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433 lines
20 KiB
TypeScript
433 lines
20 KiB
TypeScript
/*! *****************************************************************************
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Copyright (c) Microsoft Corporation. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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this file except in compliance with the License. You may obtain a copy of the
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License at http://www.apache.org/licenses/LICENSE-2.0
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THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
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WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
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MERCHANTABLITY OR NON-INFRINGEMENT.
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See the Apache Version 2.0 License for specific language governing permissions
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and limitations under the License.
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***************************************************************************** */
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/// <reference no-default-lib="true"/>
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/// <reference lib="es2018.intl" />
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declare namespace Intl {
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/**
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* [Unicode BCP 47 Locale Identifiers](https://unicode.org/reports/tr35/#Unicode_Language_and_Locale_Identifiers) definition.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#locales_argument).
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*/
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type UnicodeBCP47LocaleIdentifier = string;
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/**
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* Unit to use in the relative time internationalized message.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/format#Parameters).
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*/
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type RelativeTimeFormatUnit =
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| "year"
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| "years"
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| "quarter"
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| "quarters"
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| "month"
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| "months"
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| "week"
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| "weeks"
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| "day"
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| "days"
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| "hour"
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| "hours"
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| "minute"
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| "minutes"
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| "second"
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| "seconds";
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/**
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* Value of the `unit` property in objects returned by
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* `Intl.RelativeTimeFormat.prototype.formatToParts()`. `formatToParts` and
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* `format` methods accept either singular or plural unit names as input,
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* but `formatToParts` only outputs singular (e.g. "day") not plural (e.g.
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* "days").
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/formatToParts#Using_formatToParts).
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*/
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type RelativeTimeFormatUnitSingular =
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| "year"
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| "quarter"
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| "month"
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| "week"
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| "day"
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| "hour"
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| "minute"
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| "second";
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/**
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* The locale matching algorithm to use.
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*
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* [MDN](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl#Locale_negotiation).
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*/
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type RelativeTimeFormatLocaleMatcher = "lookup" | "best fit";
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/**
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* The format of output message.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/RelativeTimeFormat#Parameters).
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*/
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type RelativeTimeFormatNumeric = "always" | "auto";
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/**
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* The length of the internationalized message.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/RelativeTimeFormat#Parameters).
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*/
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type RelativeTimeFormatStyle = "long" | "short" | "narrow";
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/**
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* [BCP 47 language tag](http://tools.ietf.org/html/rfc5646) definition.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#locales_argument).
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*/
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type BCP47LanguageTag = string;
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/**
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* The locale(s) to use
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#locales_argument).
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*/
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type LocalesArgument = UnicodeBCP47LocaleIdentifier | Locale | readonly (UnicodeBCP47LocaleIdentifier | Locale)[] | undefined;
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/**
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* An object with some or all of properties of `options` parameter
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* of `Intl.RelativeTimeFormat` constructor.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/RelativeTimeFormat#Parameters).
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*/
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interface RelativeTimeFormatOptions {
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/** The locale matching algorithm to use. For information about this option, see [Intl page](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl#Locale_negotiation). */
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localeMatcher?: RelativeTimeFormatLocaleMatcher;
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/** The format of output message. */
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numeric?: RelativeTimeFormatNumeric;
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/** The length of the internationalized message. */
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style?: RelativeTimeFormatStyle;
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}
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/**
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* An object with properties reflecting the locale
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* and formatting options computed during initialization
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* of the `Intl.RelativeTimeFormat` object
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/resolvedOptions#Description).
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*/
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interface ResolvedRelativeTimeFormatOptions {
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locale: UnicodeBCP47LocaleIdentifier;
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style: RelativeTimeFormatStyle;
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numeric: RelativeTimeFormatNumeric;
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numberingSystem: string;
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}
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/**
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* An object representing the relative time format in parts
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* that can be used for custom locale-aware formatting.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/formatToParts#Using_formatToParts).
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*/
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type RelativeTimeFormatPart =
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| {
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type: "literal";
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value: string;
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}
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| {
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type: Exclude<NumberFormatPartTypes, "literal">;
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value: string;
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unit: RelativeTimeFormatUnitSingular;
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};
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interface RelativeTimeFormat {
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/**
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* Formats a value and a unit according to the locale
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* and formatting options of the given
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* [`Intl.RelativeTimeFormat`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RelativeTimeFormat)
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* object.
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*
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* While this method automatically provides the correct plural forms,
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* the grammatical form is otherwise as neutral as possible.
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*
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* It is the caller's responsibility to handle cut-off logic
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* such as deciding between displaying "in 7 days" or "in 1 week".
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* This API does not support relative dates involving compound units.
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* e.g "in 5 days and 4 hours".
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*
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* @param value - Numeric value to use in the internationalized relative time message
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*
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* @param unit - [Unit](https://tc39.es/ecma402/#sec-singularrelativetimeunit) to use in the relative time internationalized message.
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*
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* @throws `RangeError` if `unit` was given something other than `unit` possible values
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*
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* @returns {string} Internationalized relative time message as string
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/format).
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*/
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format(value: number, unit: RelativeTimeFormatUnit): string;
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/**
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* Returns an array of objects representing the relative time format in parts that can be used for custom locale-aware formatting.
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*
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* @param value - Numeric value to use in the internationalized relative time message
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*
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* @param unit - [Unit](https://tc39.es/ecma402/#sec-singularrelativetimeunit) to use in the relative time internationalized message.
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*
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* @throws `RangeError` if `unit` was given something other than `unit` possible values
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/formatToParts).
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*/
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formatToParts(value: number, unit: RelativeTimeFormatUnit): RelativeTimeFormatPart[];
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/**
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* Provides access to the locale and options computed during initialization of this `Intl.RelativeTimeFormat` object.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/resolvedOptions).
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*/
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resolvedOptions(): ResolvedRelativeTimeFormatOptions;
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}
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/**
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* The [`Intl.RelativeTimeFormat`](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/RelativeTimeFormat)
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* object is a constructor for objects that enable language-sensitive relative time formatting.
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*
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* [Compatibility](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat#Browser_compatibility).
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*/
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const RelativeTimeFormat: {
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/**
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* Creates [Intl.RelativeTimeFormat](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RelativeTimeFormat) objects
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*
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* @param locales - A string with a [BCP 47 language tag](http://tools.ietf.org/html/rfc5646), or an array of such strings.
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* For the general form and interpretation of the locales argument,
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* see the [`Intl` page](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#Locale_identification_and_negotiation).
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*
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* @param options - An [object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/RelativeTimeFormat#Parameters)
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* with some or all of options of `RelativeTimeFormatOptions`.
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*
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* @returns [Intl.RelativeTimeFormat](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RelativeTimeFormat) object.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/RelativeTimeFormat).
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*/
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new(
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locales?: UnicodeBCP47LocaleIdentifier | UnicodeBCP47LocaleIdentifier[],
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options?: RelativeTimeFormatOptions,
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): RelativeTimeFormat;
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/**
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* Returns an array containing those of the provided locales
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* that are supported in date and time formatting
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* without having to fall back to the runtime's default locale.
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*
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* @param locales - A string with a [BCP 47 language tag](http://tools.ietf.org/html/rfc5646), or an array of such strings.
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* For the general form and interpretation of the locales argument,
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* see the [`Intl` page](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#Locale_identification_and_negotiation).
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*
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* @param options - An [object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/RelativeTimeFormat#Parameters)
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* with some or all of options of the formatting.
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*
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* @returns An array containing those of the provided locales
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* that are supported in date and time formatting
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* without having to fall back to the runtime's default locale.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/RelativeTimeFormat/supportedLocalesOf).
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*/
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supportedLocalesOf(
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locales?: UnicodeBCP47LocaleIdentifier | UnicodeBCP47LocaleIdentifier[],
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options?: RelativeTimeFormatOptions,
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): UnicodeBCP47LocaleIdentifier[];
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};
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interface NumberFormatOptions {
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compactDisplay?: "short" | "long" | undefined;
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notation?: "standard" | "scientific" | "engineering" | "compact" | undefined;
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signDisplay?: "auto" | "never" | "always" | "exceptZero" | undefined;
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unit?: string | undefined;
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unitDisplay?: "short" | "long" | "narrow" | undefined;
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currencyDisplay?: string | undefined;
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currencySign?: string | undefined;
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}
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interface ResolvedNumberFormatOptions {
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compactDisplay?: "short" | "long";
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notation?: "standard" | "scientific" | "engineering" | "compact";
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signDisplay?: "auto" | "never" | "always" | "exceptZero";
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unit?: string;
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unitDisplay?: "short" | "long" | "narrow";
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currencyDisplay?: string;
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currencySign?: string;
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}
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interface DateTimeFormatOptions {
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calendar?: string | undefined;
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dayPeriod?: "narrow" | "short" | "long" | undefined;
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numberingSystem?: string | undefined;
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dateStyle?: "full" | "long" | "medium" | "short" | undefined;
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timeStyle?: "full" | "long" | "medium" | "short" | undefined;
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hourCycle?: "h11" | "h12" | "h23" | "h24" | undefined;
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}
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type LocaleHourCycleKey = "h12" | "h23" | "h11" | "h24";
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type LocaleCollationCaseFirst = "upper" | "lower" | "false";
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interface LocaleOptions {
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/** A string containing the language, and the script and region if available. */
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baseName?: string;
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/** The part of the Locale that indicates the locale's calendar era. */
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calendar?: string;
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/** Flag that defines whether case is taken into account for the locale's collation rules. */
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caseFirst?: LocaleCollationCaseFirst;
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/** The collation type used for sorting */
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collation?: string;
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/** The time keeping format convention used by the locale. */
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hourCycle?: LocaleHourCycleKey;
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/** The primary language subtag associated with the locale. */
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language?: string;
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/** The numeral system used by the locale. */
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numberingSystem?: string;
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/** Flag that defines whether the locale has special collation handling for numeric characters. */
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numeric?: boolean;
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/** The region of the world (usually a country) associated with the locale. Possible values are region codes as defined by ISO 3166-1. */
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region?: string;
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/** The script used for writing the particular language used in the locale. Possible values are script codes as defined by ISO 15924. */
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script?: string;
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}
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interface Locale extends LocaleOptions {
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/** A string containing the language, and the script and region if available. */
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baseName: string;
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/** The primary language subtag associated with the locale. */
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language: string;
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/** Gets the most likely values for the language, script, and region of the locale based on existing values. */
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maximize(): Locale;
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/** Attempts to remove information about the locale that would be added by calling `Locale.maximize()`. */
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minimize(): Locale;
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/** Returns the locale's full locale identifier string. */
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toString(): BCP47LanguageTag;
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}
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/**
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* Constructor creates [Intl.Locale](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale)
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* objects
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*
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* @param tag - A string with a [BCP 47 language tag](http://tools.ietf.org/html/rfc5646).
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* For the general form and interpretation of the locales argument,
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* see the [`Intl` page](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#Locale_identification_and_negotiation).
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*
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* @param options - An [object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale/Locale#Parameters) with some or all of options of the locale.
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*
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* @returns [Intl.Locale](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale) object.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/Locale).
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*/
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const Locale: {
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new (tag: BCP47LanguageTag | Locale, options?: LocaleOptions): Locale;
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};
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type DisplayNamesFallback =
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| "code"
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| "none";
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type DisplayNamesType =
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| "language"
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| "region"
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| "script"
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| "calendar"
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| "dateTimeField"
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| "currency";
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type DisplayNamesLanguageDisplay =
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| "dialect"
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| "standard";
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interface DisplayNamesOptions {
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localeMatcher?: RelativeTimeFormatLocaleMatcher;
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style?: RelativeTimeFormatStyle;
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type: DisplayNamesType;
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languageDisplay?: DisplayNamesLanguageDisplay;
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fallback?: DisplayNamesFallback;
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}
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interface ResolvedDisplayNamesOptions {
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locale: UnicodeBCP47LocaleIdentifier;
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style: RelativeTimeFormatStyle;
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type: DisplayNamesType;
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fallback: DisplayNamesFallback;
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languageDisplay?: DisplayNamesLanguageDisplay;
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}
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interface DisplayNames {
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/**
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* Receives a code and returns a string based on the locale and options provided when instantiating
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* [`Intl.DisplayNames()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DisplayNames)
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*
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* @param code The `code` to provide depends on the `type` passed to display name during creation:
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* - If the type is `"region"`, code should be either an [ISO-3166 two letters region code](https://www.iso.org/iso-3166-country-codes.html),
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* or a [three digits UN M49 Geographic Regions](https://unstats.un.org/unsd/methodology/m49/).
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* - If the type is `"script"`, code should be an [ISO-15924 four letters script code](https://unicode.org/iso15924/iso15924-codes.html).
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* - If the type is `"language"`, code should be a `languageCode` ["-" `scriptCode`] ["-" `regionCode` ] *("-" `variant` )
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* subsequence of the unicode_language_id grammar in [UTS 35's Unicode Language and Locale Identifiers grammar](https://unicode.org/reports/tr35/#Unicode_language_identifier).
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* `languageCode` is either a two letters ISO 639-1 language code or a three letters ISO 639-2 language code.
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* - If the type is `"currency"`, code should be a [3-letter ISO 4217 currency code](https://www.iso.org/iso-4217-currency-codes.html).
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DisplayNames/of).
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*/
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of(code: string): string | undefined;
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/**
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* Returns a new object with properties reflecting the locale and style formatting options computed during the construction of the current
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* [`Intl/DisplayNames`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DisplayNames) object.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DisplayNames/resolvedOptions).
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*/
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resolvedOptions(): ResolvedDisplayNamesOptions;
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}
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/**
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* The [`Intl.DisplayNames()`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DisplayNames)
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* object enables the consistent translation of language, region and script display names.
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*
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* [Compatibility](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DisplayNames#browser_compatibility).
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*/
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const DisplayNames: {
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prototype: DisplayNames;
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/**
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* @param locales A string with a BCP 47 language tag, or an array of such strings.
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* For the general form and interpretation of the `locales` argument, see the [Intl](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#locale_identification_and_negotiation)
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* page.
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*
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* @param options An object for setting up a display name.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DisplayNames/DisplayNames).
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*/
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new(locales: LocalesArgument, options: DisplayNamesOptions): DisplayNames;
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/**
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* Returns an array containing those of the provided locales that are supported in display names without having to fall back to the runtime's default locale.
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*
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* @param locales A string with a BCP 47 language tag, or an array of such strings.
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* For the general form and interpretation of the `locales` argument, see the [Intl](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#locale_identification_and_negotiation)
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* page.
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*
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* @param options An object with a locale matcher.
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*
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* @returns An array of strings representing a subset of the given locale tags that are supported in display names without having to fall back to the runtime's default locale.
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*
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* [MDN](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DisplayNames/supportedLocalesOf).
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*/
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supportedLocalesOf(locales?: LocalesArgument, options?: { localeMatcher?: RelativeTimeFormatLocaleMatcher }): BCP47LanguageTag[];
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};
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}
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