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feat: ✨ determine whether decl is pure #763

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merged 5 commits into from
Dec 8, 2023
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@stormslowly stormslowly commented Dec 8, 2023

利用 may_have_side_effects 判断 var_decl 是否有 side effects。

close #760

e2e: https://github.com/umijs/mako-e2e/pull/34

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may_have_side_effects 的劣势

  1. 判定过于保守,无 side effects 会判定成有 side effect; 例如赋值语言直接判定成 side effects
  2. 目前还没有支持 PURE 注解

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sorrycc commented Dec 8, 2023

需要补个对应的 e2e 用例。

@sorrycc sorrycc merged commit 5c02f58 into master Dec 8, 2023
@delete-merged-branch delete-merged-branch bot deleted the fix/effect_declare branch December 8, 2023 06:42
@stormslowly stormslowly restored the fix/effect_declare branch March 25, 2024 05:24
@stormslowly stormslowly deleted the fix/effect_declare branch August 9, 2024 06:13
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变量声明值有副作用时会被 treeShaking 删除的问题
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