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fix(chromium): lifecycle events race (#4369)

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Dmitry Gozman 2020-11-06 13:37:15 -08:00 committed by GitHub
parent c83ac444b4
commit 3db8b23b25
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1 changed files with 13 additions and 10 deletions
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23
src/server/chromium/crPage.ts
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@ -384,7 +384,8 @@ class FrameSession {
const { windowId } = await this._client.send('Browser.getWindowForTarget');
this._windowId = windowId;
}
let lifecycleEventsEnabled: Promise<any>;
let isInitialLifecycle = true;
if (!this._isMainFrame())
this._addSessionListeners();
const promises: Promise<any>[] = [
@ -406,20 +407,22 @@ class FrameSession {
frame._evaluateExpression(binding.source, false, {}).catch(e => {});
}
const isInitialEmptyPage = this._isMainFrame() && this._page.mainFrame().url() === ':';
if (isInitialEmptyPage) {
if (!isInitialEmptyPage)
this._firstNonInitialNavigationCommittedFulfill();
this._eventListeners.push(helper.addEventListener(this._client, 'Page.lifecycleEvent', event => {
// Ignore lifecycle events for the initial empty page. It is never the final page
// hence we are going to get more lifecycle updates after the actual navigation has
// started (even if the target url is about:blank).
lifecycleEventsEnabled.then(() => {
this._eventListeners.push(helper.addEventListener(this._client, 'Page.lifecycleEvent', event => this._onLifecycleEvent(event)));
});
} else {
this._firstNonInitialNavigationCommittedFulfill();
this._eventListeners.push(helper.addEventListener(this._client, 'Page.lifecycleEvent', event => this._onLifecycleEvent(event)));
}
// Note: isInitialLifecycle is reset after the Page.setLifecycleEventsEnabled response.
const ignoreLifecycle = isInitialLifecycle && isInitialEmptyPage;
if (!ignoreLifecycle)
this._onLifecycleEvent(event);
}));
}),
this._client.send('Log.enable', {}),
lifecycleEventsEnabled = this._client.send('Page.setLifecycleEventsEnabled', { enabled: true }),
this._client.send('Page.setLifecycleEventsEnabled', { enabled: true }).then(() => {
isInitialLifecycle = true;
}),
this._client.send('Runtime.enable', {}),
this._client.send('Page.addScriptToEvaluateOnNewDocument', {
source: sourceMap.generateSourceUrl(),