Class: Hash

Inherits:
Object
  • Object
show all
Defined in:
lib/kube/monkey_patches.rb

Overview

github.com/mickey/black-hole-struct/blob/master/lib/black_hole_struct.rb

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/kube/monkey_patches.rb', line 3

def method_missing(name, *args)
  key = name.to_s

  if key.end_with?("=")
    self[key.chomp("=").to_sym] = args.first

  elsif key?(name.to_sym)
    self[name.to_sym]

  elsif key.start_with?("to_")
    super

  else
    self[name.to_sym] = {}
  end
end

Class Method Details

._deep_stringify_keys(obj) ⇒ Object 



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# File 'lib/kube/monkey_patches.rb', line 42

def self._deep_stringify_keys(obj)
  case obj
  when Hash
    obj.each_with_object({}) do |(k, v), result|
      result[k.to_s] = _deep_stringify_keys(v)
    end
  when Array
    obj.map { |v| _deep_stringify_keys(v) }
  else
    obj
  end
end

.vivify(&block) ⇒ Object

Build a Hash with autovivification via a block DSL.

Hash.vivify {
  metadata.name = "web"
  spec.replicas = 3
  spec.selector.matchLabels.app = "web"
}
# => { metadata: { name: "web" }, spec: { replicas: 3, selector: { matchLabels: { app: "web" } } } }



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# File 'lib/kube/monkey_patches.rb', line 33

def self.vivify(&block)
  new.tap { |h| h.instance_exec(&block) }
end

Instance Method Details

#to_yaml ⇒ Object

Deep-stringify keys so symbol keys don’t leak into YAML as ‘:key:`.



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# File 'lib/kube/monkey_patches.rb', line 38

def to_yaml(*)
  Hash._deep_stringify_keys(self).then { |h| Psych.dump(h) }
end