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MIT License
Copyright (c) 2023 FormatJS
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# icu-skeleton-parser

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/**
* Parse Date time skeleton into Intl.DateTimeFormatOptions
* Ref: https://unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table
* @public
* @param skeleton skeleton string
*/
export declare function parseDateTimeSkeleton(skeleton: string): Intl.DateTimeFormatOptions;

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseDateTimeSkeleton = void 0;
/**
* https://unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table
* Credit: https://github.com/caridy/intl-datetimeformat-pattern/blob/master/index.js
* with some tweaks
*/
var DATE_TIME_REGEX = /(?:[Eec]{1,6}|G{1,5}|[Qq]{1,5}|(?:[yYur]+|U{1,5})|[ML]{1,5}|d{1,2}|D{1,3}|F{1}|[abB]{1,5}|[hkHK]{1,2}|w{1,2}|W{1}|m{1,2}|s{1,2}|[zZOvVxX]{1,4})(?=([^']*'[^']*')*[^']*$)/g;
/**
* Parse Date time skeleton into Intl.DateTimeFormatOptions
* Ref: https://unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table
* @public
* @param skeleton skeleton string
*/
function parseDateTimeSkeleton(skeleton) {
var result = {};
skeleton.replace(DATE_TIME_REGEX, function (match) {
var len = match.length;
switch (match[0]) {
// Era
case 'G':
result.era = len === 4 ? 'long' : len === 5 ? 'narrow' : 'short';
break;
// Year
case 'y':
result.year = len === 2 ? '2-digit' : 'numeric';
break;
case 'Y':
case 'u':
case 'U':
case 'r':
throw new RangeError('`Y/u/U/r` (year) patterns are not supported, use `y` instead');
// Quarter
case 'q':
case 'Q':
throw new RangeError('`q/Q` (quarter) patterns are not supported');
// Month
case 'M':
case 'L':
result.month = ['numeric', '2-digit', 'short', 'long', 'narrow'][len - 1];
break;
// Week
case 'w':
case 'W':
throw new RangeError('`w/W` (week) patterns are not supported');
case 'd':
result.day = ['numeric', '2-digit'][len - 1];
break;
case 'D':
case 'F':
case 'g':
throw new RangeError('`D/F/g` (day) patterns are not supported, use `d` instead');
// Weekday
case 'E':
result.weekday = len === 4 ? 'long' : len === 5 ? 'narrow' : 'short';
break;
case 'e':
if (len < 4) {
throw new RangeError('`e..eee` (weekday) patterns are not supported');
}
result.weekday = ['short', 'long', 'narrow', 'short'][len - 4];
break;
case 'c':
if (len < 4) {
throw new RangeError('`c..ccc` (weekday) patterns are not supported');
}
result.weekday = ['short', 'long', 'narrow', 'short'][len - 4];
break;
// Period
case 'a': // AM, PM
result.hour12 = true;
break;
case 'b': // am, pm, noon, midnight
case 'B': // flexible day periods
throw new RangeError('`b/B` (period) patterns are not supported, use `a` instead');
// Hour
case 'h':
result.hourCycle = 'h12';
result.hour = ['numeric', '2-digit'][len - 1];
break;
case 'H':
result.hourCycle = 'h23';
result.hour = ['numeric', '2-digit'][len - 1];
break;
case 'K':
result.hourCycle = 'h11';
result.hour = ['numeric', '2-digit'][len - 1];
break;
case 'k':
result.hourCycle = 'h24';
result.hour = ['numeric', '2-digit'][len - 1];
break;
case 'j':
case 'J':
case 'C':
throw new RangeError('`j/J/C` (hour) patterns are not supported, use `h/H/K/k` instead');
// Minute
case 'm':
result.minute = ['numeric', '2-digit'][len - 1];
break;
// Second
case 's':
result.second = ['numeric', '2-digit'][len - 1];
break;
case 'S':
case 'A':
throw new RangeError('`S/A` (second) patterns are not supported, use `s` instead');
// Zone
case 'z': // 1..3, 4: specific non-location format
result.timeZoneName = len < 4 ? 'short' : 'long';
break;
case 'Z': // 1..3, 4, 5: The ISO8601 varios formats
case 'O': // 1, 4: milliseconds in day short, long
case 'v': // 1, 4: generic non-location format
case 'V': // 1, 2, 3, 4: time zone ID or city
case 'X': // 1, 2, 3, 4: The ISO8601 varios formats
case 'x': // 1, 2, 3, 4: The ISO8601 varios formats
throw new RangeError('`Z/O/v/V/X/x` (timeZone) patterns are not supported, use `z` instead');
}
return '';
});
return result;
}
exports.parseDateTimeSkeleton = parseDateTimeSkeleton;

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export * from './date-time';
export * from './number';

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
tslib_1.__exportStar(require("./date-time"), exports);
tslib_1.__exportStar(require("./number"), exports);

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/**
* Parse Date time skeleton into Intl.DateTimeFormatOptions
* Ref: https://unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table
* @public
* @param skeleton skeleton string
*/
export declare function parseDateTimeSkeleton(skeleton: string): Intl.DateTimeFormatOptions;

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/**
* https://unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table
* Credit: https://github.com/caridy/intl-datetimeformat-pattern/blob/master/index.js
* with some tweaks
*/
var DATE_TIME_REGEX = /(?:[Eec]{1,6}|G{1,5}|[Qq]{1,5}|(?:[yYur]+|U{1,5})|[ML]{1,5}|d{1,2}|D{1,3}|F{1}|[abB]{1,5}|[hkHK]{1,2}|w{1,2}|W{1}|m{1,2}|s{1,2}|[zZOvVxX]{1,4})(?=([^']*'[^']*')*[^']*$)/g;
/**
* Parse Date time skeleton into Intl.DateTimeFormatOptions
* Ref: https://unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table
* @public
* @param skeleton skeleton string
*/
export function parseDateTimeSkeleton(skeleton) {
var result = {};
skeleton.replace(DATE_TIME_REGEX, function (match) {
var len = match.length;
switch (match[0]) {
// Era
case 'G':
result.era = len === 4 ? 'long' : len === 5 ? 'narrow' : 'short';
break;
// Year
case 'y':
result.year = len === 2 ? '2-digit' : 'numeric';
break;
case 'Y':
case 'u':
case 'U':
case 'r':
throw new RangeError('`Y/u/U/r` (year) patterns are not supported, use `y` instead');
// Quarter
case 'q':
case 'Q':
throw new RangeError('`q/Q` (quarter) patterns are not supported');
// Month
case 'M':
case 'L':
result.month = ['numeric', '2-digit', 'short', 'long', 'narrow'][len - 1];
break;
// Week
case 'w':
case 'W':
throw new RangeError('`w/W` (week) patterns are not supported');
case 'd':
result.day = ['numeric', '2-digit'][len - 1];
break;
case 'D':
case 'F':
case 'g':
throw new RangeError('`D/F/g` (day) patterns are not supported, use `d` instead');
// Weekday
case 'E':
result.weekday = len === 4 ? 'long' : len === 5 ? 'narrow' : 'short';
break;
case 'e':
if (len < 4) {
throw new RangeError('`e..eee` (weekday) patterns are not supported');
}
result.weekday = ['short', 'long', 'narrow', 'short'][len - 4];
break;
case 'c':
if (len < 4) {
throw new RangeError('`c..ccc` (weekday) patterns are not supported');
}
result.weekday = ['short', 'long', 'narrow', 'short'][len - 4];
break;
// Period
case 'a': // AM, PM
result.hour12 = true;
break;
case 'b': // am, pm, noon, midnight
case 'B': // flexible day periods
throw new RangeError('`b/B` (period) patterns are not supported, use `a` instead');
// Hour
case 'h':
result.hourCycle = 'h12';
result.hour = ['numeric', '2-digit'][len - 1];
break;
case 'H':
result.hourCycle = 'h23';
result.hour = ['numeric', '2-digit'][len - 1];
break;
case 'K':
result.hourCycle = 'h11';
result.hour = ['numeric', '2-digit'][len - 1];
break;
case 'k':
result.hourCycle = 'h24';
result.hour = ['numeric', '2-digit'][len - 1];
break;
case 'j':
case 'J':
case 'C':
throw new RangeError('`j/J/C` (hour) patterns are not supported, use `h/H/K/k` instead');
// Minute
case 'm':
result.minute = ['numeric', '2-digit'][len - 1];
break;
// Second
case 's':
result.second = ['numeric', '2-digit'][len - 1];
break;
case 'S':
case 'A':
throw new RangeError('`S/A` (second) patterns are not supported, use `s` instead');
// Zone
case 'z': // 1..3, 4: specific non-location format
result.timeZoneName = len < 4 ? 'short' : 'long';
break;
case 'Z': // 1..3, 4, 5: The ISO8601 varios formats
case 'O': // 1, 4: milliseconds in day short, long
case 'v': // 1, 4: generic non-location format
case 'V': // 1, 2, 3, 4: time zone ID or city
case 'X': // 1, 2, 3, 4: The ISO8601 varios formats
case 'x': // 1, 2, 3, 4: The ISO8601 varios formats
throw new RangeError('`Z/O/v/V/X/x` (timeZone) patterns are not supported, use `z` instead');
}
return '';
});
return result;
}

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export * from './date-time';
export * from './number';

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export * from './date-time';
export * from './number';

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import type { NumberFormatOptions } from '@formatjs/ecma402-abstract';
export interface ExtendedNumberFormatOptions extends NumberFormatOptions {
scale?: number;
}
export interface NumberSkeletonToken {
stem: string;
options: string[];
}
export declare function parseNumberSkeletonFromString(skeleton: string): NumberSkeletonToken[];
/**
* https://github.com/unicode-org/icu/blob/master/docs/userguide/format_parse/numbers/skeletons.md#skeleton-stems-and-options
*/
export declare function parseNumberSkeleton(tokens: NumberSkeletonToken[]): ExtendedNumberFormatOptions;

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import { __assign } from "tslib";
import { WHITE_SPACE_REGEX } from './regex.generated';
export function parseNumberSkeletonFromString(skeleton) {
if (skeleton.length === 0) {
throw new Error('Number skeleton cannot be empty');
}
// Parse the skeleton
var stringTokens = skeleton
.split(WHITE_SPACE_REGEX)
.filter(function (x) { return x.length > 0; });
var tokens = [];
for (var _i = 0, stringTokens_1 = stringTokens; _i < stringTokens_1.length; _i++) {
var stringToken = stringTokens_1[_i];
var stemAndOptions = stringToken.split('/');
if (stemAndOptions.length === 0) {
throw new Error('Invalid number skeleton');
}
var stem = stemAndOptions[0], options = stemAndOptions.slice(1);
for (var _a = 0, options_1 = options; _a < options_1.length; _a++) {
var option = options_1[_a];
if (option.length === 0) {
throw new Error('Invalid number skeleton');
}
}
tokens.push({ stem: stem, options: options });
}
return tokens;
}
function icuUnitToEcma(unit) {
return unit.replace(/^(.*?)-/, '');
}
var FRACTION_PRECISION_REGEX = /^\.(?:(0+)(\*)?|(#+)|(0+)(#+))$/g;
var SIGNIFICANT_PRECISION_REGEX = /^(@+)?(\+|#+)?[rs]?$/g;
var INTEGER_WIDTH_REGEX = /(\*)(0+)|(#+)(0+)|(0+)/g;
var CONCISE_INTEGER_WIDTH_REGEX = /^(0+)$/;
function parseSignificantPrecision(str) {
var result = {};
if (str[str.length - 1] === 'r') {
result.roundingPriority = 'morePrecision';
}
else if (str[str.length - 1] === 's') {
result.roundingPriority = 'lessPrecision';
}
str.replace(SIGNIFICANT_PRECISION_REGEX, function (_, g1, g2) {
// @@@ case
if (typeof g2 !== 'string') {
result.minimumSignificantDigits = g1.length;
result.maximumSignificantDigits = g1.length;
}
// @@@+ case
else if (g2 === '+') {
result.minimumSignificantDigits = g1.length;
}
// .### case
else if (g1[0] === '#') {
result.maximumSignificantDigits = g1.length;
}
// .@@## or .@@@ case
else {
result.minimumSignificantDigits = g1.length;
result.maximumSignificantDigits =
g1.length + (typeof g2 === 'string' ? g2.length : 0);
}
return '';
});
return result;
}
function parseSign(str) {
switch (str) {
case 'sign-auto':
return {
signDisplay: 'auto',
};
case 'sign-accounting':
case '()':
return {
currencySign: 'accounting',
};
case 'sign-always':
case '+!':
return {
signDisplay: 'always',
};
case 'sign-accounting-always':
case '()!':
return {
signDisplay: 'always',
currencySign: 'accounting',
};
case 'sign-except-zero':
case '+?':
return {
signDisplay: 'exceptZero',
};
case 'sign-accounting-except-zero':
case '()?':
return {
signDisplay: 'exceptZero',
currencySign: 'accounting',
};
case 'sign-never':
case '+_':
return {
signDisplay: 'never',
};
}
}
function parseConciseScientificAndEngineeringStem(stem) {
// Engineering
var result;
if (stem[0] === 'E' && stem[1] === 'E') {
result = {
notation: 'engineering',
};
stem = stem.slice(2);
}
else if (stem[0] === 'E') {
result = {
notation: 'scientific',
};
stem = stem.slice(1);
}
if (result) {
var signDisplay = stem.slice(0, 2);
if (signDisplay === '+!') {
result.signDisplay = 'always';
stem = stem.slice(2);
}
else if (signDisplay === '+?') {
result.signDisplay = 'exceptZero';
stem = stem.slice(2);
}
if (!CONCISE_INTEGER_WIDTH_REGEX.test(stem)) {
throw new Error('Malformed concise eng/scientific notation');
}
result.minimumIntegerDigits = stem.length;
}
return result;
}
function parseNotationOptions(opt) {
var result = {};
var signOpts = parseSign(opt);
if (signOpts) {
return signOpts;
}
return result;
}
/**
* https://github.com/unicode-org/icu/blob/master/docs/userguide/format_parse/numbers/skeletons.md#skeleton-stems-and-options
*/
export function parseNumberSkeleton(tokens) {
var result = {};
for (var _i = 0, tokens_1 = tokens; _i < tokens_1.length; _i++) {
var token = tokens_1[_i];
switch (token.stem) {
case 'percent':
case '%':
result.style = 'percent';
continue;
case '%x100':
result.style = 'percent';
result.scale = 100;
continue;
case 'currency':
result.style = 'currency';
result.currency = token.options[0];
continue;
case 'group-off':
case ',_':
result.useGrouping = false;
continue;
case 'precision-integer':
case '.':
result.maximumFractionDigits = 0;
continue;
case 'measure-unit':
case 'unit':
result.style = 'unit';
result.unit = icuUnitToEcma(token.options[0]);
continue;
case 'compact-short':
case 'K':
result.notation = 'compact';
result.compactDisplay = 'short';
continue;
case 'compact-long':
case 'KK':
result.notation = 'compact';
result.compactDisplay = 'long';
continue;
case 'scientific':
result = __assign(__assign(__assign({}, result), { notation: 'scientific' }), token.options.reduce(function (all, opt) { return (__assign(__assign({}, all), parseNotationOptions(opt))); }, {}));
continue;
case 'engineering':
result = __assign(__assign(__assign({}, result), { notation: 'engineering' }), token.options.reduce(function (all, opt) { return (__assign(__assign({}, all), parseNotationOptions(opt))); }, {}));
continue;
case 'notation-simple':
result.notation = 'standard';
continue;
// https://github.com/unicode-org/icu/blob/master/icu4c/source/i18n/unicode/unumberformatter.h
case 'unit-width-narrow':
result.currencyDisplay = 'narrowSymbol';
result.unitDisplay = 'narrow';
continue;
case 'unit-width-short':
result.currencyDisplay = 'code';
result.unitDisplay = 'short';
continue;
case 'unit-width-full-name':
result.currencyDisplay = 'name';
result.unitDisplay = 'long';
continue;
case 'unit-width-iso-code':
result.currencyDisplay = 'symbol';
continue;
case 'scale':
result.scale = parseFloat(token.options[0]);
continue;
case 'rounding-mode-floor':
result.roundingMode = 'floor';
continue;
case 'rounding-mode-ceiling':
result.roundingMode = 'ceil';
continue;
case 'rounding-mode-down':
result.roundingMode = 'trunc';
continue;
case 'rounding-mode-up':
result.roundingMode = 'expand';
continue;
case 'rounding-mode-half-even':
result.roundingMode = 'halfEven';
continue;
case 'rounding-mode-half-down':
result.roundingMode = 'halfTrunc';
continue;
case 'rounding-mode-half-up':
result.roundingMode = 'halfExpand';
continue;
// https://unicode-org.github.io/icu/userguide/format_parse/numbers/skeletons.html#integer-width
case 'integer-width':
if (token.options.length > 1) {
throw new RangeError('integer-width stems only accept a single optional option');
}
token.options[0].replace(INTEGER_WIDTH_REGEX, function (_, g1, g2, g3, g4, g5) {
if (g1) {
result.minimumIntegerDigits = g2.length;
}
else if (g3 && g4) {
throw new Error('We currently do not support maximum integer digits');
}
else if (g5) {
throw new Error('We currently do not support exact integer digits');
}
return '';
});
continue;
}
// https://unicode-org.github.io/icu/userguide/format_parse/numbers/skeletons.html#integer-width
if (CONCISE_INTEGER_WIDTH_REGEX.test(token.stem)) {
result.minimumIntegerDigits = token.stem.length;
continue;
}
if (FRACTION_PRECISION_REGEX.test(token.stem)) {
// Precision
// https://unicode-org.github.io/icu/userguide/format_parse/numbers/skeletons.html#fraction-precision
// precision-integer case
if (token.options.length > 1) {
throw new RangeError('Fraction-precision stems only accept a single optional option');
}
token.stem.replace(FRACTION_PRECISION_REGEX, function (_, g1, g2, g3, g4, g5) {
// .000* case (before ICU67 it was .000+)
if (g2 === '*') {
result.minimumFractionDigits = g1.length;
}
// .### case
else if (g3 && g3[0] === '#') {
result.maximumFractionDigits = g3.length;
}
// .00## case
else if (g4 && g5) {
result.minimumFractionDigits = g4.length;
result.maximumFractionDigits = g4.length + g5.length;
}
else {
result.minimumFractionDigits = g1.length;
result.maximumFractionDigits = g1.length;
}
return '';
});
var opt = token.options[0];
// https://unicode-org.github.io/icu/userguide/format_parse/numbers/skeletons.html#trailing-zero-display
if (opt === 'w') {
result = __assign(__assign({}, result), { trailingZeroDisplay: 'stripIfInteger' });
}
else if (opt) {
result = __assign(__assign({}, result), parseSignificantPrecision(opt));
}
continue;
}
// https://unicode-org.github.io/icu/userguide/format_parse/numbers/skeletons.html#significant-digits-precision
if (SIGNIFICANT_PRECISION_REGEX.test(token.stem)) {
result = __assign(__assign({}, result), parseSignificantPrecision(token.stem));
continue;
}
var signOpts = parseSign(token.stem);
if (signOpts) {
result = __assign(__assign({}, result), signOpts);
}
var conciseScientificAndEngineeringOpts = parseConciseScientificAndEngineeringStem(token.stem);
if (conciseScientificAndEngineeringOpts) {
result = __assign(__assign({}, result), conciseScientificAndEngineeringOpts);
}
}
return result;
}

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export declare const WHITE_SPACE_REGEX: RegExp;

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// @generated from regex-gen.ts
export var WHITE_SPACE_REGEX = /[\t-\r \x85\u200E\u200F\u2028\u2029]/i;

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import type { NumberFormatOptions } from '@formatjs/ecma402-abstract';
export interface ExtendedNumberFormatOptions extends NumberFormatOptions {
scale?: number;
}
export interface NumberSkeletonToken {
stem: string;
options: string[];
}
export declare function parseNumberSkeletonFromString(skeleton: string): NumberSkeletonToken[];
/**
* https://github.com/unicode-org/icu/blob/master/docs/userguide/format_parse/numbers/skeletons.md#skeleton-stems-and-options
*/
export declare function parseNumberSkeleton(tokens: NumberSkeletonToken[]): ExtendedNumberFormatOptions;

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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseNumberSkeleton = exports.parseNumberSkeletonFromString = void 0;
var tslib_1 = require("tslib");
var regex_generated_1 = require("./regex.generated");
function parseNumberSkeletonFromString(skeleton) {
if (skeleton.length === 0) {
throw new Error('Number skeleton cannot be empty');
}
// Parse the skeleton
var stringTokens = skeleton
.split(regex_generated_1.WHITE_SPACE_REGEX)
.filter(function (x) { return x.length > 0; });
var tokens = [];
for (var _i = 0, stringTokens_1 = stringTokens; _i < stringTokens_1.length; _i++) {
var stringToken = stringTokens_1[_i];
var stemAndOptions = stringToken.split('/');
if (stemAndOptions.length === 0) {
throw new Error('Invalid number skeleton');
}
var stem = stemAndOptions[0], options = stemAndOptions.slice(1);
for (var _a = 0, options_1 = options; _a < options_1.length; _a++) {
var option = options_1[_a];
if (option.length === 0) {
throw new Error('Invalid number skeleton');
}
}
tokens.push({ stem: stem, options: options });
}
return tokens;
}
exports.parseNumberSkeletonFromString = parseNumberSkeletonFromString;
function icuUnitToEcma(unit) {
return unit.replace(/^(.*?)-/, '');
}
var FRACTION_PRECISION_REGEX = /^\.(?:(0+)(\*)?|(#+)|(0+)(#+))$/g;
var SIGNIFICANT_PRECISION_REGEX = /^(@+)?(\+|#+)?[rs]?$/g;
var INTEGER_WIDTH_REGEX = /(\*)(0+)|(#+)(0+)|(0+)/g;
var CONCISE_INTEGER_WIDTH_REGEX = /^(0+)$/;
function parseSignificantPrecision(str) {
var result = {};
if (str[str.length - 1] === 'r') {
result.roundingPriority = 'morePrecision';
}
else if (str[str.length - 1] === 's') {
result.roundingPriority = 'lessPrecision';
}
str.replace(SIGNIFICANT_PRECISION_REGEX, function (_, g1, g2) {
// @@@ case
if (typeof g2 !== 'string') {
result.minimumSignificantDigits = g1.length;
result.maximumSignificantDigits = g1.length;
}
// @@@+ case
else if (g2 === '+') {
result.minimumSignificantDigits = g1.length;
}
// .### case
else if (g1[0] === '#') {
result.maximumSignificantDigits = g1.length;
}
// .@@## or .@@@ case
else {
result.minimumSignificantDigits = g1.length;
result.maximumSignificantDigits =
g1.length + (typeof g2 === 'string' ? g2.length : 0);
}
return '';
});
return result;
}
function parseSign(str) {
switch (str) {
case 'sign-auto':
return {
signDisplay: 'auto',
};
case 'sign-accounting':
case '()':
return {
currencySign: 'accounting',
};
case 'sign-always':
case '+!':
return {
signDisplay: 'always',
};
case 'sign-accounting-always':
case '()!':
return {
signDisplay: 'always',
currencySign: 'accounting',
};
case 'sign-except-zero':
case '+?':
return {
signDisplay: 'exceptZero',
};
case 'sign-accounting-except-zero':
case '()?':
return {
signDisplay: 'exceptZero',
currencySign: 'accounting',
};
case 'sign-never':
case '+_':
return {
signDisplay: 'never',
};
}
}
function parseConciseScientificAndEngineeringStem(stem) {
// Engineering
var result;
if (stem[0] === 'E' && stem[1] === 'E') {
result = {
notation: 'engineering',
};
stem = stem.slice(2);
}
else if (stem[0] === 'E') {
result = {
notation: 'scientific',
};
stem = stem.slice(1);
}
if (result) {
var signDisplay = stem.slice(0, 2);
if (signDisplay === '+!') {
result.signDisplay = 'always';
stem = stem.slice(2);
}
else if (signDisplay === '+?') {
result.signDisplay = 'exceptZero';
stem = stem.slice(2);
}
if (!CONCISE_INTEGER_WIDTH_REGEX.test(stem)) {
throw new Error('Malformed concise eng/scientific notation');
}
result.minimumIntegerDigits = stem.length;
}
return result;
}
function parseNotationOptions(opt) {
var result = {};
var signOpts = parseSign(opt);
if (signOpts) {
return signOpts;
}
return result;
}
/**
* https://github.com/unicode-org/icu/blob/master/docs/userguide/format_parse/numbers/skeletons.md#skeleton-stems-and-options
*/
function parseNumberSkeleton(tokens) {
var result = {};
for (var _i = 0, tokens_1 = tokens; _i < tokens_1.length; _i++) {
var token = tokens_1[_i];
switch (token.stem) {
case 'percent':
case '%':
result.style = 'percent';
continue;
case '%x100':
result.style = 'percent';
result.scale = 100;
continue;
case 'currency':
result.style = 'currency';
result.currency = token.options[0];
continue;
case 'group-off':
case ',_':
result.useGrouping = false;
continue;
case 'precision-integer':
case '.':
result.maximumFractionDigits = 0;
continue;
case 'measure-unit':
case 'unit':
result.style = 'unit';
result.unit = icuUnitToEcma(token.options[0]);
continue;
case 'compact-short':
case 'K':
result.notation = 'compact';
result.compactDisplay = 'short';
continue;
case 'compact-long':
case 'KK':
result.notation = 'compact';
result.compactDisplay = 'long';
continue;
case 'scientific':
result = tslib_1.__assign(tslib_1.__assign(tslib_1.__assign({}, result), { notation: 'scientific' }), token.options.reduce(function (all, opt) { return (tslib_1.__assign(tslib_1.__assign({}, all), parseNotationOptions(opt))); }, {}));
continue;
case 'engineering':
result = tslib_1.__assign(tslib_1.__assign(tslib_1.__assign({}, result), { notation: 'engineering' }), token.options.reduce(function (all, opt) { return (tslib_1.__assign(tslib_1.__assign({}, all), parseNotationOptions(opt))); }, {}));
continue;
case 'notation-simple':
result.notation = 'standard';
continue;
// https://github.com/unicode-org/icu/blob/master/icu4c/source/i18n/unicode/unumberformatter.h
case 'unit-width-narrow':
result.currencyDisplay = 'narrowSymbol';
result.unitDisplay = 'narrow';
continue;
case 'unit-width-short':
result.currencyDisplay = 'code';
result.unitDisplay = 'short';
continue;
case 'unit-width-full-name':
result.currencyDisplay = 'name';
result.unitDisplay = 'long';
continue;
case 'unit-width-iso-code':
result.currencyDisplay = 'symbol';
continue;
case 'scale':
result.scale = parseFloat(token.options[0]);
continue;
case 'rounding-mode-floor':
result.roundingMode = 'floor';
continue;
case 'rounding-mode-ceiling':
result.roundingMode = 'ceil';
continue;
case 'rounding-mode-down':
result.roundingMode = 'trunc';
continue;
case 'rounding-mode-up':
result.roundingMode = 'expand';
continue;
case 'rounding-mode-half-even':
result.roundingMode = 'halfEven';
continue;
case 'rounding-mode-half-down':
result.roundingMode = 'halfTrunc';
continue;
case 'rounding-mode-half-up':
result.roundingMode = 'halfExpand';
continue;
// https://unicode-org.github.io/icu/userguide/format_parse/numbers/skeletons.html#integer-width
case 'integer-width':
if (token.options.length > 1) {
throw new RangeError('integer-width stems only accept a single optional option');
}
token.options[0].replace(INTEGER_WIDTH_REGEX, function (_, g1, g2, g3, g4, g5) {
if (g1) {
result.minimumIntegerDigits = g2.length;
}
else if (g3 && g4) {
throw new Error('We currently do not support maximum integer digits');
}
else if (g5) {
throw new Error('We currently do not support exact integer digits');
}
return '';
});
continue;
}
// https://unicode-org.github.io/icu/userguide/format_parse/numbers/skeletons.html#integer-width
if (CONCISE_INTEGER_WIDTH_REGEX.test(token.stem)) {
result.minimumIntegerDigits = token.stem.length;
continue;
}
if (FRACTION_PRECISION_REGEX.test(token.stem)) {
// Precision
// https://unicode-org.github.io/icu/userguide/format_parse/numbers/skeletons.html#fraction-precision
// precision-integer case
if (token.options.length > 1) {
throw new RangeError('Fraction-precision stems only accept a single optional option');
}
token.stem.replace(FRACTION_PRECISION_REGEX, function (_, g1, g2, g3, g4, g5) {
// .000* case (before ICU67 it was .000+)
if (g2 === '*') {
result.minimumFractionDigits = g1.length;
}
// .### case
else if (g3 && g3[0] === '#') {
result.maximumFractionDigits = g3.length;
}
// .00## case
else if (g4 && g5) {
result.minimumFractionDigits = g4.length;
result.maximumFractionDigits = g4.length + g5.length;
}
else {
result.minimumFractionDigits = g1.length;
result.maximumFractionDigits = g1.length;
}
return '';
});
var opt = token.options[0];
// https://unicode-org.github.io/icu/userguide/format_parse/numbers/skeletons.html#trailing-zero-display
if (opt === 'w') {
result = tslib_1.__assign(tslib_1.__assign({}, result), { trailingZeroDisplay: 'stripIfInteger' });
}
else if (opt) {
result = tslib_1.__assign(tslib_1.__assign({}, result), parseSignificantPrecision(opt));
}
continue;
}
// https://unicode-org.github.io/icu/userguide/format_parse/numbers/skeletons.html#significant-digits-precision
if (SIGNIFICANT_PRECISION_REGEX.test(token.stem)) {
result = tslib_1.__assign(tslib_1.__assign({}, result), parseSignificantPrecision(token.stem));
continue;
}
var signOpts = parseSign(token.stem);
if (signOpts) {
result = tslib_1.__assign(tslib_1.__assign({}, result), signOpts);
}
var conciseScientificAndEngineeringOpts = parseConciseScientificAndEngineeringStem(token.stem);
if (conciseScientificAndEngineeringOpts) {
result = tslib_1.__assign(tslib_1.__assign({}, result), conciseScientificAndEngineeringOpts);
}
}
return result;
}
exports.parseNumberSkeleton = parseNumberSkeleton;

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@@ -0,0 +1,17 @@
{
"name": "@formatjs/icu-skeleton-parser",
"version": "1.8.0",
"main": "index.js",
"module": "lib/index.js",
"types": "index.d.ts",
"license": "MIT",
"repository": {
"type": "git",
"url": "https://github.com/formatjs/formatjs.git",
"directory": "packages/icu-skeleton-parser"
},
"dependencies": {
"tslib": "^2.4.0",
"@formatjs/ecma402-abstract": "1.18.2"
}
}

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@@ -0,0 +1 @@
export declare const WHITE_SPACE_REGEX: RegExp;

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@@ -0,0 +1,5 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.WHITE_SPACE_REGEX = void 0;
// @generated from regex-gen.ts
exports.WHITE_SPACE_REGEX = /[\t-\r \x85\u200E\u200F\u2028\u2029]/i;