@tempest/core/lib/util/IndexSink.js

The core of the Tempest Stream Library

export class IndexSink {
    constructor(index, sink) {
        this.index = index;
        this.sink = sink;
        this.active = true;
        this.value = void 0;
    }
    event(time, value) {
        if (!this.active)
            return;
        this.value = value;
        this.sink.event(time, { index: this.index, value: this.value });
    }
    error(time, err) {
        this.sink.error(time, err);
    }
    end(time, value) {
        if (!this.active)
            return;
        this.active = false;
        this.sink.end(time, { index: this.index, value });
    }
}
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