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mergeUpdates on array with single entry just returns the first entry

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Kevin Jahns 2021-09-23 22:14:29 +02:00
parent 633eb9033c
commit f1ab417570
1 changed files with 5 additions and 1 deletions
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6
src/utils/updates.js
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@ -287,6 +287,9 @@ const sliceStruct = (left, diff) => {
* @return {Uint8Array}
*/
export const mergeUpdatesV2 = (updates, YDecoder = UpdateDecoderV2, YEncoder = UpdateEncoderV2) => {
if (updates.length === 1) {
return updates[0]
}
const updateDecoders = updates.map(update => new YDecoder(decoding.createDecoder(update)))
let lazyStructDecoders = updateDecoders.map(decoder => new LazyStructReader(decoder, true))
@ -312,8 +315,9 @@ export const mergeUpdatesV2 = (updates, YDecoder = UpdateDecoderV2, YEncoder = U
if (dec1.curr.id.client === dec2.curr.id.client) {
const clockDiff = dec1.curr.id.clock - dec2.curr.id.clock
if (clockDiff === 0) {
// @todo remove references to skip since the structDecoders must filter Skips.
return dec1.curr.constructor === dec2.curr.constructor ? 0 : (
dec1.curr.constructor === Skip ? 1 : -1
dec1.curr.constructor === Skip ? 1 : -1 // we are filtering skips anyway.
)
} else {
return clockDiff