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use actual file size in dl progress. detect cancelled stream

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Danny Coates 2018-07-23 15:12:58 -07:00
parent 2afe79c941
commit 5483dc2506
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GPG key ID: 4C442633C62E00CB
6 changed files with 35 additions and 30 deletions
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9
app/streams.js
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@ -1,6 +1,6 @@
/* global ReadableStream TransformStream */
export function transformStream(readable, transformer) {
export function transformStream(readable, transformer, oncancel) {
if (typeof TransformStream === 'function') {
return readable.pipeThrough(new TransformStream(transformer));
}
@ -30,8 +30,11 @@ export function transformStream(readable, transformer) {
await transformer.transform(data.value, wrappedController);
}
},
cancel() {
readable.cancel();
cancel(reason) {
readable.cancel(reason);
if (oncancel) {
oncancel(reason);
}
}
});
}