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, currentIndex: number) => 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 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 (record: IterableChangeRecord_) => void

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

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

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

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

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

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

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

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

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