198 lines
4.4 KiB
Markdown
198 lines
4.4 KiB
Markdown
<!--
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@license Apache-2.0
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Copyright (c) 2021 The Stdlib Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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# camelcase
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> Convert a string to camel case.
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<!-- Package usage documentation. -->
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<section class="usage">
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## Usage
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```javascript
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var camelcase = require( '@stdlib/string/camelcase' );
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```
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#### camelcase( str )
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Converts a string to camel case.
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```javascript
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var out = camelcase( 'foo bar' );
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// returns 'fooBar'
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out = camelcase( 'IS_MOBILE' );
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// returns 'isMobile'
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out = camelcase( 'Hello World!' );
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// returns 'helloWorld'
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out = camelcase( '--foo-bar--' );
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// returns 'fooBar'
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```
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</section>
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<!-- /.usage -->
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<!-- Package usage examples. -->
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<section class="examples">
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## Examples
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```javascript
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var camelcase = require( '@stdlib/string/camelcase' );
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var str = 'Hello World!';
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var out = camelcase( str );
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// returns 'helloWorld'
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str = 'HELLO WORLD!';
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out = camelcase( str );
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// returns 'helloWorld'
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str = 'To be, or not to be: that is the question.';
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out = camelcase( str );
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// returns 'toBeOrNotToBeThatIsTheQuestion'
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```
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</section>
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<!-- /.examples -->
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* * *
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<section class="cli">
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## CLI
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<section class="usage">
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### Usage
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```text
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Usage: camelcase [options] [<string>]
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Options:
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-h, --help Print this message.
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-V, --version Print the package version.
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--split sep Delimiter for stdin data. Default: '/\\r?\\n/'.
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```
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</section>
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<!-- /.usage -->
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<!-- CLI usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
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<section class="notes">
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### Notes
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- If the split separator is a [regular expression][mdn-regexp], ensure that the `split` option is either properly escaped or enclosed in quotes.
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```bash
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# Not escaped...
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$ echo -n $'beep\nfoo_bar' | camelcase --split /\r?\n/
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# Escaped...
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$ echo -n $'beep\nfoo_bar' | camelcase --split /\\r?\\n/
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```
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- The implementation ignores trailing delimiters.
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</section>
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<!-- /.notes -->
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<section class="examples">
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### Examples
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```bash
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$ camelcase 'hello world!'
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helloWorld
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```
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To use as a [standard stream][standard-streams],
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```bash
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$ echo -n 'beEp booP' | camelcase
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beEpBooP
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```
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By default, when used as a [standard stream][standard-streams], the implementation assumes newline-delimited data. To specify an alternative delimiter, set the `split` option.
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```bash
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$ echo -n 'beep\nfoo_bar' | camelcase --split '\t'
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beep
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fooBar
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```
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</section>
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<!-- /.examples -->
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</section>
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<!-- /.cli -->
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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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* * *
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## See Also
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- <span class="package-name">[`@stdlib/string/constantcase`][@stdlib/string/constantcase]</span><span class="delimiter">: </span><span class="description">convert a string to constant case.</span>
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- <span class="package-name">[`@stdlib/string/kebabcase`][@stdlib/string/kebabcase]</span><span class="delimiter">: </span><span class="description">convert a string to kebab case.</span>
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- <span class="package-name">[`@stdlib/string/snakecase`][@stdlib/string/snakecase]</span><span class="delimiter">: </span><span class="description">convert a string to snake case.</span>
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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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[standard-streams]: https://en.wikipedia.org/wiki/Standard_streams
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[mdn-regexp]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions
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<!-- <related-links> -->
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[@stdlib/string/constantcase]: https://github.com/stdlib-js/string/tree/main/constantcase
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[@stdlib/string/kebabcase]: https://github.com/stdlib-js/string/tree/main/kebabcase
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[@stdlib/string/snakecase]: https://github.com/stdlib-js/string/tree/main/snakecase
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<!-- </related-links> -->
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</section>
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<!-- /.links -->
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