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Support preferred locales for gen_l10n #47845

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Merged
merged 12 commits into from
Dec 30, 2019

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shihaohong
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Description

Currently, the gen_l10n tool sorts supported locales by alphabetical order by default. This change adds the ability to add locales to the start of the list if a developer wants to prefer particular default locales over others.

Related Issues

Fixes #46244

Tests

I added the following tests:

  • A test to ensure that the preferred supported locale appears first.
  • A test to ensure that an exception is thrown is a preferred supported locale does not have a corresponding arb file

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  • I read the Contributor Guide and followed the process outlined there for submitting PRs.
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  • I read the Tree Hygiene wiki page, which explains my responsibilities.
  • I updated/added relevant documentation (doc comments with ///).
  • All existing and new tests are passing.
  • The analyzer (flutter analyze --flutter-repo) does not report any problems on my PR.
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Breaking Change

Did any tests fail when you ran them? Please read Handling breaking changes.

  • No, no existing tests failed, so this is not a breaking change.
  • Yes, this is a breaking change. If not, delete the remainder of this section.
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@shihaohong shihaohong added c: new feature Nothing broken; request for a new capability tool Affects the "flutter" command-line tool. See also t: labels. a: internationalization Supporting other languages or locales. (aka i18n) labels Dec 26, 2019
@fluttergithubbot fluttergithubbot added the c: contributor-productivity Team-specific productivity, code health, technical debt. label Dec 26, 2019
@shihaohong shihaohong changed the title Locale ordering for gen_l10n Support preferred locales for gen_l10n Dec 26, 2019
'By default, the tool will generate the supported locales list in '
'alphabetical order. Use this flag if you would like to default to '
'a different locale. \n\n'
'For example, pass in [\'en_US\'] of you would like your app to '
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...if you would like...


if (preferredSupportedLocales != null) {
for (LocaleInfo preferredLocale in preferredSupportedLocales) {
if (!localeInfoList.contains(preferredLocale))
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I personally prefer adding the parentheses for all control statements, but I don't think we require that for flutter/flutter right?

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Yes, that's right. I actually prefer adding the parentheses for control statements as well because I feel that it doesn't cause as much confusion, but got used to doing it both ways. I added it back in for this particular case

@shihaohong shihaohong merged commit 173322d into flutter:master Dec 30, 2019
@shihaohong shihaohong deleted the locale-ordering branch December 30, 2019 19:22
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a: internationalization Supporting other languages or locales. (aka i18n) c: contributor-productivity Team-specific productivity, code health, technical debt. c: new feature Nothing broken; request for a new capability tool Affects the "flutter" command-line tool. See also t: labels.
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gen_l10n tool should better handle locale ordering
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