lunr.QueryParser.parseField = function()

in miredot/lib/lunr/js/lunr.js [2801:2831]

• 24 lines of code
• 5 McCabe index (conditional complexity)

lunr.QueryParser.parseField = function (parser) {
  var lexeme = parser.consumeLexeme()

  if (lexeme == undefined) {
    return
  }

  if (parser.query.allFields.indexOf(lexeme.str) == -1) {
    var possibleFields = parser.query.allFields.map(function (f) { return "'" + f + "'" }).join(', '),
        errorMessage = "unrecognised field '" + lexeme.str + "', possible fields: " + possibleFields

    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)
  }

  parser.currentClause.fields = [lexeme.str]

  var nextLexeme = parser.peekLexeme()

  if (nextLexeme == undefined) {
    var errorMessage = "expecting term, found nothing"
    throw new lunr.QueryParseError (errorMessage, lexeme.start, lexeme.end)
  }

  switch (nextLexeme.type) {
    case lunr.QueryLexer.TERM:
      return lunr.QueryParser.parseTerm
    default:
      var errorMessage = "expecting term, found '" + nextLexeme.type + "'"
      throw new lunr.QueryParseError (errorMessage, nextLexeme.start, nextLexeme.end)
  }
}