feat: add number/float32/to-json

lib/node_modules/@stdlib/number/float32/to-json/README.md

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+<!--
+
+@license Apache-2.0
+
+Copyright (c) 2026 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.
+
+-->
+
+# number2jsonf
+
+> Return a [JSON][json] representation of a number.
+
+<!-- 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 number2jsonf = require( '@stdlib/number/float32/to-json' );
+```
+
+#### number2jsonf( x )
+
+Returns a [JSON][json] representation of a number.
+
+```javascript
+var json = number2jsonf( NaN );
+/* returns
+    {
+        'type': 'float32',
+        'value': 'NaN'
+    }
+*/
+```
+
+<!-- For guidance on reviving a JSON-serialized [`Buffer`][@stdlib/buffer/ctor], see [`reviver()`][@stdlib/buffer/reviver]. -->
+
+</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" -->
+
+```javascript
+var number2jsonf = require( '@stdlib/number/float32/to-json' );
+
+console.log( number2jsonf( NaN ) );
+```
+
+</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">
+
+[json]: http://www.json.org/
+
+</section>
+
+<!-- /.links -->

lib/node_modules/@stdlib/number/float32/to-json/benchmark/benchmark.js

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+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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 PINF = require( '@stdlib/constants/float32/pinf' );
+var NINF = require( '@stdlib/constants/float32/ninf' );
+var pkg = require( './../package.json' ).name;
+var toJsonf = require( './../lib' );
+
+
+// MAIN //
+
+bench( pkg, function benchmark( b ) {
+	var values = [NINF, PINF, NaN];
+	var v;
+	var i;
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		v = toJsonf( values[ i%values.length ] );
+		if ( typeof v !== 'object' ) {
+			b.fail( 'should return an object' );
+		}
+	}
+	b.toc();
+	if ( typeof v !== 'object' ) {
+		b.fail( 'should return an object' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});
+
+bench( pkg+'::number', function benchmark( b ) {
+	var v;
+	var i;
+
+	b.tic();
+	for ( i = 0; i < b.iterations; i++ ) {
+		v = toJsonf( 3.14 );
+		if ( typeof v !== 'number' ) {
+			b.fail( 'should return a number' );
+		}
+	}
+	b.toc();
+	if ( typeof v !== 'number' ) {
+		b.fail( 'should return a number' );
+	}
+	b.pass( 'benchmark finished' );
+	b.end();
+});

lib/node_modules/@stdlib/number/float32/to-json/docs/repl.txt

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+
+{{alias}}( x )
+    Returns a JSON representation of a number.
+
+    Parameters
+    ----------
+    x: number
+        Input value to serialize.
+
+    Returns
+    -------
+    out: Object
+        JSON representation if x is NaN or Infinity.
+
+    out.type: string
+        Value type. The assigned value is always "float32".
+
+    out.value: string
+        Value type. The assigned value can be "NaN", "+Infinity", "-Infinity".
+
+    out: number
+        In all other cases, the input value is returned.
+
+    Examples
+    --------
+    > var json = {{alias}}( NaN )
+    { 'type': 'float32', 'value': 'NaN' }
+    > json = {{alias}}( Infinity )
+    { 'type': 'float32', 'value': '+Infinity' }
+    > json = {{alias}}( -Infinity )
+    { 'type': 'float32', 'value': '-Infinity' }
+    > json = {{alias}}( 5.0 )
+    5.0
+
+    See Also
+    --------

lib/node_modules/@stdlib/number/float32/to-json/docs/types/index.d.ts

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+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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
+
+/**
+* Returns a JSON representation of a number.
+*
+* @param x - input value
+* @returns JSON representation
+*
+* @example
+* var str = JSON.stringify( number2jsonf( NaN ) );
+* // returns '{"type":"float32","value":"NaN"}'
+*/
+declare function number2jsonf( x: number ): any;
+
+
+// EXPORTS //
+
+export = number2jsonf;

lib/node_modules/@stdlib/number/float32/to-json/docs/types/test.ts

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+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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 number2jsonf = require( '../../lib/main' );
+
+
+// TESTS //
+
+// The function returns an object...
+{
+	const num = 3.14;
+	number2jsonf( num ); // $ExpectType JSON
+}
+
+// The compiler throws an error if the function is provided a value other than a number...
+{
+	number2jsonf( 'abc' ); // $ExpectError
+	number2jsonf( true ); // $ExpectError
+	number2jsonf( false ); // $ExpectError
+	number2jsonf( undefined ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided insufficient arguments...
+{
+	number2jsonf(); // $ExpectError
+}

lib/node_modules/@stdlib/number/float32/to-json/examples/index.js

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+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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';
+
+var number2jsonf = require( './../lib' );
+
+var str = JSON.stringify( number2jsonf( NaN ) );
+console.log( str );
+
+str = JSON.stringify( number2jsonf( Infinity ) );
+console.log( str );
+
+str = JSON.stringify( number2jsonf( -Infinity ) );
+console.log( str );

lib/node_modules/@stdlib/number/float32/to-json/lib/index.js

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+/**
+* @license Apache-2.0
+*
+* Copyright (c) 2026 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 a JSON representation of a number.
+*
+* @module @stdlib/number/float32/to-json
+*
+* @example
+* var number2jsonf = require( '@stdlib/number/float32/to-json' );
+*
+* var str = JSON.stringify( number2jsonf( NaN ) );
+* // returns '{"type":"float32","value":"NaN"}'
+*/
+
+// MODULES //
+
+var number2jsonf = require( './main.js' );
+
+
+// EXPORTS //
+
+module.exports = number2jsonf;