feat(minifier): mark more known global methods as side-effect free

[Boshen]

closes #13067

[graphite-app]

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[Copilot]

Pull Request Overview

This PR extends the minifier's capability to mark more known global methods as side-effect free, allowing for better optimization. The changes update the side-effect analysis to recognize more pure global functions and static methods as safe to remove when their results are unused.

Key changes:

• Added comprehensive lists of pure global functions and static methods
• Updated test cases to reflect the new optimization behavior
• Refined the side-effect detection logic for call and new expressions

Reviewed Changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
tasks/minsize/minsize.snap	Updated benchmark results showing improved minification
crates/oxc_minifier/tests/peephole/obscure_edge_cases.rs	Modified tests to expect optimization of Math.random(), Date.now(), and Object(null)
crates/oxc_minifier/tests/ecmascript/may_have_side_effects.rs	Added comprehensive test coverage for pure global functions and methods
crates/oxc_minifier/src/peephole/substitute_alternate_syntax.rs	Updated test to include assignment for RegExp optimization
crates/oxc_minifier/src/peephole/replace_known_methods.rs	Updated tests to include assignments for proper test validation
crates/oxc_minifier/src/peephole/remove_unused_expression.rs	Updated logic to use side-effect analysis for call expressions
crates/oxc_ecmascript/src/side_effects/may_have_side_effects.rs	Core implementation adding pure function detection and extensive method coverage

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[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #13086 will degrade performances by 3.36%

_{Comparing 08-14-feat_minifier_mark_more_global_methods_as_side-effect_free (fbe6663) with main (a36c3ce)}

Summary

❌ 1 regressions
✅ 33 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
❌	minifier[cal.com.tsx]	30 ms	31 ms	-3.36%

[KTibow]

This doesn't quite close #13067 yet; for example, while this optimizes Math.random() it doesn't optimize Math.random (the mere access, likely left behind from something like const random = Math.random; const unused = () => random() * 2)

[Boshen]

Merge activity

• Aug 16, 3:34 AM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
• Aug 16, 3:41 AM UTC: Boshen added this pull request to the Graphite merge queue.
• Aug 16, 3:48 AM UTC: Merged by the Graphite merge queue.