A collection of functional and immutable helpers for working with tree data structures.

• Both Trees : Object and Tree Lists : Array<Object> are supported.
• Curried for easy partial application.

• softMap
• softMapBy
• hardMap
• hardMapBy

• reduce
• reduceAncestryBy

• findOr

• filter
• reject

• each

• flatten
• superflatten
• flattenToIds
• flattenToMap

• replaceChildrenBy
• addChildBy
• changeParent

• hasId

• Support different values for children key
• Support different values for id key in flattenToMap and changeParent
• Support different values for parentId key in changeParent
• Add breadth-first versions of methods