feat: add slice/base/shape

lib/node_modules/@stdlib/slice/base/shape/README.md

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+<!--
+
+@license Apache-2.0
+
+Copyright (c) 2023 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.
+
+-->
+
+# sliceShape
+
+> Compute the shape of a [normalized multi-slice][@stdlib/slice/base/normalize-multi-slice].
+
+<!-- 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 sliceShape = require( '@stdlib/slice/base/shape' );
+```
+
+<a name="main"></a>
+
+#### sliceShape( slice )
+
+Returns the shape of a [normalized multi-slice][@stdlib/slice/base/normalize-multi-slice].
+
+<!-- eslint-disable new-cap -->
+
+```javascript
+var S = require( '@stdlib/slice/ctor' );
+var MultiSlice = require( '@stdlib/slice/multi' );
+var normalizeMultiSlice = require( '@stdlib/slice/base/normalize-multi-slice' );
+
+var s = new MultiSlice( S( -4, null, -1 ), S( 2, 10, 1 ) );
+// returns <MultiSlice>
+
+s = normalizeMultiSlice( s, [ 10, 10 ], false );
+// returns <MultiSlice>
+
+var sh = sliceShape( s );
+// returns [ 7, 8 ]
+```
+
+</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">
+
+</section>
+
+<!-- /.notes -->
+
+<!-- Package usage examples. -->
+
+<section class="examples">
+
+## Examples
+
+<!-- eslint no-undef: "error" -->
+
+<!-- eslint-disable new-cap -->
+
+```javascript
+var S = require( '@stdlib/slice/ctor' );
+var MultiSlice = require( '@stdlib/slice/multi' );
+var normalizeMultiSlice = require( '@stdlib/slice/base/normalize-multi-slice' );
+var sliceShape = require( '@stdlib/slice/base/shape' );
+
+var s1 = new MultiSlice( S( 3, null, -1 ), S( 3, 7, 1 ) );
+var s2 = normalizeMultiSlice( s1, [ 10, 10 ], false );
+var sh = sliceShape( s2 );
+console.log( '%s => %s', s1.toString(), s2.toString() );
+console.log( '[ %s ]', sh.join( ', ' ) );
+// => '[ 4, 4 ]'
+
+s1 = new MultiSlice( null, S( -1, -8, -2 ) );
+s2 = normalizeMultiSlice( s1, [ 11, 12 ], false );
+sh = sliceShape( s2 );
+console.log( '%s => %s', s1.toString(), s2.toString() );
+console.log( '[ %s ]', sh.join( ', ' ) );
+// => '[ 11, 4 ]'
+
+s1 = new MultiSlice( S( null, null, 1 ), null );
+s2 = normalizeMultiSlice( s1, [ 11, 12 ], false );
+sh = sliceShape( s2 );
+console.log( '%s => %s', s1.toString(), s2.toString() );
+console.log( '[ %s ]', sh.join( ', ' ) );
+// => '[ 11, 12 ]'
+
+s1 = new MultiSlice( S( 5, 5, 1 ), null );
+s2 = normalizeMultiSlice( s1, [ 11, 12 ], false );
+sh = sliceShape( s2 );
+console.log( '%s => %s', s1.toString(), s2.toString() );
+console.log( '[ %s ]', sh.join( ', ' ) );
+// => '[ 0, 12 ]'
+
+s1 = new MultiSlice( S( 5, 5, 1 ), S( 3, 3, 1 ) );
+s2 = normalizeMultiSlice( s1, [ 10, 10 ], false );
+sh = sliceShape( s2 );
+console.log( '%s => %s', s1.toString(), s2.toString() );
+console.log( '[ %s ]', sh.join( ', ' ) );
+// => '[ 0, 0 ]'
+```
+
+</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">
+
+[@stdlib/slice/base/normalize-multi-slice]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/slice/base/normalize-multi-slice
+
+</section>
+
+<!-- /.links -->