lib.es2022.intl.d.ts (7692B)
1 /*! ***************************************************************************** 2 Copyright (c) Microsoft Corporation. All rights reserved. 3 Licensed under the Apache License, Version 2.0 (the "License"); you may not use 4 this file except in compliance with the License. You may obtain a copy of the 5 License at http://www.apache.org/licenses/LICENSE-2.0 6 7 THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 8 KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED 9 WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE, 10 MERCHANTABLITY OR NON-INFRINGEMENT. 11 12 See the Apache Version 2.0 License for specific language governing permissions 13 and limitations under the License. 14 ***************************************************************************** */ 15 16 17 /// <reference no-default-lib="true"/> 18 19 declare namespace Intl { 20 /** 21 * An object with some or all properties of the `Intl.Segmenter` constructor `options` parameter. 22 * 23 * [MDN](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter/Segmenter#parameters) 24 */ 25 interface SegmenterOptions { 26 /** 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). */ 27 localeMatcher?: "best fit" | "lookup" | undefined; 28 /** The type of input to be split */ 29 granularity?: "grapheme" | "word" | "sentence" | undefined; 30 } 31 32 /** 33 * The `Intl.Segmenter` object enables locale-sensitive text segmentation, enabling you to get meaningful items (graphemes, words or sentences) from a string. 34 * 35 * [MDN](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter) 36 */ 37 interface Segmenter { 38 /** 39 * Returns `Segments` object containing the segments of the input string, using the segmenter's locale and granularity. 40 * 41 * [MDN](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter/segment) 42 * 43 * @param input - The text to be segmented as a `string`. 44 * 45 * @returns A new iterable Segments object containing the segments of the input string, using the segmenter's locale and granularity. 46 */ 47 segment(input: string): Segments; 48 /** 49 * The `resolvedOptions()` method of `Intl.Segmenter` instances returns a new object with properties reflecting the options computed during initialization of this `Segmenter` object. 50 * 51 * [MDN](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter/resolvedOptions) 52 */ 53 resolvedOptions(): ResolvedSegmenterOptions; 54 } 55 56 interface ResolvedSegmenterOptions { 57 locale: string; 58 granularity: "grapheme" | "word" | "sentence"; 59 } 60 61 interface SegmentIterator<T> extends IteratorObject<T, BuiltinIteratorReturn, unknown> { 62 [Symbol.iterator](): SegmentIterator<T>; 63 } 64 65 /** 66 * A `Segments` object is an iterable collection of the segments of a text string. It is returned by a call to the `segment()` method of an `Intl.Segmenter` object. 67 * 68 * [MDN](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter/segment/Segments) 69 */ 70 interface Segments { 71 /** 72 * Returns an object describing the segment in the original string that includes the code unit at a specified index. 73 * 74 * [MDN](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter/segment/Segments/containing) 75 * 76 * @param codeUnitIndex - A number specifying the index of the code unit in the original input string. If the value is omitted, it defaults to `0`. 77 */ 78 containing(codeUnitIndex?: number): SegmentData | undefined; 79 80 /** Returns an iterator to iterate over the segments. */ 81 [Symbol.iterator](): SegmentIterator<SegmentData>; 82 } 83 84 interface SegmentData { 85 /** A string containing the segment extracted from the original input string. */ 86 segment: string; 87 /** The code unit index in the original input string at which the segment begins. */ 88 index: number; 89 /** The complete input string that was segmented. */ 90 input: string; 91 /** 92 * A boolean value only if granularity is "word"; otherwise, undefined. 93 * If granularity is "word", then isWordLike is true when the segment is word-like (i.e., consists of letters/numbers/ideographs/etc.); otherwise, false. 94 */ 95 isWordLike?: boolean; 96 } 97 98 /** 99 * The `Intl.Segmenter` object enables locale-sensitive text segmentation, enabling you to get meaningful items (graphemes, words or sentences) from a string. 100 * 101 * [MDN](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter) 102 */ 103 const Segmenter: { 104 prototype: Segmenter; 105 106 /** 107 * Creates a new `Intl.Segmenter` object. 108 * 109 * @param locales - A string with a [BCP 47 language tag](http://tools.ietf.org/html/rfc5646), or an array of such strings. 110 * For the general form and interpretation of the `locales` argument, 111 * see the [`Intl` page](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl#Locale_identification_and_negotiation). 112 * 113 * @param options - An [object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter/Segmenter#parameters) 114 * with some or all options of `SegmenterOptions`. 115 * 116 * @returns [Intl.Segmenter](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segments) object. 117 * 118 * [MDN](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter). 119 */ 120 new (locales?: LocalesArgument, options?: SegmenterOptions): Segmenter; 121 122 /** 123 * Returns an array containing those of the provided locales that are supported without having to fall back to the runtime's default locale. 124 * 125 * @param locales - A string with a [BCP 47 language tag](http://tools.ietf.org/html/rfc5646), or an array of such strings. 126 * For the general form and interpretation of the `locales` argument, 127 * see the [`Intl` page](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl#Locale_identification_and_negotiation). 128 * 129 * @param options An [object](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter/supportedLocalesOf#parameters). 130 * with some or all possible options. 131 * 132 * [MDN](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/Segmenter/supportedLocalesOf) 133 */ 134 supportedLocalesOf(locales: LocalesArgument, options?: Pick<SegmenterOptions, "localeMatcher">): UnicodeBCP47LocaleIdentifier[]; 135 }; 136 137 /** 138 * Returns a sorted array of the supported collation, calendar, currency, numbering system, timezones, and units by the implementation. 139 * [MDN](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Intl/supportedValuesOf) 140 * 141 * @param key A string indicating the category of values to return. 142 * @returns A sorted array of the supported values. 143 */ 144 function supportedValuesOf(key: "calendar" | "collation" | "currency" | "numberingSystem" | "timeZone" | "unit"): string[]; 145 }