@sema-agent/core/dist/core/runner/abort-race.js

Stateless, task-oriented AI agent core

export function composeCallSignal(runSignal, callSignal) {
    return callSignal !== undefined ? AbortSignal.any([runSignal, callSignal]) : runSignal;
}
export function raceSettlementAgainstSignal(p, signal) {
    const settled = p.then((value) => ({ tag: "value", value }), (error) => ({ tag: "threw", error }));
    if (signal.aborted)
        return Promise.resolve({ tag: "aborted" });
    return new Promise((resolve) => {
        let done = false;
        const finish = (r) => {
            if (done)
                return;
            done = true;
            signal.removeEventListener("abort", onAbortEvent);
            resolve(r);
        };
        const onAbortEvent = () => finish({ tag: "aborted" });
        signal.addEventListener("abort", onAbortEvent, { once: true });
        void settled.then(finish);
    });
}
export function raceAbort(p, signal, onAbort) {
    if (signal.aborted)
        return Promise.resolve(onAbort());
    return new Promise((resolve) => {
        let settled = false;
        const finish = (v) => {
            if (settled)
                return;
            settled = true;
            signal.removeEventListener("abort", onAbortEvent);
            resolve(v);
        };
        const onAbortEvent = () => finish(onAbort());
        signal.addEventListener("abort", onAbortEvent, { once: true });
        p.then(finish, () => finish(onAbort()));
    });
}