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Do not fail when trying to find DE window with cross origin (#231)

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* Do not fail when trying to find DE window with cross origin

* Fix lint errors
This commit is contained in:
Tanuj Mittal 2020-09-25 14:49:11 -07:00 committed by GitHub
parent dcc2036793
commit 70c7d84bdb
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 23 additions and 18 deletions
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19
src/Common/MessageHandler.ts
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@ -49,16 +49,15 @@ export function sendCachedDataMessage<TResponseDataModel>(
export function sendMessage(data: any): void { export function sendMessage(data: any): void {
if (canSendMessage()) { if (canSendMessage()) {
const dataExplorerWindow = getDataExplorerWindow(window); // We try to find data explorer window first, then fallback to current window
if (dataExplorerWindow) { const portalChildWindow = getDataExplorerWindow(window) || window;
dataExplorerWindow.parent.postMessage( portalChildWindow.parent.postMessage(
{ {
signature: "pcIframe", signature: "pcIframe",
data: data data: data
}, },
dataExplorerWindow.document.referrer portalChildWindow.document.referrer
); );
}
} }
} }

22
src/Utils/WindowUtils.ts
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@ -2,15 +2,21 @@ export const getDataExplorerWindow = (currentWindow: Window): Window | undefined
// Start with the current window and traverse up the parent hierarchy to find a window // Start with the current window and traverse up the parent hierarchy to find a window
// with `dataExplorerPlatform` property // with `dataExplorerPlatform` property
let dataExplorerWindow: Window | undefined = currentWindow; let dataExplorerWindow: Window | undefined = currentWindow;
// TODO: Need to `any` here since the window imports Explorer which can't be in strict mode yet
// eslint-disable-next-line @typescript-eslint/no-explicit-any try {
while (dataExplorerWindow && (dataExplorerWindow as any).dataExplorerPlatform === undefined) { // TODO: Need to `any` here since the window imports Explorer which can't be in strict mode yet
// If a window does not have a parent, its parent property is a reference to itself. // eslint-disable-next-line @typescript-eslint/no-explicit-any
if (dataExplorerWindow.parent === dataExplorerWindow) { while (dataExplorerWindow && (dataExplorerWindow as any).dataExplorerPlatform === undefined) {
dataExplorerWindow = undefined; // If a window does not have a parent, its parent property is a reference to itself.
} else { if (dataExplorerWindow.parent === dataExplorerWindow) {
dataExplorerWindow = dataExplorerWindow.parent; dataExplorerWindow = undefined;
} else {
dataExplorerWindow = dataExplorerWindow.parent;
}
} }
} catch (error) {
// This can happen if we come across parent from a different origin
dataExplorerWindow = undefined;
} }
return dataExplorerWindow; return dataExplorerWindow;