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feat: include duplicate assets in the manifest #9928

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merged 6 commits into from Sep 22, 2022
Merged

feat: include duplicate assets in the manifest #9928

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68c87fd
fix: include duplicate assets in the bundle
timacdonald Aug 31, 2022
7757787
fix: wrong filename in manifest
timacdonald Sep 2, 2022
9f0ba41
chore: relocate to manifest only side-effects
timacdonald Sep 2, 2022
60d024d
chore: remove isDuplicate manifest key
timacdonald Sep 5, 2022
12e4548
chore: make duplicates weakmap
timacdonald Sep 5, 2022
ffd0bef
chore: refactor array to map
timacdonald Sep 5, 2022
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17 changes: 16 additions & 1 deletion packages/vite/src/node/plugins/asset.ts
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Expand Up @@ -5,6 +5,7 @@ import { Buffer } from 'node:buffer'
import * as mrmime from 'mrmime'
import type {
NormalizedOutputOptions,
OutputAsset,
OutputOptions,
PluginContext,
PreRenderedAsset,
Expand All @@ -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>
Expand Down Expand Up @@ -182,6 +185,10 @@ export function assetPlugin(config: ResolvedConfig): Plugin {
},

generateBundle(_, bundle) {
duplicateAssets.forEach((asset) => {
bundle[asset.name!] = asset
})
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// do not emit assets for SSR build
if (config.command === 'build' && config.build.ssr) {
for (const file in bundle) {
Expand Down Expand Up @@ -470,15 +477,23 @@ 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,
type: 'asset',
source: content
})
emittedSet.add(contentHash)
} else {
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duplicateAssets.push({
name,
fileName,
type: 'asset',
source: content,
isAsset: true
})
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}

url = `__VITE_ASSET__${contentHash}__${postfix ? `$_${postfix}__` : ``}` // TODO_BASE
Expand Down