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Fix prefetch sourcemap generation (#12346)

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Bjorn Lu 2024-11-01 16:01:19 +08:00 committed by GitHub
parent 836cd91c37
commit 20e5a843c8
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2 changed files with 21 additions and 6 deletions
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5
.changeset/heavy-walls-rhyme.md Normal file
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@ -0,0 +1,5 @@
---
'astro': patch
---
Fixes sourcemap generation when prefetch is enabled

22
packages/astro/src/prefetch/vite-plugin-prefetch.ts
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@ -45,15 +45,25 @@ export default function astroPrefetch({ settings }: { settings: AstroSettings })
}, },
transform(code, id) { transform(code, id) {
// NOTE: Handle replacing the specifiers even if prefetch is disabled so View Transitions // NOTE: Handle replacing the specifiers even if prefetch is disabled so View Transitions
// can import the internal module as not hit runtime issues. // can import the internal module and not hit runtime issues.
if (id.includes(prefetchInternalModuleFsSubpath)) { if (id.includes(prefetchInternalModuleFsSubpath)) {
return code // We perform a simple replacement with padding so that the code offset is not changed and
.replace('__PREFETCH_PREFETCH_ALL__', JSON.stringify(prefetch?.prefetchAll)) // we don't have to generate a sourcemap. This has the assumption that the replaced string
.replace('__PREFETCH_DEFAULT_STRATEGY__', JSON.stringify(prefetch?.defaultStrategy)) // will always be shorter than the search string to work.
code = code
.replace( .replace(
'__EXPERIMENTAL_CLIENT_PRERENDER__', '__PREFETCH_PREFETCH_ALL__', // length: 25
JSON.stringify(settings.config.experimental.clientPrerender), `${JSON.stringify(prefetch?.prefetchAll)}`.padEnd(25),
)
.replace(
'__PREFETCH_DEFAULT_STRATEGY__', // length: 29
`${JSON.stringify(prefetch?.defaultStrategy)}`.padEnd(29),
)
.replace(
'__EXPERIMENTAL_CLIENT_PRERENDER__', // length: 33
`${JSON.stringify(settings.config.experimental.clientPrerender)}`.padEnd(33),
); );
return { code, map: null };
} }
}, },
}; };