Class: Canon::Formatters::JsonFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/canon/formatters/json_formatter.rb

Overview

JSON formatter for canonicalization

Class Method Summary collapse

Class Method Details

.format(json) ⇒ Object 



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# File 'lib/canon/formatters/json_formatter.rb', line 10

def self.format(json)
  parsed = parse(json)
  JSON.pretty_generate(sort_json_keys(parsed))
end

.parse(json) ⇒ Object 



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# File 'lib/canon/formatters/json_formatter.rb', line 15

def self.parse(json)
  # Validate before parsing
  Canon::Validators::JsonValidator.validate!(json)
  # Return as-is if already parsed
  return json if json.is_a?(Hash) || json.is_a?(Array)

  JSON.parse(json)
end

.sort_json_keys(obj) ⇒ Object 



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# File 'lib/canon/formatters/json_formatter.rb', line 24

def self.sort_json_keys(obj)
  case obj
  when Hash
    obj.transform_values { |v| sort_json_keys(v) }
      .sort.to_h
  when Array
    obj.map { |item| sort_json_keys(item) }
  else
    obj
  end
end