From 3bc02eee4612a5245a675e656340e21813a7be4c Mon Sep 17 00:00:00 2001
From: Tomasz Pluskiewicz <tpluscode@users.noreply.github.com>
Date: Tue, 7 Jan 2025 21:56:52 +0100
Subject: [PATCH] fix: ability to register more plugins inside a plugin (#1639)

Introduces the ability to chain `use` calls and use the `use` function within a `use` callback
---
 lib/chai.js     |  1 +
 test/plugins.js | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/lib/chai.js b/lib/chai.js
index 507d9c76..734e3725 100644
--- a/lib/chai.js
+++ b/lib/chai.js
@@ -29,6 +29,7 @@ export {AssertionError};
  */
 export function use(fn) {
   const exports = {
+    use,
     AssertionError,
     util,
     config,
diff --git a/test/plugins.js b/test/plugins.js
index 4db1f44d..c9c013cc 100644
--- a/test/plugins.js
+++ b/test/plugins.js
@@ -24,6 +24,27 @@ describe('plugins', function () {
     }).to.not.throw();
   });
 
+  it('nested plugin', function () {
+    chai.use(function (chai) {
+      chai.use(plugin);
+    });
+    var expect = chai.expect;
+    expect(expect('').testing).to.equal('successful');
+  });
+
+  it('chained plugin', function () {
+    chai.use(function (chaiObj) {
+      Object.defineProperty(chaiObj.Assertion.prototype, 'testing2', {
+        get() {
+          return 'bleep bloop';
+        }
+      });
+    }).use(plugin);
+    var expect = chai.expect;
+    expect(expect('').testing).to.equal('successful');
+    expect(expect('').testing2).to.equal('bleep bloop');
+  });
+
   it('.use detached from chai object', function () {
     function anotherPlugin (chai) {
       Object.defineProperty(chai.Assertion.prototype, 'moreTesting', {