@cerbos/core/lib/transport.js

Common types used by the Cerbos client libraries

import { NotOK } from "./errors/external.js";
import { joinErrorMessage } from "./errors/internal.js";
import { Status } from "./types/external.js";
/** @internal */
export class AbortHandler {
    signal;
    constructor(signal) {
        this.signal = signal;
    }
    throwIfAborted() {
        if (this.signal?.aborted) {
            throw this.error();
        }
    }
    onAbort(listener) {
        this.signal?.addEventListener("abort", () => {
            listener(this.error());
        }, { once: true });
    }
    error() {
        const reason = this.signal?.reason;
        return new NotOK(Status.CANCELLED, joinErrorMessage("Aborted", reason), {
            cause: reason,
        });
    }
}
const instrumenters = new Set();
/** @internal */
export function addInstrumenter(instrumenter) {
    instrumenters.add(instrumenter);
}
/** @internal */
export function removeInstrumenter(instrumenter) {
    instrumenters.delete(instrumenter);
}
/** @internal */
export function instrument(transport) {
    for (const instrumenter of instrumenters) {
        transport = instrumenter(transport);
    }
    return transport;
}
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