Add %%placeholders%% support to @babel/template#9648
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nicolo-ribaudo merged 4 commits intobabel:masterfrom Mar 18, 2019
Merged
Add %%placeholders%% support to @babel/template#9648nicolo-ribaudo merged 4 commits intobabel:masterfrom
nicolo-ribaudo merged 4 commits intobabel:masterfrom
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Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/10439/ |
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Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/10429/ |
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danez
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Mar 11, 2019
existentialism
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Mar 12, 2019
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TODO: Docs |
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This is the last step to make #9364 usable in Babel. I'm sorry for opening this PR so late, but I hope to get it in v7.4.
In this PR I added a new option to
@babel/template,syntacticPlaceholders: ?boolean, which toggles between%%foo%%placeholders (whentrue) andFOOplaceholders. If it isn't specified, Babel tries to be "smart" to avoid breaking backward compat: if%%foo%%is usedsyntacticPlaceholdersdefaults totrue, otherwise tofalse.0e58e25 commit shows how some templates we used could be simplified by using this new placeholders syntax (we can't actually do it yet because we are importing
templatefrom@babel/corewhich could be an older version).NOTE: Since I wanted to keep this PR as small as possible to make it easier to review, I didn't migrate
template.astto internally use the new syntax. It is an implementation detail, so it will be possible to change it in a patch release.