fix(es/minifier): Fix undefined
judgement
#9146
Merged
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Outdated suggestions cannot be applied.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.
Description:
by symbol name -> by whether it points to global undefined or not.
🤔 I'm not sure why my update changes the order of some comparison after runningUPDATE=1 cargo test -p swc -p swc_ecma_minifier --features concurrent
. But runningcargo run --example compress input.js
doesn't change this.The updated test results all involve variables with
undefined
ident (although they are indeed uninitialized).Related issue: