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refactor: improve type handling

This commit is contained in:
fryorcraken.eth 2022-09-21 16:14:23 +10:00
parent cc3b46ffbb
commit 2d98977ac6
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1 changed files with 4 additions and 6 deletions
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10
src/lib/waku_store/index.ts
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@ -112,9 +112,9 @@ export class WakuStore {
const abort = false;
for await (const promises of this.queryGenerator(decoders, options)) {
if (abort) break;
let messages = await Promise.all(promises);
const messagesOrUndef: Array<T | undefined> = await Promise.all(promises);
messages = messages.filter(isWakuMessageDefined);
let messages: Array<T> = messagesOrUndef.filter(isDefined);
// Messages in pages are ordered from oldest (first) to most recent (last).
// https://github.com/vacp2p/rfc/issues/533
@ -370,8 +370,6 @@ async function* paginate<T extends Message>(
}
}
export const isWakuMessageDefined = (
msg: Message | undefined
): msg is Message => {
export function isDefined<T>(msg: T | undefined): msg is T {
return !!msg;
};
}