treecko

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

• All of the following helpers support tree objects as well as arrays of tree objects.
• All methods are curried, so you can use partial application.
• Tree nodes must have a children array.

Mapping

• softMap
• softMapBy
• hardMap
• hardMapBy

Reducing

• reduce
• reduceAncestryBy

Finding

• findOr

Filtering

• filter
• reject

Side Effects

• each

Flattening

• flatten
• superflatten
• flattenToIds
• flattenToMap

Restructuring

• replaceChildrenBy
• addChildBy
• changeParent

Misc

• hasId

TODO

• 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