@jbrowse/core/esm/util/aborting.js

JBrowse 2 core libraries used by plugins

import { Observable, fromEvent } from 'rxjs';
class AbortError extends Error {
    code;
}
export function checkAbortSignal(signal) {
    if (!signal) {
        return;
    }
    if (!(signal instanceof AbortSignal)) {
        throw new TypeError('must pass an AbortSignal');
    }
    if (signal.aborted) {
        throw makeAbortError();
    }
}
function timeout(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}
export async function abortBreakPoint(signal) {
    await timeout(1);
    checkAbortSignal(signal);
}
export function makeAbortError() {
    if (typeof DOMException !== 'undefined') {
        return new DOMException('aborted', 'AbortError');
    }
    const e = new AbortError('aborted');
    e.code = 'ERR_ABORTED';
    return e;
}
export function observeAbortSignal(signal) {
    if (!signal) {
        return new Observable();
    }
    return fromEvent(signal, 'abort');
}
export function isAbortException(exception) {
    return (exception instanceof Error &&
        (exception.name === 'AbortError' ||
            exception.code === 'ERR_ABORTED' ||
            /\b(aborted|aborterror)\b/i.test(exception.message)));
}