diff --git a/lib/node_modules/@stdlib/utils/jsonify-keys/README.md b/lib/node_modules/@stdlib/utils/jsonify-keys/README.md
new file mode 100644
index 000000000000..3e002935a7f0
--- /dev/null
+++ b/lib/node_modules/@stdlib/utils/jsonify-keys/README.md
@@ -0,0 +1,84 @@
+
+
+# jsonifyKeys
+
+> Return a normalized string that can be parsed as [JSON][json].
+
+
+
+## Usage
+
+```javascript
+var jsonifyKeys = require( '@stdlib/utils/jsonify-keys' );
+```
+
+#### jsonifyKeys( str )
+
+Returns a normalized string that can be parsed as [JSON][json].
+
+```javascript
+var out = jsonifyKeys( '{ beep: "boop" }' );
+// returns '{ "beep": "boop" }'
+```
+
+
+
+
+
+
+
+## Examples
+
+
+
+```javascript
+var jsonifyKeys = require( '@stdlib/utils/jsonify-keys' );
+
+var out = jsonifyKeys( '{ beep: "boop" }' );
+console.log( out );
+// => '{ "beep": "boop" }'
+
+var json = JSON.parse( out );
+console.log( json );
+// => { 'beep': 'boop' }
+```
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+[json]: http://www.json.org/
+
+
+
+
diff --git a/lib/node_modules/@stdlib/utils/jsonify-keys/benchmark/benchmark.js b/lib/node_modules/@stdlib/utils/jsonify-keys/benchmark/benchmark.js
new file mode 100644
index 000000000000..0b46c527b52e
--- /dev/null
+++ b/lib/node_modules/@stdlib/utils/jsonify-keys/benchmark/benchmark.js
@@ -0,0 +1,50 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 fromCodePoint = require( '@stdlib/string/from-code-point' );
+var pkg = require( './../package.json' ).name;
+var jsonifyKeys = require( './../lib' );
+
+
+// MAIN //
+
+bench( pkg, function benchmark( b ) {
+ var str;
+ var out;
+ var i;
+
+ b.tic();
+ for ( i = 0; i < b.iterations; i++ ) {
+ str = '{ beep: "boop",'+fromCodePoint( 97 + (i%26) ) + ':true }';
+ out = jsonifyKeys( str );
+ if ( out instanceof Error ) {
+ b.fail( out.message );
+ }
+ }
+ b.toc();
+ if ( out instanceof Error ) {
+ b.fail( 'should return a string' );
+ }
+ b.pass( 'benchmark finished' );
+ b.end();
+});
diff --git a/lib/node_modules/@stdlib/utils/jsonify-keys/docs/repl.txt b/lib/node_modules/@stdlib/utils/jsonify-keys/docs/repl.txt
new file mode 100644
index 000000000000..9e4d1920c608
--- /dev/null
+++ b/lib/node_modules/@stdlib/utils/jsonify-keys/docs/repl.txt
@@ -0,0 +1,21 @@
+
+{{alias}}( str )
+ Returns a normalized string that can be parsed as JSON.
+
+ Parameters
+ ----------
+ str: string
+ String to parse.
+
+ Returns
+ -------
+ out: string
+ Normalized string that can be parsed as JSON.
+
+ Examples
+ --------
+ > var obj = {{alias}}( '{ beep: "boop" }' )
+ '{ "beep": "boop" }'
+
+ See Also
+ --------
diff --git a/lib/node_modules/@stdlib/utils/jsonify-keys/docs/types/index.d.ts b/lib/node_modules/@stdlib/utils/jsonify-keys/docs/types/index.d.ts
new file mode 100644
index 000000000000..c8621bb0a62d
--- /dev/null
+++ b/lib/node_modules/@stdlib/utils/jsonify-keys/docs/types/index.d.ts
@@ -0,0 +1,36 @@
+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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
+
+/**
+* Returns a normalized string that can be parsed as JSON.
+*
+* @param str - string to parse
+* @returns normalized string
+*
+* @example
+* var obj = jsonifyKeys( '{ beep: "boop" }' );
+* // returns '{ "beep": "boop" }'
+*/
+declare function jsonifyKeys( str: string ): string;
+
+
+// EXPORTS //
+
+export = jsonifyKeys;
diff --git a/lib/node_modules/@stdlib/utils/jsonify-keys/docs/types/test.ts b/lib/node_modules/@stdlib/utils/jsonify-keys/docs/types/test.ts
new file mode 100644
index 000000000000..38b809771720
--- /dev/null
+++ b/lib/node_modules/@stdlib/utils/jsonify-keys/docs/types/test.ts
@@ -0,0 +1,55 @@
+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 jsonifyKeys = require( './index' );
+
+
+// TESTS //
+
+// The function returns a parsed value...
+{
+ jsonifyKeys( '{ beep: "boop" }' ); // $ExpectType string
+ jsonifyKeys( '"beep"' ); // $ExpectType string
+ jsonifyKeys( '22' ); // $ExpectType string
+}
+
+// The function does not compile if the first argument is a value other than a string...
+{
+ jsonifyKeys( true ); // $ExpectError
+ jsonifyKeys( false ); // $ExpectError
+ jsonifyKeys( 5 ); // $ExpectError
+ jsonifyKeys( [] ); // $ExpectError
+ jsonifyKeys( {} ); // $ExpectError
+ jsonifyKeys( ( x: number ): number => x ); // $ExpectError
+}
+
+// The function does not compile if the second argument is a value other than a function...
+{
+ jsonifyKeys( '{ beep: "boop" }', true ); // $ExpectError
+ jsonifyKeys( '{ beep: "boop" }', false ); // $ExpectError
+ jsonifyKeys( '{ beep: "boop" }', 5 ); // $ExpectError
+ jsonifyKeys( '{ beep: "boop" }', [] ); // $ExpectError
+ jsonifyKeys( '{ beep: "boop" }', {} ); // $ExpectError
+ jsonifyKeys( '{ beep: "boop" }', 'baz' ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided an unsupported number of arguments...
+{
+ jsonifyKeys(); // $ExpectError
+ jsonifyKeys( '{ beep: "boop" }', 'baz', 'boz' ); // $ExpectError
+}
diff --git a/lib/node_modules/@stdlib/utils/jsonify-keys/examples/index.js b/lib/node_modules/@stdlib/utils/jsonify-keys/examples/index.js
new file mode 100644
index 000000000000..7b7eca968db5
--- /dev/null
+++ b/lib/node_modules/@stdlib/utils/jsonify-keys/examples/index.js
@@ -0,0 +1,29 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 jsonifyKeys = require( './../lib' );
+
+var out = jsonifyKeys( '{ beep: "boop" }' );
+console.log( out );
+// => '{ "beep": "boop" }'
+
+var json = JSON.parse( out );
+console.log( json );
+// => { 'beep': 'boop' }
diff --git a/lib/node_modules/@stdlib/utils/jsonify-keys/lib/index.js b/lib/node_modules/@stdlib/utils/jsonify-keys/lib/index.js
new file mode 100644
index 000000000000..59fb2949788e
--- /dev/null
+++ b/lib/node_modules/@stdlib/utils/jsonify-keys/lib/index.js
@@ -0,0 +1,40 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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';
+
+/**
+* Return a normalized string that can be parsed as JSON.
+*
+* @module @stdlib/utils/jsonify-keys
+*
+* @example
+* var jsonifyKeys = require( '@stdlib/utils/jsonify-keys' );
+*
+* var obj = jsonifyKeys( '{ beep: "boop" }' );
+* // returns '{ "beep": "boop" }'
+*/
+
+// MODULES //
+
+var main = require( './main.js' );
+
+
+// EXPORTS //
+
+module.exports = main;
diff --git a/lib/node_modules/@stdlib/utils/jsonify-keys/lib/main.js b/lib/node_modules/@stdlib/utils/jsonify-keys/lib/main.js
new file mode 100644
index 000000000000..5970700f7372
--- /dev/null
+++ b/lib/node_modules/@stdlib/utils/jsonify-keys/lib/main.js
@@ -0,0 +1,52 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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' ).isPrimitive;
+var replace = require( '@stdlib/string/replace' );
+var format = require( '@stdlib/string/format' );
+
+
+// MAIN //
+
+/**
+* Returns a normalized string that can be parsed as JSON.
+*
+* @param {string} str - string to parse
+* @throws {TypeError} first argument must be a string
+* @returns {string} normalized string
+*
+* @example
+* var obj = jsonifyKeys( '{ beep: "boop" }' );
+* // returns '{ "beep": "boop" }'
+*/
+function jsonifyKeys( str ) {
+ if ( !isString( str ) ) {
+ throw new TypeError( format( 'invalid argument. First argument must be a string. Value: `%s`.', str ) );
+ }
+ // Find the word that is preceded by a `{` or followed by a `:` and add quotes around it.
+ return replace( str, /(\s*?{\s*?|\s*?,\s*?)(['"])?([a-zA-Z0-9_]+)(['"])?:/g, '$1"$3":' );
+}
+
+
+// EXPORTS //
+
+module.exports = jsonifyKeys;
diff --git a/lib/node_modules/@stdlib/utils/jsonify-keys/package.json b/lib/node_modules/@stdlib/utils/jsonify-keys/package.json
new file mode 100644
index 000000000000..48e17721042a
--- /dev/null
+++ b/lib/node_modules/@stdlib/utils/jsonify-keys/package.json
@@ -0,0 +1,68 @@
+{
+ "name": "@stdlib/utils/jsonify-keys",
+ "version": "0.0.0",
+ "description": "Return a normalized string that can be parsed as JSON.",
+ "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",
+ "stdutils",
+ "stdutil",
+ "utilities",
+ "utility",
+ "utils",
+ "util",
+ "json",
+ "parse",
+ "try",
+ "trap",
+ "catch",
+ "json.parse",
+ "string",
+ "str"
+ ]
+}
diff --git a/lib/node_modules/@stdlib/utils/jsonify-keys/test/test.js b/lib/node_modules/@stdlib/utils/jsonify-keys/test/test.js
new file mode 100644
index 000000000000..37633d028762
--- /dev/null
+++ b/lib/node_modules/@stdlib/utils/jsonify-keys/test/test.js
@@ -0,0 +1,86 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2025 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 jsonifyKeys = require( './../lib' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+ t.ok( true, __filename );
+ t.strictEqual( typeof jsonifyKeys, 'function', 'main export is a function' );
+ t.end();
+});
+
+tape( 'the function throws if not provided a string', function test( t ) {
+ var values;
+ var i;
+
+ values = [
+ 3.14,
+ NaN,
+ true,
+ null,
+ void 0,
+ [],
+ {},
+ function noop() {}
+ ];
+
+ for ( i = 0; i < values.length; i++ ) {
+ t.throws( badValue( values[i] ), TypeError, 'throws a type error when provided '+values[i] );
+ }
+ t.end();
+
+ function badValue( value ) {
+ return function badValue() {
+ jsonifyKeys( value );
+ };
+ }
+});
+
+tape( 'the function returns a string value', function test( t ) {
+ var expected;
+ var actual;
+
+ expected = '{ "beep": "boop" }';
+ actual = jsonifyKeys( '{ beep: "boop" }' );
+ t.deepEqual( actual, expected, 'deep equal' );
+
+ t.end();
+});
+
+tape( 'the resultant string can be parsed as JSON', function test( t ) {
+ var expected;
+ var actual;
+ var out;
+
+ expected = {
+ 'beep': 'boop'
+ };
+ out = jsonifyKeys( '{ beep: "boop" }' );
+ actual = JSON.parse( out );
+ t.deepEqual( actual, expected, 'deep equal' );
+
+ t.end();
+});