From ab3dec6065c91d2b60413659aa3017efe50a93b3 Mon Sep 17 00:00:00 2001
From: Christoph Tavan <dev@tavan.de>
Date: Tue, 12 May 2020 11:29:56 +0200
Subject: [PATCH] fix: export package.json required by react-native and
 bundlers

It appears that react-native and some bundlers rely on being able to
introspect the package.json file of a npm module. After adding the
`exports` field to package.json, only the paths defined in that field
are accessible to Node.js. In order to support introspection of the
package.json file itself it has to be listed as an export as well.

See also:
https://github.com/ai/nanoevents/issues/44#issuecomment-602010343

Fixes #444
---
 examples/node-commonjs/example.js    | 4 ++++
 examples/node-esmodules/example.mjs  | 4 ++++
 examples/node-esmodules/package.json | 2 +-
 package.json                         | 7 +++++--
 scripts/testpack.sh                  | 2 +-
 5 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/examples/node-commonjs/example.js b/examples/node-commonjs/example.js
index 6d6fd81a..909042af 100644
--- a/examples/node-commonjs/example.js
+++ b/examples/node-commonjs/example.js
@@ -45,3 +45,7 @@ console.log('uuid.v3() MY_NAMESPACE', uuid.v3('Hello, World!', MY_NAMESPACE));
 console.log('uuid.v5() DNS', uuid.v5('hello.example.com', uuid.v5.DNS));
 console.log('uuid.v5() URL', uuid.v5('http://example.com/hello', uuid.v5.URL));
 console.log('uuid.v5() MY_NAMESPACE', uuid.v5('Hello, World!', MY_NAMESPACE));
+
+// Some tools like react-native need to introspect the package.json file
+const pkg = require('uuid/package.json');
+console.log('pkg.name', pkg.name);
diff --git a/examples/node-esmodules/example.mjs b/examples/node-esmodules/example.mjs
index d63b6974..38221716 100644
--- a/examples/node-esmodules/example.mjs
+++ b/examples/node-esmodules/example.mjs
@@ -1,5 +1,6 @@
 import { v1 as uuidv1, v4 as uuidv4, v3 as uuidv3, v5 as uuidv5 } from 'uuid';
 import * as uuid from 'uuid';
+import pkg from 'uuid/package.json';
 
 console.log('uuidv1()', uuidv1());
 
@@ -41,3 +42,6 @@ console.log('uuid.v3() MY_NAMESPACE', uuid.v3('Hello, World!', MY_NAMESPACE));
 console.log('uuid.v5() DNS', uuid.v5('hello.example.com', uuid.v5.DNS));
 console.log('uuid.v5() URL', uuid.v5('http://example.com/hello', uuid.v5.URL));
 console.log('uuid.v5() MY_NAMESPACE', uuid.v5('Hello, World!', MY_NAMESPACE));
+
+// Some tools like react-native need to introspect the package.json file
+console.log('pkg.name', pkg.name);
diff --git a/examples/node-esmodules/package.json b/examples/node-esmodules/package.json
index 8afddfed..48dc7a2d 100644
--- a/examples/node-esmodules/package.json
+++ b/examples/node-esmodules/package.json
@@ -3,7 +3,7 @@
   "version": "0.0.0",
   "private": true,
   "scripts": {
-    "test": "node --experimental-modules example.mjs"
+    "test": "node --experimental-modules --experimental-json-modules example.mjs"
   },
   "dependencies": {
     "uuid": "file:../../.local"
diff --git a/package.json b/package.json
index 327db1a2..6a61806e 100644
--- a/package.json
+++ b/package.json
@@ -19,8 +19,11 @@
   "sideEffects": false,
   "main": "./dist/index.js",
   "exports": {
-    "require": "./dist/index.js",
-    "import": "./wrapper.mjs"
+    "./package.json": "./package.json",
+    ".": {
+      "require": "./dist/index.js",
+      "import": "./wrapper.mjs"
+    }
   },
   "module": "./dist/esm-node/index.js",
   "browser": {
diff --git a/scripts/testpack.sh b/scripts/testpack.sh
index 141ec2c9..0fdafaf5 100755
--- a/scripts/testpack.sh
+++ b/scripts/testpack.sh
@@ -18,4 +18,4 @@ npm init -y
 npm install ../uuid/uuid-*.tgz
 
 node commonjs.js
-node esmodules.mjs
+node --experimental-json-modules esmodules.mjs