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refactor(clear): simplify clear() with async iterator + pipeline #10

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merged 1 commit into from
Nov 4, 2025
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refactor(clear): simplify clear() with async iterator + pipeline #10

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37 changes: 15 additions & 22 deletions src/RedisCacheAdapter.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -152,29 +152,22 @@ export class RedisCacheAdapter implements CacheAdapter {

async clear(): Promise<void> {
this.logDebugMessage("Clearing cache...");
return new Promise((resolve, reject) => {
const stream = this.client.scanStream({
match: `${this.keyPrefix}:*`,
});
const pipeline = this.client.pipeline();
stream.on("data", (keys: string[]) => {
if (keys.length) {
keys.forEach(function (key) {
pipeline.del(key);
});
}
});
stream.on("end", () => {
pipeline.exec((err) => {
if (err) {
this.logDebugMessage("Error clearing cache");
return reject(err);
}
this.logDebugMessage("Cleared cache");
resolve();
});
});

const stream = this.client.scanStream({
match: `${this.keyPrefix}:*`,
count: 100,
});

for await (const keys of stream as AsyncIterable<string[]>) {
if (!keys?.length) continue;

const pipeline = this.client.pipeline();
for (const key of keys) {
pipeline.del(key);
}

await pipeline.exec();
}
}

async close() {
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