From 80644447bb567ea998848e7bb107b602a25a017b Mon Sep 17 00:00:00 2001
From: Harshit Verma <therealharshit014@gmail.com>
Date: Sun, 25 Jan 2026 01:12:41 +0530
Subject: [PATCH 1/3] feat: add assert/is-palindrome

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: passed
  - task: lint_package_json
    status: passed
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    status: passed
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: passed
  - task: lint_javascript_tests
    status: passed
  - task: lint_javascript_benchmarks
    status: passed
  - task: lint_python
    status: na
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    status: na
  - task: lint_c_src
    status: na
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    status: na
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---
---
 .../@stdlib/assert/is-palindrome/README.md    | 105 ++++++++++++++++++
 .../is-palindrome/benchmark/benchmark.js      |  69 ++++++++++++
 .../assert/is-palindrome/docs/repl.txt        |  30 +++++
 .../is-palindrome/docs/types/index.d.ts       |  36 ++++++
 .../assert/is-palindrome/docs/types/test.ts   |  34 ++++++
 .../assert/is-palindrome/examples/index.js    |  33 ++++++
 .../@stdlib/assert/is-palindrome/lib/index.js |  40 +++++++
 .../@stdlib/assert/is-palindrome/lib/main.js  |  70 ++++++++++++
 .../@stdlib/assert/is-palindrome/package.json |  70 ++++++++++++
 .../@stdlib/assert/is-palindrome/test/test.js |  73 ++++++++++++
 10 files changed, 560 insertions(+)
 create mode 100644 lib/node_modules/@stdlib/assert/is-palindrome/README.md
 create mode 100644 lib/node_modules/@stdlib/assert/is-palindrome/benchmark/benchmark.js
 create mode 100644 lib/node_modules/@stdlib/assert/is-palindrome/docs/repl.txt
 create mode 100644 lib/node_modules/@stdlib/assert/is-palindrome/docs/types/index.d.ts
 create mode 100644 lib/node_modules/@stdlib/assert/is-palindrome/docs/types/test.ts
 create mode 100644 lib/node_modules/@stdlib/assert/is-palindrome/examples/index.js
 create mode 100644 lib/node_modules/@stdlib/assert/is-palindrome/lib/index.js
 create mode 100644 lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js
 create mode 100644 lib/node_modules/@stdlib/assert/is-palindrome/package.json
 create mode 100644 lib/node_modules/@stdlib/assert/is-palindrome/test/test.js

diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/README.md b/lib/node_modules/@stdlib/assert/is-palindrome/README.md
new file mode 100644
index 000000000000..ecc714142a6b
--- /dev/null
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/README.md
@@ -0,0 +1,105 @@
+<!--
+
+@license Apache-2.0
+
+Copyright (c) 2026 The Stdlib Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+-->
+
+# isPalindrome
+
+> Test if a value is a palindrome.
+
+<section class="usage">
+
+## Usage
+
+```javascript
+var isPalindrome = require( '@stdlib/assert/is-palindrome' );
+```
+
+#### isPalindrome( value )
+
+Tests if a `value` is a palindrome `string`.
+
+```javascript
+var bool = isPalindrome( 'racecar' );
+// returns true
+
+bool = isPalindrome( 'level' );
+// returns true
+
+bool = isPalindrome( 'abc' );
+// returns false
+
+bool = isPalindrome( null );
+// returns false
+```
+
+</section>
+
+<!-- /.usage -->
+
+<section class="examples">
+
+## Examples
+
+```javascript
+var isPalindrome = require( '@stdlib/assert/is-palindrome' );
+
+var bool = isPalindrome( 'racecar' );
+// returns true
+
+bool = isPalindrome( 'ada' );
+// returns true
+
+bool = isPalindrome( 'website' );
+// returns false
+
+bool = isPalindrome( null );
+// returns false
+```
+
+</section>
+
+<!-- /.examples -->
+
+<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
+
+<section class="related">
+
+* * *
+
+## See Also
+
+-   <span class="package-name">[`@stdlib/assert/is-string`][@stdlib/assert/is-string]</span><span class="delimiter">: </span><span class="description">test if a value is a string.</span>
+
+</section>
+
+<!-- /.related -->
+
+<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="links">
+
+<!-- <related-links> -->
+
+[@stdlib/assert/is-string]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/assert/is-string
+
+<!-- </related-links> -->
+
+</section>
+
+<!-- /.links -->
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/benchmark/benchmark.js b/lib/node_modules/@stdlib/assert/is-palindrome/benchmark/benchmark.js
new file mode 100644
index 000000000000..1b02617a8458
--- /dev/null
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/benchmark/benchmark.js
@@ -0,0 +1,69 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var bench = require( '@stdlib/bench' );
+var isString = require( '@stdlib/assert/is-string' );
+var pkg = require( './../package.json' ).name;
+var isPalindrome = require( './../lib' );
+
+
+// MAIN //
+
+bench( pkg, function benchmark( b ) {
+	var bool;
+	var i;
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		bool = isPalindrome( 'racecar' );
+		if ( typeof bool !== 'boolean' ) {
+			b.fail( 'should return a boolean' );
+		}
+	}
+	b.toc();
+	if ( !isString( pkg ) ) {
+		b.fail( 'should be a string' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
+
+bench( pkg + ':long_string', function benchmark( b ) {
+	var bool;
+	var str;
+	var i;
+
+	str = 'tattarrattat';
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		bool = isPalindrome( str );
+		if ( typeof bool !== 'boolean' ) {
+			b.fail( 'should return a boolean' );
+		}
+	}
+	b.toc();
+	if ( !bool ) {
+		b.fail( 'should return true' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/docs/repl.txt b/lib/node_modules/@stdlib/assert/is-palindrome/docs/repl.txt
new file mode 100644
index 000000000000..fe8876b38725
--- /dev/null
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/docs/repl.txt
@@ -0,0 +1,30 @@
+
+{{alias}}( value )
+    Tests if a value is a palindrome.
+
+    Parameters
+    ----------
+    value: any
+        Value to test.
+
+    Returns
+    -------
+    bool: boolean
+        Boolean indicating if a value is a palindrome.
+
+    Examples
+    --------
+    > var bool = {{alias}}( 'racecar' )
+    true
+    > bool = {{alias}}( 'level' )
+    true
+    > bool = {{alias}}( 'noon' )
+    true
+    > bool = {{alias}}( 'stdlib' )
+    false
+    > bool = {{alias}}( null )
+    false
+
+    See Also
+    --------
+
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/index.d.ts b/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/index.d.ts
new file mode 100644
index 000000000000..9c5907f04448
--- /dev/null
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/index.d.ts
@@ -0,0 +1,36 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+// TypeScript Version: 4.1
+
+/**
+* Tests if a value is a palindrome.
+*
+* @param v - value to test
+* @returns boolean indicating if a value is a palindrome
+*
+* @example
+* var bool = isPalindrome( 'racecar' );
+* // returns true
+*/
+declare function isPalindrome( v: any ): boolean;
+
+
+// EXPORTS //
+
+export = isPalindrome;
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/test.ts b/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/test.ts
new file mode 100644
index 000000000000..2c434ad5ae82
--- /dev/null
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/test.ts
@@ -0,0 +1,34 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+import isPalindrome = require( '@stdlib/assert/is-palindrome' );
+
+
+// TESTS //
+
+// The function returns a boolean...
+{
+	isPalindrome( 'racecar' ); // $ExpectType boolean
+	isPalindrome( '' ); // $ExpectType boolean
+}
+
+// The compiler throws an error if the function is provided an invalid number of arguments...
+{
+	isPalindrome(); // $ExpectError
+	isPalindrome( 'racecar', {} ); // $ExpectError
+}
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/examples/index.js b/lib/node_modules/@stdlib/assert/is-palindrome/examples/index.js
new file mode 100644
index 000000000000..16bb3e1a7976
--- /dev/null
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/examples/index.js
@@ -0,0 +1,33 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+var isPalindrome = require( './../lib' );
+
+console.log( isPalindrome( 'racecar' ) );
+// => true
+
+console.log( isPalindrome( 'ada' ) );
+// => true
+
+console.log( isPalindrome( 'website' ) );
+// => false
+
+console.log( isPalindrome( null ) );
+// => false
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/lib/index.js b/lib/node_modules/@stdlib/assert/is-palindrome/lib/index.js
new file mode 100644
index 000000000000..a5f87d0a244b
--- /dev/null
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/lib/index.js
@@ -0,0 +1,40 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+/**
+* Assert if a value is a palindrome.
+*
+* @module @stdlib/assert/is-palindrome
+*
+* @example
+* var isPalindrome = require( '@stdlib/assert/is-palindrome' );
+*
+* var bool = isPalindrome( 'level' );
+* // returns true
+*/
+
+// MODULES //
+
+var main = require( './main.js' );
+
+
+// EXPORTS //
+
+module.exports = main;
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js b/lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js
new file mode 100644
index 000000000000..d8efc047939d
--- /dev/null
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js
@@ -0,0 +1,70 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var isString = require( '@stdlib/assert/is-string' );
+
+
+// MAIN //
+
+/**
+* Tests if a value is a palindrome.
+*
+* @param {*} v - value to test
+* @returns {boolean} boolean indicating if a value is a palindrome
+*
+* @example
+* var bool = isPalindrome( 'racecar' );
+* // returns true
+*
+* @example
+* var bool = isPalindrome( 'abc' );
+* // returns false
+*/
+function isPalindrome( v ) {
+	var len;
+	var i;
+	var j;
+
+	if ( !isString( v ) ) {
+		return false;
+	}
+	len = v.length;
+	if ( len <= 1 ) {
+		return true;
+	}
+
+	i = 0;
+	j = len - 1;
+	while ( i < j ) {
+		if ( v.charAt( i ) !== v.charAt( j ) ) {
+			return false;
+		}
+		i += 1;
+		j -= 1;
+	}
+	return true;
+}
+
+
+// EXPORTS //
+
+module.exports = isPalindrome;
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/package.json b/lib/node_modules/@stdlib/assert/is-palindrome/package.json
new file mode 100644
index 000000000000..99d780be4e6a
--- /dev/null
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/package.json
@@ -0,0 +1,70 @@
+{
+  "name": "@stdlib/assert/is-palindrome",
+  "version": "0.0.0",
+  "description": "Test if a value is a palindrome.",
+  "license": "Apache-2.0",
+  "author": {
+    "name": "The Stdlib Authors",
+    "url": "https://github.com/stdlib-js/stdlib/graphs/contributors"
+  },
+  "contributors": [
+    {
+      "name": "The Stdlib Authors",
+      "url": "https://github.com/stdlib-js/stdlib/graphs/contributors"
+    }
+  ],
+  "main": "./lib",
+  "directories": {
+    "benchmark": "./benchmark",
+    "doc": "./docs",
+    "example": "./examples",
+    "lib": "./lib",
+    "test": "./test"
+  },
+  "types": "./docs/types",
+  "scripts": {},
+  "homepage": "https://github.com/stdlib-js/stdlib",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/stdlib-js/stdlib.git"
+  },
+  "bugs": {
+    "url": "https://github.com/stdlib-js/stdlib/issues"
+  },
+  "dependencies": {},
+  "devDependencies": {},
+  "engines": {
+    "node": ">=0.10.0",
+    "npm": ">2.7.0"
+  },
+  "os": [
+    "aix",
+    "darwin",
+    "freebsd",
+    "linux",
+    "macos",
+    "openbsd",
+    "sunos",
+    "win32",
+    "windows"
+  ],
+  "keywords": [
+    "stdlib",
+    "stdassert",
+    "assertion",
+    "assert",
+    "utilities",
+    "utility",
+    "utils",
+    "util",
+    "string",
+    "palindrome",
+    "is",
+    "ispalindrome",
+    "type",
+    "check",
+    "validate",
+    "valid",
+    "test"
+  ]
+}
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/test/test.js b/lib/node_modules/@stdlib/assert/is-palindrome/test/test.js
new file mode 100644
index 000000000000..c9815738f4f4
--- /dev/null
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/test/test.js
@@ -0,0 +1,73 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+'use strict';
+
+// MODULES //
+
+var tape = require( 'tape' );
+var isPalindrome = require( './../lib' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+	t.ok( true, __filename );
+	t.strictEqual( typeof isPalindrome, 'function', 'main export is a function' );
+	t.end();
+});
+
+tape( 'the function returns true if a value is a palindrome', function test( t ) {
+	var values;
+	var i;
+
+	values = [
+		'racecar',
+		'level',
+		'a',
+		'',
+		'step on no pets',
+		'deleveled'
+	];
+
+	for ( i = 0; i < values.length; i++ ) {
+		t.strictEqual( isPalindrome( values[ i ] ), true, 'returns true for ' + values[ i ] );
+	}
+	t.end();
+});
+
+tape( 'the function returns false if a value is not a palindrome', function test( t ) {
+	var values;
+	var i;
+
+	values = [
+		'abc',
+		'stdlib',
+		null,
+		undefined,
+		121,
+		NaN,
+		{},
+		[]
+	];
+
+	for ( i = 0; i < values.length; i++ ) {
+		t.strictEqual( isPalindrome( values[ i ] ), false, 'returns false for ' + values[ i ] );
+	}
+	t.end();
+});

From 66ac84590dc760bde1f415f65001ef9026ccd54c Mon Sep 17 00:00:00 2001
From: Harshit Verma <therealharshit014@gmail.com>
Date: Fri, 13 Feb 2026 02:34:28 +0530
Subject: [PATCH 2/3] fix: handle Unicode grapheme clusters and add related
 tests

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
  - task: lint_package_json
    status: na
  - task: lint_repl_help
    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: na
  - task: lint_javascript_tests
    status: passed
  - task: lint_javascript_benchmarks
    status: na
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: na
  - task: lint_license_headers
    status: passed
---
---
 .../@stdlib/assert/is-palindrome/lib/main.js  | 17 +++---
 .../@stdlib/assert/is-palindrome/test/test.js | 53 +++++++++++++++----
 2 files changed, 53 insertions(+), 17 deletions(-)

diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js b/lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js
index d8efc047939d..b75ff16375c2 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js
@@ -21,6 +21,7 @@
 // MODULES //
 
 var isString = require( '@stdlib/assert/is-string' );
+var splitGraphemeClusters = require( '@stdlib/string/split-grapheme-clusters' );
 
 
 // MAIN //
@@ -39,23 +40,23 @@ var isString = require( '@stdlib/assert/is-string' );
 * var bool = isPalindrome( 'abc' );
 * // returns false
 */
-function isPalindrome( v ) {
-	var len;
+function isPalindrome(v) {
+	var clusters;
 	var i;
 	var j;
 
-	if ( !isString( v ) ) {
+	if (!isString(v)) {
 		return false;
 	}
-	len = v.length;
-	if ( len <= 1 ) {
+	clusters = splitGraphemeClusters(v);
+	if (clusters.length <= 1) {
 		return true;
 	}
 
 	i = 0;
-	j = len - 1;
-	while ( i < j ) {
-		if ( v.charAt( i ) !== v.charAt( j ) ) {
+	j = clusters.length - 1;
+	while (i < j) {
+		if (clusters[i] !== clusters[j]) {
 			return false;
 		}
 		i += 1;
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/test/test.js b/lib/node_modules/@stdlib/assert/is-palindrome/test/test.js
index c9815738f4f4..d5761ddc66f1 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/test/test.js
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/test/test.js
@@ -26,13 +26,13 @@ var isPalindrome = require( './../lib' );
 
 // TESTS //
 
-tape( 'main export is a function', function test( t ) {
-	t.ok( true, __filename );
-	t.strictEqual( typeof isPalindrome, 'function', 'main export is a function' );
+tape('main export is a function', function test(t) {
+	t.ok(true, __filename);
+	t.strictEqual(typeof isPalindrome, 'function', 'main export is a function');
 	t.end();
 });
 
-tape( 'the function returns true if a value is a palindrome', function test( t ) {
+tape('the function returns true if a value is a palindrome', function test(t) {
 	var values;
 	var i;
 
@@ -45,13 +45,13 @@ tape( 'the function returns true if a value is a palindrome', function test( t )
 		'deleveled'
 	];
 
-	for ( i = 0; i < values.length; i++ ) {
-		t.strictEqual( isPalindrome( values[ i ] ), true, 'returns true for ' + values[ i ] );
+	for (i = 0; i < values.length; i++) {
+		t.strictEqual(isPalindrome(values[i]), true, 'returns true for ' + values[i]);
 	}
 	t.end();
 });
 
-tape( 'the function returns false if a value is not a palindrome', function test( t ) {
+tape('the function returns false if a value is not a palindrome', function test(t) {
 	var values;
 	var i;
 
@@ -66,8 +66,43 @@ tape( 'the function returns false if a value is not a palindrome', function test
 		[]
 	];
 
-	for ( i = 0; i < values.length; i++ ) {
-		t.strictEqual( isPalindrome( values[ i ] ), false, 'returns false for ' + values[ i ] );
+	for (i = 0; i < values.length; i++) {
+		t.strictEqual(isPalindrome(values[i]), false, 'returns false for ' + values[i]);
+	}
+	t.end();
+});
+
+tape('the function returns true for palindromes containing Unicode grapheme clusters', function test(t) {
+	var values;
+	var i;
+
+	values = [
+		'🍕🔥🍕',
+		'🍕🍕',
+		'😀😁😀',
+		'🇫🇷🇫🇷',
+		'café\u0301fac',
+		'a\u0308a\u0308'
+	];
+
+	for (i = 0; i < values.length; i++) {
+		t.strictEqual(isPalindrome(values[i]), true, 'returns true for Unicode palindrome');
+	}
+	t.end();
+});
+
+tape('the function returns false for non-palindromes containing Unicode grapheme clusters', function test(t) {
+	var values;
+	var i;
+
+	values = [
+		'🍕🔥',
+		'😀😁',
+		'🍕🔥🍕🔥'
+	];
+
+	for (i = 0; i < values.length; i++) {
+		t.strictEqual(isPalindrome(values[i]), false, 'returns false for Unicode non-palindrome');
 	}
 	t.end();
 });

From efb164e8653de7fa146faefbe8ba5ac0712e55f7 Mon Sep 17 00:00:00 2001
From: Harshit Verma <therealharshit014@gmail.com>
Date: Mon, 2 Mar 2026 22:37:18 +0530
Subject: [PATCH 3/3] chore: update is-palindrome to strictly validates string
 input and correctly handles Unicode grapheme clusters

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: passed
  - task: lint_package_json
    status: passed
  - task: lint_repl_help
    status: passed
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
  - task: lint_javascript_examples
    status: passed
  - task: lint_javascript_tests
    status: passed
  - task: lint_javascript_benchmarks
    status: passed
  - task: lint_python
    status: na
  - task: lint_r
    status: na
  - task: lint_c_src
    status: na
  - task: lint_c_examples
    status: na
  - task: lint_c_benchmarks
    status: na
  - task: lint_c_tests_fixtures
    status: na
  - task: lint_shell
    status: na
  - task: lint_typescript_declarations
    status: passed
  - task: lint_typescript_tests
    status: passed
  - task: lint_license_headers
    status: passed
---
---
 .../@stdlib/assert/is-palindrome/README.md    | 10 ++++
 .../is-palindrome/benchmark/benchmark.js      | 35 +++++------
 .../assert/is-palindrome/docs/repl.txt        |  5 ++
 .../is-palindrome/docs/types/index.d.ts       |  2 +-
 .../assert/is-palindrome/docs/types/test.ts   | 15 ++++-
 .../assert/is-palindrome/examples/index.js    | 11 ++--
 .../@stdlib/assert/is-palindrome/lib/index.js |  7 ++-
 .../@stdlib/assert/is-palindrome/lib/main.js  | 14 ++---
 .../@stdlib/assert/is-palindrome/package.json |  4 +-
 .../@stdlib/assert/is-palindrome/test/test.js | 58 ++++++++++++-------
 10 files changed, 107 insertions(+), 54 deletions(-)

diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/README.md b/lib/node_modules/@stdlib/assert/is-palindrome/README.md
index ecc714142a6b..e19973dbf6ef 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/README.md
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/README.md
@@ -48,6 +48,13 @@ bool = isPalindrome( null );
 // returns false
 ```
 
+The function properly handles strings containing Unicode grapheme clusters, such as emoji and combining marks.
+
+```javascript
+var bool = isPalindrome( '🍕🔥🍕' );
+// returns true
+```
+
 </section>
 
 <!-- /.usage -->
@@ -65,6 +72,9 @@ var bool = isPalindrome( 'racecar' );
 bool = isPalindrome( 'ada' );
 // returns true
 
+bool = isPalindrome( '🍕🔥🍕' );
+// returns true
+
 bool = isPalindrome( 'website' );
 // returns false
 
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/benchmark/benchmark.js b/lib/node_modules/@stdlib/assert/is-palindrome/benchmark/benchmark.js
index 1b02617a8458..fd29451c3514 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/benchmark/benchmark.js
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/benchmark/benchmark.js
@@ -21,49 +21,50 @@
 // MODULES //
 
 var bench = require( '@stdlib/bench' );
-var isString = require( '@stdlib/assert/is-string' );
+var isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
+var format = require( '@stdlib/string/format' );
 var pkg = require( './../package.json' ).name;
 var isPalindrome = require( './../lib' );
 
 
 // MAIN //
 
-bench( pkg, function benchmark( b ) {
+bench(pkg, function benchmark(b) {
 	var bool;
 	var i;
 
 	b.tic();
-	for ( i = 0; i < b.iterations; i++ ) {
-		bool = isPalindrome( 'racecar' );
-		if ( typeof bool !== 'boolean' ) {
-			b.fail( 'should return a boolean' );
+	for (i = 0; i < b.iterations; i++) {
+		bool = isPalindrome('racecar');
+		if (typeof bool !== 'boolean') {
+			b.fail('should return a boolean');
 		}
 	}
 	b.toc();
-	if ( !isString( pkg ) ) {
-		b.fail( 'should be a string' );
+	if (!isBoolean(bool)) {
+		b.fail('should return a boolean');
 	}
-	b.pass( 'benchmark finished' );
+	b.pass('benchmark finished');
 	b.end();
 });
 
-bench( pkg + ':long_string', function benchmark( b ) {
+bench(format('%s::long_string', pkg), function benchmark(b) {
 	var bool;
 	var str;
 	var i;
 
 	str = 'tattarrattat';
 	b.tic();
-	for ( i = 0; i < b.iterations; i++ ) {
-		bool = isPalindrome( str );
-		if ( typeof bool !== 'boolean' ) {
-			b.fail( 'should return a boolean' );
+	for (i = 0; i < b.iterations; i++) {
+		bool = isPalindrome(str);
+		if (typeof bool !== 'boolean') {
+			b.fail('should return a boolean');
 		}
 	}
 	b.toc();
-	if ( !bool ) {
-		b.fail( 'should return true' );
+	if (!isBoolean(bool)) {
+		b.fail('should return a boolean');
 	}
-	b.pass( 'benchmark finished' );
+	b.pass('benchmark finished');
 	b.end();
 });
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/docs/repl.txt b/lib/node_modules/@stdlib/assert/is-palindrome/docs/repl.txt
index fe8876b38725..0f874bc58e83 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/docs/repl.txt
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/docs/repl.txt
@@ -2,6 +2,9 @@
 {{alias}}( value )
     Tests if a value is a palindrome.
 
+    The function properly handles strings containing Unicode grapheme
+    clusters, such as emoji and combining marks.
+
     Parameters
     ----------
     value: any
@@ -20,6 +23,8 @@
     true
     > bool = {{alias}}( 'noon' )
     true
+    > bool = {{alias}}( '🍕🔥🍕' )
+    true
     > bool = {{alias}}( 'stdlib' )
     false
     > bool = {{alias}}( null )
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/index.d.ts b/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/index.d.ts
index 9c5907f04448..f042dc19d0ff 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/index.d.ts
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/index.d.ts
@@ -28,7 +28,7 @@
 * var bool = isPalindrome( 'racecar' );
 * // returns true
 */
-declare function isPalindrome( v: any ): boolean;
+declare function isPalindrome( v: string ): boolean;
 
 
 // EXPORTS //
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/test.ts b/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/test.ts
index 2c434ad5ae82..25007fd83bcf 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/test.ts
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/docs/types/test.ts
@@ -25,10 +25,21 @@ import isPalindrome = require( '@stdlib/assert/is-palindrome' );
 {
 	isPalindrome( 'racecar' ); // $ExpectType boolean
 	isPalindrome( '' ); // $ExpectType boolean
+	isPalindrome( '🍕🔥🍕' ); // $ExpectType boolean
+}
+
+// The compiler throws an error if the function is provided a value other than a string...
+{
+	isPalindrome( true ) ; // $ExpectError
+	isPalindrome( false ); // $ExpectError
+	isPalindrome( 123 ); // $ExpectError
+	isPalindrome( [] ); // $ExpectError
+	isPalindrome( {} ); // $ExpectError
+	isPalindrome( null ); // $ExpectError
 }
 
 // The compiler throws an error if the function is provided an invalid number of arguments...
 {
-	isPalindrome(); // $ExpectError
-	isPalindrome( 'racecar', {} ); // $ExpectError
+	isPalindrome( ); // $ExpectError
+	isPalindrome( 'racecar' , {} ); // $ExpectError
 }
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/examples/index.js b/lib/node_modules/@stdlib/assert/is-palindrome/examples/index.js
index 16bb3e1a7976..a3d514be2985 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/examples/index.js
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/examples/index.js
@@ -20,14 +20,17 @@
 
 var isPalindrome = require( './../lib' );
 
-console.log( isPalindrome( 'racecar' ) );
+console.log(isPalindrome('racecar'));
 // => true
 
-console.log( isPalindrome( 'ada' ) );
+console.log(isPalindrome('ada'));
 // => true
 
-console.log( isPalindrome( 'website' ) );
+console.log(isPalindrome('🍕🔥🍕'));
+// => true
+
+console.log(isPalindrome('website'));
 // => false
 
-console.log( isPalindrome( null ) );
+console.log(isPalindrome(null));
 // => false
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/lib/index.js b/lib/node_modules/@stdlib/assert/is-palindrome/lib/index.js
index a5f87d0a244b..e82a503e37bf 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/lib/index.js
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/lib/index.js
@@ -19,15 +19,18 @@
 'use strict';
 
 /**
-* Assert if a value is a palindrome.
+* Test if a value is a palindrome.
 *
 * @module @stdlib/assert/is-palindrome
 *
 * @example
 * var isPalindrome = require( '@stdlib/assert/is-palindrome' );
 *
-* var bool = isPalindrome( 'level' );
+* var bool = isPalindrome( 'racecar' );
 * // returns true
+*
+* bool = isPalindrome( 'abc' );
+* // returns false
 */
 
 // MODULES //
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js b/lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js
index b75ff16375c2..52b5494b6b52 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/lib/main.js
@@ -20,7 +20,7 @@
 
 // MODULES //
 
-var isString = require( '@stdlib/assert/is-string' );
+var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
 var splitGraphemeClusters = require( '@stdlib/string/split-grapheme-clusters' );
 
 
@@ -40,23 +40,23 @@ var splitGraphemeClusters = require( '@stdlib/string/split-grapheme-clusters' );
 * var bool = isPalindrome( 'abc' );
 * // returns false
 */
-function isPalindrome(v) {
+function isPalindrome( v ) {
 	var clusters;
 	var i;
 	var j;
 
-	if (!isString(v)) {
+	if ( !isString( v ) ) {
 		return false;
 	}
-	clusters = splitGraphemeClusters(v);
-	if (clusters.length <= 1) {
+	clusters = splitGraphemeClusters( v );
+	if ( clusters.length <= 1 ) {
 		return true;
 	}
 
 	i = 0;
 	j = clusters.length - 1;
-	while (i < j) {
-		if (clusters[i] !== clusters[j]) {
+	while ( i < j ) {
+		if ( clusters[ i ] !== clusters[ j ] ) {
 			return false;
 		}
 		i += 1;
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/package.json b/lib/node_modules/@stdlib/assert/is-palindrome/package.json
index 99d780be4e6a..76b07bccb9b0 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/package.json
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/package.json
@@ -65,6 +65,8 @@
     "check",
     "validate",
     "valid",
-    "test"
+    "test",
+    "unicode",
+    "grapheme"
   ]
 }
diff --git a/lib/node_modules/@stdlib/assert/is-palindrome/test/test.js b/lib/node_modules/@stdlib/assert/is-palindrome/test/test.js
index d5761ddc66f1..49522fd3b05d 100644
--- a/lib/node_modules/@stdlib/assert/is-palindrome/test/test.js
+++ b/lib/node_modules/@stdlib/assert/is-palindrome/test/test.js
@@ -32,7 +32,7 @@ tape('main export is a function', function test(t) {
 	t.end();
 });
 
-tape('the function returns true if a value is a palindrome', function test(t) {
+tape('the function returns `true` if a value is a palindrome', function test(t) {
 	var values;
 	var i;
 
@@ -51,47 +51,42 @@ tape('the function returns true if a value is a palindrome', function test(t) {
 	t.end();
 });
 
-tape('the function returns false if a value is not a palindrome', function test(t) {
+tape('the function returns `true` for palindromes containing Unicode grapheme clusters', function test(t) {
 	var values;
 	var i;
 
 	values = [
-		'abc',
-		'stdlib',
-		null,
-		undefined,
-		121,
-		NaN,
-		{},
-		[]
+		'🍕🔥🍕',
+		'🍕🍕',
+		'😀😁😀',
+		'🇫🇷🇫🇷',
+		'café\u0301fac',
+		'a\u0308a\u0308'
 	];
 
 	for (i = 0; i < values.length; i++) {
-		t.strictEqual(isPalindrome(values[i]), false, 'returns false for ' + values[i]);
+		t.strictEqual(isPalindrome(values[i]), true, 'returns true for Unicode palindrome');
 	}
 	t.end();
 });
 
-tape('the function returns true for palindromes containing Unicode grapheme clusters', function test(t) {
+tape('the function returns `false` if a value is not a palindrome', function test(t) {
 	var values;
 	var i;
 
 	values = [
-		'🍕🔥🍕',
-		'🍕🍕',
-		'😀😁😀',
-		'🇫🇷🇫🇷',
-		'café\u0301fac',
-		'a\u0308a\u0308'
+		'abc',
+		'stdlib',
+		'hello'
 	];
 
 	for (i = 0; i < values.length; i++) {
-		t.strictEqual(isPalindrome(values[i]), true, 'returns true for Unicode palindrome');
+		t.strictEqual(isPalindrome(values[i]), false, 'returns false for ' + values[i]);
 	}
 	t.end();
 });
 
-tape('the function returns false for non-palindromes containing Unicode grapheme clusters', function test(t) {
+tape('the function returns `false` for non-palindromes containing Unicode grapheme clusters', function test(t) {
 	var values;
 	var i;
 
@@ -106,3 +101,26 @@ tape('the function returns false for non-palindromes containing Unicode grapheme
 	}
 	t.end();
 });
+
+tape('the function returns `false` if not provided a string', function test(t) {
+	var values;
+	var i;
+
+	values = [
+		void 0,
+		null,
+		0,
+		121,
+		NaN,
+		false,
+		true,
+		[],
+		{},
+		function noop() { }
+	];
+
+	for (i = 0; i < values.length; i++) {
+		t.strictEqual(isPalindrome(values[i]), false, 'returns false when provided ' + values[i]);
+	}
+	t.end();
+});