Sha256: 78fca7a85ae594bdf49dc00885dc123c9384552c74dfabca153cba65b2fafce7
Contents?: true
Size: 898 Bytes
Versions: 6
Compression:
Stored size: 898 Bytes
Contents
# Hash.to_snake_keys
class Hash
# Recursively converts CamelCase and camelBack JSON-style hash keys to
# Rubyish snake_case, suitable for use during instantiation of Ruby
# model attributes.
#
def to_snake_keys(value = self)
case value
when Array
value.map { |v| to_snake_keys(v) }
when Hash
snake_hash(value)
else
value
end
end
private
def snake_hash(value)
Hash[value.map { |k, v| [underscore_key(k).to_sym, to_snake_keys(v)] }]
end
def underscore_key(k)
if k.is_a? Symbol
underscore(k.to_s).to_sym
elsif k.is_a? String
underscore(k)
else
k # Plissken can't snakify anything except strings and symbols
end
end
def underscore(string)
string.gsub(/::/, '/')
.gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')
.gsub(/([a-z\d])([A-Z])/, '\1_\2')
.tr('-', '_')
.downcase
end
end
Version data entries
6 entries across 6 versions & 2 rubygems