sinatra v8 suggester

gistfile1.builder

require 'rubygems'
require 'sinatra'
require 'json'
require 'v8'

input = 'suggestions.txt'
suggestions = []

File.open(input, 'r').each { |line| suggestions << line.strip }

cxt = V8::Context.new
cxt['suggestions'] = suggestions

get '/:q' do
  # matches = suggestions.find_all{ |s| s.match(params[:q]) }[0..9]
  cxt['q'] = params[:q]
  matches = Array(cxt.eval(<<-eojs
  suggestions.filter(function(suggestion) {
          return suggestion.search(q) > -1;
      }).slice(0,10);
  eojs
  ))
  halt 200, {'Content-Type' => 'text/json'}, matches.to_json
end