103 lines
3 KiB
TypeScript
103 lines
3 KiB
TypeScript
import { ReactElement } from 'react';
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import { Trans } from './index.js';
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import type { Namespace, TypeOptions, i18n, ParseKeys } from 'i18next';
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export { Trans };
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type _DefaultNamespace = TypeOptions['defaultNS'];
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declare module 'react-i18next/icu.macro' {
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export interface PluralSubProps<
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Key extends ParseKeys<Ns, {}, ''>,
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Ns extends Namespace = _DefaultNamespace,
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> {
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children?: never;
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i18nKey?: Key;
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i18n?: i18n;
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ns?: Ns;
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count: number;
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values?: {};
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zero?: string | ReactElement;
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one?: string | ReactElement;
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two?: string | ReactElement;
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few?: string | ReactElement;
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many?: string | ReactElement;
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other: string | ReactElement;
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}
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type PluralProps<
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T,
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Key extends ParseKeys<Ns, {}, ''>,
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Ns extends Namespace = _DefaultNamespace,
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> = {
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[P in keyof T]: P extends keyof PluralSubProps<Key, Ns>
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? // support the standard properties of Plural
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PluralSubProps<Key, Ns>[P]
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: // this supports infinite $0={..} or $123={..}
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// technically it also supports $-1={..} and $2.3={..} but we don't need to
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// worry since that's invalid syntax.
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P extends `$${number}`
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? string | ReactElement
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: never;
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};
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interface SelectSubProps {
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[key: string]: string | ReactElement;
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}
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interface NoChildren {
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children?: never;
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}
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interface SelectRequiredProps<
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Key extends ParseKeys<Ns, {}, ''>,
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Ns extends Namespace = _DefaultNamespace,
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> extends NoChildren {
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i18nKey?: Key;
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i18n?: i18n;
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ns?: Ns;
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other: string | ReactElement;
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}
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// defining it this way ensures that `other` is always defined, but allows
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// unlimited other select types.
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type SelectProps<
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Key extends ParseKeys<Ns, {}, ''>,
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Ns extends Namespace = _DefaultNamespace,
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> = SelectSubProps & SelectRequiredProps<Key, Ns>;
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function Plural<T, Key extends ParseKeys<Ns, {}, ''>, Ns extends Namespace = _DefaultNamespace>(
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props: PluralProps<T, Key, Ns> & NoChildren,
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): ReactElement;
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function SelectOrdinal<
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T,
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Key extends ParseKeys<Ns, {}, ''>,
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Ns extends Namespace = _DefaultNamespace,
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>(props: PluralProps<T, Key, Ns> & NoChildren): ReactElement;
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function Select<Key extends ParseKeys<Ns, {}, ''>, Ns extends Namespace = _DefaultNamespace>(
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props: SelectProps<Key, Ns>,
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): ReactElement;
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function date(strings: TemplateStringsArray, variable: Date): string;
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function time(strings: TemplateStringsArray, variable: Date): string;
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function number(strings: TemplateStringsArray, variable: number): string;
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type ValidInterpolations = ReactElement | string;
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function plural(
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strings: TemplateStringsArray,
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variable: number,
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...args: ValidInterpolations[]
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): string;
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function selectOrdinal(
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strings: TemplateStringsArray,
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variable: number,
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...args: ValidInterpolations[]
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): string;
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function select(
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strings: TemplateStringsArray,
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variable: string,
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...args: ValidInterpolations[]
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): string;
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}
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