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fix: decode UTF-8 text artifacts correctly in getTextContent() #453

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fix: decode UTF-8 text artifacts correctly in getTextContent() #453

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6 changes: 5 additions & 1 deletion src/app/components/artifact-tab/artifact-tab.component.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -158,7 +158,11 @@ export class ArtifactTabComponent implements OnChanges {
if (commaIndex === -1) return '';
const base64 = dataUrl.substring(commaIndex + 1);
try {
return atob(base64);
// Use decodeURIComponent(escape(...)) to correctly reconstruct Unicode
// strings from UTF-8 byte sequences produced by renderArtifact()'s
// btoa(unescape(encodeURIComponent(text))) encoding.
// Plain atob() returns a Latin-1 string, causing garbled non-ASCII text.
return decodeURIComponent(escape(atob(base64)));
} catch (e) {
return 'Failed to decode text content';
}
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