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fix(commonjs): fix error when bundle contains require() of module with falsy __esModule export - #1850

Merged
shellscape merged 1 commit into
rollup:masterfrom
easrng:fix-esmodule-crash
Mar 6, 2025
Merged

shellscape merged 1 commit into
rollup:masterfrom
easrng:fix-esmodule-crash

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@easrng

@easrng easrng commented Mar 1, 2025

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Rollup Plugin Name: commonjs

This PR contains:

  • bugfix
  • feature
  • refactor
  • documentation
  • other

Are tests included?

  • yes (bugfixes and features will not be merged without tests)
  • no

Breaking Changes?

  • yes (breaking changes will not be merged unless absolutely necessary)
  • no

If yes, then include "BREAKING CHANGES:" in the first commit message body, followed by a description of what is breaking.

List any relevant issue numbers:

Description

when a file with a falsy export named __esModule is required the bundle will throw TypeError: Cannot redefine property: __esModule. this fixes the issue by checking for an __esModule own property instead of checking truthyness.

@easrng
easrng requested a review from shellscape as a code owner March 1, 2025 04:31

@shellscape shellscape left a comment

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thanks!

@shellscape
shellscape merged commit f873993 into rollup:master Mar 6, 2025
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2 participants