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authorcrupest <crupest@outlook.com>2021-06-15 14:14:28 +0800
committercrupest <crupest@outlook.com>2021-06-15 14:14:28 +0800
commit47587812b809fee2a95c76266d9d0e42fc4ac1ca (patch)
treebfaa7320c838e21edf88b5a037263f89a8012222 /FrontEnd/src/views/common/BlobImage.tsx
parentda26373c7fc13cded47428b27638b349b0432437 (diff)
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-rw-r--r--FrontEnd/src/views/common/BlobImage.tsx27
1 files changed, 27 insertions, 0 deletions
diff --git a/FrontEnd/src/views/common/BlobImage.tsx b/FrontEnd/src/views/common/BlobImage.tsx
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+++ b/FrontEnd/src/views/common/BlobImage.tsx
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+import React from "react";
+
+const BlobImage: React.FC<
+ Omit<React.ImgHTMLAttributes<HTMLImageElement>, "src"> & {
+ blob?: Blob | unknown;
+ }
+> = (props) => {
+ const { blob, ...otherProps } = props;
+
+ const [url, setUrl] = React.useState<string | undefined>(undefined);
+
+ React.useEffect(() => {
+ if (blob instanceof Blob) {
+ const url = URL.createObjectURL(blob);
+ setUrl(url);
+ return () => {
+ URL.revokeObjectURL(url);
+ };
+ } else {
+ setUrl(undefined);
+ }
+ }, [blob]);
+
+ return <img {...otherProps} src={url} />;
+};
+
+export default BlobImage;