Sha256: 1d7317643d86927c834ca49ea5bf4bd69d14edfdcedaff381799f1dc1805f294
Contents?: true
Size: 1.1 KB
Versions: 6
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Stored size: 1.1 KB
Contents
# frozen_string_literal: true module Lite module Uxid class Hashid < Lite::Uxid::Base def initialize(id) @id = id super() end class << self def encode(id) klass = new(id) klass.encode end def decode(id) klass = new(id) klass.decode end end def encode encode_chars((@id + encoding_salt) << encoding_length) end def decode (decode_chars(@id) >> encoding_length) - encoding_salt end private def encode_chars(id) return '0' if id.zero? return nil if id.negative? str = '' while id.positive? str = "#{encoding_chars[id % encoding_base]}#{str}" id /= encoding_base end str end def decode_chars(id) pos = 0 num = 0 len = id.length max = len - 1 while pos < len pow = encoding_base**(max - pos) num += encoding_chars.index(id[pos]) * pow pos += 1 end num end end end end
Version data entries
6 entries across 6 versions & 1 rubygems