fix(codegen): print space before BindingRestElement in ObjectPattern

[overlookmotel]

Previously we didn't print a space before ... in object destructuring. e.g.:

const o = { x,...rest };

Fix that (noticed in output of raw transfer codegen).

[overlookmotel]

• perf(codegen): reduce branches printing ObjectPattern #15316
• fix(codegen): print space before BindingRestElement in ObjectPattern #15315 👈 (View in Graphite)
• main

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[Copilot]

Pull Request Overview

This PR fixes spacing issues in code generation for rest elements in destructuring patterns. The change ensures that a space is added before rest elements (...) when they follow other properties in object destructuring patterns.

• Adds a soft space before rest elements in object destructuring to improve readability
• Includes test cases to verify correct formatting for both array and object destructuring with rest elements

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
crates/oxc_codegen/src/gen.rs	Adds print_soft_space() call before printing rest element in object patterns to ensure proper spacing
crates/oxc_codegen/tests/integration/js.rs	Adds test cases for array and object destructuring with rest elements to verify correct output formatting

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[codspeed-hq]

CodSpeed Performance Report

Merging #15315 will not alter performance

_{Comparing 09-15-fix_codegen_print_space_before_bindingrestelement_in_objectpattern_ (557836d) with main (977a6a0)}

Summary

✅ 37 untouched

[graphite-app]

Merge activity

• Nov 5, 12:09 PM UTC: Boshen added this pull request to the Graphite merge queue.
• Nov 5, 12:15 PM UTC: Merged by the Graphite merge queue.