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‎CHANGELOG.md‎

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### Features
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- [`5c5dd63`](https://github.com/stdlib-js/stdlib/commit/5c5dd632d992ce0486d5df295af417435d37579b) - add `object/some-in-by`
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- [`27331ac`](https://github.com/stdlib-js/stdlib/commit/27331acd07b701a431a5efd7ccf7104f9be8c5de) - add `object/none-in-by`
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- [`9764a3e`](https://github.com/stdlib-js/stdlib/commit/9764a3e691011e9f2d957b51fc0b5766b1df9989) - add `object/every-own-by`
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- [`3c99007`](https://github.com/stdlib-js/stdlib/commit/3c99007c615b7df61d85d7d88eca7a19ee4efde4) - add `object/every-in-by`
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<details>
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- [`5c5dd63`](https://github.com/stdlib-js/stdlib/commit/5c5dd632d992ce0486d5df295af417435d37579b) - **feat:** add `object/some-in-by` _(by Neeraj Pathak)_
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- [`f436338`](https://github.com/stdlib-js/stdlib/commit/f4363380546535eacc2ab3d924ef1d40cafd182b) - **chore:** fix README lint errors _(by Neeraj Pathak)_
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- [`47f76c4`](https://github.com/stdlib-js/stdlib/commit/47f76c450e19eb90c7fa2c932b5be286951b0965) - **refactor:** update paths _(by Neeraj Pathak)_
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- [`27331ac`](https://github.com/stdlib-js/stdlib/commit/27331acd07b701a431a5efd7ccf7104f9be8c5de) - **feat:** add `object/none-in-by` _(by Neeraj Pathak)_
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- [`9764a3e`](https://github.com/stdlib-js/stdlib/commit/9764a3e691011e9f2d957b51fc0b5766b1df9989) - **feat:** add `object/every-own-by` _(by Neeraj Pathak)_
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- [`3c99007`](https://github.com/stdlib-js/stdlib/commit/3c99007c615b7df61d85d7d88eca7a19ee4efde4) - **feat:** add `object/every-in-by` _(by Neeraj Pathak)_
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‎every-in-by/README.md‎

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<section class="related">
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<!-- <related-links> -->
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[@stdlib/utils/any-in-by]: https://github.com/stdlib-js/utils-any-in-by
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[@stdlib/utils/none-in-by]: https://github.com/stdlib-js/utils-none-in-by
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[@stdlib/utils/some-in-by]: https://github.com/stdlib-js/utils-some-in-by
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[@stdlib/utils/every-by]: https://github.com/stdlib-js/utils-every-by
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[@stdlib/utils/every-own-by]: https://github.com/stdlib-js/utils-every-own-by
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<!-- </related-links> -->
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</section>
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<!-- /.links -->

‎none-in-by/README.md‎

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<!--
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@license Apache-2.0
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Copyright (c) 2024 The Stdlib Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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# noneInBy
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> Test whether every property of an object fails a test implemented by a predicate function.
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<!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
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<section class="intro">
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</section>
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<!-- /.intro -->
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<!-- Package usage documentation. -->
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<section class="usage">
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## Usage
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```javascript
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var noneInBy = require( '@stdlib/object/none-in-by' );
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```
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#### noneInBy( object, predicate\[, thisArg ] )
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Tests whether every property of an `object` fails a test implemented by a `predicate` function.
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```javascript
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function isUnderage( age ) {
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return ( age < 18 );
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}
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var obj = {
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'a': 28,
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'b': 22,
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'c': 25
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};
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var bool = noneInBy( obj, isUnderage );
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// returns true
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```
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If a `predicate` function returns a truthy value, the function **immediately** returns `false`.
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```javascript
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function isUnderage( age ) {
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return ( age < 18 );
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}
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var obj = {
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'a': 12,
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'b': 22,
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'c': 25
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};
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var bool = noneInBy( obj, isUnderage );
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// returns false
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```
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The invoked `function` is provided three agruments:
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- **value**: property value.
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- **key**: property key.
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- **object**: input object.
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To set the function execution context, provide a `thisArg`.
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```javascript
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function sum( value ) {
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if ( value < 0 ) {
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return true;
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}
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this.sum += value;
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this.count += 1;
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return false;
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}
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var obj = {
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'a': 1,
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'b': 2,
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'c': 3,
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'd': 4
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};
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var context = {
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'sum': 0,
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'count': 0
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};
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var bool = noneInBy( obj, sum, context );
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// returns true
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var mean = context.sum / context.count;
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// returns 2.5
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```
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</section>
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<!-- /.usage -->
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<!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="notes">
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## Notes
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- If the 1st argument is not an object or the second argument is not a function, the
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function throws a Type Error.
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- If provided an empty object, the function returns `true`.
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```javascript
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function truthy() {
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return true;
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}
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var bool = noneInBy( {}, truthy );
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// returns true
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```
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- The function does **not** skip `undefined` elements.
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<!-- eslint-disable no-sparse-arrays, stdlib/doctest-marker -->
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```javascript
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function log( value, index ) {
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console.log( '%s: %s', index, value );
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return false;
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}
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var obj = {
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'a': 1,
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'b': NaN,
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'c': NaN,
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'd': 4
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};
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var bool = noneInBy( arr, log );
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/* =>
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0: 1
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1: undefined
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2: undefined
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3: 4
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*/
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```
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</section>
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<!-- /.notes -->
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<!-- Package usage examples. -->
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<section class="examples">
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## Examples
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<!-- eslint no-undef: "error" -->
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```javascript
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var noneInBy = require( '@stdlib/object/none-in-by' );
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function isUnderage( age ) {
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return age < 18;
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}
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var obj = {
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'a': 26,
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'b': 20,
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'c': 25
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};
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var bool = noneInBy( obj, isUnderage );
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// returns true
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```
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</section>
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<!-- /.examples -->
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<!-- 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. -->
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<section class="references">
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</section>
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<!-- /.references -->
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<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->
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<section class="related">
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* * *
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## See Also
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- <span class="package-name">[`@stdlib/utils/any-in-by`][@stdlib/utils/any-in-by]</span><span class="delimiter">: </span><span class="description">test whether at least one property in an object passes a test implemented by a predicate function.</span>
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- <span class="package-name">[`@stdlib/object/every-in-by`][@stdlib/object/every-in-by]</span><span class="delimiter">: </span><span class="description">test whether all properties (own and inherited) of an object pass a test implemented by a predicate function.</span>
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- <span class="package-name">[`@stdlib/utils/for-in`][@stdlib/utils/for-in]</span><span class="delimiter">: </span><span class="description">invoke a function for each own and inherited enumerable property of an object.</span>
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- <span class="package-name">[`@stdlib/utils/none-by`][@stdlib/utils/none-by]</span><span class="delimiter">: </span><span class="description">test whether all elements in a collection fail a test implemented by a predicate function.</span>
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- <span class="package-name">[`@stdlib/utils/some-in-by`][@stdlib/utils/some-in-by]</span><span class="delimiter">: </span><span class="description">test whether an object contains at least n properties (own and inherited) which pass a test implemented by a predicate function.</span>
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</section>
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<!-- /.related -->
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<!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="links">
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<!-- <related-links> -->
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[@stdlib/utils/any-in-by]: https://github.com/stdlib-js/utils-any-in-by
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[@stdlib/object/every-in-by]: https://github.com/stdlib-js/object/tree/main/every-in-by
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[@stdlib/utils/for-in]: https://github.com/stdlib-js/utils-for-in
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[@stdlib/utils/none-by]: https://github.com/stdlib-js/utils-none-by
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[@stdlib/utils/some-in-by]: https://github.com/stdlib-js/utils-some-in-by
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<!-- </related-links> -->
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</section>
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<!-- /.links -->

‎none-in-by/benchmark/benchmark.js‎

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/**
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* @license Apache-2.0
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*
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* Copyright (c) 2024 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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// MODULES //
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var bench = require( '@stdlib/bench' );
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var isBoolean = require( '@stdlib/assert/is-boolean' ).isPrimitive;
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var isnan = require( '@stdlib/math/base/assert/is-nan' );
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var pkg = require( './../package.json' ).name;
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var noneInBy = require( './../lib' );
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// MAIN //
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bench( pkg, function benchmark( b ) {
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var bool;
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var obj;
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var i;
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function predicate( v ) {
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return isnan( v );
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}
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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obj = {
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'a': i,
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'b': i + 1,
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'c': i + 2,
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'd': i + 3,
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'e': i + 4
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};
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bool = noneInBy( obj, predicate );
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if ( typeof bool !== 'boolean' ) {
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b.fail( 'should return a boolean' );
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}
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}
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b.toc();
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if ( !isBoolean( bool ) ) {
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b.fail( 'should return a boolean' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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});
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bench( pkg+'::for-in-loop', function benchmark( b ) {
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var bool;
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var obj;
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var key;
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var i;
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b.tic();
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for ( i = 0; i < b.iterations; i++ ) {
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obj = {
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'a': i,
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'b': i + 1,
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'c': i + 2,
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'd': i + 3,
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'e': i + 4
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};
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bool = true;
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for ( key in obj ) {
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if ( isnan( obj[key] ) ) {
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bool = false;
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break;
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}
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}
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if ( typeof bool !== 'boolean' ) {
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b.fail( 'should return a boolean' );
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}
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}
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b.toc();
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if ( !isBoolean( bool ) ) {
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b.fail( 'should return a boolean' );
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}
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b.pass( 'benchmark finished' );
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b.end();
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});

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