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 王天杨
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import type { Day, Era, Month, Quarter } from "../../types.js";
import type {
LocaleDayPeriod,
LocaleUnitValue,
LocaleWidth,
LocalizeFn,
} from "../types.js";
export type BuildLocalizeFnArgs<
Value extends LocaleUnitValue,
ArgCallback extends LocalizeFnArgCallback<Value> | undefined,
> = {
values: LocalizePeriodValuesMap<Value>;
defaultWidth: LocaleWidth;
formattingValues?: LocalizePeriodValuesMap<Value>;
defaultFormattingWidth?: LocaleWidth;
} & (ArgCallback extends undefined
? {
argumentCallback?: undefined;
}
: {
argumentCallback: LocalizeFnArgCallback<Value>;
});
/**
* The localize function argument callback which allows to convert raw value to
* the actual type.
*
* @param value - The value to convert
*
* @returns The converted value
*/
export type LocalizeFnArgCallback<Value extends LocaleUnitValue | number> = (
value: Value,
) => LocalizeUnitIndex<Value>;
/**
* The map of localized values for each width.
*/
export type LocalizePeriodValuesMap<Value extends LocaleUnitValue> = {
[Pattern in LocaleWidth]?: LocalizeValues<Value>;
};
/**
* The index type of the locale unit value. It types conversion of units of
* values that don't start at 0 (i.e. quarters).
*/
export type LocalizeUnitIndex<Value extends LocaleUnitValue | number> =
Value extends LocaleUnitValue ? keyof LocalizeValues<Value> : number;
/**
* Converts the unit value to the tuple of values.
*/
export type LocalizeValues<Value extends LocaleUnitValue> =
Value extends LocaleDayPeriod
? Record<LocaleDayPeriod, string>
: Value extends Era
? LocalizeEraValues
: Value extends Quarter
? LocalizeQuarterValues
: Value extends Day
? LocalizeDayValues
: Value extends Month
? LocalizeMonthValues
: never;
/**
* The tuple of localized era values. The first element represents BC,
* the second element represents AD.
*/
export type LocalizeEraValues = readonly [string, string];
/**
* The tuple of localized quarter values. The first element represents Q1.
*/
export type LocalizeQuarterValues = readonly [string, string, string, string];
/**
* The tuple of localized day values. The first element represents Sunday.
*/
export type LocalizeDayValues = readonly [
string,
string,
string,
string,
string,
string,
string,
];
/**
* The tuple of localized month values. The first element represents January.
*/
export type LocalizeMonthValues = readonly [
string,
string,
string,
string,
string,
string,
string,
string,
string,
string,
string,
string,
];
export declare function buildLocalizeFn<
Value extends LocaleUnitValue,
ArgCallback extends LocalizeFnArgCallback<Value> | undefined,
>(args: BuildLocalizeFnArgs<Value, ArgCallback>): LocalizeFn<Value>;
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