feat(minifier): remove pure function calls when the return value is not used

[sapphi-red]

Remove pure function calls when the return value is not used.

var foo = () => 1;
foo(), foo() // these can be removed

close #13027

[sapphi-red]

• feat(ecmascript): check side effects inside static blocks #13404
• feat(minifier): remove pure function calls when the return value is not used #13403 👈 (View in Graphite)
• feat(ecmascript): support MayHaveSideEffects for Statements #13402
• fix(minifier): keep argument spread side effects against empty functions #13401
• main

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[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #13403 will not alter performance

_{Comparing 08-30-feat_minifier_remove_pure_function_calls_when_the_return_value_is_not_used (2d0414d) with main (5d74332)¹}

Summary

✅ 38 untouched benchmarks

Footnotes

1. No successful run was found on main (2d0414d) during the generation of this report, so 5d74332 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

[graphite-app]

Merge activity

• Aug 30, 4:14 AM UTC: Boshen added this pull request to the Graphite merge queue.
• Aug 30, 4:22 AM UTC: Merged by the Graphite merge queue.