leftypol_lainchan/js/lcn/utils.js

/**
 * @file Utils for leftychan javascript.
 * @author jonsmy
 */

const assert = {
    "equal": (actual, expected, message="No message set") => {
        if (actual !== expected) {
            const err = new Error(`Assertion Failed. ${message}`);
            err.data = { actual, expected}
            //Error.captureStackTrace?.(err, assert.equal);
            debugger;
            throw err;
        }
    },
    "ok": (actual, message="No message set") => {
        if (!actual) {
            const err = new Error(`Assertion Failed. ${message}`);
            err.data = { actual }
            //Error.captureStackTrace?.(err, assert.ok);
            debugger;
            throw err;
        }
    }
};

if (AbortSignal.any == null) {
    AbortSignal.any = (signals) => {
        const controller = new AbortController();
        const abortFn = () => {
            for (const signal of signals) {
                signal.removeEventListener("abort", abortFn);
            }
            controller.abort();
        }

        for (const signal of signals) {
            signal.addEventListener("abort", abortFn);
        }

        return controller.signal;
    }
}