npm install flatkeys
Flatten object key hierarchies into a list of strings using a custom separator. Used in Konf to populate a config object from process.env variables.
flatKeys({
zero: {
one: 1,
two: {
three: 3
}
}
})
Returns the array
[
'zero'
'zero_one'
'zero_two'
'zero_two_three'
]
flatKeys(keys, {
sep : '_' // separator
snake : true // convert keys from camelCase to snake_case
filter : toLowerCase // transformation function, defaults to `String.prototype.toLowerCase`
})
Running the example above with { sep: ':', filter: String.prototype.toUpperCase } would yield
[
'ZERO'
'ZERO:ONE'
'ZERO:TWO'
'ZERO:TWO:THREE'
]