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…isRaggedNestedArray' (assert/is-ragged-nested-array)

Add support for checking if array-like objects are ragged and nested.

Fixes: stdlib-js#1347
Issue Link: stdlib-js#1347
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performant23 committed Feb 24, 2024
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120 changes: 120 additions & 0 deletions lib/node_modules/@stdlib/assert/is-ragged-nested-array/README.md
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<!--
@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.
-->

# isRaggedNestedArray

> Test if a value is a ragged nested array.
<section class="usage">

## Usage

```javascript
var isRaggedNestedArray = require( '@stdlib/assert/is-ragged-nested-array' );
```

#### isRaggedNestedArray( value )

Tests if a value is a ragged nested array. A ragged nested array is a nested array having inner dimensions of varying lengths.

```javascript
var bool = isRaggedNestedArray( [ [1, 2, 3], [4, 5] ] );
// returns true

bool = isRaggedNestedArray( [ [1, 2, 3], [4, 5, 6] ] );
// returns false
```

</section>

<!-- /.usage -->

<section class="examples">

## Examples

<!-- eslint-disable object-curly-newline, object-curly-spacing, no-empty-function, no-restricted-syntax -->

<!-- eslint no-undef: "error" -->

```javascript
var isRaggedNestedArray = require( '@stdlib/assert/is-ragged-nested-array' );

var bool = isRaggedNestedArray( [ [1, 2, 3], [4, 5] ] );
// returns true

bool = isRaggedNestedArray( [ [1, 2, 3], [4, 5, 6] ] );
// returns false

bool = isRaggedNestedArray( 'beep' );
// returns false

bool = isRaggedNestedArray( null );
// returns false

bool = isRaggedNestedArray( void 0 );
// returns false

bool = isRaggedNestedArray( 5 );
// returns false

bool = isRaggedNestedArray( true );
// returns false

bool = isRaggedNestedArray( {} );
// returns false

bool = isRaggedNestedArray( function noop() {} );
// returns false
```

</section>

<!-- /.examples -->

<!-- Section for related `stdlib` packages. Do not manually edit this section, as it is automatically populated. -->

<section class="related">

* * *

## See Also

- <span class="package-name">[`@stdlib/assert/is-array`][@stdlib/assert/is-array]</span><span class="delimiter">: </span><span class="description">test if a value is an array.</span>
- <span class="package-name">[`@stdlib/assert/is-array-like-object`][@stdlib/assert/is-array-like-object]</span><span class="delimiter">: </span><span class="description">test if a value is an array-like object.</span>

</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">
<!-- <related-links> -->

[@stdlib/assert/is-array-like-object]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/assert/is-array-like-object

[@stdlib/assert/is-array]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/assert/is-array

<!-- </related-links> -->

</section>

<!-- /.links -->
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/**
* @license Apache-2.0
*
* Copyright (c) 2018 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 pkg = require( './../package.json' ).name;
var isRaggedNestedArray = require( './../lib' );


// MAIN //

bench( pkg+'::ragged_array', function benchmark( b ) {
var bool;
var arr;
var i;

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
arr = [ [1, 2, 3], [4, 5] ];
bool = isRaggedNestedArray( arr );
if ( typeof bool !== 'boolean' ) {
b.fail( 'should return a boolean' );
}
}
b.toc();
if ( !bool ) {
b.fail( 'should return true' );
}
b.pass( 'benchmark finished' );
b.end();
});

bench( pkg+'::non_ragged_array', function benchmark( b ) {
var bool;
var arr;
var i;

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
arr = [ [1, 2, 3], [4, 5, 6] ];
bool = isRaggedNestedArray( arr );
if ( typeof bool !== 'boolean' ) {
b.fail( 'should return a boolean' );
}
}
b.toc();
if ( bool ) {
b.fail( 'should return false' );
}
b.pass( 'benchmark finished' );
b.end();
});

bench( pkg+'::non_array', function benchmark( b ) {
var bool;
var val;
var i;

b.tic();
for ( i = 0; i < b.iterations; i++ ) {
val = 'beep';
bool = isRaggedNestedArray( val );
if ( typeof bool !== 'boolean' ) {
b.fail( 'should return a boolean' );
}
}
b.toc();
if ( bool ) {
b.fail( 'should return false' );
}
b.pass( 'benchmark finished' );
b.end();
});
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{{alias}}( value )
Tests if a value is a ragged nested array. A ragged nested array is a nested
array having inner dimensions of varying lengths. This function supports
two-dimensional nested arrays and uses isArrayLikeObject to check if a value
is an array-like object.

Parameters
----------
value: any
Value to test.

Returns
-------
bool: boolean
Boolean indicating whether a value is a ragged nested array.

Examples
--------
> var bool = {{alias}}( [ [1, 2, 3], [4, 5] ] )
true
> bool = {{alias}}( [ [1, 2, 3], [4, 5, 6] ] )
false
> bool = {{alias}}( 'beep' )
false

See Also
--------
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/*
* @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.
*/

// TypeScript Version: 4.1

/**
* Tests if a value is a ragged nested array.
*
* @param value - value to test
* @returns boolean indicating if a value is a ragged nested array
*
* @example
* var bool = isRaggedNestedArray( [ [1, 2, 3], [4, 5] ] );
* // returns true
*
* @example
* var bool = isRaggedNestedArray( [ [1, 2, 3], [4, 5, 6] ] );
* // returns false
*
* @example
* var bool = isRaggedNestedArray( 'beep' );
* // returns false
*/
declare function isRaggedNestedArray( value: any ): value is ArrayLike<any>;


// EXPORTS //

export = isRaggedNestedArray;
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/*
* @license Apache-2.0
*
* Copyright (c) 2019 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 isRaggedNestedArray = require( './index' );

// TESTS //

// The function returns a boolean...
{
isRaggedNestedArray( [ [1, 2, 3], [4, 5] ] ); // $ExpectType boolean
isRaggedNestedArray( [ [1, 2, 3], [4, 5, 6] ] ); // $ExpectType boolean
isRaggedNestedArray( 'beep' ); // $ExpectType boolean
}

// The compiler throws an error if the function is provided an unsupported number of arguments...
{
isRaggedNestedArray(); // $ExpectError
isRaggedNestedArray( [], 123 ); // $ExpectError
}
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/**
* @license Apache-2.0
*
* Copyright (c) 2018 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 no-empty-function, no-restricted-syntax */

'use strict';

var isRaggedNestedArray = require( './../lib' );

console.log( isRaggedNestedArray( [ [1, 2, 3], [4, 5] ] ) );
// => true

console.log( isRaggedNestedArray( [ [1, 2, 3], [4, 5, 6] ] ) );
// => false

console.log( isRaggedNestedArray( 'beep' ) );
// => false

console.log( isRaggedNestedArray( null ) );
// => false

console.log( isRaggedNestedArray( void 0 ) );
// => false

console.log( isRaggedNestedArray( 5 ) );
// => false

console.log( isRaggedNestedArray( true ) );
// => false

console.log( isRaggedNestedArray( {} ) );
// => false

console.log( isRaggedNestedArray( function noop() {} ) );
// => false
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