feat: add symbol/search

lib/node_modules/@stdlib/symbol/search/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.
+
+-->
+
+# SearchSymbol
+
+> Search [symbol][mdn-symbol] used to used to determine the index within a string that matches the current object.
+
+<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
+
+<section class="intro">
+
+</section>
+
+<!-- /.intro -->
+
+<!-- Package usage documentation. -->
+
+<section class="usage">
+
+## Usage
+
+```javascript
+var SearchSymbol = require( '@stdlib/symbol/search' );
+```
+
+#### SearchSymbol
+
+Search [`symbol`][mdn-symbol] which is used to determine the index within a string that matches the current object.
+
+```javascript
+var s = typeof SearchSymbol;
+// e.g., returns 'symbol'
+```
+
+</section>
+
+<!-- /.usage -->
+
+<!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="notes">
+
+## Notes
+
+-   The [symbol][mdn-symbol] is only supported in environments which support [symbols][mdn-symbol]. In non-supporting environments, the value is `null`.
+
+</section>
+
+<!-- /.notes -->
+
+<!-- Package usage examples. -->
+
+<section class="examples">
+
+## Examples
+
+<!-- eslint no-undef: "error" -->
+
+```javascript
+var SearchSymbol = require( '@stdlib/symbol/search' );
+
+function searcher() {
+    var obj = {};
+
+    if ( SearchSymbol ) {
+        // Define custom search behavior:
+        obj[ SearchSymbol ] = search;
+    }
+    return obj;
+}
+
+function search( str ) {
+    // Return the index of substring 'foo':
+    return str.indexOf( 'foo' );
+}
+
+var obj = searcher();
+var str = 'foobar';
+var result = str.search( obj );
+
+console.log( result );
+// => 0
+
+str = 'barfoo';
+result = str.search( obj );
+
+console.log( result );
+// => 3
+```
+
+</section>
+
+<!-- /.examples -->
+
+<!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
+
+<section class="references">
+
+</section>
+
+<!-- /.references -->
+
+<!-- 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-symbol]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Symbol
+
+</section>
+
+<!-- /.links -->

lib/node_modules/@stdlib/symbol/search/docs/repl.txt

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+
+{{alias}}
+    Has instance symbol.
+
+    This symbol is used to determine whether a constructor object recognizes an
+    object as its instance.
+
+    The symbol is only supported in ES6/ES2015+ environments. For non-supporting
+    environments, the value is `null`.
+
+    Examples
+    --------
+    > var s = {{alias}}
+    e.g., <symbol>
+
+    See Also
+    --------
+

lib/node_modules/@stdlib/symbol/search/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
+
+// EXPORTS //
+
+/**
+* Search symbol.
+*
+* ## Notes
+*
+* -   This symbol is used to determine the index within a string that matches the current object.
+* -   The symbol is only supported in ES6/ES2015+ environments. For non-supporting environments, the value is `null`.
+*/
+export = Symbol.search;

lib/node_modules/@stdlib/symbol/search/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.
+*/
+
+/* eslint-disable @typescript-eslint/no-unused-expressions */
+
+import Search = require( './index' );
+
+
+// TESTS //
+
+// The exported value is the `search` symbol...
+{
+	Search;
+}

lib/node_modules/@stdlib/symbol/search/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 SearchSymbol = require( './../lib' );
+
+function searcher() {
+	var obj = {};
+
+	if ( SearchSymbol ) {
+		// Define custom search behavior:
+		obj[ SearchSymbol ] = search;
+	}
+	return obj;
+}
+
+function search( str ) {
+	// Return the index of substring 'foo':
+	return str.indexOf( 'foo' );
+}
+
+var obj = searcher();
+var str = 'foobar';
+var result = str.search( obj );
+
+console.log( result );
+// => 0
+
+str = 'barfoo';
+result = str.search( obj );
+
+console.log( result );

lib/node_modules/@stdlib/symbol/search/lib/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';
+
+/**
+* Symbol used to determine the index within a string that matches the current object.
+*
+* @module @stdlib/symbol/search
+*
+* @example
+* var SearchSymbol = require( '@stdlib/symbol/search' );
+*
+* function searcher() {
+*     var obj = {};
+*     obj[ SearchSymbol ] = function search( str ) {
+*         // Return the index of substring 'foo':
+*         return str.indexOf( 'foo' );
+*     };
+*     return obj;
+* }
+*
+* var obj = searcher();
+* var str = 'foobar';
+*
+* var result = str.search( obj );
+* // returns 0
+*/
+
+// MAIN //
+
+var main = require( './main.js' );
+
+
+// EXPORTS //
+
+module.exports = main;

lib/node_modules/@stdlib/symbol/search/lib/main.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 hasSearchSymbolSupport = require( '@stdlib/assert/has-search-symbol-support' );
+
+
+// MAIN //
+
+/**
+* Has instance symbol.
+*
+* @name SearchSymbol
+* @constant
+* @type {(symbol|null)}
+*
+* @example
+* var SearchSymbol = require( '@stdlib/symbol/search' );
+*
+* function searcher() {
+*     var obj = {};
+*     obj[ SearchSymbol ] = function search( str ) {
+*         // Return the index of substring 'foo':
+*         return str.indexOf( 'foo' );
+*     };
+*     return obj;
+* }
+*
+* var obj = searcher();
+* var str = 'foobar';
+*
+* var result = str.search( obj );
+* // returns 0
+*/
+var SearchSymbol = ( hasSearchSymbolSupport() ) ? Symbol.search : null;
+
+
+// EXPORTS //
+
+module.exports = SearchSymbol;