Interface: INodeFieldChanges<TValue>#

Defined in: types.ts:115

Field-level change metadata passed to Retree change listeners.

Remarks#

previous and new are raw values, always — change records are descriptions of the past, not live handles. Listeners that need the managed node for an object value opt in with Retree.managed(value). Identity comparisons against payload values should be raw-to-raw: change.previous === Retree.raw(candidate).

node is the raw node whose field changed, always — like the payload values, it is a description, not a live handle; resolve it with Retree.managed(change.node) when a managed node is needed. Because dependency-driven ReactiveNode emissions forward the dependency's change records, node is how a listener tells records describing the listened-to node's own fields apart from forwarded records describing a dependency.

Type Parameters#

Type Parameter	Default type
`TValue`	`unknown`

Properties#

Property	Type	Description	Defined in
`key`	`TNodeFieldChangeKey`	-	types.ts:117
`new`	`TValue`	-	types.ts:119
`node`	`object`	-	types.ts:116
`op?`	`TNodeFieldChangeOp`	Structural operation marker, present only when `previous`/`new` alone cannot describe the mutation exactly. See TNodeFieldChangeOp.	types.ts:124
`previous`	`TValue`	-	types.ts:118