@tempest/core/lib/scheduler/PropagateTask.js

The core of the Tempest Stream Library

import { fatalError } from '../util/fatalError';
export class PropagateTask {
    constructor(run, value, sink) {
        this._run = run;
        this.value = value;
        this.sink = sink;
        this.active = true;
    }
    static event(value, sink) {
        return new PropagateTask(event, value, sink);
    }
    static error(err, sink) {
        return new PropagateTask(error, err, sink);
    }
    static end(value, sink) {
        return new PropagateTask(end, value, sink);
    }
    run(time) {
        if (!this.active)
            return;
        this._run(time, this.value, this.sink);
    }
    error(time, err) {
        if (!this.active)
            fatalError(err);
        this.active = false;
        this.sink.error(time, err);
    }
    dispose() {
        this.active = false;
    }
}
function event(time, value, sink) {
    sink.event(time, value);
}
function error(time, err, sink) {
    sink.error(time, err);
}
function end(time, value, sink) {
    sink.end(time, value);
}
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