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module VkontakteApi
# An utility module able to flatten arguments (join arrays into comma-separated strings).
module Utils
class << self
# A multiple version of `#flatten_argument`. It transforms a hash flattening each value and keeping the keys untouched.
# @param [Hash] arguments The arguments to flatten.
# @return [Hash] Flattened arguments.
def flatten_arguments(arguments)
arguments.inject({}) do |flat_args, (arg_name, arg_value)|
flat_args[arg_name] = flatten_argument(arg_value)
flat_args
end
end
# If an argument is an array, it will be joined with a comma; otherwise it'll be returned untouched.
# @param [Object] argument The argument to flatten.
def flatten_argument(argument)
if argument.respond_to?(:join)
# if argument is an array, we join it with a comma
argument.join(',')
else
# otherwise leave it untouched
argument
end
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems