excerpt

Based on the Rails TextHelper.

> excerpt('This is an example', 'an', 5);
'...s is an exam...'

Extracts an excerpt from text that matches the first instance of phrase. The radius option expands the excerpt on each side of the first occurrence of phrase by the number of characters defined in radius (which defaults to 100). If the excerpt radius overflows the beginning or end of the text, then the ending option (which defaults to “…”) will be prepended/appended accordingly. If the phrase isn’t found, the original text is returned.

Installation

$ npm install excerpt
$ component install component/excerpt

API

excerpt(text, phrase, radius, ending)

should extract the excerpt of text

excerpt(example, 'an', 5).should.equal('...s is an exam...');
excerpt(example, 'is', 5).should.equal('This is a...');
excerpt('This is also an example', 'an', 8, '<chop> ').should.equal('<chop> is also an example');
 

Credit

Code adapted from CakePHP / Ruby on Rails

License

(The MIT License)

Copyright (c) 2012 Wes Cruver <chieffancypants@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.