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Document webpack change: calculate real content hash for assets after asset processing #3917

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webpack-bot opened this issue Aug 19, 2020 · 1 comment · Fixed by #3919
Closed

Document webpack change: calculate real content hash for assets after asset processing #3917

webpack-bot opened this issue Aug 19, 2020 · 1 comment · Fixed by #3919

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@webpack-bot
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A pull request by @sokra was merged and maintainers requested a documentation change.

See pull request: webpack/webpack#11339

What kind of change does this PR introduce?
feature

Did you add tests for your changes?
yes

Does this PR introduce a breaking change?
yes, hash is calculated differently

What needs to be documented once your changes are merged?

  • [contenthash] uses the hash of the content of the asset. This is calculated after assets has been processed.
  • new option optimization.realContentHash (defaults to true in production). Adds an additional hash compilation pass after the assets has been processed to get correct asset content hashes. If disabled, internal data is used to calculate the hash and it can change even when assets are identical.
@jamesgeorge007
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wip

@jamesgeorge007 jamesgeorge007 mentioned this issue Aug 19, 2020
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docs(configuration): add optimization.realContentHash jamesgeorge007/webpack.js.org
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@jamesgeorge007 @webpack-bot