Function traverse_jsonish_update

traverse_jsonish_update(root: MaybeJsonish, path: Path, update: ((value: MaybeJsonish) => MaybeJsonish), creator?: ((next: PathSegment) => Jsonish)): MaybeJsonish
Traverses root with the given path, creating missing members and elements as required, and applies update to the final value.

Returns
the original (but modified) root, or the result of updating the original root if path is empty
Parameters
- root: MaybeJsonish
- path: Path
- update: ((value: MaybeJsonish) => MaybeJsonish)
  
  accepts the current value and returns the resulting value
  - - (value: MaybeJsonish): MaybeJsonish
    - Parameters
      
      value: MaybeJsonish
      
      Returns MaybeJsonish
- Optional creator: ((next: PathSegment) => Jsonish)
  
  optional method for creating missing parents as a path is constructed. default is creator_err_object
  - - (next: PathSegment): Jsonish
    - Parameters
      
      next: PathSegment
      
      Returns Jsonish
Returns MaybeJsonish
- Defined in packages/json/src/traverse/traverse_jsonish_update.ts:17

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