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Core: Restore original clipboard after invoking userEvent.setup() #31730

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Merged
ghengeveld merged 2 commits into from
Jun 11, 2025
Merged

Core: Restore original clipboard after invoking userEvent.setup() #31730

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08e9cad
Restore original clipboard after invoking userEvent.setup()
ghengeveld Jun 10, 2025
7bcaf86
Prevent destructuring of undefined
ghengeveld Jun 11, 2025
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9 changes: 8 additions & 1 deletion code/core/src/test/preview.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -92,12 +92,19 @@ const enhanceContext: LoaderFunction = async (context) => {

// userEvent.setup() cannot be called in non browser environment and will attempt to access window.navigator.clipboard
// which will throw an error in react native for example.
if (globalThis.window?.navigator?.clipboard) {
const clipboard = globalThis.window?.navigator?.clipboard;
if (clipboard) {
context.userEvent = instrument(
{ userEvent: uninstrumentedUserEvent.setup() },
{ intercept: true }
).userEvent;

// Restore original clipboard, which was replaced with a stub by userEvent.setup()
Object.defineProperty(globalThis.window.navigator, 'clipboard', {
get: () => clipboard,
configurable: true,
});

let currentFocus = HTMLElement.prototype.focus;

if (!patchedFocus) {
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