Syntax format cleanup

lib/ulid.rb

@@ -1,13 +1,14 @@
+# frozen_string_literal: true
 
-require 'time'
-require 'securerandom'
+require "time"
+require "securerandom"
 
-require 'ulid/version'
-require 'ulid/constants'
-require 'ulid/identifier'
-require 'ulid/generate'
-require 'ulid/parse'
-require 'ulid/compare'
+require "ulid/version"
+require "ulid/constants"
+require "ulid/identifier"
+require "ulid/generate"
+require "ulid/parse"
+require "ulid/compare"
 
 module ULID
   include Constants
@@ -81,6 +82,4 @@ def self.min_ulid_at(at_time)
   def self.max_ulid_at(at_time)
     Identifier.new(at_time, MAX_ENTROPY).ulid
   end
-
 end
-

lib/ulid/compare.rb

@@ -1,35 +1,37 @@
+# frozen_string_literal: true
+
 module ULID
   module Compare
     def >(other)
       case other
       when self.class
-        self.ulid > other.ulid
+        ulid > other.ulid
       when Time
-        self.time > other
+        time > other
       when String
-        self.ulid > other
+        ulid > other
       end
     end
 
     def <(other)
       case other
       when self.class
-        self.ulid < other.ulid
+        ulid < other.ulid
       when Time
-        self.time < other
+        time < other
       when String
-        self.ulid < other
+        ulid < other
       end
     end
 
     def <=>(other)
       case other
       when self.class
-        self.ulid <=> other.ulid
+        ulid <=> other.ulid
       when Time
-        self.time <=> other
+        time <=> other
       when String
-        self.ulid <=> other
+        ulid <=> other
       end
     end
   end

lib/ulid/constants.rb

@@ -3,14 +3,14 @@
 module ULID
   module Constants
     # smallest representable time
-    MIN_TIME = ([0] * 6).pack('C' * 6)
+    MIN_TIME = ([0] * 6).pack("C" * 6)
     # largest representable time
-    MAX_TIME = ([255] * 6).pack('C' * 6)
+    MAX_TIME = ([255] * 6).pack("C" * 6)
 
     # smallest possible seed value
-    MIN_ENTROPY = ([0] * 10).pack('C' * 10)
+    MIN_ENTROPY = ([0] * 10).pack("C" * 10)
     # largest possible seed value
-    MAX_ENTROPY = ([255] * 10).pack('C' * 10)
+    MAX_ENTROPY = ([255] * 10).pack("C" * 10)
 
     # Crockford's Base32 (https://www.crockford.com/base32.html) Differs from Base32 in the following ways:
     # * Excludes I, L, O and U

lib/ulid/generate.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require 'securerandom'
-require 'ulid/constants'
+require "securerandom"
+require "ulid/constants"
 
 module ULID
   module Generate
@@ -24,11 +24,11 @@ def encode32
 
     # returns the binary uint128 in base16 UUID format
     def encode16
-      self.bytes.unpack("H8H4H4H4H*").join("-")
+      bytes.unpack("H8H4H4H4H*").join("-")
     end
 
     def encode10
-      (hi, lo) = self.bytes.unpack('Q>Q>')
+      (hi, lo) = bytes.unpack("Q>Q>")
       (hi << 64) | lo
     end
 

lib/ulid/identifier.rb

@@ -1,6 +1,8 @@
-require 'ulid/parse'
-require 'ulid/generate'
-require 'ulid/compare'
+# frozen_string_literal: true
+
+require "ulid/parse"
+require "ulid/generate"
+require "ulid/compare"
 
 module ULID
   class Identifier
@@ -25,13 +27,14 @@ def initialize(start = nil, seed = nil)
         @time = start.time
         @seed = start.seed
       when NilClass, Time
-        @time = (start || Time.now).utc
-        if seed == nil
+        @time = start || Time.now
+        if seed.nil?
           @seed = random_bytes
         else
           if seed.size != 10 || seed.encoding != Encoding::ASCII_8BIT
-            raise ArgumentError.new("seed error, seed value must be 10 bytes encoded as Encoding::ASCII_8BIT")
+            raise ArgumentError, "seed error, seed value must be 10 bytes encoded as Encoding::ASCII_8BIT"
           end
+
           @seed = seed
         end
       when String
@@ -47,24 +50,24 @@ def initialize(start = nil, seed = nil)
           # parse UUID string into bytes
           @bytes = decode16(start)
         else
-          raise ArgumentError.new("invalid ULID or UUID string - must be 16, 26, or 36 characters")
+          raise ArgumentError, "invalid ULID or UUID string - must be 16, 26, or 36 characters"
         end
 
-        raise ArgumentError.new("invalid ULID or UUID") if @bytes.size != 16
+        raise ArgumentError, "invalid ULID or UUID" if @bytes.size != 16
 
         @time, @seed = unpack_decoded_bytes(@bytes)
       when Integer
         # parse integer (BigNum) into bytes
         @bytes = decode10(start)
 
-        raise ArgumentError.new("invalid ULID or UUID") if @bytes.size != 16
+        raise ArgumentError, "invalid ULID or UUID" if @bytes.size != 16
 
         @time, @seed = unpack_decoded_bytes(@bytes)
       when Array
         # parse Array(16) into bytes
         @bytes = start.pack("C*")
 
-        raise ArgumentError.new("invalid Byte Array") if @bytes.size != 16
+        raise ArgumentError, "invalid Byte Array" if @bytes.size != 16
 
         @time, @seed = unpack_ulid_bytes(@bytes)
       else