From 47a41501095ac6b97b37eb7b049cff7dcb21bac8 Mon Sep 17 00:00:00 2001
From: yoho <panyoho@gmail.com>
Date: Tue, 19 Apr 2022 20:12:42 +0800
Subject: [PATCH] fix: useless chunk cache

---
 packages/vite/src/node/plugins/worker.ts | 28 ++----------------------
 1 file changed, 2 insertions(+), 26 deletions(-)

diff --git a/packages/vite/src/node/plugins/worker.ts b/packages/vite/src/node/plugins/worker.ts
index 49fe6b494af899..0b5908551c6d87 100644
--- a/packages/vite/src/node/plugins/worker.ts
+++ b/packages/vite/src/node/plugins/worker.ts
@@ -6,13 +6,9 @@ import type Rollup from 'rollup'
 import { ENV_PUBLIC_PATH } from '../constants'
 import path from 'path'
 import { onRollupWarning } from '../build'
-import type { TransformPluginContext, EmittedAsset } from 'rollup'
+import type { TransformPluginContext } from 'rollup'
 
 interface WorkerCache {
-  // let the worker chunks all emit in the top-level emitFile
-  // <chunk_filename, WorkerEmitAsset>
-  chunks: Map<string, EmittedAsset>
-
   // worker bundle don't deps on any more worker runtime info an id only had an result.
   // save worker bundled file id to avoid repeated execution of bundles
   // <input_filename, hash>
@@ -22,18 +18,6 @@ interface WorkerCache {
 const WorkerFileId = 'worker_file'
 const workerCache = new WeakMap<ResolvedConfig, WorkerCache>()
 
-function emitWorkerChunks(config: ResolvedConfig, asset: EmittedAsset): string {
-  const fileName = asset.fileName!
-  const workerMap = workerCache.get(config.rawConfig || config)!
-  if (workerMap.chunks.has(fileName)) {
-    return (workerMap.chunks.get(fileName)! as any).hash
-  }
-  const hash = getAssetHash(fileName)
-  ;(asset as any).hash = hash
-  workerMap.chunks.set(fileName, asset)
-  return hash
-}
-
 // Nested worker construction is a recursive process. The outputChunk of asset type can be output directly.
 // But the outputChunk of the chunk type needs to use the asset type to emitFile,
 // which will cause it to become an asset in the recursive process.
@@ -89,20 +73,13 @@ export async function bundleWorkerEntry(
       if (outputChunk.type === 'asset') {
         ctx.emitFile(outputChunk)
       } else if (outputChunk.type === 'chunk') {
-        emitWorkerChunks(config, {
+        ctx.emitFile({
           fileName: outputChunk.fileName,
           source: outputChunk.code,
           type: 'asset'
         })
       }
     })
-    if (!config.isWorker) {
-      const workerMap = workerCache.get(config.rawConfig || config)!
-      workerMap.chunks.forEach((asset) => {
-        ctx.emitFile(asset)
-      })
-      workerMap.chunks.clear()
-    }
   } finally {
     await bundle.close()
   }
@@ -193,7 +170,6 @@ export function webWorkerPlugin(config: ResolvedConfig): Plugin {
         return
       }
       workerCache.set(config, {
-        chunks: new Map(),
         bundle: new Map()
       })
     },