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297 lines
14 KiB
TypeScript
297 lines
14 KiB
TypeScript
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/*! *****************************************************************************
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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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declare namespace Intl {
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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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* [Wikipedia](https://en.wikipedia.org/wiki/IETF_language_tag).
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*/
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type BCP47LanguageTag = 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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* [Specification](https://tc39.es/ecma402/#sec-singularrelativetimeunit).
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*/
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type RelativeTimeFormatUnit =
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| "year" | "years"
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| "quarter" | "quarters"
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| "month" | "months"
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| "week" | "weeks"
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| "day" | "days"
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| "hour" | "hours"
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| "minute" | "minutes"
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| "second" | "seconds"
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;
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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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* [Specification](https://tc39.es/ecma402/#sec-InitializeRelativeTimeFormat).
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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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* [Specification](https://tc39.es/ecma402/#sec-InitializeRelativeTimeFormat).
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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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* [Specification](https://tc39.es/ecma402/#sec-InitializeRelativeTimeFormat).
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*/
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type RelativeTimeFormatStyle = "long" | "short" | "narrow";
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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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* [Specification](https://tc39.es/ecma402/#sec-InitializeRelativeTimeFormat).
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*/
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interface RelativeTimeFormatOptions {
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localeMatcher?: RelativeTimeFormatLocaleMatcher;
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numeric?: RelativeTimeFormatNumeric;
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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 `Intel.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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* [Specification](https://tc39.es/ecma402/#table-relativetimeformat-resolvedoptions-properties)
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*/
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interface ResolvedRelativeTimeFormatOptions {
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locale: BCP47LanguageTag;
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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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* [Specification](https://tc39.es/ecma402/#sec-FormatRelativeTimeToParts).
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*/
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interface RelativeTimeFormatPart {
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type: string;
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value: string;
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unit?: RelativeTimeFormatUnit;
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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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* 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)
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* to use in the relative time internationalized message.
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* Possible values are: `"year"`, `"quarter"`, `"month"`, `"week"`,
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* `"day"`, `"hour"`, `"minute"`, `"second"`.
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* Plural forms are also permitted.
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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 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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* [Specification](https://tc39.es/ecma402/#sec-Intl.RelativeTimeFormat.prototype.format).
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*/
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format(
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value: number,
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unit: RelativeTimeFormatUnit,
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): string;
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/**
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* A version of the format method which it returns an array of objects
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* which represent "parts" of the object,
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* separating the formatted number into its constituent parts
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* and separating it from other surrounding text.
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* These objects have two properties:
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* `type` a NumberFormat formatToParts type, and `value`,
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* which is the String which is the component of the output.
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* If a "part" came from NumberFormat,
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* it will have a unit property which indicates the `unit` being formatted;
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* literals which are part of the larger frame will not have this property.
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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)
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* to use in the relative time internationalized message.
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* Possible values are: `"year"`, `"quarter"`, `"month"`, `"week"`,
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* `"day"`, `"hour"`, `"minute"`, `"second"`.
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* Plural forms are also permitted.
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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 Array of [FormatRelativeTimeToParts](https://tc39.es/ecma402/#sec-FormatRelativeTimeToParts)
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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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* [Specification](https://tc39.es/ecma402/#sec-Intl.RelativeTimeFormat.prototype.formatToParts).
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*/
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formatToParts(
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value: number,
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unit: RelativeTimeFormatUnit,
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): 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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* @returns A new object with properties reflecting the locale
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* and formatting options computed during initialization
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* of the `Intel.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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* [Specification](https://tc39.es/ecma402/#sec-intl.relativetimeformat.prototype.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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* Part of [Intl object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl)
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* namespace and the [ECMAScript Internationalization API](https://www.ecma-international.org/publications/standards/Ecma-402.htm).
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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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* [Polyfills](https://github.com/tc39/proposal-intl-relative-time#polyfills).
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*/
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const RelativeTimeFormat: {
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/**
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* Constructor creates [Intl.RelativeTimeFormat](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RelativeTimeFormat)
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* 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 the formatting.
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* An object with some or all of the following properties:
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* - `localeMatcher` - The locale matching algorithm to use.
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* Possible values are `"lookup"` and `"best fit"`; the default is `"best fit"`.
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* 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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* - `numeric` - The format of output message.
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* Possible values are: `"always"` (default, e.g., `1 day ago`) or `"auto"` (e.g., `yesterday`).
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* The `"auto"` value allows to not always have to use numeric values in the output.
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* - `style` - The length of the internationalized message. Possible values are:
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* `"long"` (default, e.g., in 1 month),
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* `"short"` (e.g., in 1 mo.)
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* or `"narrow"` (e.g., in 1 mo.). The narrow style could be similar to the short style for some locales.
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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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* [Specification](https://tc39.es/ecma402/#sec-intl-relativetimeformat-constructor).
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*/
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new(
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locales?: BCP47LanguageTag | BCP47LanguageTag[],
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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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* An object with some or all of the following properties:
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* - `localeMatcher` - The locale matching algorithm to use.
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* Possible values are `"lookup"` and `"best fit"`; the default is `"best fit"`.
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* 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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* - `numeric` - The format of output message.
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* Possible values are: `"always"` (default, e.g., `1 day ago`) or `"auto"` (e.g., `yesterday`).
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* The `"auto"` value allows to not always have to use numeric values in the output.
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* - `style` - The length of the internationalized message. Possible values are:
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* `"long"` (default, e.g., in 1 month),
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* `"short"` (e.g., in 1 mo.)
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* or `"narrow"` (e.g., in 1 mo.). The narrow style could be similar to the short style for some locales.
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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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* [Specification](https://tc39.es/ecma402/#sec-Intl.RelativeTimeFormat.supportedLocalesOf).
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*/
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supportedLocalesOf(
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locales: BCP47LanguageTag | BCP47LanguageTag[],
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options?: RelativeTimeFormatOptions,
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): BCP47LanguageTag[];
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};
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interface NumberFormatOptions {
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notation?: string;
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unit?: string;
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unitDisplay?: string;
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}
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interface ResolvedNumberFormatOptions {
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notation?: string;
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unit?: string;
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unitDisplay?: string;
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}
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}
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