28 lines
743 B
JavaScript
28 lines
743 B
JavaScript
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/*!
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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 beginning 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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* @static
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* @implements {lunr.PipelineFunction}
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* @param {lunr.Token} token The token to pass through the filter
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* @returns {lunr.Token}
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* @see lunr.Pipeline
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*/
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lunr.trimmer = function (token) {
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return token.update(function (s) {
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return s.replace(/^\W+/, '').replace(/\W+$/, '')
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})
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}
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lunr.Pipeline.registerFunction(lunr.trimmer, 'trimmer')
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