X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=shared%2Fcore-utils%2Fcommon%2Fpromises.ts;h=e3792d12e47b5df7d55807c2ba33a7aaecf1a70a;hb=0c9668f77901e7540e2c7045eb0f2974a4842a69;hp=7ef9d60b6a80948e0cbc5ebd4554961d547265c5;hpb=15a7eafb892441957ba7dd6fcbf556086fe5b2b3;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/shared/core-utils/common/promises.ts b/shared/core-utils/common/promises.ts
index 7ef9d60b6..e3792d12e 100644
--- a/shared/core-utils/common/promises.ts
+++ b/shared/core-utils/common/promises.ts
@@ -1,12 +1,58 @@
-function isPromise (value: any) {
-  return value && typeof value.then === 'function'
+export function isPromise <T = unknown> (value: T | Promise<T>): value is Promise<T> {
+  return value && typeof (value as Promise<T>).then === 'function'
 }
 
-function isCatchable (value: any) {
+export function isCatchable (value: any) {
   return value && typeof value.catch === 'function'
 }
 
-export {
-  isPromise,
-  isCatchable
+export function timeoutPromise <T> (promise: Promise<T>, timeoutMs: number) {
+  let timer: ReturnType<typeof setTimeout>
+
+  return Promise.race([
+    promise,
+
+    new Promise((_res, rej) => {
+      timer = setTimeout(() => rej(new Error('Timeout')), timeoutMs)
+    })
+  ]).finally(() => clearTimeout(timer))
+}
+
+export function promisify0<A> (func: (cb: (err: any, result: A) => void) => void): () => Promise<A> {
+  return function promisified (): Promise<A> {
+    return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => {
+      // eslint-disable-next-line no-useless-call
+      func.apply(null, [ (err: any, res: A) => err ? reject(err) : resolve(res) ])
+    })
+  }
+}
+
+// Thanks to https://gist.github.com/kumasento/617daa7e46f13ecdd9b2
+export function promisify1<T, A> (func: (arg: T, cb: (err: any, result: A) => void) => void): (arg: T) => Promise<A> {
+  return function promisified (arg: T): Promise<A> {
+    return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => {
+      // eslint-disable-next-line no-useless-call
+      func.apply(null, [ arg, (err: any, res: A) => err ? reject(err) : resolve(res) ])
+    })
+  }
+}
+
+// eslint-disable-next-line max-len
+export function promisify2<T, U, A> (func: (arg1: T, arg2: U, cb: (err: any, result: A) => void) => void): (arg1: T, arg2: U) => Promise<A> {
+  return function promisified (arg1: T, arg2: U): Promise<A> {
+    return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => {
+      // eslint-disable-next-line no-useless-call
+      func.apply(null, [ arg1, arg2, (err: any, res: A) => err ? reject(err) : resolve(res) ])
+    })
+  }
+}
+
+// eslint-disable-next-line max-len
+export function promisify3<T, U, V, A> (func: (arg1: T, arg2: U, arg3: V, cb: (err: any, result: A) => void) => void): (arg1: T, arg2: U, arg3: V) => Promise<A> {
+  return function promisified (arg1: T, arg2: U, arg3: V): Promise<A> {
+    return new Promise<A>((resolve: (arg: A) => void, reject: (err: any) => void) => {
+      // eslint-disable-next-line no-useless-call
+      func.apply(null, [ arg1, arg2, arg3, (err: any, res: A) => err ? reject(err) : resolve(res) ])
+    })
+  }
 }