Module: Primer::FetchOrFallbackHelper

Included in:
Component, Slot
Defined in:
lib/primer/fetch_or_fallback_helper.rb

Constant Summary collapse

InvalidValueError =
Class.new(StandardError)

Instance Method Summary collapse

Instance Method Details

#fetch_or_fallback(allowed_values, given_value, fallback = nil) ⇒ Object



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# File 'lib/primer/fetch_or_fallback_helper.rb', line 22

def fetch_or_fallback(allowed_values, given_value, fallback = nil)
  if allowed_values.include?(given_value)
    given_value
  else
    if fallback_raises && ENV["RAILS_ENV"] != "production" && ENV["STORYBOOK"] != "true"
      raise InvalidValueError, "        fetch_or_fallback was called with an invalid value.\n\n        Expected one of: \#{allowed_values.inspect}\n        Got: \#{given_value.inspect}\n\n        This will not raise in production, but will instead fallback to: \#{fallback.inspect}\n      MSG\n    end\n\n    fallback\n  end\nend\n"