groupBy

groupBy

Signature - source.ts#L2621

Copyfunction groupBy<T, K>(
    getKey: (value: T, index: number) => K,
    Subject_?: typeof Subject,
    removeGroupWhenNoSubscribers?: boolean,
): Operator<T, GroupSource<T, K>>
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function groupBy<T, K>(
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    getKey: (value: T, index: number) => K,
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    Subject_?: typeof Subject,
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    removeGroupWhenNoSubscribers?: boolean,
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): Operator<T, GroupSource<T, K>>

GroupSource

Signature - source.ts#L2708

Copytype GroupSource<T, K> = ActiveGroupSource<T, K> | RemovedGroupSource<T>
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type GroupSource<T, K> = ActiveGroupSource<T, K> | RemovedGroupSource<T>

ActiveGroupSource

Signature - source.ts#L2690

Copyinterface ActiveGroupSource<T, K> extends Source<T> {
    key: K
    remove(): void
    removed: false
}
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interface ActiveGroupSource<T, K> extends Source<T> {
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    key: K
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    remove(): void
4
    removed: false
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}

RemovedGroupSource

Signature - source.ts#L2699

Copyinterface RemovedGroupSource<T> extends Source<T> {
    key: null
    remove(): void
    removed: true
}
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interface RemovedGroupSource<T> extends Source<T> {
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    key: null
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    remove(): void
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    removed: true
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}