class method `self.base36`

Ruby on Rails 6.1.7.10

Since v6.0.6

Available in: v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

self.base36(n = 16)

SecureRandom.base36 generates a random base36 string in lowercase.

The argument n specifies the length of the random string to be generated.

If n is not specified or is nil, 16 is assumed. It may be larger in the future. This method can be used over base58 if a deterministic case key is necessary.

The result will contain alphanumeric characters in lowercase.

p SecureRandom.base36 # => "4kugl2pdqmscqtje"
p SecureRandom.base36(24) # => "77tmhrhjfvfdwodq8w7ev2m7"

Parameters

n opt = 16

Source

# File activesupport/lib/active_support/core_ext/securerandom.rb, line 38
  def self.base36(n = 16)
    SecureRandom.random_bytes(n).unpack("C*").map do |byte|
      idx = byte % 64
      idx = SecureRandom.random_number(36) if idx >= 36
      BASE36_ALPHABET[idx]
    end.join
  end

Defined in activesupport/lib/active_support/core_ext/securerandom.rb line 38 · View on GitHub · Improve this page · Find usages on GitHub

Defined in SecureRandom

Signature

Parameters