feat: add assert/has-to-primitive-symbol-support

lib/node_modules/@stdlib/assert/has-to-primitive-symbol-support/README.md

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+<!--
+
+@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.
+
+-->
+
+# ToPrimitive Symbol Support
+
+> Detect native [`Symbol.toPrimitive`][mdn-to-primitive-symbol] support.
+
+<section class="usage">
+
+## Usage
+
+<!-- eslint-disable id-length -->
+
+```javascript
+var hasToPrimitiveSymbolSupport = require( '@stdlib/assert/has-to-primitive-symbol-support' );
+```
+
+#### hasToPrimitiveSymbolSupport()
+
+Detects if a runtime environment supports [`Symbol.toPrimitive`][mdn-to-primitive-symbol].
+
+<!-- eslint-disable id-length -->
+
+```javascript
+var bool = hasToPrimitiveSymbolSupport();
+// returns <boolean>
+```
+
+</section>
+
+<!-- /.usage -->
+
+<section class="examples">
+
+## Examples
+
+<!-- eslint-disable id-length -->
+
+<!-- eslint no-undef: "error" -->
+
+```javascript
+var hasToPrimitiveSymbolSupport = require( '@stdlib/assert/has-to-primitive-symbol-support' );
+
+var bool = hasToPrimitiveSymbolSupport();
+if ( bool ) {
+  console.log( 'Environment has Symbol.toPrimitive support.' );
+} else {
+  console.log( 'Environment lacks Symbol.toPrimitive support.' );
+}
+```
+
+</section>
+
+<!-- /.examples -->
+
+* * *
+
+<section class="cli">
+
+## CLI
+
+<section class="usage">
+
+### Usage
+
+```text
+Usage: has-to-primitive-symbol-support [options]
+
+Options:
+
+  -h,    --help                Print this message.
+  -V,    --version             Print the package version.
+```
+
+</section>
+
+<!-- /.usage -->
+
+<section class="examples">
+
+### Examples
+
+```bash
+$ has-to-primitive-symbol-support
+<boolean>
+```
+
+</section>
+
+<!-- /.examples -->
+
+</section>
+
+<!-- /.cli -->
+
+<!-- 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">
+
+[mdn-to-primitive-symbol]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol/toPrimitive
+
+</section>
+
+<!-- /.links -->

lib/node_modules/@stdlib/assert/has-to-primitive-symbol-support/benchmark/benchmark.js

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+/**
+* @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 isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
+var pkg = require( './../package.json' ).name;
+var hasToPrimitiveSymbolSupport = require( './../lib' ); // eslint-disable-line id-length
+
+
+// MAIN //
+
+bench( pkg, function benchmark( b ) {
+	var bool;
+	var i;
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		// Note: the following *could* be optimized away via loop-invariant code motion. If so, the entire loop will disappear.
+		bool = hasToPrimitiveSymbolSupport();
+		if ( typeof bool !== 'boolean' ) {
+			b.fail( 'should return a boolean' );
+		}
+	}
+	b.toc();
+	if ( !isBoolean( bool ) ) {
+		b.fail( 'should return a boolean' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});

lib/node_modules/@stdlib/assert/has-to-primitive-symbol-support/bin/cli

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+#!/usr/bin/env node
+
+/**
+* @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 resolve = require( 'path' ).resolve;
+var readFileSync = require( '@stdlib/fs/read-file' ).sync;
+var CLI = require( '@stdlib/cli/ctor' );
+var detect = require( './../lib' );
+
+
+// MAIN //
+
+/**
+* Main execution sequence.
+*
+* @private
+*/
+function main() {
+	var flags;
+	var cli;
+
+	// Create a command-line interface:
+	cli = new CLI({
+		'pkg': require( './../package.json' ),
+		'options': require( './../etc/cli_opts.json' ),
+		'help': readFileSync( resolve( __dirname, '..', 'docs', 'usage.txt' ), {
+			'encoding': 'utf8'
+		})
+	});
+
+	// Get any provided command-line options:
+	flags = cli.flags();
+	if ( flags.help || flags.version ) {
+		return;
+	}
+
+	console.log( detect() ); // eslint-disable-line no-console
+}
+
+main();

lib/node_modules/@stdlib/assert/has-to-primitive-symbol-support/docs/repl.txt

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+
+{{alias}}()
+    Tests for native `Symbol.toPrimitive` support.
+
+    Returns
+    -------
+    bool: boolean
+        Boolean indicating if an environment has native `Symbol.toPrimitive`
+        support.
+
+    Examples
+    --------
+    > var bool = {{alias}}()
+    <boolean>
+
+    See Also
+    --------
+

lib/node_modules/@stdlib/assert/has-to-primitive-symbol-support/docs/types/index.d.ts

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+/*
+* @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
+
+/**
+* Tests for native `Symbol.isConcatSpreadable` support.
+*
+* @returns boolean indicating if an environment has `Symbol.isConcatSpreadable` support
+*
+* @example
+* var bool = hasIsConcatSpreadableSymbolSupport();
+* // returns <boolean>
+*/
+declare function hasIsConcatSpreadableSymbolSupport(): boolean;
+
+
+// EXPORTS //
+
+export = hasIsConcatSpreadableSymbolSupport;

lib/node_modules/@stdlib/assert/has-to-primitive-symbol-support/docs/types/test.ts

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+/*
+* @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 hasIsConcatSpreadableSymbolSupport = require( './index' );
+
+
+// TESTS //
+
+// The function returns a boolean...
+{
+	hasIsConcatSpreadableSymbolSupport(); // $ExpectType boolean
+}
+
+// The compiler throws an error if the function is provided arguments...
+{
+	hasIsConcatSpreadableSymbolSupport( true ); // $ExpectError
+	hasIsConcatSpreadableSymbolSupport( [], 123 ); // $ExpectError
+}

lib/node_modules/@stdlib/assert/has-to-primitive-symbol-support/docs/usage.txt

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+
+Usage: has-to-primitive-symbol-support [options]
+
+Options:
+
+  -h,    --help                Print this message.
+  -V,    --version             Print the package version.
+

lib/node_modules/@stdlib/assert/has-to-primitive-symbol-support/etc/cli_opts.json

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+{
+	"boolean": [
+		"help",
+		"version"
+	],
+	"alias": {
+		"help": [
+			"h"
+		],
+		"version": [
+			"V"
+		]
+	}
+}

lib/node_modules/@stdlib/assert/has-to-primitive-symbol-support/examples/index.js

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+/**
+* @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 hasIsConcatSpreadableSymbolSupport = require( './../lib' ); // eslint-disable-line id-length
+
+var bool = hasIsConcatSpreadableSymbolSupport();
+if ( bool ) {
+	console.log( 'Environment has Symbol.isConcatSpreadable support.' );
+} else {
+	console.log( 'Environment lacks Symbol.isConcatSpreadable support.' );
+}