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Scripts: Prevent mangle of translation functions #28231

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merged 2 commits into from
Jan 15, 2021

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@sirreal sirreal commented Jan 15, 2021

Description

In #28221 we discovered that a string in the i18n package was not translated and not correctly extracted. It's believed this is related to function name mangling in the build optimization.

Translation function names should remain unmangled so that they can be properly extracted and processed for translation by Core tooling.

How has this been tested?

Compare the isRTL function declaration in the i18n build asset from this branch with the current release.

Current release:

function(){return"rtl"===i("ltr","text direction")}              },

Build from this branch:

function(){return"rtl"===_x("ltr","text direction")}

The mangled name i is not extracted for translation, but the _x name should be 👍

Fixes: #28221

Types of changes

Bug fix: Translation function names should not be mangled.

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • My code has proper inline documentation.
  • I've included developer documentation if appropriate.
  • I've updated all React Native files affected by any refactorings/renamings in this PR.

This should ensure that strings are correctly extracted for translation.
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Size Change: +150 B (0%)

Total Size: 1.28 MB

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@youknowriad youknowriad added the Backport to WP 6.7 Beta/RC Pull request that needs to be backported to the WordPress major release that's currently in beta label Jan 15, 2021
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Adding the backport label so we don't forget to add this to Core webpack config even if it doesn't seem to be as affected as Gutenberg.

@sirreal sirreal marked this pull request as ready for review January 15, 2021 11:51
@sirreal sirreal self-assigned this Jan 15, 2021
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Adding the backport label so we don't forget to add this to Core webpack config even if it doesn't seem to be as affected as Gutenberg.

That's because core doesn't minify the files as heavily like Gutenberg does.

See https://build.trac.wordpress.org/browser/branches/5.6/wp-includes/js/dist/i18n.js?marks=1092#L1092

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sirreal commented Jan 15, 2021

That's because core doesn't minify the files as heavily like Gutenberg does.

See https://build.trac.wordpress.org/browser/branches/5.6/wp-includes/js/dist/i18n.js?marks=1092#L1092

Core includes min and non-min as you mentioned.

The minified version in core is similarly mangled to function(){return"rtl"===o("ltr","text direction")} (but .min.js files are not checked for translations as I recall).

@sirreal sirreal added [Package] i18n /packages/i18n [Tool] WP Scripts /packages/scripts [Type] Build Tooling Issues or PRs related to build tooling Internationalization (i18n) Issues or PRs related to internationalization efforts labels Jan 15, 2021
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So I'd say no backporting needed IMO

@sirreal sirreal added Gutenberg Plugin Issues or PRs related to Gutenberg Plugin management related efforts and removed [Package] i18n /packages/i18n labels Jan 15, 2021
@youknowriad youknowriad removed the Backport to WP 6.7 Beta/RC Pull request that needs to be backported to the WordPress major release that's currently in beta label Jan 15, 2021
@youknowriad youknowriad added this to the Gutenberg 9.7 milestone Jan 15, 2021
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RTL/LTR button missing from Paragraph block
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