@camunda8/sdk/dist/lib/PollingOperation.js

[](https://www.npmjs.com/package/@camunda8/sdk)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PollingOperation = PollingOperation;
function defaultPredicate(result) {
    return (result !== null &&
        result !== undefined &&
        result.items &&
        result.items.length > 0);
}
class PredicateError extends Error {
    constructor(message) {
        super(message);
        this.name = 'PredicateError';
        // Ensure the prototype chain is correctly set up
        Object.setPrototypeOf(this, PredicateError.prototype);
        this.result = null;
    }
}
function PollingOperation(options) {
    const interval = options.interval || 1000;
    const timeout = options.timeout || 30000;
    const operation = options.operation;
    // Use default predicate if no predicate provided, otherwise use provided predicate
    const predicate = options.predicate || defaultPredicate;
    return new Promise((resolve, reject) => {
        const startTime = Date.now();
        const poll = async () => {
            try {
                const result = await operation();
                // eslint-disable-next-line @typescript-eslint/no-explicit-any
                if (!predicate(result)) {
                    const error = new PredicateError('Predicate did not match');
                    error.result = result;
                    throw error;
                }
                resolve(result);
            }
            catch (error) {
                if (Date.now() - startTime < timeout) {
                    setTimeout(poll, interval);
                }
                else {
                    reject(error);
                }
            }
        };
        poll();
    });
}
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