got/dist/source/core/utils/unhandle.js

Human-friendly and powerful HTTP request library for Node.js

// When attaching listeners, it's very easy to forget about them.
// Especially if you do error handling and set timeouts.
// So instead of checking if it's proper to throw an error on every timeout ever,
// use this simple tool which will remove all listeners you have attached.
export default function unhandle() {
    const handlers = [];
    return {
        once(origin, event, function_) {
            origin.once(event, function_);
            handlers.push({ origin, event, fn: function_ });
        },
        unhandleAll() {
            for (const handler of handlers) {
                const { origin, event, fn } = handler;
                origin.removeListener(event, fn);
            }
            handlers.length = 0;
        },
    };
}