syphonx-core/dist/esm/lib/attempt.js

SyphonX is a template-driven solution for extracting data from HTML in a highly efficient way. It combines the power of jQuery, Regular Expressions, and Javascript into a declarative template-driven format that extracts and reshapes HTML data into JSON.

import { sleep } from "./index.js";
export async function attempt(onTry, onBeforeRetry, options) {
    const { retries = 2, retryDelay = [1, 10, 30], rethrow = true, quiet = false } = options || {};
    if (!onBeforeRetry)
        onBeforeRetry = () => true;
    let retry = 0;
    while (true) {
        try {
            const result = await onTry();
            return { result };
        }
        catch (error) {
            if (++retry <= retries && onBeforeRetry(error)) {
                if (!quiet)
                    console.warn(`${error instanceof Error ? error.message : JSON.stringify(error)}`);
                const seconds = retryDelay[retry - 1] || retryDelay[retryDelay.length - 1];
                if (!quiet)
                    console.log(`RETRY #${retry}/${retries} sleeping for ${seconds} seconds...`);
                await sleep(seconds * 1000);
            }
            else if (rethrow) {
                throw error;
            }
            else {
                return { error };
            }
        }
    }
}
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