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fix(cdk/platform): avoid error during server-side rendering if document is stubbed out #22260

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Merged
merged 1 commit into from
Mar 19, 2021
Merged

fix(cdk/platform): avoid error during server-side rendering if document is stubbed out #22260

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5 changes: 3 additions & 2 deletions src/cdk/platform/features/scrolling.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -34,8 +34,9 @@ let scrollBehaviorSupported: boolean|undefined;
/** Check whether the browser supports scroll behaviors. */
export function supportsScrollBehavior(): boolean {
if (scrollBehaviorSupported == null) {
// If we're not in the browser, it can't be supported.
if (typeof document !== 'object' || !document) {
// If we're not in the browser, it can't be supported. Also check for `Element`, because
// some projects stub out the global `document` during SSR which can throw us off.
if (typeof document !== 'object' || !document || typeof Element !== 'function' || !Element) {
scrollBehaviorSupported = false;
return scrollBehaviorSupported;
}
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