fix: jsx is undefined by default, not preserve or react
#1102
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- one gets an error when using JSX without configuring `jsx`: `error TS17004: Cannot use JSX unless the '--jsx' flag is provided.` - TSConfig Reference said default was `react`, which is inaccurate - Compiler Options said default was `preserve`, which is also inaccurate - Add a `undefined` as the default in TSConfig Reference, same as allowUnrechableCode - Remove the default in Compiler Options, same as all the other options without defaults ---- History: Reference: - `preserve` was written as the default in microsoft@eae5cc3#diff-444415c73770eafd0f9db7d708d74131R5 - But then was written as `react` in the body in microsoft@eae5cc3#diff-444415c73770eafd0f9db7d708d74131R5 - It was then switched to `react` in microsoft@450ae96#diff-a912c6af3a16bf4288093c1264955bc6R120 - And then removed in microsoft@76b7d43#diff-a912c6af3a16bf4288093c1264955bc6L120 Compiler Options: - `preserve` was written as the default in microsoft@66f17ad#diff-bfc78b96c15b0ee906c1ab6176546dceR41
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This was referenced Sep 17, 2020
Contributor
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I think wiping the string is 👍🏻 - this one also hit the CLA ( maybe it's on the size of the PR?) - good to go if you accept it |
Contributor
Author
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CLA accepted. 🤷 didn't really see a pattern to why it chose this and #1111 to ask, sounds like a potential bug in the CLA checker 😬 |
Contributor
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Yeah, I'm not sure I want to look behind the curtain of the wizard of CLA - thanks, this is super useful |
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Description
one gets an error when using JSX without configuring
jsx:error TS17004: Cannot use JSX unless the '--jsx' flag is provided.TSConfig Reference said default was
react, which is inaccurateCompiler Options said default was
preserve, which is also inaccurateAdd a
undefinedas the default in TSConfig Reference, same asallowUnrechableCode
Remove the default in Compiler Options, same as all the other options
without defaults
History:
Reference:
preservewas written as the default in eae5cc3#diff-444415c73770eafd0f9db7d708d74131R5 / TSConfig Reference Overview #103 herereactin the body in eae5cc3#diff-444415c73770eafd0f9db7d708d74131R5 / Move over some of the new handbook TSConfig docs #119 herereactin 450ae96#diff-a912c6af3a16bf4288093c1264955bc6R120 / Improve the JSX docs #861 hereCompiler Options:
preservewas written as the default in 66f17ad#diff-bfc78b96c15b0ee906c1ab6176546dceR41Tags
Similar to #1101 , found while investigating discrepancies between the TSConfig Reference and Compiler Options after finding #1092
See historical references above as well
Review Notes
Can remove the
undefineddefault and just have nothing instead in the Reference. Wasn't sure if I should matchallowUnreachableCodeor if that were an exception sinceundefinedmeans something else there.