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author | crupest <crupest@outlook.com> | 2020-09-01 02:32:06 +0800 |
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committer | crupest <crupest@outlook.com> | 2020-09-01 02:32:06 +0800 |
commit | aa89b6cce7701a57b0c377d938788b4c940013d6 (patch) | |
tree | ae95cb16698439ac825eb1d692ce14125b625ecb /Timeline/ClientApp/src/app/views/common/BlobImage.tsx | |
parent | c3e95a6cd7322c644159eed6350a20dfd1a002ff (diff) | |
download | timeline-aa89b6cce7701a57b0c377d938788b4c940013d6.tar.gz timeline-aa89b6cce7701a57b0c377d938788b4c940013d6.tar.bz2 timeline-aa89b6cce7701a57b0c377d938788b4c940013d6.zip |
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Diffstat (limited to 'Timeline/ClientApp/src/app/views/common/BlobImage.tsx')
-rw-r--r-- | Timeline/ClientApp/src/app/views/common/BlobImage.tsx | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/Timeline/ClientApp/src/app/views/common/BlobImage.tsx b/Timeline/ClientApp/src/app/views/common/BlobImage.tsx new file mode 100644 index 00000000..0dd25c52 --- /dev/null +++ b/Timeline/ClientApp/src/app/views/common/BlobImage.tsx @@ -0,0 +1,27 @@ +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; |