dry-rb/dry-struct

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lib/dry/struct.rb

Summary

Maintainability
A
0 mins
Test Coverage
A
93%

Unused method argument - keys. If it's necessary, use _ or _keys as an argument name to indicate that it won't be used. You can also write as deconstruct_keys(*) if you want the method to accept any arguments but don't care about them.
Open

      def deconstruct_keys(keys)
Severity: Minor
Found in lib/dry/struct.rb by rubocop

This cop checks for unused method arguments.

Example:

# bad

def some_method(used, unused, _unused_but_allowed)
  puts used
end

Example:

# good

def some_method(used, _unused, _unused_but_allowed)
  puts used
end

Provide an exception class and message as arguments to raise.
Open

      @attributes.fetch(name) { raise MissingAttributeError.new(name) }
Severity: Minor
Found in lib/dry/struct.rb by rubocop

This cop checks the args passed to fail and raise. For exploded style (default), it recommends passing the exception class and message to raise, rather than construct an instance of the error. It will still allow passing just a message, or the construction of an error with more than one argument.

The exploded style works identically, but with the addition that it will also suggest constructing error objects when the exception is passed multiple arguments.

Example: EnforcedStyle: exploded (default)

# bad
raise StandardError.new("message")

# good
raise StandardError, "message"
fail "message"
raise MyCustomError.new(arg1, arg2, arg3)
raise MyKwArgError.new(key1: val1, key2: val2)

Example: EnforcedStyle: compact

# bad
raise StandardError, "message"
raise RuntimeError, arg1, arg2, arg3

# good
raise StandardError.new("message")
raise MyCustomError.new(arg1, arg2, arg3)
fail "message"

Line is too long. [102/100]
Open

      new_attributes = self.class.schema.apply(changeset, skip_missing: true, resolve_defaults: false)
Severity: Minor
Found in lib/dry/struct.rb by rubocop

Space inside string interpolation detected.
Open

      "#<#{ klass.name || klass.inspect }#{ attrs }>"
Severity: Minor
Found in lib/dry/struct.rb by rubocop

This cop checks for whitespace within string interpolations.

Example: EnforcedStyle: no_space (default)

# bad
   var = "This is the #{ space } example"

# good
   var = "This is the #{no_space} example"

Example: EnforcedStyle: space

# bad
   var = "This is the #{no_space} example"

# good
   var = "This is the #{ space } example"

Space inside string interpolation detected.
Open

      "#<#{ klass.name || klass.inspect }#{ attrs }>"
Severity: Minor
Found in lib/dry/struct.rb by rubocop

This cop checks for whitespace within string interpolations.

Example: EnforcedStyle: no_space (default)

# bad
   var = "This is the #{ space } example"

# good
   var = "This is the #{no_space} example"

Example: EnforcedStyle: space

# bad
   var = "This is the #{no_space} example"

# good
   var = "This is the #{ space } example"

Missing magic comment # frozen_string_literal: true.
Open

require 'dry-types'
Severity: Minor
Found in lib/dry/struct.rb by rubocop

This cop is designed to help upgrade to Ruby 3.0. It will add the comment # frozen_string_literal: true to the top of files to enable frozen string literals. Frozen string literals may be default in Ruby 3.0. The comment will be added below a shebang and encoding comment. The frozen string literal comment is only valid in Ruby 2.3+.

Example: EnforcedStyle: when_needed (default)

# The `when_needed` style will add the frozen string literal comment
# to files only when the `TargetRubyVersion` is set to 2.3+.
# bad
module Foo
  # ...
end

# good
# frozen_string_literal: true

module Foo
  # ...
end

Example: EnforcedStyle: always

# The `always` style will always add the frozen string literal comment
# to a file, regardless of the Ruby version or if `freeze` or `<

Example: EnforcedStyle: never

# The `never` will enforce that the frozen string literal comment does
# not exist in a file.
# bad
# frozen_string_literal: true

module Baz
  # ...
end

# good
module Baz
  # ...
end

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