groupBy

groupBy

Source Location: packages/core/src/source.ts#L2527

Signature

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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

Source Location: packages/core/src/source.ts#L2614

Signature

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

ActiveGroupSource

Source Location: packages/core/src/source.ts#L2596

Signature

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

RemovedGroupSource

Source Location: packages/core/src/source.ts#L2605

Signature

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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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}