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Throw a more helpful error if Buffer is undefined in decoder #93

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merged 1 commit into from Jul 15, 2021
Merged

Throw a more helpful error if Buffer is undefined in decoder #93

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14 changes: 10 additions & 4 deletions lib/decoder.js
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Expand Up @@ -1123,13 +1123,19 @@ function decode(jpegData, userOpts = {}) {
if(decoder.comments.length > 0) {
image["comments"] = decoder.comments;
}
} catch (err){
if (err instanceof RangeError){
} catch (err) {
if (err instanceof RangeError) {
throw new Error("Could not allocate enough memory for the image. " +
"Required: " + bytesNeeded);
} else {
throw err;
}

if (err instanceof ReferenceError) {
if (err.message === "Buffer is not defined") {
throw new Error("Buffer is not globally defined in this environment. " +
"Consider setting useTArray to true");
}
}
throw err;
}

decoder.copyToImageData(image, opts.formatAsRGBA);
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