Ember.SubArray Class packages/ember-runtime/lib/system/subarray.js:15

An Ember.SubArray tracks an array in a way similar to, but more specialized than, Ember.TrackedArray. It is useful for keeping track of the indexes of items within a filtered array.

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Methods

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addItem

(index, match) Number

Track that an item was added to the tracked array.

Parameters:

index Number
The index of the item in the tracked array.
match Boolean
`true` iff the item is included in the subarray.

Returns:

Number
The index of the item in the subarray.

removeItem

(index) Number

Track that an item was removed from the tracked array.

Parameters:

index Number
The index of the item in the tracked array.

Returns:

Number
The index of the item in the subarray, or `-1` if the item was not in the subarray.