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Add support for Russian plurals

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String given as "0 items | items ending with 1 (except 11) | items ending 2-4 (except 12-14) | other" or without the 0 option as "items ending with 1 (except 11) | items ending 2-4 (except 12-14) | other".
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N-Pex 2024-12-10 15:49:23 +01:00
parent d7a28f511b
commit cae78e860f
2 changed files with 41 additions and 11 deletions
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32
src/plugins/lang.js
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@ -20,5 +20,35 @@ export default new VueI18n({
locale: 'en',
fallbackLocale: 'en',
silentFallbackWarn: true,
messages: messages
messages: messages,
pluralizationRules: {
/**
* @param choice {number} a choice index given by the input to $tc: `$tc('path.to.rule', choiceIndex)`
* @param choicesLength {number} an overall amount of available choices
* @returns a final choice index to select plural word by
*/
'ru': function(choice, choicesLength) {
// this === VueI18n instance, so the locale property also exists here
if (choice === 0) {
return 0;
}
const zeroChoiseOffset = (choicesLength == 4) ? 1 : 0;
const teen = choice > 10 && choice < 20;
const endsWithOne = choice % 10 === 1;
if (!teen && endsWithOne) {
console.log("Not teen, ends with one", zeroChoiseOffset, choice);
return zeroChoiseOffset + 0;
}
if (!teen && choice % 10 >= 2 && choice % 10 <= 4) {
console.log("Ends with 2-4", zeroChoiseOffset, choice);
return zeroChoiseOffset + 1;
}
console.log("Other", choice);
return (choicesLength < 4) ? 2 : 3;
}
}
})