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Add comments explaining network access restrictions in iframe sandbox #1123

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Merged
merged 1 commit into from
Jul 29, 2025
Merged

Add comments explaining network access restrictions in iframe sandbox #1123

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2 changes: 2 additions & 0 deletions tslib/react/src/hooks/useEvalTrialFilter.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -79,8 +79,10 @@ export const useEvalTrialFilter = <T extends Trial>(): [
const renderIframeSandbox = () => {
const iframeSrcDoc = `
<script>
// Disable network access in the iframe for security reasons
window.fetch = () => { throw new Error("Unexpected") }
window.XMLHttpRequest = () => { throw new Error("Unexpected") }

window.addEventListener('message', (event) => {
const { data } = event;
if (typeof data !== 'object' || data.type !== 'filter') return;
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