From c0bc411700a6234d0d1c5ac4a3798ab18a6587c6 Mon Sep 17 00:00:00 2001
From: Tim MacDonald <hello@timacdonald.me>
Date: Wed, 31 Aug 2022 16:52:21 +1000
Subject: [PATCH] fix: include duplicate assets in the bundle

---
 packages/vite/src/node/plugins/asset.ts | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/packages/vite/src/node/plugins/asset.ts b/packages/vite/src/node/plugins/asset.ts
index 94c34a40f8d22e..35d1397c1550b0 100644
--- a/packages/vite/src/node/plugins/asset.ts
+++ b/packages/vite/src/node/plugins/asset.ts
@@ -8,7 +8,8 @@ import type {
   OutputOptions,
   PluginContext,
   PreRenderedAsset,
-  RenderedChunk
+  RenderedChunk,
+  OutputAsset
 } from 'rollup'
 import MagicString from 'magic-string'
 import colors from 'picocolors'
@@ -25,6 +26,8 @@ const urlRE = /(\?|&)url(?:&|$)/
 
 const assetCache = new WeakMap<ResolvedConfig, Map<string, string>>()
 
+const duplicateAssets: OutputAsset[] = []
+
 const assetHashToFilenameMap = new WeakMap<
   ResolvedConfig,
   Map<string, string>
@@ -182,6 +185,12 @@ export function assetPlugin(config: ResolvedConfig): Plugin {
     },
 
     generateBundle(_, bundle) {
+      duplicateAssets.forEach((asset) => {
+        if (asset.name) {
+          bundle[asset.name] = asset
+        }
+      })
+
       // do not emit assets for SSR build
       if (config.command === 'build' && config.build.ssr) {
         for (const file in bundle) {
@@ -470,8 +479,8 @@ async function fileToBuiltUrl(
       map.set(contentHash, fileName)
     }
     const emittedSet = emittedHashMap.get(config)!
+    const name = normalizePath(path.relative(config.root, file))
     if (!emittedSet.has(contentHash)) {
-      const name = normalizePath(path.relative(config.root, file))
       pluginContext.emitFile({
         name,
         fileName,
@@ -479,6 +488,14 @@ async function fileToBuiltUrl(
         source: content
       })
       emittedSet.add(contentHash)
+    } else {
+      duplicateAssets.push({
+        name,
+        fileName,
+        type: 'asset',
+        source: content,
+        isAsset: true
+      })
     }
 
     url = `__VITE_ASSET__${contentHash}__${postfix ? `$_${postfix}__` : ``}` // TODO_BASE