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zeppelin/backend/src/utils/async.ts

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Update djs & knub (#395) * update pkgs Signed-off-by: GitHub <noreply@github.com> * new knub typings Signed-off-by: GitHub <noreply@github.com> * more pkg updates Signed-off-by: GitHub <noreply@github.com> * more fixes Signed-off-by: GitHub <noreply@github.com> * channel typings Signed-off-by: GitHub <noreply@github.com> * more message utils typings fixes Signed-off-by: GitHub <noreply@github.com> * migrate permissions Signed-off-by: GitHub <noreply@github.com> * fix: InternalPoster webhookables Signed-off-by: GitHub <noreply@github.com> * djs typings: Attachment & Util Signed-off-by: GitHub <noreply@github.com> * more typings Signed-off-by: GitHub <noreply@github.com> * fix: rename permissionNames Signed-off-by: GitHub <noreply@github.com> * more fixes Signed-off-by: GitHub <noreply@github.com> * half the number of errors * knub commands => messageCommands Signed-off-by: GitHub <noreply@github.com> * configPreprocessor => configParser Signed-off-by: GitHub <noreply@github.com> * fix channel.messages Signed-off-by: GitHub <noreply@github.com> * revert automod any typing Signed-off-by: GitHub <noreply@github.com> * more configParser typings Signed-off-by: GitHub <noreply@github.com> * revert Signed-off-by: GitHub <noreply@github.com> * remove knub type params Signed-off-by: GitHub <noreply@github.com> * fix more MessageEmbed / MessageOptions Signed-off-by: GitHub <noreply@github.com> * dumb commit for @almeidx to see why this is stupid Signed-off-by: GitHub <noreply@github.com> * temp disable custom_events Signed-off-by: GitHub <noreply@github.com> * more minor typings fixes - 23 err left Signed-off-by: GitHub <noreply@github.com> * update djs dep * +debug build method (revert this) Signed-off-by: GitHub <noreply@github.com> * Revert "+debug build method (revert this)" This reverts commit a80af1e729b742d1aad1097df538d224fbd32ce7. * Redo +debug build (Revert this) Signed-off-by: GitHub <noreply@github.com> * uniform before/after Load shorthands Signed-off-by: GitHub <noreply@github.com> * remove unused imports & add prettier plugin Signed-off-by: GitHub <noreply@github.com> * env fixes for web platform hosting Signed-off-by: GitHub <noreply@github.com> * feat: knub v32-next; related fixes * fix: allow legacy keys in change_perms action * fix: request Message Content intent * fix: use Knub's config validation logic in API * fix(dashboard): fix error when there are no message and/or slash commands in a plugin * fix(automod): start_thread action thread options * fix(CustomEvents): message command types * chore: remove unneeded type annotation * feat: add forum channel icon; use thread icon for news threads * chore: make tslint happy * chore: fix formatting --------- Signed-off-by: GitHub <noreply@github.com> Co-authored-by: almeidx <almeidx@pm.me> Co-authored-by: Dragory <2606411+Dragory@users.noreply.github.com>
2023-04-01 12:58:17 +01:00
import { Awaitable } from "./typeUtils";
export async function asyncReduce<T, V>(
arr: T[],
callback: (accumulator: V, currentValue: T, index: number, array: T[]) => Awaitable<V>,
initialValue?: V,
): Promise<V> {
let accumulator;
let arrayToIterate;
if (initialValue !== undefined) {
accumulator = initialValue;
arrayToIterate = arr;
} else {
accumulator = arr[0];
arrayToIterate = arr.slice(1);
}
for (const [i, currentValue] of arr.entries()) {
accumulator = await callback(accumulator, currentValue, i, arr);
}
return accumulator;
}
export function asyncFilter<T>(
arr: T[],
callback: (element: T, index: number, array: T[]) => Awaitable<boolean>,
): Promise<T[]> {
return asyncReduce<T, T[]>(
arr,
async (newArray, element, i, _arr) => {
if (await callback(element, i, _arr)) {
newArray.push(element);
}
return newArray;
},
[],
);
}
export function asyncMap<T, V>(
arr: T[],
callback: (currentValue: T, index: number, array: T[]) => Awaitable<V>,
): Promise<V[]> {
return asyncReduce<T, V[]>(
arr,
async (newArray, element, i, _arr) => {
newArray.push(await callback(element, i, _arr));
return newArray;
},
[],
);
}