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Fix var/const/let variable use before declaration #4148

Merged
merged 15 commits into from Jul 7, 2021
Merged

Fix var/const/let variable use before declaration #4148

merged 15 commits into from Jul 7, 2021

Commits on Jul 2, 2021

  1. Fix var/const/let variable use before declaration 

    * Also retains TDZ violations present in input
* Enabled by default when treeshake is active
* Low overhead - uses existing treeshaking simulated
  execution to mark declarations as reached
    @kzc @lukastaegert
    kzc authored and lukastaegert committed Jul 2, 2021
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  2. successfully run tests from #4149 

    without treeshake.correctVarBeforeDeclaration
    @kzc @lukastaegert
    kzc authored and lukastaegert committed Jul 2, 2021
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  3. Fix pattern handling

    @lukastaegert
    lukastaegert committed Jul 2, 2021
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  4. Handle TDZ class access

    @lukastaegert
    lukastaegert committed Jul 2, 2021
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  5. Improve field name

    @lukastaegert
    lukastaegert committed Jul 2, 2021
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  6. Fix TDZ caching

    @lukastaegert
    lukastaegert committed Jul 2, 2021
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  7. Only include entry point exports after first treeshaking pass

    @lukastaegert
    lukastaegert committed Jul 2, 2021
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  8. No longer make TDZ var access a side effect but treat as unknown value

    @lukastaegert
    lukastaegert committed Jul 2, 2021
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  9. Remove special logic for TDZ var assignments

    @lukastaegert
    lukastaegert committed Jul 2, 2021
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  10. Improve self-reference in declaration handling

    @lukastaegert
    lukastaegert committed Jul 2, 2021
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  11. Deprecate treeshake.correctVarValueBeforeDeclaration

    @lukastaegert
    lukastaegert committed Jul 2, 2021
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Commits on Jul 4, 2021

  1. Make deprecation non-active until next major version

    @lukastaegert
    lukastaegert committed Jul 4, 2021
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Commits on Jul 6, 2021

  1. Undeprecate correctVarValueBeforeDeclaration

    @lukastaegert
    lukastaegert committed Jul 6, 2021
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  2. Fix deoptimization regression for call expressions

    @lukastaegert
    lukastaegert committed Jul 6, 2021
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  3. Improve coverage

    @lukastaegert
    lukastaegert committed Jul 6, 2021
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