Class: Canon::DiffFormatter::Theme::ThemeInheritance

Inherits:
Object
  • Object
show all
Defined in:
lib/canon/diff_formatter/theme.rb

Overview

Theme inheritance builder

Instance Method Summary collapse

Constructor Details

#initialize(base_name) ⇒ ThemeInheritance

Returns a new instance of ThemeInheritance.



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# File 'lib/canon/diff_formatter/theme.rb', line 466

def initialize(base_name)
  unless THEMES.key?(base_name)
    raise ArgumentError,
          "Unknown theme: #{base_name}. Valid: #{THEMES.keys}"
  end

  @base_name = base_name
  @overrides = {}
end

Instance Method Details

#build ⇒ Hash

Build the final theme hash

Returns:

  • (Hash) —

    Merged theme



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# File 'lib/canon/diff_formatter/theme.rb', line 486

def build
  base = deep_dup(THEMES[@base_name])
  deep_merge!(base, @overrides)
  base
end

#merge(overrides) ⇒ self

Add overrides to the inherited theme

Parameters:

  • overrides (Hash) —

    Nested hash of overrides

Returns:

  • (self) —

    for chaining



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# File 'lib/canon/diff_formatter/theme.rb', line 479

def merge(overrides)
  deep_merge!(@overrides, overrides)
  self
end

#merge!(overrides) ⇒ Object

Shorthand for merge + build



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# File 'lib/canon/diff_formatter/theme.rb', line 493

def merge!(overrides)
  merge(overrides)
  build
end