nginx-testing/lib/internal/useCleanup.js

Support for integration/acceptance testing of nginx configuration.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.useCleanup = void 0;
const logger_1 = require("../logger");
/**
 * Returns a tuple of two functions:
 *
 * 1. **onCleanup**: Queues the given function to be run by `cleanup()`.
 *    It may be called multiple times; the functions are added to a LIFO
 *    queue, i.e. they will be called in reverse order.
 * 2. **cleanup**: Runs the functions given to `onCleanup()`.
 */
function useCleanup({ registerExitHook } = {}) {
    const funcs = [];
    const cleanup = async () => {
        let fn;
        while ((fn = funcs.pop())) {
            try {
                const res = fn();
                if (res && 'then' in res) {
                    await res;
                }
            }
            catch (err) {
                logger_1.log.error(err);
            }
        }
        if (registerExitHook) {
            process.removeListener('exit', cleanup);
        }
    };
    const onCleanup = funcs.push.bind(funcs);
    if (registerExitHook) {
        process.once('exit', cleanup);
    }
    return [onCleanup, cleanup];
}
exports.useCleanup = useCleanup;
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