fuzzy-regex-d20.js

'use strict'

// fuzzy search
//
// list filter by a regex that matches a order of characters with anything inbeween them
// the filter azb whould match string that has a before z before b 
// a fuzzy azb would be the regex /.*a.*z.*b.*/

fuzzy = (filterTerm) => new RegExp('.*' + filterTerm.toLowerCase().split('').join('.*') + '.*')

fuzzyFilter = (term, collection) => {
  let regex = fuzzy(term)
  console.log(regex)
  return collection.filter(text => {
    return regex.test(text.toLowerCase())
  })
}

content = ['hello world', 'cool school', 'snake clap clap', 'shark in the dark']

fuzzyFilter('SNK', content)


query = {
  username: 'slugbyte',
  location: 'seattle',
  bio: 'lulwat'
}

let $options = 'i'
if(query.username) query.username = {$regex: fuzzy(query.username), $options}
if(query.location) query.location = {$regex: fuzzy(query.location), $options}

query