assert: add partialDeepEqual to strict mode

The `partialDeepStrictEqual` method was not re-exported as
`partialDeepEqual` in strict assertion mode, unlike other
methods such as `deepEqual` and `equal`.

Add the alias so that strict mode users can call
`assert.partialDeepEqual()` consistently with the existing
naming convention.

Fixes: #62327

Author: semimikoh

lib/assert.js

@@ -128,6 +128,7 @@ function Assert(options) {
     this.deepEqual = this.deepStrictEqual;
     this.notEqual = this.notStrictEqual;
     this.notDeepEqual = this.notDeepStrictEqual;
+    this.partialDeepEqual = this.partialDeepStrictEqual;
   }
 }
 
@@ -896,6 +897,7 @@ assert.strict = ObjectAssign(strict, assert, {
   deepEqual: assert.deepStrictEqual,
   notEqual: assert.notStrictEqual,
   notDeepEqual: assert.notDeepStrictEqual,
+  partialDeepEqual: assert.partialDeepStrictEqual,
 });
 
 assert.strict.Assert = Assert;

test/parallel/test-assert-class.js

@@ -148,6 +148,10 @@ test('Assert class strict', () => {
     assertInstance.notDeepEqual,
     assertInstance.notDeepStrictEqual
   );
+  assertInstance.equal(
+    assertInstance.partialDeepEqual,
+    assertInstance.partialDeepStrictEqual
+  );
 });
 
 test('Assert class with invalid diff option', () => {

test/parallel/test-assert.js

@@ -1596,6 +1596,13 @@ test('assert/strict exists', () => {
   assert.strictEqual(require('assert/strict'), assert.strict);
 });
 
+test('assert.strict.partialDeepEqual is an alias for partialDeepStrictEqual', () => {
+  assert.strictEqual(
+    assert.strict.partialDeepEqual,
+    assert.strict.partialDeepStrictEqual
+  );
+});
+
 test('Printf-like format strings as error message', () => {
   assert.throws(
     () => assert.equal(1, 2, 'The answer to all questions is %i', 42),