Smush
Smush is a simple gem that converts a hash into a flat array of key-value pairs. You can also unsmush the result back into a hash. Note: if an integer key is encountered, Smush will always assume the target object is an Array.
Unsmushed
{
name: 'John Doe',
chores: ['Wash dishes', 'Pay rent']
}Smushed
[
{
key: [:name],
value: 'John Doe'
},
{
key: [:chores, 0],
value: 'Wash dishes'
},
{
key: [:chores, 1],
value: 'Pay rent'
}
]How
require 'smush'
hash = {
name: 'Bob Smith',
favorite_foods: ['BLT', 'Hot Dog On A Stick'],
siblings: [
{
name: 'Ron Smith'
}
]
}
smushed = Smush.smush(hash)
# smushed = [
# {
# key: [:name],
# value: 'Bob Smith'
# },
# {
# key: [:favorite_foods, 0],
# value: 'BLT'
# },
# ...
# ]
original = Smush.unsmush(smushed)Smush does not check your inputs for consistency, e.g. check that your smushed hash doesn't have duplicate keys, or that you aren't skipping indices in your arrays.