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feat(minifier): remove unnecessary "use strict" #8154

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graphite-app bot commented Dec 28, 2024

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@github-actions github-actions bot added A-minifier Area - Minifier C-enhancement Category - New feature or request labels Dec 28, 2024
@sapphi-red sapphi-red marked this pull request as draft December 28, 2024 06:30
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codspeed-hq bot commented Dec 28, 2024

CodSpeed Performance Report

Merging #8154 will not alter performance

Comparing sapphi-red:feat/remove-unnecessary-use-strict-directive (4c0a41b) with main (37c9959)

Summary

✅ 29 untouched benchmarks

@sapphi-red sapphi-red marked this pull request as ready for review December 28, 2024 07:24
Comment on lines +131 to +139
/// Drop `"use strict";` directives if the function is empty.
fn drop_use_strict_directives_if_function_is_empty(
body: &mut FunctionBody<'a>,
_ctx: &mut TraverseCtx<'a>,
) {
if body.statements.is_empty() {
body.directives.retain(|directive| !directive.is_use_strict());
}
}
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I'm not sure if it makes sense to exist in PeepholeRemoveDeadCode. This has to run after everything that might remove statements.

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