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perf: reduce size of injected __vite__mapDeps code #16184

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merged 5 commits into from
Apr 5, 2024
Merged

perf: reduce size of injected __vite__mapDeps code #16184

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7b99c04
reduce size of injected __vite__mapDeps code
panstromek Mar 17, 2024
0418a94
fix: add semicolon
bluwy Mar 18, 2024
3e158e6
Merge branch 'main' into patch-1
sapphi-red Mar 21, 2024
ecba0e8
Merge branch 'main' into patch-1
sapphi-red Mar 29, 2024
dcadd34
chore: fix test
sapphi-red Mar 29, 2024
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8 changes: 1 addition & 7 deletions packages/vite/src/node/plugins/importAnalysisBuild.ts
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Expand Up @@ -511,13 +511,7 @@ export function buildImportAnalysisPlugin(config: ResolvedConfig): Plugin {
)
.join(',')}]`

const mapDepsCode = `\
function __vite__mapDeps(indexes) {
if (!__vite__mapDeps.viteFileDeps) {
__vite__mapDeps.viteFileDeps = ${fileDepsCode}
}
return indexes.map((i) => __vite__mapDeps.viteFileDeps[i])
}\n`
const mapDepsCode = `const __vite__fileDeps=${fileDepsCode},__vite__mapDeps=i=>i.map(i=>__vite__fileDeps[i]);\n`

// inject extra code at the top or next line of hashbang
if (code.startsWith('#!')) {
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2 changes: 1 addition & 1 deletion playground/js-sourcemap/__tests__/js-sourcemap.spec.ts
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Expand Up @@ -138,7 +138,7 @@ describe.runIf(isBuild)('build tests', () => {
expect(formatSourcemapForSnapshot(JSON.parse(map))).toMatchInlineSnapshot(`
{
"ignoreList": [],
"mappings": ";;;;;;w+BAAA,OAAO,2BAAuB,EAAC,wBAE/B,QAAQ,IAAI,uBAAuB",
"mappings": ";w+BAAA,OAAO,2BAAuB,EAAC,wBAE/B,QAAQ,IAAI,uBAAuB",
"sources": [
"../../after-preload-dynamic.js",
],
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