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Contents
# frozen_string_literal: true
module PgEventstore
class Utils
class << self
# Deep transforms keys of a given Hash
# @param object [Object]
# @return [Object] a hash with transformed keys
def deep_transform_keys(object, &block)
case object
when Hash
object.each_with_object({}) do |(key, value), result|
result[yield(key)] = deep_transform_keys(value, &block)
end
when Array
object.map { |e| deep_transform_keys(e, &block) }
else
object
end
end
# Deep dup Array or Hash
# @param object [Object]
# @return [Object]
def deep_dup(object)
case object
when Hash
object.each_with_object({}) do |(key, value), result|
result[deep_dup(key)] = deep_dup(value)
end
when Array
object.map { |e| deep_dup(e) }
else
object.dup
end
end
# Converts array to the string containing SQL positional variables
# @param array [Array]
# @return [String] positional variables, based on array size. Example: "$1, $2, $3"
def positional_vars(array)
array.size.times.map { |t| "$#{t + 1}" }.join(', ')
end
# Transforms exception instance into a hash
# @param error [StandardError]
# @return [Hash]
def error_info(error)
{
class: error.class,
message: error.message,
backtrace: error.backtrace
}
end
# @param str [String]
# @return [String]
def underscore_str(str)
str = str.dup
str[0] = str[0].downcase
str.gsub!(/[A-Z]/) { |letter| '_' + letter.downcase }
str
end
end
end
end
Version data entries
28 entries across 28 versions & 1 rubygems