fix(es/minifier): Improve minifier #3350
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kdy1
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kdy1
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kodiakhq bot
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This PR applies - swc-project/swc#3350 which fixes lots of minifier issues. - swc-project/swc#3391 This fixes the regression of evaluatior. - swc-project/swc#3436 This fixes codegen bugs. - swc-project/swc#3425 This improves compression. - swc-project/swc#3400 This fixes some transform bugs. - swc-project/swc#3392 This implements more terser options.
natew
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Feb 16, 2022
This PR applies - swc-project/swc#3350 which fixes lots of minifier issues. - swc-project/swc#3391 This fixes the regression of evaluatior. - swc-project/swc#3436 This fixes codegen bugs. - swc-project/swc#3425 This improves compression. - swc-project/swc#3400 This fixes some transform bugs. - swc-project/swc#3392 This implements more terser options.
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Description:
swc_ecma_transforms_optimization:
expr_simplifier: Track more changes.swc_ecma_minifier:
compress: Remove string literal if it was not a directive.pure/collapse_vars: Merge vars declared in the first statement into one with initializers ifcollapse_varsandjoin_varsare enabled.unused: Useusage_countinstead ofref_count.unused: Fix dropping rule for member expressions.unused: Fix dropping rule for declarations.hoist_props: Preserve exported items.