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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. | ||
--> | ||
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# lastCodePoint | ||
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> Return the last `n` Unicode code points of a string. | ||
<section class="usage"> | ||
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## Usage | ||
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```javascript | ||
var lastCodePoint = require( '@stdlib/string/base/last-code-point' ); | ||
``` | ||
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#### lastCodePoint( str, n ) | ||
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Returns the last `n` Unicode code points of a string. | ||
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```javascript | ||
var s = lastCodePoint( 'JavaScript', 1 ); | ||
// returns 't' | ||
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s = lastCodePoint( 'Hello World', 5 ); | ||
// returns 'World' | ||
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s = lastCodePoint( 'Good Evening', 9 ); | ||
// returns 'd Evening' | ||
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s = lastCodePoint( 'foo bar', 10 ); | ||
// returns 'foo bar' | ||
``` | ||
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</section> | ||
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<!-- /.usage --> | ||
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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 | ||
var lastCodePoint = require( '@stdlib/string/base/last-code-point' ); | ||
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var str = lastCodePoint( 'Hello World', 1 ); | ||
// returns 'd' | ||
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str = lastCodePoint( 'JavaScript', 6 ); | ||
// returns 'Script' | ||
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str = lastCodePoint( 'ASCII', 2 ); | ||
// returns 'II' | ||
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str = lastCodePoint( 'index', 10 ); | ||
// returns 'index' | ||
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str = lastCodePoint( 'अनुच्छेद', 1 ); | ||
// returns 'द' | ||
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str = lastCodePoint( '六书/六書', 3 ); | ||
// returns '/六書' | ||
``` | ||
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</section> | ||
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<!-- /.examples --> | ||
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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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</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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<!-- </related-links> --> | ||
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</section> | ||
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<!-- /.links --> |
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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. | ||
*/ | ||
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'use strict'; | ||
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// MODULES // | ||
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var bench = require( '@stdlib/bench' ); | ||
var isString = require( '@stdlib/assert/is-string' ).isPrimitive; | ||
var pkg = require( './../package.json' ).name; | ||
var last = require( './../lib' ); | ||
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// MAIN // | ||
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bench( pkg, function benchmark( b ) { | ||
var values; | ||
var out; | ||
var i; | ||
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values = [ | ||
'hello world', | ||
'new', | ||
'JavaScript', | ||
'beep boop', | ||
'foo bar', | ||
'xyz abc', | ||
'🐶🐮🐷🐰🐸', | ||
'अनुच्छेद' | ||
]; | ||
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b.tic(); | ||
for ( i = 0; i < b.iterations; i++ ) { | ||
out = last( values[ i%values.length ], 1 ); | ||
if ( typeof out !== 'string' ) { | ||
b.fail( 'should return a string' ); | ||
} | ||
} | ||
b.toc(); | ||
if ( !isString( out ) ) { | ||
b.fail( 'should return a string' ); | ||
} | ||
b.pass( 'benchmark finished' ); | ||
b.end(); | ||
}); |
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{{alias}}( str, n ) | ||
Returns the last `n` Unicode code points of a string. | ||
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Parameters | ||
---------- | ||
str: string | ||
Input string. | ||
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n: integer | ||
Number of Unicode code points to return. | ||
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Returns | ||
------- | ||
out: string | ||
Output string. | ||
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Examples | ||
-------- | ||
> var out = {{alias}}( 'hello world', 1 ) | ||
'd' | ||
> out = {{alias}}( 'JavaScript', 6 ) | ||
'Script' | ||
> out = {{alias}}( 'अनुच्छेद', 1 ) | ||
'द' | ||
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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. | ||
*/ | ||
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// TypeScript Version: 4.1 | ||
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/** | ||
* Returns the last `n` Unicode code points of a string. | ||
* | ||
* @param str - input string | ||
* @param n - number of code points to return | ||
* @returns output string | ||
* | ||
* @example | ||
* var out = last( 'Hello World', 1 ); | ||
* // returns 'd' | ||
* | ||
* @example | ||
* var out = last( 'JavaScript', 6 ); | ||
* // returns 'Script' | ||
* | ||
* @example | ||
* var out = last( 'New', 5 ); | ||
* // returns 'New' | ||
* | ||
* @example | ||
* var out = last( 'अनुच्छेद', 1 ); | ||
* // returns 'द' | ||
*/ | ||
declare function last( str: string, n: number ): string; | ||
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// EXPORTS // | ||
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export = last; |
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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. | ||
*/ | ||
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import last = require( './index' ); | ||
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// TESTS // | ||
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// The function returns a string... | ||
{ | ||
last( 'abc', 1 ); // $ExpectType string | ||
} | ||
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// The compiler throws an error if the function is provided a value other than a string... | ||
{ | ||
last( true, 1 ); // $ExpectError | ||
last( false, 1 ); // $ExpectError | ||
last( null, 1 ); // $ExpectError | ||
last( undefined, 1 ); // $ExpectError | ||
last( 5, 1 ); // $ExpectError | ||
last( [], 1 ); // $ExpectError | ||
last( {}, 1 ); // $ExpectError | ||
last( ( x: number ): number => x, 1 ); // $ExpectError | ||
} | ||
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// The compiler throws an error if the function is provided a second argument that is not a number... | ||
{ | ||
last( 'abc', true ); // $ExpectError | ||
last( 'abc', false ); // $ExpectError | ||
last( 'abc', null ); // $ExpectError | ||
last( 'abc', 'abc' ); // $ExpectError | ||
last( 'abc', [] ); // $ExpectError | ||
last( 'abc', {} ); // $ExpectError | ||
last( 'abc', ( x: number ): number => x ); // $ExpectError | ||
} | ||
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// The compiler throws an error if the function is provided an unsupported number of arguments... | ||
{ | ||
last(); // $ExpectError | ||
last( 'abc' ); // $ExpectError | ||
last( 'abc', 1, 2 ); // $ExpectError | ||
} |
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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. | ||
*/ | ||
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'use strict'; | ||
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var lastCodePoint = require( './../lib' ); | ||
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console.log( lastCodePoint( 'Hello World', 1 ) ); | ||
// => 'd' | ||
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console.log( lastCodePoint( 'JavaScript', 6 ) ); | ||
// => 'Script' | ||
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console.log( lastCodePoint( 'index', 10 ) ); | ||
// => 'index' | ||
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console.log( lastCodePoint( 'अनुच्छेद', 1 ) ); | ||
// => 'द' | ||
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console.log( lastCodePoint( '六书/六書', 3 ) ); | ||
// => '/六書' |
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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. | ||
*/ | ||
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'use strict'; | ||
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/** | ||
* Return the last `n` Unicode code points of a string. | ||
* | ||
* @module @stdlib/string/base/last-code-point | ||
* | ||
* @example | ||
* var last = require( '@stdlib/string/base/last-code-point' ); | ||
* | ||
* var out = last( 'Hello World', 1 ); | ||
* // returns 'd' | ||
* | ||
* out = last( 'अनुच्छेद', 1 ); | ||
* // returns 'द'; | ||
*/ | ||
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// MODULES // | ||
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var main = require( './main.js' ); | ||
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// EXPORTS // | ||
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module.exports = main; |
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