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SleeplessByte/ruby-multibase

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lib/multibases/base64.rb

Summary

Maintainability
A
3 hrs
Test Coverage

Method has too many lines. [15/10]
Open

    def decode(encoded)
      return DecodedByteArray::EMPTY if encoded.empty?

      unless encoded.is_a?(Array)
        encoded = encoded.force_encoding(@table.encoding).bytes
Severity: Minor
Found in lib/multibases/base64.rb by rubocop

This cop checks if the length of a method exceeds some maximum value. Comment lines can optionally be ignored. The maximum allowed length is configurable.

Method decode has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.
Open

    def decode(encoded)
      return DecodedByteArray::EMPTY if encoded.empty?

      unless encoded.is_a?(Array)
        encoded = encoded.force_encoding(@table.encoding).bytes
Severity: Minor
Found in lib/multibases/base64.rb - About 35 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Similar blocks of code found in 2 locations. Consider refactoring.
Open

    class Table < OrdTable
      def self.from(alphabet, **opts)
        alphabet = alphabet.bytes if alphabet.respond_to?(:bytes)
        alphabet.map!(&:ord)
Severity: Major
Found in lib/multibases/base64.rb and 1 other location - About 1 hr to fix
lib/multibases/base32.rb on lines 24..44

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 64.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Similar blocks of code found in 3 locations. Consider refactoring.
Open

    def decode(encoded)
      return DecodedByteArray::EMPTY if encoded.empty?

      unless encoded.is_a?(Array)
        encoded = encoded.force_encoding(@table.encoding).bytes
Severity: Major
Found in lib/multibases/base64.rb and 2 other locations - About 1 hr to fix
lib/multibases/base16.rb on lines 69..88
lib/multibases/base2.rb on lines 61..80

Duplicated Code

Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

Tuning

This issue has a mass of 49.

We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

Refactorings

Further Reading

Extra blank line detected.
Open


require 'multibases/byte_array'
Severity: Minor
Found in lib/multibases/base64.rb by rubocop

This cops checks for two or more consecutive blank lines.

Example:

# bad - It has two empty lines.
some_method
# one empty line
# two empty lines
some_method

# good
some_method
# one empty line
some_method

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