fix: tree-shakable module library should align with the allowInlineStartup
condition
#19714
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What kind of change does this PR introduce?
Fixes #18272 (comment).
When the ESM entry module is guaranteed to be inlined without being wrapped in an IIFE, we generate export statements at the top level to enhance tree-shaking. Otherwise, we place them within the module factory.
Therefore, we must verify the prerequisites for
allowInlineStartup
andiife
to ensure correct behavior.Did you add tests for your changes?
Yes. Feel free to more requirement.
Does this PR introduce a breaking change?
No
What needs to be documented once your changes are merged?
No