diff --git a/base/lib/index.js b/base/lib/index.js
index a17bbd89..60f3f48d 100644
--- a/base/lib/index.js
+++ b/base/lib/index.js
@@ -499,6 +499,15 @@ setReadOnly( ns, 'removeSingletonDimensions', require( './../../base/remove-sing
*/
setReadOnly( ns, 'serializeMetaData', require( './../../base/serialize-meta-data' ) );
+/**
+* @name shape
+* @memberof ns
+* @readonly
+* @type {Function}
+* @see {@link module:@stdlib/ndarray/base/shape}
+*/
+setReadOnly( ns, 'shape', require( './../../base/shape' ) );
+
/**
* @name shape2strides
* @memberof ns
diff --git a/base/shape/README.md b/base/shape/README.md
new file mode 100644
index 00000000..0f172957
--- /dev/null
+++ b/base/shape/README.md
@@ -0,0 +1,160 @@
+
+
+# shape
+
+> Return the shape of a provided [ndarray][@stdlib/ndarray/base/ctor].
+
+
+
+
+
+
+
+
+
+
+
+## Usage
+
+```javascript
+var shape = require( '@stdlib/ndarray/base/shape' );
+```
+
+#### shape( x, copy )
+
+Returns the shape of a provided [ndarray][@stdlib/ndarray/base/ctor].
+
+```javascript
+var zeros = require( '@stdlib/ndarray/zeros' );
+
+var x = zeros( [ 3, 2, 3 ] );
+// returns
+
+var sh = shape( x, false );
+// returns [ 3, 2, 3 ]
+```
+
+When `copy` is `false`, changes to the returned shape array may mutate the input [ndarray][@stdlib/ndarray/base/ctor] shape. If there is a chance that the returned shape will be mutated (either directly or by downstream consumers), set `copy` to `true` to prevent unintended side effects.
+
+```javascript
+var zeros = require( '@stdlib/ndarray/zeros' );
+
+var x = zeros( [ 3, 2, 3 ] );
+// returns
+
+var sh = shape( x, true );
+// returns [ 3, 2, 3 ]
+
+var bool = ( x.shape === sh );
+// returns false
+```
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+## Examples
+
+
+
+
+
+```javascript
+var zeros = require( '@stdlib/ndarray/zeros' );
+var slice = require( '@stdlib/ndarray/slice' );
+var E = require( '@stdlib/slice/multi' );
+var S = require( '@stdlib/slice/ctor' );
+var shape = require( '@stdlib/ndarray/base/shape' );
+
+// Create an array:
+var x = zeros( [ 10, 10, 10, 10 ] );
+// returns
+
+// Define some slices:
+var slices = [
+ // :,:,:,:
+ E( null, null, null, null ),
+
+ // 5:10,4,2:4,::-1
+ E( S( 5, 10 ), 4, S( 2, 4 ), S( null, null, -1 ) ),
+
+ // :,:,2,:
+ E( null, null, 2, null ),
+
+ // 1,2,3,:
+ E( 1, 2, 3, null ),
+
+ // 1,3,::2,4::2
+ E( 1, 3, S( null, null, 2 ), S( 4, null, 2 ) )
+];
+
+// Determine the shape of each slice...
+var s;
+var i;
+for ( i = 0; i < slices.length; i++ ) {
+ s = slice( x, slices[ i ] );
+ console.log( 'slice(%s) => %s', x.shape.join( 'x' ), shape( s, false ).join( 'x' ) );
+}
+```
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+[@stdlib/ndarray/base/ctor]: https://github.com/stdlib-js/ndarray/tree/main/base/ctor
+
+
+
+
diff --git a/base/shape/benchmark/benchmark.js b/base/shape/benchmark/benchmark.js
new file mode 100644
index 00000000..a0eeb3d4
--- /dev/null
+++ b/base/shape/benchmark/benchmark.js
@@ -0,0 +1,82 @@
+/**
+* @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.
+*/
+
+'use strict';
+
+// MODULES //
+
+var bench = require( '@stdlib/bench' );
+var zeros = require( './../../../zeros' );
+var isCollection = require( '@stdlib/assert/is-collection' );
+var pkg = require( './../package.json' ).name;
+var shape = require( './../lib' );
+
+
+// MAIN //
+
+bench( pkg+':copy=false', function benchmark( b ) {
+ var values;
+ var out;
+ var i;
+
+ values = [
+ zeros( [ 10, 10, 10, 1 ] ),
+ zeros( [ 5, 5, 5, 1, 1 ] ),
+ zeros( [ 3, 4, 5 ] )
+ ];
+
+ b.tic();
+ for ( i = 0; i < b.iterations; i++ ) {
+ out = shape( values[ i%values.length ], false );
+ if ( typeof out !== 'object' ) {
+ b.fail( 'should return an array' );
+ }
+ }
+ b.toc();
+ if ( !isCollection( out ) ) {
+ b.fail( 'should return an array' );
+ }
+ b.pass( 'benchmark finished' );
+ b.end();
+});
+
+bench( pkg+':copy=true', function benchmark( b ) {
+ var values;
+ var out;
+ var i;
+
+ values = [
+ zeros( [ 10, 10, 10, 1 ] ),
+ zeros( [ 5, 5, 5, 1, 1 ] ),
+ zeros( [ 3, 4, 5 ] )
+ ];
+
+ b.tic();
+ for ( i = 0; i < b.iterations; i++ ) {
+ out = shape( values[ i%values.length ], true );
+ if ( typeof out !== 'object' ) {
+ b.fail( 'should return an array' );
+ }
+ }
+ b.toc();
+ if ( !isCollection( out ) ) {
+ b.fail( 'should return an array' );
+ }
+ b.pass( 'benchmark finished' );
+ b.end();
+});
diff --git a/base/shape/docs/repl.txt b/base/shape/docs/repl.txt
new file mode 100644
index 00000000..bd37dd07
--- /dev/null
+++ b/base/shape/docs/repl.txt
@@ -0,0 +1,30 @@
+
+{{alias}}( x, copy )
+ Returns the shape of a provided ndarray.
+
+ Parameters
+ ----------
+ x: ndarray
+ Input ndarray.
+
+ copy: boolean
+ Boolean indicating whether to explicitly copy the value assigned to the
+ input ndarray's `shape` property. When `copy` is `false`, changes to the
+ returned shape array may mutate the input ndarray shape. If there is a
+ chance that the returned shape will be mutated (either directly or by
+ downstream consumers), set `copy` to `true` to prevent unintended side
+ effects.
+
+ Returns
+ -------
+ out: Array
+ Shape.
+
+ Examples
+ --------
+ > var out = {{alias}}( {{alias:@stdlib/ndarray/zeros}}( [ 3, 3, 3 ] ), false )
+ [ 3, 3, 3 ]
+
+ See Also
+ --------
+
diff --git a/base/shape/docs/types/index.d.ts b/base/shape/docs/types/index.d.ts
new file mode 100644
index 00000000..1d011d6f
--- /dev/null
+++ b/base/shape/docs/types/index.d.ts
@@ -0,0 +1,47 @@
+/*
+* @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.
+*/
+
+// TypeScript Version: 4.1
+
+///
+
+import { ndarray, Shape } from '@stdlib/types/ndarray';
+
+/**
+* Returns the shape of a provided ndarray.
+*
+* ## Notes
+*
+* - When `copy` is `false`, changes to the returned shape array may mutate the input ndarray shape. If there is a chance that the returned shape will be mutated (either directly or by downstream consumers), set `copy` to `true` to prevent unintended side effects.
+*
+* @param x - input ndarray
+* @param copy - boolean indicating whether to explicitly copy the value assigned to the input ndarray's `shape` property
+* @returns shape
+*
+* @example
+* var zeros = require( `@stdlib/ndarray/zeros` );
+*
+* var sh = shape( zeros( [ 3, 3, 3 ] ), false );
+* // returns [ 3, 3, 3 ]
+*/
+declare function shape( x: ndarray, copy: boolean ): Shape;
+
+
+// EXPORTS //
+
+export = shape;
diff --git a/base/shape/docs/types/test.ts b/base/shape/docs/types/test.ts
new file mode 100644
index 00000000..73ae939c
--- /dev/null
+++ b/base/shape/docs/types/test.ts
@@ -0,0 +1,60 @@
+/*
+* @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.
+*/
+
+import zeros = require( './../../../../zeros' );
+import shape = require( './index' );
+
+
+// TESTS //
+
+// The function returns an ndarray shape...
+{
+ shape( zeros( [ 3, 2, 1 ] ), false ); // $ExpectType Shape
+ shape( zeros( [ 3, 2, 1 ] ), true ); // $ExpectType Shape
+}
+
+// The compiler throws an error if the function is provided a first argument which is not an ndarray...
+{
+ shape( '5', false ); // $ExpectError
+ shape( 5, false ); // $ExpectError
+ shape( true, false ); // $ExpectError
+ shape( false, false ); // $ExpectError
+ shape( null, false ); // $ExpectError
+ shape( undefined, false ); // $ExpectError
+ shape( [ '1', '2' ], false ); // $ExpectError
+ shape( {}, false ); // $ExpectError
+ shape( ( x: number ): number => x, false ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided a second argument which is not a boolean...
+{
+ shape( zeros( [ 3, 2, 1 ] ), '5' ); // $ExpectError
+ shape( zeros( [ 3, 2, 1 ] ), 5 ); // $ExpectError
+ shape( zeros( [ 3, 2, 1 ] ), null ); // $ExpectError
+ shape( zeros( [ 3, 2, 1 ] ), undefined ); // $ExpectError
+ shape( zeros( [ 3, 2, 1 ] ), [ '1', '2' ] ); // $ExpectError
+ shape( zeros( [ 3, 2, 1 ] ), {} ); // $ExpectError
+ shape( zeros( [ 3, 2, 1 ] ), ( x: number ): number => x ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided an unsupported number of arguments...
+{
+ shape(); // $ExpectError
+ shape( zeros( [ 2, 2 ] ) ); // $ExpectError
+ shape( zeros( [ 2, 2 ] ), false, {} ); // $ExpectError
+}
diff --git a/base/shape/examples/index.js b/base/shape/examples/index.js
new file mode 100644
index 00000000..d8750a55
--- /dev/null
+++ b/base/shape/examples/index.js
@@ -0,0 +1,57 @@
+/**
+* @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.
+*/
+
+/* eslint-disable new-cap */
+
+'use strict';
+
+var zeros = require( './../../../zeros' );
+var slice = require( './../../../slice' );
+var E = require( '@stdlib/slice/multi' );
+var S = require( '@stdlib/slice/ctor' );
+var shape = require( './../lib' );
+
+// Create an array:
+var x = zeros( [ 10, 10, 10, 10 ] );
+// returns
+
+// Define some slices:
+var slices = [
+ // :,:,:,:
+ E( null, null, null, null ),
+
+ // 5:10,4,2:4,::-1
+ E( S( 5, 10 ), 4, S( 2, 4 ), S( null, null, -1 ) ),
+
+ // :,:,2,:
+ E( null, null, 2, null ),
+
+ // 1,2,3,:
+ E( 1, 2, 3, null ),
+
+ // 1,3,::2,4::2
+ E( 1, 3, S( null, null, 2 ), S( 4, null, 2 ) )
+];
+
+// Determine the shape of each slice...
+var s;
+var i;
+for ( i = 0; i < slices.length; i++ ) {
+ s = slice( x, slices[ i ] );
+ console.log( 'slice(%s) => %s', x.shape.join( 'x' ), shape( s, false ).join( 'x' ) );
+}
diff --git a/base/shape/lib/index.js b/base/shape/lib/index.js
new file mode 100644
index 00000000..9ebcb80e
--- /dev/null
+++ b/base/shape/lib/index.js
@@ -0,0 +1,41 @@
+/**
+* @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.
+*/
+
+'use strict';
+
+/**
+* Return the shape of a provided ndarray.
+*
+* @module @stdlib/ndarray/base/shape
+*
+* @example
+* var zeros = require( '@stdlib/ndarray/zeros' );
+* var shape = require( '@stdlib/ndarray/base/shape' );
+*
+* var sh = shape( zeros( [ 3, 3, 3 ] ), false );
+* // returns [ 3, 3, 3 ]
+*/
+
+// MODULES //
+
+var main = require( './main.js' );
+
+
+// EXPORTS //
+
+module.exports = main;
diff --git a/base/shape/lib/main.js b/base/shape/lib/main.js
new file mode 100644
index 00000000..bc402cc1
--- /dev/null
+++ b/base/shape/lib/main.js
@@ -0,0 +1,52 @@
+/**
+* @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.
+*/
+
+'use strict';
+
+// MODULES //
+
+var copyIndexed = require( '@stdlib/array/base/copy-indexed' );
+
+
+// MAIN //
+
+/**
+* Returns the shape of a provided ndarray.
+*
+* @param {ndarrayLike} x - input ndarray
+* @param {boolean} copy - boolean indicating whether to explicitly copy the value assigned to the input ndarray's `shape` property
+* @returns {NonNegativeIntegerArray} shape
+*
+* @example
+* var zeros = require( '@stdlib/ndarray/zeros' );
+*
+* var out = shape( zeros( [ 3, 3, 3 ] ), false );
+* // returns [ 3, 3, 3 ]
+*/
+function shape( x, copy ) {
+ var sh = x.shape;
+ if ( copy ) {
+ return copyIndexed( sh );
+ }
+ return sh;
+}
+
+
+// EXPORTS //
+
+module.exports = shape;
diff --git a/base/shape/package.json b/base/shape/package.json
new file mode 100644
index 00000000..86d00374
--- /dev/null
+++ b/base/shape/package.json
@@ -0,0 +1,69 @@
+{
+ "name": "@stdlib/ndarray/base/shape",
+ "version": "0.0.0",
+ "description": "Return the shape of a provided ndarray.",
+ "license": "Apache-2.0",
+ "author": {
+ "name": "The Stdlib Authors",
+ "url": "https://github.com/stdlib-js/stdlib/graphs/contributors"
+ },
+ "contributors": [
+ {
+ "name": "The Stdlib Authors",
+ "url": "https://github.com/stdlib-js/stdlib/graphs/contributors"
+ }
+ ],
+ "main": "./lib",
+ "directories": {
+ "benchmark": "./benchmark",
+ "doc": "./docs",
+ "example": "./examples",
+ "lib": "./lib",
+ "test": "./test"
+ },
+ "types": "./docs/types",
+ "scripts": {},
+ "homepage": "https://github.com/stdlib-js/stdlib",
+ "repository": {
+ "type": "git",
+ "url": "git://github.com/stdlib-js/stdlib.git"
+ },
+ "bugs": {
+ "url": "https://github.com/stdlib-js/stdlib/issues"
+ },
+ "dependencies": {},
+ "devDependencies": {},
+ "engines": {
+ "node": ">=0.10.0",
+ "npm": ">2.7.0"
+ },
+ "os": [
+ "aix",
+ "darwin",
+ "freebsd",
+ "linux",
+ "macos",
+ "openbsd",
+ "sunos",
+ "win32",
+ "windows"
+ ],
+ "keywords": [
+ "stdlib",
+ "stdtypes",
+ "types",
+ "base",
+ "ndarray",
+ "shape",
+ "dimensions",
+ "dims",
+ "dimensionality",
+ "multidimensional",
+ "array",
+ "utilities",
+ "utility",
+ "utils",
+ "util"
+ ],
+ "__stdlib__": {}
+}
diff --git a/base/shape/test/test.js b/base/shape/test/test.js
new file mode 100644
index 00000000..a06901fc
--- /dev/null
+++ b/base/shape/test/test.js
@@ -0,0 +1,147 @@
+/**
+* @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.
+*/
+
+'use strict';
+
+// MODULES //
+
+var tape = require( 'tape' );
+var zeros = require( './../../../zeros' );
+var shape = require( './../lib' );
+
+
+// TESTS //
+
+tape( 'main export is a function', function test( t ) {
+ t.ok( true, __filename );
+ t.strictEqual( typeof shape, 'function', 'main export is a function' );
+ t.end();
+});
+
+tape( 'if provided a zero-dimensional ndarray, the function returns an empty array', function test( t ) {
+ t.deepEqual( shape( zeros( [] ), false ), [], 'returns expected value' );
+ t.end();
+});
+
+tape( 'the function returns the shape of an ndarray', function test( t ) {
+ var expected;
+ var values;
+ var out;
+ var i;
+
+ values = [
+ zeros( [ 3, 3, 3 ] ),
+ zeros( [ 1, 1 ] ),
+ zeros( [ 3, 3, 0, 3 ] ),
+ zeros( [ 1, 2, 3, 4 ] ),
+ zeros( [ 5 ] )
+ ];
+
+ expected = [
+ values[ 0 ].shape,
+ values[ 1 ].shape,
+ values[ 2 ].shape,
+ values[ 3 ].shape,
+ values[ 4 ].shape
+ ];
+
+ for ( i = 0; i < values.length; i++ ) {
+ out = shape( values[ i ], false );
+ t.deepEqual( out, expected[ i ], 'returns expected value for shape '+values[ i ].shape.join( 'x' ) );
+ }
+ t.end();
+});
+
+tape( 'the function accepts minimal ndarray-like objects (shape)', function test( t ) {
+ var expected;
+ var values;
+ var out;
+ var i;
+
+ values = [
+ {
+ 'shape': [ 3, 3, 3 ]
+ },
+ {
+ 'shape': [ 1, 1 ]
+ },
+ {
+ 'shape': [ 3, 3, 0, 3 ]
+ },
+ {
+ 'shape': [ 1, 2, 3, 4 ]
+ },
+ {
+ 'shape': [ 5 ]
+ }
+ ];
+
+ expected = [
+ values[ 0 ].shape,
+ values[ 1 ].shape,
+ values[ 2 ].shape,
+ values[ 3 ].shape,
+ values[ 4 ].shape
+ ];
+
+ for ( i = 0; i < values.length; i++ ) {
+ out = shape( values[ i ], false );
+ t.deepEqual( out, expected[ i ], 'returns expected value for shape '+values[ i ].shape.join( 'x' ) );
+ }
+ t.end();
+});
+
+tape( 'the function supports returning a guaranteed copy of an input ndarray shape', function test( t ) {
+ var expected;
+ var values;
+ var out;
+ var i;
+
+ values = [
+ {
+ 'shape': [ 3, 3, 3 ]
+ },
+ {
+ 'shape': [ 1, 1 ]
+ },
+ {
+ 'shape': [ 3, 3, 0, 3 ]
+ },
+ {
+ 'shape': [ 1, 2, 3, 4 ]
+ },
+ {
+ 'shape': [ 5 ]
+ }
+ ];
+
+ expected = [
+ values[ 0 ].shape,
+ values[ 1 ].shape,
+ values[ 2 ].shape,
+ values[ 3 ].shape,
+ values[ 4 ].shape
+ ];
+
+ for ( i = 0; i < values.length; i++ ) {
+ out = shape( values[ i ], true );
+ t.notEqual( out, values[ i ].shape, 'returns expected value' );
+ t.deepEqual( out, expected[ i ], 'returns expected value for shape '+values[ i ].shape.join( 'x' ) );
+ }
+ t.end();
+});
diff --git a/dist/index.js b/dist/index.js
index 289c8dcf..55e85f95 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1,4 +1,4 @@
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