fix: multiple same request event listener (#8404)

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Junyan 2022-05-31 04:34:08 +08:00 committed by GitHub
parent d111d19f78
commit 92110151d9
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2 changed files with 14 additions and 8 deletions

View File

@ -631,11 +631,13 @@ export class Page extends EventEmitter {
handler: (event: PageEventObject[K]) => void
): EventEmitter {
if (eventName === 'request') {
const wrap = (event: HTTPRequest) => {
event.enqueueInterceptAction(() =>
handler(event as PageEventObject[K])
);
};
const wrap =
this._handlerMap.get(handler) ||
((event: HTTPRequest) => {
event.enqueueInterceptAction(() =>
handler(event as PageEventObject[K])
);
});
this._handlerMap.set(handler, wrap);

View File

@ -153,17 +153,21 @@ describe('Page', function () {
}
};
page.on('request', onResponse);
page.on('request', onResponse);
await page.goto(server.EMPTY_PAGE);
expect(handler.callCount).toBe(1);
expect(handler.callCount).toBe(2);
page.off('request', onResponse);
await page.goto(server.EMPTY_PAGE);
// Still one because we removed the handler.
expect(handler.callCount).toBe(1);
expect(handler.callCount).toBe(3);
page.off('request', onResponse);
await page.goto(server.EMPTY_PAGE);
expect(handler.callCount).toBe(3);
page.on('request', onResponse);
await page.goto(server.EMPTY_PAGE);
// Two now because we added the handler back.
expect(handler.callCount).toBe(2);
expect(handler.callCount).toBe(4);
});
});