/*!
* lunr.trimmer
* Copyright (C) @YEAR Oliver Nightingale
*/
/**
* lunr.trimmer is a pipeline function for trimming non word
* characters from the beginning and end of tokens before they
* enter the index.
*
* This implementation may not work correctly for non latin
* characters and should either be removed or adapted for use
* with languages with non-latin characters.
*
* @static
* @implements {lunr.PipelineFunction}
* @param {lunr.Token} token The token to pass through the filter
* @returns {lunr.Token}
* @see lunr.Pipeline
*/
lunr.trimmer = function (token) {
return token.update(function (s) {
return s.replace(/^\W+/, '').replace(/\W+$/, '')
})
}
lunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer')