26 lines
676 B
TypeScript
26 lines
676 B
TypeScript
/**
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* Image file extensions that we know the browser is unlikely to have native
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* support for.
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*/
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const nonWebImageFileExtensions = [
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"heic",
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"rw2",
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"tiff",
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"arw",
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"cr3",
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"cr2",
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"raf",
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"nef",
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"psd",
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"dng",
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"tif",
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];
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/**
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* Return `true` if {@link extension} is from amongst a known set of image file
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* extensions that we know that the browser is unlikely to have native support
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* for. If we want to display such files in the browser, we'll need to convert
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* them to some other format first.
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*/
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export const isNonWebImageFileExtension = (extension: string) =>
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nonWebImageFileExtensions.includes(extension.toLowerCase());
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