DefaultIterableDiffer

Deprecated: v4.0.0 - Should not be part of public API.

class DefaultIterableDiffer<V> implements IterableDiffer, IterableChanges {
  constructor(trackByFn?: TrackByFunction<V>)
  length: number
  collection: V[] | Iterable<V> | null
  isDirty: boolean
  forEachItem(fn: (record: IterableChangeRecord_<V>) => void)
  forEachOperation(fn: (item: IterableChangeRecord<V>, previousIndex: number | null, currentIndex: number | null) => void)
  forEachPreviousItem(fn: (record: IterableChangeRecord_<V>) => void)
  forEachAddedItem(fn: (record: IterableChangeRecord_<V>) => void)
  forEachMovedItem(fn: (record: IterableChangeRecord_<V>) => void)
  forEachRemovedItem(fn: (record: IterableChangeRecord_<V>) => void)
  forEachIdentityChange(fn: (record: IterableChangeRecord_<V>) => void)
  diff(collection: NgIterable<V>): DefaultIterableDiffer<V> | null
  onDestroy()
  check(collection: NgIterable<V>): boolean
}

Constructor

constructor(trackByFn?: TrackByFunction<V>) Parameters trackByFn Type: TrackByFunction. Optional. Default is undefined.

Properties

Property	Description
length: number	Read-only.
collection: V[] | Iterable<V> | null	Read-only.
isDirty: boolean	Read-only.

Methods

forEachItem()
forEachItem(fn: (record: IterableChangeRecord_<V>) => void) Parameters fn Type: (record: IterableChangeRecord_) => void.

forEachOperation()
forEachOperation(fn: (item: IterableChangeRecord<V>, previousIndex: number | null, currentIndex: number | null) => void) Parameters fn Type: (item: IterableChangeRecord, previousIndex: number | null, currentIndex: number | null) => void.

forEachPreviousItem()
forEachPreviousItem(fn: (record: IterableChangeRecord_<V>) => void) Parameters fn Type: (record: IterableChangeRecord_) => void.

forEachAddedItem()
forEachAddedItem(fn: (record: IterableChangeRecord_<V>) => void) Parameters fn Type: (record: IterableChangeRecord_) => void.

forEachMovedItem()
forEachMovedItem(fn: (record: IterableChangeRecord_<V>) => void) Parameters fn Type: (record: IterableChangeRecord_) => void.

forEachRemovedItem()
forEachRemovedItem(fn: (record: IterableChangeRecord_<V>) => void) Parameters fn Type: (record: IterableChangeRecord_) => void.

forEachIdentityChange()
forEachIdentityChange(fn: (record: IterableChangeRecord_<V>) => void) Parameters fn Type: (record: IterableChangeRecord_) => void.

diff()
diff(collection: NgIterable<V>): DefaultIterableDiffer<V> | null Parameters collection Type: NgIterable. Returns DefaultIterableDiffer<V> | null

onDestroy()
onDestroy() Parameters There are no parameters.

check()
check(collection: NgIterable<V>): boolean Parameters collection Type: NgIterable. Returns boolean