Handle out-of-order binding of identifiers to improve tree-shaking #2803
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This PR contains:
Are tests included?
Breaking Changes?
List any relevant issue numbers:
Resolves #2799
Description
It is possible that Rollup needs to analyze values of identifiers before they have been bound to their variables, which can cause in sub-optimal tree-shaking results. This is fixed here by allowing out-of-order binding of identifiers if their value is needed earlier. This allows for the following: