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fix: set default pragmaFrag option 🐛 #2486

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merged 1 commit into from Feb 27, 2019

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lili21
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@lili21 lili21 commented Jan 1, 2019

fix #2305

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💻 Examples

🚨 Test instructions

✔️ PR Todo

  • Added/updated unit tests for this change
  • Filled out test instructions (In case there aren't any unit tests)
  • Included links to related issues/PRs

require('@babel/plugin-transform-react-jsx'),
{
pragma,
pragmaFrag: 'React.Fragment'
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We will need to create a mapping similar to the one for pragma for other react-alike libraries (preact etc.) if they also support fragments.

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@adrianmcli adrianmcli Feb 9, 2019

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@lili21 Do you have an idea for how to do this?

EDIT: did some research, see below.

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@devongovett There is no official support for fragments in Preact, NervJS, and HyperApp.

Can't we merge this PR for now and add support for those libraries when they officially support it? It's frustrating to have to add a config for something that is supported to be the default option in Babel.

We are literally forcing users to do more configuration than the default Babel behaviour.

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agree.

@adrianmcli
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I am happy to open a new PR for this as it seems this PR is now out of sync and hasn't had any attention for a while.

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@lili21 Can you rebase off master? And can @devongovett review this again and merge it? Please take into consideration my comments here: #2486 (comment)

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Looks good as the other frameworks don't support fragments yet

@DeMoorJasper DeMoorJasper merged commit 27f769a into parcel-bundler:master Feb 27, 2019
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Thanks everyone!

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pragma has been set but pragmafrag has not been set
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