Module: WhyClasses::ConfigLoader

Defined in:
lib/why_classes/config_loader.rb

Overview

Loads config/default.yml and deep-merges a project .why-classes.yml over it.

Constant Summary collapse

DEFAULT_PATH = 
File.expand_path("../../config/default.yml", __dir__)
PROJECT_FILE = 
".why-classes.yml"

Class Method Summary collapse

Class Method Details

.deep_merge(base, override) ⇒ Object 



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# File 'lib/why_classes/config_loader.rb', line 41

def deep_merge(base, override)
  base.merge(override) do |_key, base_val, over_val|
    if base_val.is_a?(Hash) && over_val.is_a?(Hash)
      deep_merge(base_val, over_val)
    else
      over_val
    end
  end
end

.discover(start_dir) ⇒ Object

Walk up from start_dir looking for .why-classes.yml.



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# File 'lib/why_classes/config_loader.rb', line 21

def discover(start_dir)
  dir = File.expand_path(start_dir)
  loop do
    candidate = File.join(dir, PROJECT_FILE)
    return candidate if File.file?(candidate)

    parent = File.dirname(dir)
    break if parent == dir

    dir = parent
  end
  nil
end

.load(explicit_path: nil, start_dir: Dir.pwd) ⇒ Object 



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# File 'lib/why_classes/config_loader.rb', line 14

def load(explicit_path: nil, start_dir: Dir.pwd)
  base = read(DEFAULT_PATH)
  project = explicit_path ? read(explicit_path) : read(discover(start_dir))
  Configuration.new(deep_merge(base, project))
end

.read(path) ⇒ Object 



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# File 'lib/why_classes/config_loader.rb', line 35

def read(path)
  return {} if path.nil? || !File.file?(path)

  YAML.safe_load_file(path) || {}
end