feat: add utils/some-own-by

lib/node_modules/@stdlib/utils/some-own-by/README.md

@@ -0,0 +1,238 @@
+<!--
+
+@license Apache-2.0
+
+Copyright (c) 2024 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.
+
+-->
+
+# someOwnBy
+
+> Test whether an object contains at least `n` own properties which pass a test implemented by a predicate function.
+
+<!-- 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 someOwnBy = require( '@stdlib/utils/some-own-by' );
+```
+
+#### someOwnBy( obj, n, predicate\[, thisArg ] )
+
+Tests whether an `object` contains at least `n` own properties which pass a test implemented by a `predicate` function.
+
+```javascript
+function isNegative( value ) {
+    return ( value < 0 );
+}
+
+var obj = {
+    'a': 1,
+    'b': -2,
+    'c': 3,
+    'd': -1
+};
+
+var bool = someOwnBy( obj, 2, isNegative );
+// returns true
+```
+
+Once the function finds `n` successful properties, the function **immediately** returns `true`.
+
+```javascript
+function isPositive( value ) {
+    if ( value < 0 ) {
+        throw new Error( 'should never reach this line' );
+    }
+    return ( value > 0 );
+}
+
+var obj = {
+    'a': 1,
+    'b': 2,
+    'c': -3,
+    'd': 4
+};
+
+var bool = someOwnBy( obj, 2, isPositive );
+// returns true
+```
+
+The invoked `function` is provided three arguments:
+
+-   `value`: object property value
+-   `key`: object property key
+-   `obj`: input object
+
+To set the function execution context, provide a `thisArg`.
+
+```javascript
+function sum( value ) {
+    this.sum += value;
+    this.count += 1;
+    return ( value < 0 );
+}
+
+var obj = {
+    'a': 1,
+    'b': 2,
+    'c': 3,
+    'd': -5
+};
+
+var context = {
+    'sum': 0,
+    'count': 0
+};
+
+var bool = someOwnBy( obj, 1, sum, context );
+// returns true
+
+var mean = context.sum / context.count;
+// returns 0.25
+```
+
+</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
+
+-   An [`Object`][mdn-object] refers to a JavaScript object, which is a collection of properties. Each property is an association between a key (or name) and a value. The key can be a string or a symbol, and the value can be any JavaScript value, including functions and other objects
+
+-   If provided an empty `object`, the function returns `false`.
+
+    ```javascript
+    function alwaysTrue() {
+        return true;
+    }
+    var bool = someOwnBy( {}, 1, alwaysTrue );
+    // returns false
+    ```
+
+-   The function does **not** skip `undefined` elements.
+
+    <!-- eslint-disable no-sparse-arrays, stdlib/doctest-marker -->
+
+    ```javascript
+    function log( value, key ) {
+        console.log( '%s: %s', key, value );
+        return ( value < 0 );
+    }
+
+    var obj = {
+        'a': 1,
+        'b': void 0,
+        'c': void 0,
+        'd': 4,
+        'e': -1
+    };
+
+    var bool = someOwnBy( obj, 1, log );
+    /* =>
+        a: 1
+        b: void 0
+        c: void 0
+        d: 4
+        e: -1
+    */
+    ```
+
+-   The function provides limited support for dynamic objects (i.e., objects whose `length` changes during execution).
+
+</section>
+
+<!-- /.notes -->
+
+<!-- Package usage examples. -->
+
+<section class="examples">
+
+## Examples
+
+<!-- eslint no-undef: "error" -->
+
+```javascript
+var randu = require( '@stdlib/random/base/randu' );
+var someOwnBy = require( '@stdlib/utils/some-own-by' );
+
+function threshold( value ) {
+    return ( value > 0.95 );
+}
+
+var bool;
+var obj = {};
+var i;
+
+for ( i = 0; i < 100; i++ ) {
+    obj[ 'key'+i ] = randu();
+}
+
+bool = someOwnBy( obj, 5, threshold );
+// returns <boolean>
+```
+
+</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">
+
+* * *
+
+## See Also
+
+</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-object]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object
+
+<!-- <related-links> -->
+
+<!-- </related-links> -->
+
+</section>
+
+<!-- /.links -->

lib/node_modules/@stdlib/utils/some-own-by/benchmark/benchmark.js

@@ -0,0 +1,109 @@
+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2024 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 isnan = require( '@stdlib/math/base/assert/is-nan' );
+var pkg = require( './../package.json' ).name;
+var someOwnBy = require( './../lib' );
+
+
+// MAIN //
+
+bench( pkg, function benchmark( b ) {
+	var bool;
+	var obj;
+	var i;
+
+	function predicate( v ) {
+		return isnan( v );
+	}
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		obj = {
+			'a': i,
+			'b': i+1,
+			'c': i+2,
+			'd': NaN,
+			'e': i+4,
+			'f': NaN
+		};
+		bool = someOwnBy( obj, 2, predicate );
+		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();
+});
+
+bench( pkg+'::loop', function benchmark( b ) {
+	var total;
+	var count;
+	var bool;
+	var keys;
+	var obj;
+	var key;
+	var i;
+	var j;
+
+	total = 2;
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		obj = {
+			'a': i,
+			'b': i+1,
+			'c': i+2,
+			'd': NaN,
+			'e': i+4,
+			'f': NaN
+		};
+		bool = false;
+		count = 0;
+		keys = Object.keys( obj );
+		for ( j = 0; j < keys.length; j++ ) {
+			key = keys[ j ];
+			if ( isnan( obj[ key ] ) ) {
+				count += 1;
+				if ( count === total ) {
+					bool = true;
+					break;
+				}
+			}
+		}
+		if ( typeof bool !== 'boolean' ) {
+			b.fail( 'should return a boolean' );
+		}
+	}
+	b.toc();
+	if ( !isBoolean( bool ) ) {
+		b.fail( 'should be a boolean' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});

lib/node_modules/@stdlib/utils/some-own-by/docs/repl.txt

@@ -0,0 +1,45 @@
+
+{{alias}}( obj, n, predicate[, thisArg ] )
+    Tests whether some `own` properties of a provided object
+    satisfy a predicate function for at least `n` properties.
+
+    The predicate function is provided three arguments:
+
+    - `value`: object value
+    - `key`: object key
+    - `obj`: the input object
+
+    The function immediately returns upon finding `n` successful properties.
+
+    If provided an empty object, the function returns `false`.
+
+    Parameters
+    ----------
+    obj: Object
+        Input object over which to iterate.
+
+    n: number
+        Minimum number of successful properties.
+
+    predicate: Function
+        Test function.
+
+    thisArg: any (optional)
+        Execution context.
+
+    Returns
+    -------
+    bool: boolean
+        The function returns `true` if an object's own properties satisfy a 
+        predicate for at least `n` properties; otherwise, the function 
+        returns `false`.
+
+    Examples
+    --------
+    > function negative( v ) { return ( v < 0 ); };
+    > var obj = { a: 1, b: 2, c: -3, d: 4, e: -1 };
+    > var bool = {{alias}}( obj, 2, negative )
+    true
+
+    See Also
+    --------