diff --git a/packages/babel-cli/package.json b/packages/babel-cli/package.json
index 995b582bf9a3..a0969ff77b8e 100644
--- a/packages/babel-cli/package.json
+++ b/packages/babel-cli/package.json
@@ -50,5 +50,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-code-frame/package.json b/packages/babel-code-frame/package.json
index ecc5ffabbb31..77f7591c0089 100644
--- a/packages/babel-code-frame/package.json
+++ b/packages/babel-code-frame/package.json
@@ -25,5 +25,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index 522adfc4f71c..d655141cf1c0 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -72,5 +72,17 @@
     "@types/resolve": "^1.3.2",
     "@types/semver": "^5.4.0",
     "@types/source-map": "^0.5.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-generator/package.json b/packages/babel-generator/package.json
index 3445a9445afc..6cb731a3c899 100644
--- a/packages/babel-generator/package.json
+++ b/packages/babel-generator/package.json
@@ -32,5 +32,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-helper-annotate-as-pure/package.json b/packages/babel-helper-annotate-as-pure/package.json
index 67cd8ec77124..30e713997dc7 100644
--- a/packages/babel-helper-annotate-as-pure/package.json
+++ b/packages/babel-helper-annotate-as-pure/package.json
@@ -19,5 +19,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
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 df5876fc98a6..e73883823c13 100644
--- a/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
+++ b/packages/babel-helper-builder-binary-assignment-operator-visitor/package.json
@@ -20,5 +20,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helper-builder-react-jsx/package.json b/packages/babel-helper-builder-react-jsx/package.json
index 6ce3c72fe71b..349bd7568a6d 100644
--- a/packages/babel-helper-builder-react-jsx/package.json
+++ b/packages/babel-helper-builder-react-jsx/package.json
@@ -23,5 +23,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helper-compilation-targets/package.json b/packages/babel-helper-compilation-targets/package.json
index 4ad1acaabfd6..7039bc65fd50 100644
--- a/packages/babel-helper-compilation-targets/package.json
+++ b/packages/babel-helper-compilation-targets/package.json
@@ -11,7 +11,8 @@
   },
   "main": "./lib/index.js",
   "exports": {
-    ".": "./lib/index.js"
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   },
   "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 cafadba9652e..bbc472607817 100644
--- a/packages/babel-helper-create-class-features-plugin/package.json
+++ b/packages/babel-helper-create-class-features-plugin/package.json
@@ -37,5 +37,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-helper-create-regexp-features-plugin/package.json b/packages/babel-helper-create-regexp-features-plugin/package.json
index 0d3158ded508..162a99ebfdb0 100644
--- a/packages/babel-helper-create-regexp-features-plugin/package.json
+++ b/packages/babel-helper-create-regexp-features-plugin/package.json
@@ -30,5 +30,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-helper-define-map/package.json b/packages/babel-helper-define-map/package.json
index 87c77628f02b..867fbdcdcc23 100644
--- a/packages/babel-helper-define-map/package.json
+++ b/packages/babel-helper-define-map/package.json
@@ -20,5 +20,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helper-environment-visitor/package.json b/packages/babel-helper-environment-visitor/package.json
index daf0f0466af2..d468376f60df 100644
--- a/packages/babel-helper-environment-visitor/package.json
+++ b/packages/babel-helper-environment-visitor/package.json
@@ -14,7 +14,8 @@
   },
   "main": "./lib/index.js",
   "exports": {
-    ".": "./lib/index.js"
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   },
   "dependencies": {
     "@babel/types": "workspace:^"
diff --git a/packages/babel-helper-explode-assignable-expression/package.json b/packages/babel-helper-explode-assignable-expression/package.json
index 381bd583366a..ef502979f0d2 100644
--- a/packages/babel-helper-explode-assignable-expression/package.json
+++ b/packages/babel-helper-explode-assignable-expression/package.json
@@ -22,5 +22,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helper-fixtures/package.json b/packages/babel-helper-fixtures/package.json
index 7df33265840c..53980428af50 100644
--- a/packages/babel-helper-fixtures/package.json
+++ b/packages/babel-helper-fixtures/package.json
@@ -22,5 +22,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-helper-function-name/package.json b/packages/babel-helper-function-name/package.json
index 0ec806d81b4b..ef31f8ca8a1b 100644
--- a/packages/babel-helper-function-name/package.json
+++ b/packages/babel-helper-function-name/package.json
@@ -21,5 +21,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helper-get-function-arity/package.json b/packages/babel-helper-get-function-arity/package.json
index f4d123ab5a9a..3dc580ab2842 100644
--- a/packages/babel-helper-get-function-arity/package.json
+++ b/packages/babel-helper-get-function-arity/package.json
@@ -19,5 +19,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helper-hoist-variables/package.json b/packages/babel-helper-hoist-variables/package.json
index 6cb450ed040a..1f323ca663a4 100644
--- a/packages/babel-helper-hoist-variables/package.json
+++ b/packages/babel-helper-hoist-variables/package.json
@@ -23,5 +23,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helper-member-expression-to-functions/package.json b/packages/babel-helper-member-expression-to-functions/package.json
index aa83eba23696..2d35bbea60fa 100644
--- a/packages/babel-helper-member-expression-to-functions/package.json
+++ b/packages/babel-helper-member-expression-to-functions/package.json
@@ -22,5 +22,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-helper-module-imports/package.json b/packages/babel-helper-module-imports/package.json
index 7ef5fc428cff..d50a0a3a87b3 100644
--- a/packages/babel-helper-module-imports/package.json
+++ b/packages/babel-helper-module-imports/package.json
@@ -23,5 +23,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-helper-module-transforms/package.json b/packages/babel-helper-module-transforms/package.json
index c4873f9b3b5f..9cadcb163f7f 100644
--- a/packages/babel-helper-module-transforms/package.json
+++ b/packages/babel-helper-module-transforms/package.json
@@ -26,5 +26,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-helper-optimise-call-expression/package.json b/packages/babel-helper-optimise-call-expression/package.json
index 48b46e50afad..dbc2c209c4d3 100644
--- a/packages/babel-helper-optimise-call-expression/package.json
+++ b/packages/babel-helper-optimise-call-expression/package.json
@@ -23,5 +23,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helper-plugin-test-runner/package.json b/packages/babel-helper-plugin-test-runner/package.json
index c9eeaad0bb7e..c183e1826201 100644
--- a/packages/babel-helper-plugin-test-runner/package.json
+++ b/packages/babel-helper-plugin-test-runner/package.json
@@ -33,5 +33,21 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      {
+        "exports": {
+          ".": {
+            "import": "./esm.mjs",
+            "default": "./lib/index.js"
+          },
+          "./package.json": "./package.json"
+        }
+      },
+      {
+        "exports": null
+      }
+    ]
+  }
 }
diff --git a/packages/babel-helper-plugin-utils/package.json b/packages/babel-helper-plugin-utils/package.json
index 4566dae44fa8..b7f92a12f1c1 100644
--- a/packages/babel-helper-plugin-utils/package.json
+++ b/packages/babel-helper-plugin-utils/package.json
@@ -16,5 +16,17 @@
   "main": "./lib/index.js",
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-helper-remap-async-to-generator/package.json b/packages/babel-helper-remap-async-to-generator/package.json
index a94723727f2a..ac666980c845 100644
--- a/packages/babel-helper-remap-async-to-generator/package.json
+++ b/packages/babel-helper-remap-async-to-generator/package.json
@@ -24,5 +24,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helper-replace-supers/package.json b/packages/babel-helper-replace-supers/package.json
index b18c9e1bcee9..f5fc7c0ddfc1 100644
--- a/packages/babel-helper-replace-supers/package.json
+++ b/packages/babel-helper-replace-supers/package.json
@@ -23,5 +23,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helper-simple-access/package.json b/packages/babel-helper-simple-access/package.json
index bb1472025f4a..0e87da8a1d9c 100644
--- a/packages/babel-helper-simple-access/package.json
+++ b/packages/babel-helper-simple-access/package.json
@@ -22,5 +22,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-helper-split-export-declaration/package.json b/packages/babel-helper-split-export-declaration/package.json
index 122d47740000..a0ec0f52d054 100644
--- a/packages/babel-helper-split-export-declaration/package.json
+++ b/packages/babel-helper-split-export-declaration/package.json
@@ -19,5 +19,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helper-transform-fixture-test-runner/package.json b/packages/babel-helper-transform-fixture-test-runner/package.json
index 9add4c64e32a..32ec246d36a4 100644
--- a/packages/babel-helper-transform-fixture-test-runner/package.json
+++ b/packages/babel-helper-transform-fixture-test-runner/package.json
@@ -28,5 +28,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-helper-validator-identifier/package.json b/packages/babel-helper-validator-identifier/package.json
index c1834b33576f..ac8369593066 100644
--- a/packages/babel-helper-validator-identifier/package.json
+++ b/packages/babel-helper-validator-identifier/package.json
@@ -12,7 +12,10 @@
     "access": "public"
   },
   "main": "./lib/index.js",
-  "exports": "./lib/index.js",
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  },
   "devDependencies": {
     "@unicode/unicode-14.0.0": "^1.2.1",
     "charcodes": "^0.2.0"
diff --git a/packages/babel-helper-validator-option/package.json b/packages/babel-helper-validator-option/package.json
index 7cb480a117eb..d3e8620e166b 100644
--- a/packages/babel-helper-validator-option/package.json
+++ b/packages/babel-helper-validator-option/package.json
@@ -12,7 +12,10 @@
     "access": "public"
   },
   "main": "./lib/index.js",
-  "exports": "./lib/index.js",
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  },
   "engines": {
     "node": ">=6.9.0"
   },
diff --git a/packages/babel-helper-wrap-function/package.json b/packages/babel-helper-wrap-function/package.json
index 39571a9ddef5..f2f633fca51b 100644
--- a/packages/babel-helper-wrap-function/package.json
+++ b/packages/babel-helper-wrap-function/package.json
@@ -22,5 +22,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-helpers/package.json b/packages/babel-helpers/package.json
index 0086c2611c6e..349c4533004d 100644
--- a/packages/babel-helpers/package.json
+++ b/packages/babel-helpers/package.json
@@ -25,5 +25,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-highlight/package.json b/packages/babel-highlight/package.json
index c063fe09aded..93bdef4bac7b 100644
--- a/packages/babel-highlight/package.json
+++ b/packages/babel-highlight/package.json
@@ -25,5 +25,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-node/package.json b/packages/babel-node/package.json
index e9b175736120..0aede57b8953 100644
--- a/packages/babel-node/package.json
+++ b/packages/babel-node/package.json
@@ -46,5 +46,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-parser/package.json b/packages/babel-parser/package.json
index d6ea890228f0..aeb5222ea957 100644
--- a/packages/babel-parser/package.json
+++ b/packages/babel-parser/package.json
@@ -38,5 +38,17 @@
     "@babel/helper-validator-identifier": "workspace:^",
     "charcodes": "^0.2.0"
   },
-  "bin": "./bin/babel-parser.js"
+  "bin": "./bin/babel-parser.js",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression/package.json b/packages/babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression/package.json
index a30ddb7a0b6d..aa249402711a 100644
--- a/packages/babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression/package.json
+++ b/packages/babel-plugin-bugfix-safari-id-destructuring-collision-in-function-expression/package.json
@@ -14,9 +14,8 @@
   },
   "main": "./lib/index.js",
   "exports": {
-    ".": [
-      "./lib/index.js"
-    ]
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   },
   "keywords": [
     "babel-plugin",
diff --git a/packages/babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining/package.json b/packages/babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining/package.json
index aa19162318cd..4bc75646b60a 100644
--- a/packages/babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining/package.json
+++ b/packages/babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining/package.json
@@ -14,9 +14,8 @@
   },
   "main": "./lib/index.js",
   "exports": {
-    ".": [
-      "./lib/index.js"
-    ]
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   },
   "keywords": [
     "babel-plugin",
diff --git a/packages/babel-plugin-external-helpers/package.json b/packages/babel-plugin-external-helpers/package.json
index 51d532faed3e..7494846c1b02 100644
--- a/packages/babel-plugin-external-helpers/package.json
+++ b/packages/babel-plugin-external-helpers/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-async-do-expressions/package.json b/packages/babel-plugin-proposal-async-do-expressions/package.json
index c378758d7055..5c26a8f7d7ea 100644
--- a/packages/babel-plugin-proposal-async-do-expressions/package.json
+++ b/packages/babel-plugin-proposal-async-do-expressions/package.json
@@ -13,7 +13,8 @@
   },
   "main": "./lib/index.js",
   "exports": {
-    ".": "./lib/index.js"
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   },
   "keywords": [
     "babel-plugin"
diff --git a/packages/babel-plugin-proposal-async-generator-functions/package.json b/packages/babel-plugin-proposal-async-generator-functions/package.json
index 722d07a600a5..a94bbc340626 100644
--- a/packages/babel-plugin-proposal-async-generator-functions/package.json
+++ b/packages/babel-plugin-proposal-async-generator-functions/package.json
@@ -33,5 +33,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-class-properties/package.json b/packages/babel-plugin-proposal-class-properties/package.json
index 5aa2e9938eab..2a92c45f8b91 100644
--- a/packages/babel-plugin-proposal-class-properties/package.json
+++ b/packages/babel-plugin-proposal-class-properties/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-class-static-block/package.json b/packages/babel-plugin-proposal-class-static-block/package.json
index 1e2c51006404..226667545f6c 100644
--- a/packages/babel-plugin-proposal-class-static-block/package.json
+++ b/packages/babel-plugin-proposal-class-static-block/package.json
@@ -13,7 +13,8 @@
   },
   "main": "./lib/index.js",
   "exports": {
-    ".": "./lib/index.js"
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   },
   "keywords": [
     "babel-plugin"
diff --git a/packages/babel-plugin-proposal-decorators/package.json b/packages/babel-plugin-proposal-decorators/package.json
index ae2ab752b092..6687c57e7164 100644
--- a/packages/babel-plugin-proposal-decorators/package.json
+++ b/packages/babel-plugin-proposal-decorators/package.json
@@ -36,5 +36,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-plugin-proposal-do-expressions/package.json b/packages/babel-plugin-proposal-do-expressions/package.json
index 49fc373f76d6..84a1c34820e5 100644
--- a/packages/babel-plugin-proposal-do-expressions/package.json
+++ b/packages/babel-plugin-proposal-do-expressions/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-dynamic-import/package.json b/packages/babel-plugin-proposal-dynamic-import/package.json
index 03594ee825ca..e5f8446ebee7 100644
--- a/packages/babel-plugin-proposal-dynamic-import/package.json
+++ b/packages/babel-plugin-proposal-dynamic-import/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-export-default-from/package.json b/packages/babel-plugin-proposal-export-default-from/package.json
index 6f3175193aba..720e7cc9508a 100644
--- a/packages/babel-plugin-proposal-export-default-from/package.json
+++ b/packages/babel-plugin-proposal-export-default-from/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-export-namespace-from/package.json b/packages/babel-plugin-proposal-export-namespace-from/package.json
index 7b21ad79c5d6..fa32402ae572 100644
--- a/packages/babel-plugin-proposal-export-namespace-from/package.json
+++ b/packages/babel-plugin-proposal-export-namespace-from/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-function-bind/package.json b/packages/babel-plugin-proposal-function-bind/package.json
index 6b1922b5d75f..fb223d4ca794 100644
--- a/packages/babel-plugin-proposal-function-bind/package.json
+++ b/packages/babel-plugin-proposal-function-bind/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-function-sent/package.json b/packages/babel-plugin-proposal-function-sent/package.json
index 2eb25f10dded..218fb6583611 100644
--- a/packages/babel-plugin-proposal-function-sent/package.json
+++ b/packages/babel-plugin-proposal-function-sent/package.json
@@ -31,5 +31,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-json-strings/package.json b/packages/babel-plugin-proposal-json-strings/package.json
index c22bb6f56335..d2b52f1e9292 100644
--- a/packages/babel-plugin-proposal-json-strings/package.json
+++ b/packages/babel-plugin-proposal-json-strings/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-logical-assignment-operators/package.json b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
index 8e64ea23ac75..fc13f161c022 100644
--- a/packages/babel-plugin-proposal-logical-assignment-operators/package.json
+++ b/packages/babel-plugin-proposal-logical-assignment-operators/package.json
@@ -32,5 +32,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
index 28f9e9bf63e0..27c53ce4eef4 100644
--- a/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
+++ b/packages/babel-plugin-proposal-nullish-coalescing-operator/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-numeric-separator/package.json b/packages/babel-plugin-proposal-numeric-separator/package.json
index 8aaed05adc87..509b248a5c0b 100644
--- a/packages/babel-plugin-proposal-numeric-separator/package.json
+++ b/packages/babel-plugin-proposal-numeric-separator/package.json
@@ -32,5 +32,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-object-rest-spread/package.json b/packages/babel-plugin-proposal-object-rest-spread/package.json
index 5f7fb6e280b9..6c29bae49c69 100644
--- a/packages/babel-plugin-proposal-object-rest-spread/package.json
+++ b/packages/babel-plugin-proposal-object-rest-spread/package.json
@@ -34,5 +34,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-optional-catch-binding/package.json b/packages/babel-plugin-proposal-optional-catch-binding/package.json
index 5a0bc35b88a4..5fdc676031be 100644
--- a/packages/babel-plugin-proposal-optional-catch-binding/package.json
+++ b/packages/babel-plugin-proposal-optional-catch-binding/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-optional-chaining/package.json b/packages/babel-plugin-proposal-optional-chaining/package.json
index 7125ad9243c3..008104a3b42d 100644
--- a/packages/babel-plugin-proposal-optional-chaining/package.json
+++ b/packages/babel-plugin-proposal-optional-chaining/package.json
@@ -33,5 +33,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-partial-application/package.json b/packages/babel-plugin-proposal-partial-application/package.json
index 3f18f3e5699c..a15654b9d2f0 100644
--- a/packages/babel-plugin-proposal-partial-application/package.json
+++ b/packages/babel-plugin-proposal-partial-application/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-pipeline-operator/package.json b/packages/babel-plugin-proposal-pipeline-operator/package.json
index ae370fba6c14..452a136a0efe 100644
--- a/packages/babel-plugin-proposal-pipeline-operator/package.json
+++ b/packages/babel-plugin-proposal-pipeline-operator/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-private-methods/package.json b/packages/babel-plugin-proposal-private-methods/package.json
index f6a13de834cb..a7071590e367 100644
--- a/packages/babel-plugin-proposal-private-methods/package.json
+++ b/packages/babel-plugin-proposal-private-methods/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-private-property-in-object/package.json b/packages/babel-plugin-proposal-private-property-in-object/package.json
index 45942c9602cf..5b08098cf830 100644
--- a/packages/babel-plugin-proposal-private-property-in-object/package.json
+++ b/packages/babel-plugin-proposal-private-property-in-object/package.json
@@ -32,5 +32,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-record-and-tuple/package.json b/packages/babel-plugin-proposal-record-and-tuple/package.json
index e95a6404ea54..314be606f72a 100644
--- a/packages/babel-plugin-proposal-record-and-tuple/package.json
+++ b/packages/babel-plugin-proposal-record-and-tuple/package.json
@@ -12,7 +12,10 @@
     "access": "public"
   },
   "main": "./lib/index.js",
-  "exports": "./lib/index.js",
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  },
   "keywords": [
     "babel-plugin"
   ],
diff --git a/packages/babel-plugin-proposal-throw-expressions/package.json b/packages/babel-plugin-proposal-throw-expressions/package.json
index bc044d4b18c8..05ee9aa7dd6a 100644
--- a/packages/babel-plugin-proposal-throw-expressions/package.json
+++ b/packages/babel-plugin-proposal-throw-expressions/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-proposal-unicode-property-regex/package.json b/packages/babel-plugin-proposal-unicode-property-regex/package.json
index 381e501e02a9..8f72f7a3349c 100644
--- a/packages/babel-plugin-proposal-unicode-property-regex/package.json
+++ b/packages/babel-plugin-proposal-unicode-property-regex/package.json
@@ -36,5 +36,17 @@
     "@babel/core": "workspace:^",
     "@babel/helper-plugin-test-runner": "workspace:^"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-async-do-expressions/package.json b/packages/babel-plugin-syntax-async-do-expressions/package.json
index aeb42f4bf5e6..501d873d545d 100644
--- a/packages/babel-plugin-syntax-async-do-expressions/package.json
+++ b/packages/babel-plugin-syntax-async-do-expressions/package.json
@@ -13,7 +13,8 @@
   },
   "main": "./lib/index.js",
   "exports": {
-    ".": "./lib/index.js"
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   },
   "keywords": [
     "babel-plugin"
diff --git a/packages/babel-plugin-syntax-decimal/package.json b/packages/babel-plugin-syntax-decimal/package.json
index aa28b9a7dbd9..d41b1841665b 100644
--- a/packages/babel-plugin-syntax-decimal/package.json
+++ b/packages/babel-plugin-syntax-decimal/package.json
@@ -13,7 +13,8 @@
   },
   "main": "./lib/index.js",
   "exports": {
-    ".": "./lib/index.js"
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   },
   "keywords": [
     "babel-plugin"
diff --git a/packages/babel-plugin-syntax-decorators/package.json b/packages/babel-plugin-syntax-decorators/package.json
index 1dfdfe1eeae5..a4ec9daa5a35 100644
--- a/packages/babel-plugin-syntax-decorators/package.json
+++ b/packages/babel-plugin-syntax-decorators/package.json
@@ -28,5 +28,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-do-expressions/package.json b/packages/babel-plugin-syntax-do-expressions/package.json
index face0a8cd33f..a3f8586d6488 100644
--- a/packages/babel-plugin-syntax-do-expressions/package.json
+++ b/packages/babel-plugin-syntax-do-expressions/package.json
@@ -28,5 +28,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-export-default-from/package.json b/packages/babel-plugin-syntax-export-default-from/package.json
index 57171d090d16..fd97aef26b10 100644
--- a/packages/babel-plugin-syntax-export-default-from/package.json
+++ b/packages/babel-plugin-syntax-export-default-from/package.json
@@ -28,5 +28,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-flow/package.json b/packages/babel-plugin-syntax-flow/package.json
index 705884a6a709..131fa8a5f0cb 100644
--- a/packages/babel-plugin-syntax-flow/package.json
+++ b/packages/babel-plugin-syntax-flow/package.json
@@ -28,5 +28,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-function-bind/package.json b/packages/babel-plugin-syntax-function-bind/package.json
index 5574f90d2073..1f60ad7e3c76 100644
--- a/packages/babel-plugin-syntax-function-bind/package.json
+++ b/packages/babel-plugin-syntax-function-bind/package.json
@@ -28,5 +28,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-function-sent/package.json b/packages/babel-plugin-syntax-function-sent/package.json
index 60c51febd5f8..26c16e21e82f 100644
--- a/packages/babel-plugin-syntax-function-sent/package.json
+++ b/packages/babel-plugin-syntax-function-sent/package.json
@@ -28,5 +28,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-import-assertions/package.json b/packages/babel-plugin-syntax-import-assertions/package.json
index a748e6bfc6fb..32e6b3f361b7 100644
--- a/packages/babel-plugin-syntax-import-assertions/package.json
+++ b/packages/babel-plugin-syntax-import-assertions/package.json
@@ -27,5 +27,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-jsx/package.json b/packages/babel-plugin-syntax-jsx/package.json
index 505a533aba5c..8c08f46e80b0 100644
--- a/packages/babel-plugin-syntax-jsx/package.json
+++ b/packages/babel-plugin-syntax-jsx/package.json
@@ -28,5 +28,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-module-blocks/package.json b/packages/babel-plugin-syntax-module-blocks/package.json
index 2d6da90eb0ab..fea505cf9fb3 100644
--- a/packages/babel-plugin-syntax-module-blocks/package.json
+++ b/packages/babel-plugin-syntax-module-blocks/package.json
@@ -13,7 +13,8 @@
   },
   "main": "./lib/index.js",
   "exports": {
-    ".": "./lib/index.js"
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   },
   "keywords": [
     "babel-plugin"
diff --git a/packages/babel-plugin-syntax-partial-application/package.json b/packages/babel-plugin-syntax-partial-application/package.json
index 2db0aefb94dd..97913e200bb7 100644
--- a/packages/babel-plugin-syntax-partial-application/package.json
+++ b/packages/babel-plugin-syntax-partial-application/package.json
@@ -28,5 +28,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-pipeline-operator/package.json b/packages/babel-plugin-syntax-pipeline-operator/package.json
index 3a01f5cbbd2c..fdef8d2ff50c 100644
--- a/packages/babel-plugin-syntax-pipeline-operator/package.json
+++ b/packages/babel-plugin-syntax-pipeline-operator/package.json
@@ -28,5 +28,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-record-and-tuple/package.json b/packages/babel-plugin-syntax-record-and-tuple/package.json
index b04c96917ac8..8c0b3a05b572 100644
--- a/packages/babel-plugin-syntax-record-and-tuple/package.json
+++ b/packages/babel-plugin-syntax-record-and-tuple/package.json
@@ -27,5 +27,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-throw-expressions/package.json b/packages/babel-plugin-syntax-throw-expressions/package.json
index 72f16470ce32..0b162a1747c6 100644
--- a/packages/babel-plugin-syntax-throw-expressions/package.json
+++ b/packages/babel-plugin-syntax-throw-expressions/package.json
@@ -28,5 +28,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-syntax-typescript/package.json b/packages/babel-plugin-syntax-typescript/package.json
index af3bcd7561e7..fce8f4de1e16 100644
--- a/packages/babel-plugin-syntax-typescript/package.json
+++ b/packages/babel-plugin-syntax-typescript/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-arrow-functions/package.json b/packages/babel-plugin-transform-arrow-functions/package.json
index 9dfc9e84aff4..e0032d8b1901 100644
--- a/packages/babel-plugin-transform-arrow-functions/package.json
+++ b/packages/babel-plugin-transform-arrow-functions/package.json
@@ -31,5 +31,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-async-to-generator/package.json b/packages/babel-plugin-transform-async-to-generator/package.json
index 7872e5158e32..370837c64c17 100644
--- a/packages/babel-plugin-transform-async-to-generator/package.json
+++ b/packages/babel-plugin-transform-async-to-generator/package.json
@@ -31,5 +31,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-block-scoped-functions/package.json b/packages/babel-plugin-transform-block-scoped-functions/package.json
index eec289f0cd46..86d2b3139ab6 100644
--- a/packages/babel-plugin-transform-block-scoped-functions/package.json
+++ b/packages/babel-plugin-transform-block-scoped-functions/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-block-scoping/package.json b/packages/babel-plugin-transform-block-scoping/package.json
index e920a2c3d2d7..6710746c7ac9 100644
--- a/packages/babel-plugin-transform-block-scoping/package.json
+++ b/packages/babel-plugin-transform-block-scoping/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-classes/package.json b/packages/babel-plugin-transform-classes/package.json
index e14e1139a117..f77c244f0afe 100644
--- a/packages/babel-plugin-transform-classes/package.json
+++ b/packages/babel-plugin-transform-classes/package.json
@@ -37,5 +37,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-computed-properties/package.json b/packages/babel-plugin-transform-computed-properties/package.json
index e9e34cc49640..e1274237b831 100644
--- a/packages/babel-plugin-transform-computed-properties/package.json
+++ b/packages/babel-plugin-transform-computed-properties/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-destructuring/package.json b/packages/babel-plugin-transform-destructuring/package.json
index 398b5a05cf28..1735eaedc60d 100644
--- a/packages/babel-plugin-transform-destructuring/package.json
+++ b/packages/babel-plugin-transform-destructuring/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-dotall-regex/package.json b/packages/babel-plugin-transform-dotall-regex/package.json
index c337991864f4..f0b2c7586ab7 100644
--- a/packages/babel-plugin-transform-dotall-regex/package.json
+++ b/packages/babel-plugin-transform-dotall-regex/package.json
@@ -35,5 +35,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-duplicate-keys/package.json b/packages/babel-plugin-transform-duplicate-keys/package.json
index 5706fcb87f1d..c22ead4eb170 100644
--- a/packages/babel-plugin-transform-duplicate-keys/package.json
+++ b/packages/babel-plugin-transform-duplicate-keys/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-exponentiation-operator/package.json b/packages/babel-plugin-transform-exponentiation-operator/package.json
index f9628dc0ee69..c56db1ffbdae 100644
--- a/packages/babel-plugin-transform-exponentiation-operator/package.json
+++ b/packages/babel-plugin-transform-exponentiation-operator/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-flow-comments/package.json b/packages/babel-plugin-transform-flow-comments/package.json
index 023a16bda759..94ea0840ed7c 100644
--- a/packages/babel-plugin-transform-flow-comments/package.json
+++ b/packages/babel-plugin-transform-flow-comments/package.json
@@ -31,5 +31,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-flow-strip-types/package.json b/packages/babel-plugin-transform-flow-strip-types/package.json
index edd34532d178..4a9a2f1041a1 100644
--- a/packages/babel-plugin-transform-flow-strip-types/package.json
+++ b/packages/babel-plugin-transform-flow-strip-types/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-for-of/package.json b/packages/babel-plugin-transform-for-of/package.json
index bab8627d0e86..db9b9eab416e 100644
--- a/packages/babel-plugin-transform-for-of/package.json
+++ b/packages/babel-plugin-transform-for-of/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-function-name/package.json b/packages/babel-plugin-transform-function-name/package.json
index 00bdd2497c55..3d865e5f6231 100644
--- a/packages/babel-plugin-transform-function-name/package.json
+++ b/packages/babel-plugin-transform-function-name/package.json
@@ -31,5 +31,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-instanceof/package.json b/packages/babel-plugin-transform-instanceof/package.json
index f2a29d7e586e..a41a973bfcbb 100644
--- a/packages/babel-plugin-transform-instanceof/package.json
+++ b/packages/babel-plugin-transform-instanceof/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-jscript/package.json b/packages/babel-plugin-transform-jscript/package.json
index c955a0dde89b..e67ed78bdd9d 100644
--- a/packages/babel-plugin-transform-jscript/package.json
+++ b/packages/babel-plugin-transform-jscript/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-literals/package.json b/packages/babel-plugin-transform-literals/package.json
index 4c19d9912730..1c5dac912850 100644
--- a/packages/babel-plugin-transform-literals/package.json
+++ b/packages/babel-plugin-transform-literals/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-member-expression-literals/package.json b/packages/babel-plugin-transform-member-expression-literals/package.json
index 0cffa5047189..9fbcc04584bc 100644
--- a/packages/babel-plugin-transform-member-expression-literals/package.json
+++ b/packages/babel-plugin-transform-member-expression-literals/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-modules-amd/package.json b/packages/babel-plugin-transform-modules-amd/package.json
index c57202ecc3e6..9f78394cf3b8 100644
--- a/packages/babel-plugin-transform-modules-amd/package.json
+++ b/packages/babel-plugin-transform-modules-amd/package.json
@@ -32,5 +32,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-modules-commonjs/package.json b/packages/babel-plugin-transform-modules-commonjs/package.json
index 217282b0a054..7bc89e958f30 100644
--- a/packages/babel-plugin-transform-modules-commonjs/package.json
+++ b/packages/babel-plugin-transform-modules-commonjs/package.json
@@ -35,5 +35,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-modules-systemjs/package.json b/packages/babel-plugin-transform-modules-systemjs/package.json
index 612e8488c5eb..eb52a06acaef 100644
--- a/packages/babel-plugin-transform-modules-systemjs/package.json
+++ b/packages/babel-plugin-transform-modules-systemjs/package.json
@@ -34,5 +34,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-modules-umd/package.json b/packages/babel-plugin-transform-modules-umd/package.json
index 999fd0943575..fe89d62fe748 100644
--- a/packages/babel-plugin-transform-modules-umd/package.json
+++ b/packages/babel-plugin-transform-modules-umd/package.json
@@ -31,5 +31,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
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 cbfb14a8c712..0dd3e24a2206 100644
--- a/packages/babel-plugin-transform-named-capturing-groups-regex/package.json
+++ b/packages/babel-plugin-transform-named-capturing-groups-regex/package.json
@@ -34,5 +34,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-new-target/package.json b/packages/babel-plugin-transform-new-target/package.json
index 632da75d34d8..4791202f572c 100644
--- a/packages/babel-plugin-transform-new-target/package.json
+++ b/packages/babel-plugin-transform-new-target/package.json
@@ -31,5 +31,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-object-assign/package.json b/packages/babel-plugin-transform-object-assign/package.json
index 93eb67757bbb..6e659ed81c02 100644
--- a/packages/babel-plugin-transform-object-assign/package.json
+++ b/packages/babel-plugin-transform-object-assign/package.json
@@ -28,5 +28,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
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 04eebd1b45d7..a0de01293496 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
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-object-super/package.json b/packages/babel-plugin-transform-object-super/package.json
index a9714ed6c2a5..b98d4b54d5ed 100644
--- a/packages/babel-plugin-transform-object-super/package.json
+++ b/packages/babel-plugin-transform-object-super/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-parameters/package.json b/packages/babel-plugin-transform-parameters/package.json
index c666b18994a2..8fa6534ac6a4 100644
--- a/packages/babel-plugin-transform-parameters/package.json
+++ b/packages/babel-plugin-transform-parameters/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-property-literals/package.json b/packages/babel-plugin-transform-property-literals/package.json
index 3e99be0d9623..0480e0788104 100644
--- a/packages/babel-plugin-transform-property-literals/package.json
+++ b/packages/babel-plugin-transform-property-literals/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-property-mutators/package.json b/packages/babel-plugin-transform-property-mutators/package.json
index aca71c43efc9..03ead416f9c3 100644
--- a/packages/babel-plugin-transform-property-mutators/package.json
+++ b/packages/babel-plugin-transform-property-mutators/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-proto-to-assign/package.json b/packages/babel-plugin-transform-proto-to-assign/package.json
index 613b661864d8..a95d70c8c1cf 100644
--- a/packages/babel-plugin-transform-proto-to-assign/package.json
+++ b/packages/babel-plugin-transform-proto-to-assign/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-react-constant-elements/package.json b/packages/babel-plugin-transform-react-constant-elements/package.json
index e3284c420242..354a3befebba 100644
--- a/packages/babel-plugin-transform-react-constant-elements/package.json
+++ b/packages/babel-plugin-transform-react-constant-elements/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-react-display-name/package.json b/packages/babel-plugin-transform-react-display-name/package.json
index 77df0b85a8d5..1d69a048e384 100644
--- a/packages/babel-plugin-transform-react-display-name/package.json
+++ b/packages/babel-plugin-transform-react-display-name/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-react-inline-elements/package.json b/packages/babel-plugin-transform-react-inline-elements/package.json
index 7a46f3ff7340..97856d7872ee 100644
--- a/packages/babel-plugin-transform-react-inline-elements/package.json
+++ b/packages/babel-plugin-transform-react-inline-elements/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-compat/package.json b/packages/babel-plugin-transform-react-jsx-compat/package.json
index 9ca55aca5387..0bff13f19877 100644
--- a/packages/babel-plugin-transform-react-jsx-compat/package.json
+++ b/packages/babel-plugin-transform-react-jsx-compat/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-development/package.json b/packages/babel-plugin-transform-react-jsx-development/package.json
index 42f739e782f2..51208910766b 100644
--- a/packages/babel-plugin-transform-react-jsx-development/package.json
+++ b/packages/babel-plugin-transform-react-jsx-development/package.json
@@ -28,5 +28,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-self/package.json b/packages/babel-plugin-transform-react-jsx-self/package.json
index e3d7680232e8..94777f19c435 100644
--- a/packages/babel-plugin-transform-react-jsx-self/package.json
+++ b/packages/babel-plugin-transform-react-jsx-self/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-react-jsx-source/package.json b/packages/babel-plugin-transform-react-jsx-source/package.json
index 1f82b4a3f270..978eb52aeaa1 100644
--- a/packages/babel-plugin-transform-react-jsx-source/package.json
+++ b/packages/babel-plugin-transform-react-jsx-source/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-react-jsx/package.json b/packages/babel-plugin-transform-react-jsx/package.json
index dafccbdd8a31..fee1e7577388 100644
--- a/packages/babel-plugin-transform-react-jsx/package.json
+++ b/packages/babel-plugin-transform-react-jsx/package.json
@@ -34,5 +34,18 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./lib/development": "./lib/development.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-react-pure-annotations/package.json b/packages/babel-plugin-transform-react-pure-annotations/package.json
index 03870198147c..e9713f1e29e3 100644
--- a/packages/babel-plugin-transform-react-pure-annotations/package.json
+++ b/packages/babel-plugin-transform-react-pure-annotations/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-regenerator/package.json b/packages/babel-plugin-transform-regenerator/package.json
index d8223b12c289..f44cdf697e92 100644
--- a/packages/babel-plugin-transform-regenerator/package.json
+++ b/packages/babel-plugin-transform-regenerator/package.json
@@ -26,5 +26,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-plugin-transform-reserved-words/package.json b/packages/babel-plugin-transform-reserved-words/package.json
index 53a6dcee9e53..211f24860d5c 100644
--- a/packages/babel-plugin-transform-reserved-words/package.json
+++ b/packages/babel-plugin-transform-reserved-words/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-runtime/package.json b/packages/babel-plugin-transform-runtime/package.json
index b262b199cfd0..228c7b139d3d 100644
--- a/packages/babel-plugin-transform-runtime/package.json
+++ b/packages/babel-plugin-transform-runtime/package.json
@@ -46,5 +46,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-shorthand-properties/package.json b/packages/babel-plugin-transform-shorthand-properties/package.json
index f015309b8b86..decbbee440fe 100644
--- a/packages/babel-plugin-transform-shorthand-properties/package.json
+++ b/packages/babel-plugin-transform-shorthand-properties/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-spread/package.json b/packages/babel-plugin-transform-spread/package.json
index b874d5e5158d..36011a4c3986 100644
--- a/packages/babel-plugin-transform-spread/package.json
+++ b/packages/babel-plugin-transform-spread/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-sticky-regex/package.json b/packages/babel-plugin-transform-sticky-regex/package.json
index d611610500db..952ccac8b52e 100644
--- a/packages/babel-plugin-transform-sticky-regex/package.json
+++ b/packages/babel-plugin-transform-sticky-regex/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-strict-mode/package.json b/packages/babel-plugin-transform-strict-mode/package.json
index fdfb02d0c1ba..5a0c54bd6855 100644
--- a/packages/babel-plugin-transform-strict-mode/package.json
+++ b/packages/babel-plugin-transform-strict-mode/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-template-literals/package.json b/packages/babel-plugin-transform-template-literals/package.json
index 84ebcc64ae8e..ab33809642a0 100644
--- a/packages/babel-plugin-transform-template-literals/package.json
+++ b/packages/babel-plugin-transform-template-literals/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-typeof-symbol/package.json b/packages/babel-plugin-transform-typeof-symbol/package.json
index 2085aa888bff..369f36d4fdb4 100644
--- a/packages/babel-plugin-transform-typeof-symbol/package.json
+++ b/packages/babel-plugin-transform-typeof-symbol/package.json
@@ -32,5 +32,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-typescript/package.json b/packages/babel-plugin-transform-typescript/package.json
index 6293411eecef..dae322916d74 100644
--- a/packages/babel-plugin-transform-typescript/package.json
+++ b/packages/babel-plugin-transform-typescript/package.json
@@ -34,5 +34,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-unicode-escapes/package.json b/packages/babel-plugin-transform-unicode-escapes/package.json
index bbb0f91d1a53..5e8cfd387a56 100644
--- a/packages/babel-plugin-transform-unicode-escapes/package.json
+++ b/packages/babel-plugin-transform-unicode-escapes/package.json
@@ -29,5 +29,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-plugin-transform-unicode-regex/package.json b/packages/babel-plugin-transform-unicode-regex/package.json
index f217df15604e..3d0ddb4533b6 100644
--- a/packages/babel-plugin-transform-unicode-regex/package.json
+++ b/packages/babel-plugin-transform-unicode-regex/package.json
@@ -30,5 +30,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-preset-env/package.json b/packages/babel-preset-env/package.json
index 82bad5a8a0e7..18d8f1f05baa 100644
--- a/packages/babel-preset-env/package.json
+++ b/packages/babel-preset-env/package.json
@@ -102,5 +102,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-preset-flow/package.json b/packages/babel-preset-flow/package.json
index 2f42d6b82a8f..c7294971cd12 100644
--- a/packages/babel-preset-flow/package.json
+++ b/packages/babel-preset-flow/package.json
@@ -35,5 +35,17 @@
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   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-preset-react/package.json b/packages/babel-preset-react/package.json
index f129462bd47b..8875d15a8d3d 100644
--- a/packages/babel-preset-react/package.json
+++ b/packages/babel-preset-react/package.json
@@ -32,5 +32,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-preset-typescript/package.json b/packages/babel-preset-typescript/package.json
index cebd8847f6b3..cc3051abf08c 100644
--- a/packages/babel-preset-typescript/package.json
+++ b/packages/babel-preset-typescript/package.json
@@ -33,5 +33,17 @@
   "engines": {
     "node": ">=6.9.0"
   },
-  "author": "The Babel Team (https://babel.dev/team)"
+  "author": "The Babel Team (https://babel.dev/team)",
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
+  }
 }
diff --git a/packages/babel-register/package.json b/packages/babel-register/package.json
index d1c4b57ba7c6..eff87e7ee09c 100644
--- a/packages/babel-register/package.json
+++ b/packages/babel-register/package.json
@@ -35,5 +35,17 @@
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   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-standalone/package.json b/packages/babel-standalone/package.json
index 7948264b1621..8d552a63c822 100644
--- a/packages/babel-standalone/package.json
+++ b/packages/babel-standalone/package.json
@@ -131,5 +131,19 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./babel.js",
+    "./babel.js": "./babel.js",
+    "./babel.min.js": "./babel.min.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-template/package.json b/packages/babel-template/package.json
index 9cea19c6f70b..ba22d5568e79 100644
--- a/packages/babel-template/package.json
+++ b/packages/babel-template/package.json
@@ -22,5 +22,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-traverse/package.json b/packages/babel-traverse/package.json
index 534c25cdf96f..aa6de60f835c 100644
--- a/packages/babel-traverse/package.json
+++ b/packages/babel-traverse/package.json
@@ -32,5 +32,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }
diff --git a/packages/babel-traverse/scripts/generators/validators.js b/packages/babel-traverse/scripts/generators/validators.js
index a3ec31a3ebb8..f806fc76c724 100644
--- a/packages/babel-traverse/scripts/generators/validators.js
+++ b/packages/babel-traverse/scripts/generators/validators.js
@@ -1,6 +1,5 @@
 import t from "@babel/types";
 import virtualTypes from "../../lib/path/lib/virtual-types.js";
-import definitions from "@babel/types/lib/definitions/index.js";
 
 export default function generateValidators() {
   let output = `/*
@@ -21,7 +20,7 @@ export interface NodePathValidators {
   for (const type of Object.keys(virtualTypes)) {
     const { types } = virtualTypes[type];
     if (type[0] === "_") continue;
-    if (definitions.NODE_FIELDS[type] || definitions.FLIPPED_ALIAS_KEYS[type]) {
+    if (t.NODE_FIELDS[type] || t.FLIPPED_ALIAS_KEYS[type]) {
       output += `is${type}(opts?: object): this is NodePath<t.${type}>;`;
     } else if (types /* in VirtualTypeAliases */) {
       output += `is${type}(opts?: object): this is NodePath<VirtualTypeAliases["${type}"]>;`;
diff --git a/packages/babel-types/package.json b/packages/babel-types/package.json
index bf1bf7e99388..ec86350d42b0 100644
--- a/packages/babel-types/package.json
+++ b/packages/babel-types/package.json
@@ -35,5 +35,17 @@
   },
   "engines": {
     "node": ">=6.9.0"
+  },
+  "conditions": {
+    "BABEL_8_BREAKING": [
+      null,
+      {
+        "exports": null
+      }
+    ]
+  },
+  "exports": {
+    ".": "./lib/index.js",
+    "./package.json": "./package.json"
   }
 }