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Localization: Pluralization rules for more languages (#2046)

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This commit is contained in:
Alexander Zinchuk 2022-09-24 01:40:21 +02:00
parent 95d4c584aa
commit 0c38dadf4d
1 changed files with 34 additions and 1 deletions
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35
src/util/langProvider.ts
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@ -22,23 +22,56 @@ interface LangFn {
const SUBSTITUTION_REGEX = /%\d?\$?[sdf@]/g;
const PLURAL_OPTIONS = ['value', 'zeroValue', 'oneValue', 'twoValue', 'fewValue', 'manyValue', 'otherValue'] as const;
// Some rules edited from https://github.com/eemeli/make-plural/blob/master/packages/plurals/cardinals.js
const PLURAL_RULES = {
/* eslint-disable max-len */
en: (n: number) => (n !== 1 ? 6 : 2),
ar: (n: number) => (n === 0 ? 1 : n === 1 ? 2 : n === 2 ? 3 : n % 100 >= 3 && n % 100 <= 10 ? 4 : n % 100 >= 11 ? 5 : 6),
be: (n: number) => {
const s = String(n).split('.'); const t0 = Number(s[0]) === n; const n10 = t0 && Number(s[0].slice(-1)); const n100 = t0 && Number(s[0].slice(-2));
return n10 === 1 && n100 !== 11 ? 2
: (n10 >= 2 && n10 <= 4) && (n100 < 12 || n100 > 14) ? 4
: (t0 && n10 === 0) || (n10 >= 5 && n10 <= 9) || (n100 >= 11 && n100 <= 14) ? 5
: 6;
},
ca: (n: number) => (n !== 1 ? 6 : 2),
cs: (n: number) => {
const s = String(n).split('.'); const i = Number(s[0]); const v0 = !s[1];
return n === 1 && v0 ? 2 : (i >= 2 && i <= 4) && v0 ? 4 : !v0 ? 5 : 6;
},
de: (n: number) => (n !== 1 ? 6 : 2),
es: (n: number) => (n !== 1 ? 6 : 2),
fa: (n: number) => (n > 1 ? 6 : 2),
fi: (n: number) => (n !== 1 ? 6 : 2),
fr: (n: number) => (n > 1 ? 6 : 2),
id: () => 0,
it: (n: number) => (n !== 1 ? 6 : 2),
hr: (n: number) => {
const s = String(n).split('.'); const i = s[0]; const f = s[1] || ''; const v0 = !s[1]; const i10 = Number(i.slice(-1));
const i100 = Number(i.slice(-2)); const f10 = Number(f.slice(-1)); const f100 = Number(f.slice(-2));
return (v0 && i10 === 1 && i100 !== 11) || (f10 === 1 && f100 !== 11) ? 2
: (v0 && (i10 >= 2 && i10 <= 4) && (i100 < 12 || i100 > 14)) || ((f10 >= 2 && f10 <= 4) && (f100 < 12 || f100 > 14)) ? 4
: 6;
},
hu: (n: number) => (n > 1 ? 6 : 2),
ko: () => 0,
ms: () => 0,
nb: (n: number) => (n > 1 ? 6 : 2),
nl: (n: number) => (n !== 1 ? 6 : 2),
pl: (n: number) => (n === 1 ? 2 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 4 : 5),
pt_BR: (n: number) => (n > 1 ? 6 : 2),
'pt-br': (n: number) => (n > 1 ? 6 : 2),
ru: (n: number) => (n % 10 === 1 && n % 100 !== 11 ? 2 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 4 : 5),
sk: (n: number) => {
const s = String(n).split('.'); const i = Number(s[0]); const v0 = !s[1];
return n === 1 && v0 ? 2 : (i >= 2 && i <= 4) && v0 ? 4 : !v0 ? 5 : 6;
},
sr: (n: number) => {
const s = String(n).split('.'); const i = s[0]; const f = s[1] || ''; const v0 = !s[1]; const i10 = Number(i.slice(-1));
const i100 = Number(i.slice(-2)); const f10 = Number(f.slice(-1)); const f100 = Number(f.slice(-2));
return (v0 && i10 === 1 && i100 !== 11) || (f10 === 1 && f100 !== 11) ? 2
: (v0 && (i10 >= 2 && i10 <= 4) && (i100 < 12 || i100 > 14)) || ((f10 >= 2 && f10 <= 4) && (f100 < 12 || f100 > 14)) ? 4
: 6;
},
tr: (n: number) => (n > 1 ? 6 : 2),
uk: (n: number) => (n % 10 === 1 && n % 100 !== 11 ? 2 : n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 10 || n % 100 >= 20) ? 4 : 5),
uz: (n: number) => (n > 1 ? 6 : 2),