27 lines
726 B
JavaScript
27 lines
726 B
JavaScript
/*!
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* lunr.trimmer
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* Copyright (C) @YEAR Oliver Nightingale
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*/
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/**
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* lunr.trimmer is a pipeline function for trimming non word
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* characters from the begining and end of tokens before they
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* enter the index.
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*
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* This implementation may not work correctly for non latin
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* characters and should either be removed or adapted for use
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* with languages with non-latin characters.
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*
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* @module
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* @param {String} token The token to pass through the filter
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* @returns {String}
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* @see lunr.Pipeline
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*/
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lunr.trimmer = function (token) {
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var result = token.replace(/^\W+/, '')
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.replace(/\W+$/, '')
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return result === '' ? undefined : result
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}
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lunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer')
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