fix: add Jest/jsdom compatibility

Jest runs browser tests in a jsdom environment which now also supports web crypto polyfills. Since ESM support in Jest is currently still limited, it requires a commonJS build for browser environments, see the discussion in #616 for all the details. Co-authored-by: Christoph Tavan <dev@tavan.de>
uuidjs · Jul 29, 2022 · cf58531 · cf58531
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diff --git a/babel.config.json b/babel.config.json
@@ -2,14 +2,17 @@
   "presets": [],
   "plugins": [],
   "env": {
-    "commonjs": {
+    "commonjsNode": {
       "presets": [["@babel/preset-env", { "targets": { "node": "10" }, "modules": "commonjs" }]]
     },
-    "esmBrowser": {
-      "presets": [["@babel/preset-env", { "modules": false }]]
-    },
     "esmNode": {
       "presets": [["@babel/preset-env", { "targets": { "node": "10" }, "modules": false }]]
+    },
+    "commonjsBrowser": {
+      "presets": [["@babel/preset-env", { "modules": "commonjs" }]]
+    },
+    "esmBrowser": {
+      "presets": [["@babel/preset-env", { "modules": false }]]
     }
   }
 }
diff --git a/examples/browser-webpack/example-all-require.html b/examples/browser-webpack/example-all-require.html
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>UUID esmodule webpack example</title>
+  </head>
+  <body>
+    <script type="text/javascript" src="./dist/allRequire.js"></script>
+  </body>
+</html>
diff --git a/examples/browser-webpack/example-all-require.js b/examples/browser-webpack/example-all-require.js
@@ -0,0 +1,74 @@
+const uuid = require('uuid');
+const {
+  NIL: NIL_UUID,
+  parse: uuidParse,
+  stringify: uuidStringify,
+  v1: uuidv1,
+  v3: uuidv3,
+  v4: uuidv4,
+  v5: uuidv5,
+  validate: uuidValidate,
+  version: uuidVersion,
+} = uuid;
+
+const { default: testpage } = require('../utils/testpage');
+
+testpage(function (addTest, done) {
+  addTest('Named exports');
+
+  addTest('uuidv1()', uuidv1());
+
+  addTest('uuidv4()', uuidv4());
+
+  // ... using predefined DNS namespace (for domain names)
+  addTest('uuidv3() DNS', uuidv3('hello.example.com', uuidv3.DNS));
+
+  // ... using predefined URL namespace (for, well, URLs)
+  addTest('uuidv3() URL', uuidv3('http://example.com/hello', uuidv3.URL));
+
+  // ... using a custom namespace
+  //
+  // Note: Custom namespaces should be a UUID string specific to your application!
+  // E.g. the one here was generated using this modules `uuid` CLI.
+  const MY_NAMESPACE = '55238d15-c926-4598-b49d-cf4e913ba13c';
+  addTest('uuidv3() MY_NAMESPACE', uuidv3('Hello, World!', MY_NAMESPACE));
+
+  // ... using predefined DNS namespace (for domain names)
+  addTest('uuidv5() DNS', uuidv5('hello.example.com', uuidv5.DNS));
+
+  // ... using predefined URL namespace (for, well, URLs)
+  addTest('uuidv5() URL', uuidv5('http://example.com/hello', uuidv5.URL));
+
+  // ... using a custom namespace
+  //
+  // Note: Custom namespaces should be a UUID string specific to your application!
+  // E.g. the one here was generated using this modules `uuid` CLI.
+  // const MY_NAMESPACE = '1b671a64-40d5-491e-99b0-da01ff1f3341';
+  addTest('uuidv5() MY_NAMESPACE', uuidv5('Hello, World!', MY_NAMESPACE));
+
+  // Utility functions
+  addTest('NIL_UUID', NIL_UUID);
+  addTest('uuidParse()', uuidParse(MY_NAMESPACE));
+  addTest('uuidStringify()', uuidStringify(uuidParse(MY_NAMESPACE)));
+  addTest('uuidValidate()', uuidValidate(MY_NAMESPACE));
+  addTest('uuidVersion()', uuidVersion(MY_NAMESPACE));
+
+  addTest('Default export');
+
+  addTest('uuid.v1()', uuid.v1());
+  addTest('uuid.v4()', uuid.v4());
+  addTest('uuid.v3() DNS', uuid.v3('hello.example.com', uuid.v3.DNS));
+  addTest('uuid.v3() URL', uuid.v3('http://example.com/hello', uuid.v3.URL));
+  addTest('uuid.v3() MY_NAMESPACE', uuid.v3('Hello, World!', MY_NAMESPACE));
+  addTest('uuid.v5() DNS', uuid.v5('hello.example.com', uuid.v5.DNS));
+  addTest('uuid.v5() URL', uuid.v5('http://example.com/hello', uuid.v5.URL));
+  addTest('uuid.v5() MY_NAMESPACE', uuid.v5('Hello, World!', MY_NAMESPACE));
+
+  addTest('uuid.NIL', uuid.NIL);
+  addTest('uuid.parse()', uuid.parse(MY_NAMESPACE));
+  addTest('uuid.stringify()', uuid.stringify(uuid.parse(MY_NAMESPACE)));
+  addTest('uuid.validate()', uuid.validate(MY_NAMESPACE));
+  addTest('uuid.version()', uuid.version(MY_NAMESPACE));
+
+  done();
+});
diff --git a/examples/browser-webpack/webpack.config.js b/examples/browser-webpack/webpack.config.js
@@ -4,6 +4,7 @@ module.exports = {
   },
   entry: {
     all: './example-all.js',
+    allRequire: './example-all-require.js',
     v1: './example-v1.js',
     v4: './example-v4.js',
 

diff --git a/examples/node-commonjs/package-lock.json b/examples/node-commonjs/package-lock.json
diff --git a/examples/node-esmodules/package-lock.json b/examples/node-esmodules/package-lock.json
diff --git a/examples/node-jest/README.md b/examples/node-jest/README.md
@@ -0,0 +1,6 @@
+# uuid example Node.js Jest
+
+```
+npm install
+npm test
+```
diff --git a/examples/node-jest/jsdom.test.js b/examples/node-jest/jsdom.test.js
@@ -0,0 +1,8 @@
+/** @jest-environment jsdom */
+
+const uuid = require('uuid');
+
+test('uuidv4()', () => {
+  const val = uuid.v4();
+  expect(uuid.version(val)).toBe(4);
+});
diff --git a/examples/node-jest/node.test.js b/examples/node-jest/node.test.js
@@ -0,0 +1,6 @@
+const uuid = require('uuid');
+
+test('uuidv4()', () => {
+  const val = uuid.v4();
+  expect(uuid.version(val)).toBe(4);
+});