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fix #2419 - fix RESP2 array decoder in edge cases (#2424)

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This commit is contained in:
Leibale Eidelman
2023-02-24 17:34:19 -05:00
committed by GitHub
parent 63e5228ce6
commit e95b258dca
1 changed files with 9 additions and 6 deletions
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15
packages/client/lib/client/RESP2/decoder.ts
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@@ -203,9 +203,9 @@ export default class RESP2Decoder {
this.arrayItemType = undefined;
if (length === -1) {
return this.returnArrayReply(null, arraysToKeep);
return this.returnArrayReply(null, arraysToKeep, chunk);
} else if (length === 0) {
return this.returnArrayReply([], arraysToKeep);
return this.returnArrayReply([], arraysToKeep, chunk);
}
this.arraysInProcess.push({
@@ -235,20 +235,23 @@ export default class RESP2Decoder {
}
}
private returnArrayReply(reply: ArrayReply, arraysToKeep: number): ArrayReply | undefined {
private returnArrayReply(reply: ArrayReply, arraysToKeep: number, chunk?: Buffer): ArrayReply | undefined {
if (this.arraysInProcess.length <= arraysToKeep) return reply;
return this.pushArrayItem(reply, arraysToKeep);
return this.pushArrayItem(reply, arraysToKeep, chunk);
}
private pushArrayItem(item: Reply, arraysToKeep: number): ArrayReply | undefined {
private pushArrayItem(item: Reply, arraysToKeep: number, chunk?: Buffer): ArrayReply | undefined {
const to = this.arraysInProcess[this.arraysInProcess.length - 1]!;
to.array[to.pushCounter] = item;
if (++to.pushCounter === to.array.length) {
return this.returnArrayReply(
this.arraysInProcess.pop()!.array,
arraysToKeep
arraysToKeep,
chunk
);
} else if (chunk && chunk.length > this.cursor) {
return this.parseArray(chunk, arraysToKeep);
}
}
}