From 642f9bcb5d4a8c2455569117ef2984fe09c3acd4 Mon Sep 17 00:00:00 2001
From: patak <matias.capeletto@gmail.com>
Date: Wed, 29 Nov 2023 08:13:27 +0100
Subject: [PATCH] refactor: align with Promise.withResolvers() (#15171)

---
 packages/vite/src/node/optimizer/index.ts     | 13 -----------
 packages/vite/src/node/optimizer/optimizer.ts | 17 +++++---------
 packages/vite/src/node/utils.ts               | 15 +++++++++++++
 playground/test-utils.ts                      | 22 ++++++++++++++-----
 4 files changed, 37 insertions(+), 30 deletions(-)

diff --git a/packages/vite/src/node/optimizer/index.ts b/packages/vite/src/node/optimizer/index.ts
index 3bdb0620e7683f..12e40fef5ff14f 100644
--- a/packages/vite/src/node/optimizer/index.ts
+++ b/packages/vite/src/node/optimizer/index.ts
@@ -166,11 +166,6 @@ export interface DepOptimizationResult {
   cancel: () => void
 }
 
-export interface DepOptimizationProcessing {
-  promise: Promise<void>
-  resolve: () => void
-}
-
 export interface OptimizedDepInfo {
   id: string
   file: string
@@ -885,14 +880,6 @@ export async function addManuallyIncludedOptimizeDeps(
   }
 }
 
-export function newDepOptimizationProcessing(): DepOptimizationProcessing {
-  let resolve: () => void
-  const promise = new Promise((_resolve) => {
-    resolve = _resolve
-  }) as Promise<void>
-  return { promise, resolve: resolve! }
-}
-
 // Convert to { id: src }
 export function depsFromOptimizedDepInfo(
   depsInfo: Record<string, OptimizedDepInfo>,
diff --git a/packages/vite/src/node/optimizer/optimizer.ts b/packages/vite/src/node/optimizer/optimizer.ts
index edb4af5232b995..f580f98a0af622 100644
--- a/packages/vite/src/node/optimizer/optimizer.ts
+++ b/packages/vite/src/node/optimizer/optimizer.ts
@@ -1,5 +1,6 @@
 import colors from 'picocolors'
-import { createDebugger, getHash } from '../utils'
+import { createDebugger, getHash, promiseWithResolvers } from '../utils'
+import type { PromiseWithResolvers } from '../utils'
 import { getDepOptimizationConfig } from '../config'
 import type { ResolvedConfig, ViteDevServer } from '..'
 import {
@@ -14,17 +15,11 @@ import {
   getOptimizedDepPath,
   initDepsOptimizerMetadata,
   loadCachedDepOptimizationMetadata,
-  newDepOptimizationProcessing,
   optimizeServerSsrDeps,
   runOptimizeDeps,
   toDiscoveredDependencies,
 } from '.'
-import type {
-  DepOptimizationProcessing,
-  DepOptimizationResult,
-  DepsOptimizer,
-  OptimizedDepInfo,
-} from '.'
+import type { DepOptimizationResult, DepsOptimizer, OptimizedDepInfo } from '.'
 
 const debug = createDebugger('vite:deps')
 
@@ -142,8 +137,8 @@ async function createDepsOptimizer(
     }
   }
 
-  let depOptimizationProcessing = newDepOptimizationProcessing()
-  let depOptimizationProcessingQueue: DepOptimizationProcessing[] = []
+  let depOptimizationProcessing = promiseWithResolvers<void>()
+  let depOptimizationProcessingQueue: PromiseWithResolvers<void>[] = []
   const resolveEnqueuedProcessingPromises = () => {
     // Resolve all the processings (including the ones which were delayed)
     for (const processing of depOptimizationProcessingQueue) {
@@ -269,7 +264,7 @@ async function createDepsOptimizer(
 
     // Create a new promise for the next rerun, discovered missing
     // dependencies will be assigned this promise from this point
-    depOptimizationProcessing = newDepOptimizationProcessing()
+    depOptimizationProcessing = promiseWithResolvers()
   }
 
   function prepareKnownDeps() {
diff --git a/packages/vite/src/node/utils.ts b/packages/vite/src/node/utils.ts
index 032dea8b79f5ed..4e893968c44444 100644
--- a/packages/vite/src/node/utils.ts
+++ b/packages/vite/src/node/utils.ts
@@ -1331,3 +1331,18 @@ export function isDevServer(
 ): server is ViteDevServer {
   return 'pluginContainer' in server
 }
+
+export interface PromiseWithResolvers<T> {
+  promise: Promise<T>
+  resolve: (value: T | PromiseLike<T>) => void
+  reject: (reason?: any) => void
+}
+export function promiseWithResolvers<T>(): PromiseWithResolvers<T> {
+  let resolve: any
+  let reject: any
+  const promise = new Promise<T>((_resolve, _reject) => {
+    resolve = _resolve
+    reject = _reject
+  })
+  return { promise, resolve, reject }
+}
diff --git a/playground/test-utils.ts b/playground/test-utils.ts
index af5c3f65e42bd6..0e2f54fc7c6298 100644
--- a/playground/test-utils.ts
+++ b/playground/test-utils.ts
@@ -267,12 +267,7 @@ async function untilBrowserLog(
   target?: string | RegExp | Array<string | RegExp>,
   expectOrder = true,
 ): Promise<string[]> {
-  let resolve: () => void
-  let reject: (reason: any) => void
-  const promise = new Promise<void>((_resolve, _reject) => {
-    resolve = _resolve
-    reject = _reject
-  })
+  const { promise, resolve, reject } = promiseWithResolvers<void>()
 
   const logs = []
 
@@ -363,3 +358,18 @@ export async function killProcess(
     serverProcess.kill('SIGTERM', { forceKillAfterTimeout: 2000 })
   }
 }
+
+export interface PromiseWithResolvers<T> {
+  promise: Promise<T>
+  resolve: (value: T | PromiseLike<T>) => void
+  reject: (reason?: any) => void
+}
+export function promiseWithResolvers<T>(): PromiseWithResolvers<T> {
+  let resolve: any
+  let reject: any
+  const promise = new Promise<T>((_resolve, _reject) => {
+    resolve = _resolve
+    reject = _reject
+  })
+  return { promise, resolve, reject }
+}