build: add an ESLint rule to disallow global BigInt literal and constructor

etc/eslint/rules/stdlib.js

@@ -850,7 +850,7 @@
 * // Bad...
 *
 * /**
 * * Fréchet distribution constructor.
 * *
 * * @module @stdlib/stats/base/dists/frechet/ctor
 * *
@@ -866,7 +866,7 @@
 * // Good...
 *
 * /**
 * * Fréchet distribution constructor.
 * *
 * * @module @stdlib/stats/base/dists/frechet/ctor
 * *
@@ -4229,6 +4229,30 @@
 */
 rules[ 'stdlib/no-multiple-empty-lines' ] = 'error';
 
+/**
+* Disallow usage of the built-in global `BigInt` literal syntax and constructor.
+*
+* @name no-builtin-big-int
+* @memberof rules
+* @type {string}
+* @default 'error'
+*
+* @example
+* // Bad...
+* var x = BigInt( 123 );
+* console.log( typeof x );
+* // => 'bigint'
+*
+* @example
+* // Good...
+* var BigInt = require( '@stdlib/bigint/ctor' );
+*
+* var x = BigInt( 123 );
+* console.log( typeof x );
+* // => 'bigint'
+*/
+rules[ 'stdlib/no-builtin-big-int' ] = 'error';
+
 /**
 * Disallow usage of the built-in global `Math` object.
 *

lib/node_modules/@stdlib/_tools/eslint/rules/lib/index.js

@@ -837,6 +837,15 @@ setReadOnly( rules, 'new-cap-error', require( '@stdlib/_tools/eslint/rules/new-c
 */
 setReadOnly( rules, 'new-cap-regexp', require( '@stdlib/_tools/eslint/rules/new-cap-regexp' ) );
 
+/**
+* @name no-builtin-big-int
+* @memberof rules
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/_tools/eslint/rules/no-builtin-big-int}
+*/
+setReadOnly( rules, 'no-builtin-big-int', require( '@stdlib/_tools/eslint/rules/no-builtin-big-int' ) );
+
 /**
 * @name no-builtin-math
 * @memberof rules

lib/node_modules/@stdlib/_tools/eslint/rules/no-builtin-big-int/README.md

@@ -0,0 +1,125 @@
+<!--
+
+@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.
+
+-->
+
+# no-builtin-big-int
+
+> [ESLint rule][eslint-rules] disallowing the use of the built-in global `BigInt` literal syntax and constructor.
+
+<section class="intro">
+
+</section>
+
+<!-- /.intro -->
+
+<section class="usage">
+
+## Usage
+
+```javascript
+var rule = require( '@stdlib/_tools/eslint/rules/no-builtin-big-int' );
+```
+
+#### rule
+
+[ESLint rule][eslint-rules] disallowing the use of the built-in global `BigInt` literal syntax and constructor.
+
+**Bad**:
+
+<!-- eslint-disable stdlib/no-builtin-big-int -->
+
+<!-- eslint-disable stdlib/require-globals -->
+
+```javascript
+var x = BigInt( 123 );
+console.log( typeof x );
+// => 'bigint'
+```
+
+<!-- eslint-enable stdlib/require-globals -->
+
+**Good**:
+
+```javascript
+var BigInt = require( '@stdlib/bigint/ctor' );
+
+var x = BigInt( 123 );
+console.log( typeof x );
+// => 'bigint'
+```
+
+</section>
+
+<!-- /.usage -->
+
+<section class="examples">
+
+## Examples
+
+```javascript
+var Linter = require( 'eslint' ).Linter;
+var rule = require( '@stdlib/_tools/eslint/rules/no-builtin-big-int' );
+
+var linter = new Linter();
+
+var code = 'var x = 123n;';
+
+linter.defineRule( 'no-builtin-big-int', rule );
+
+var result = linter.verify( code, {
+    'rules': {
+        'no-builtin-big-int': 'error'
+    }
+});
+/* returns
+    [
+        {
+            'ruleId': 'no-builtin-big-int',
+            'severity': 2,
+            'message': 'Using the built-in global `BigInt` literal syntax is not allowed; use `@stdlib/bigint/ctor` instead.',
+            'line': 1,
+            'column': 9,
+            'nodeType': 'Literal',
+            'source': 'var x = 123n;',
+            'endLine': 1,
+            'endColumn': 13
+        }
+    ]
+*/
+```
+
+<!-- /.examples -->
+
+<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
+
+<section class="related">
+
+</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">
+
+[eslint-rules]: https://eslint.org/docs/developer-guide/working-with-rules
+
+</section>
+
+<!-- /.links -->

lib/node_modules/@stdlib/_tools/eslint/rules/no-builtin-big-int/examples/index.js

@@ -0,0 +1,53 @@
+/**
+* @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 Linter = require( 'eslint' ).Linter;
+var rule = require( './../lib' );
+
+var linter = new Linter();
+var code = 'var x = 123n;';
+
+linter.defineRule( 'no-builtin-big-int', rule );
+
+var results = linter.verify( code, {
+	'rules': {
+		'no-builtin-big-int': 'error'
+	},
+	'parserOptions': {
+		'ecmaVersion': 2020
+	}
+});
+console.log( results );
+
+/*
+	[
+		{
+			'ruleId': 'no-builtin-big-int',
+			'severity': 2,
+			'message': 'Using the built-in global `BigInt` literal syntax is not allowed; use `@stdlib/bigint/ctor` instead.',
+			'line': 1,
+			'column': 9,
+			'nodeType': 'Literal',
+			'source': 'var x = 123n;',
+			'endLine': 1,
+			'endColumn': 13
+		}
+	]
+*/

lib/node_modules/@stdlib/_tools/eslint/rules/no-builtin-big-int/lib/index.js

@@ -0,0 +1,39 @@
+/**
+* @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';
+
+/**
+* ESLint rule disallowing the use of the built-in global `BigInt` literal syntax and constructor.
+*
+* @module @stdlib/_tools/eslint/rules/no-builtin-big-int
+*
+* @example
+* var rule = require( '@stdlib/_tools/eslint/rules/no-builtin-big-int' );
+*
+* console.log( rule );
+*/
+
+// MODULES //
+
+var main = require( './main.js' );
+
+
+// EXPORTS //
+
+module.exports = main;