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All rights reserved.\n * This file is licensed to you under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License. You may obtain a copy\n * of the License at http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software distributed under\n * the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS\n * OF ANY KIND, either express or implied. See the License for the specific language\n * governing permissions and limitations under the License.\n */\n\nlet formatterCache = new Map<string, Intl.NumberFormat>();\n\nlet supportsSignDisplay = false;\ntry {\n  supportsSignDisplay = (new Intl.NumberFormat('de-DE', {signDisplay: 'exceptZero'})).resolvedOptions().signDisplay === 'exceptZero';\n  // eslint-disable-next-line no-empty\n} catch {}\n\nlet supportsUnit = false;\ntry {\n  supportsUnit = (new Intl.NumberFormat('de-DE', {style: 'unit', unit: 'degree'})).resolvedOptions().style === 'unit';\n  // eslint-disable-next-line no-empty\n} catch {}\n\n// Polyfill for units since Safari doesn't support them yet. See https://bugs.webkit.org/show_bug.cgi?id=215438.\n// Currently only polyfilling the unit degree in narrow format for ColorSlider in our supported locales.\n// Values were determined by switching to each locale manually in Chrome.\nconst UNITS = {\n  degree: {\n    narrow: {\n      default: '°',\n      'ja-JP': ' 度',\n      'zh-TW': '度',\n      'sl-SI': ' °'\n      // Arabic?? But Safari already doesn't use Arabic digits so might be ok...\n      // https://bugs.webkit.org/show_bug.cgi?id=218139\n    }\n  }\n};\n\nexport interface NumberFormatOptions extends Intl.NumberFormatOptions {\n  /** Overrides default numbering system for the current locale. */\n  numberingSystem?: string\n}\n\ninterface NumberRangeFormatPart extends Intl.NumberFormatPart {\n  source: 'startRange' | 'endRange' | 'shared'\n}\n\n/**\n * A wrapper around Intl.NumberFormat providing additional options, polyfills, and caching for performance.\n */\nexport class NumberFormatter implements Intl.NumberFormat {\n  private numberFormatter: Intl.NumberFormat;\n  private options: NumberFormatOptions;\n\n  constructor(locale: string, options: NumberFormatOptions = {}) {\n    this.numberFormatter = getCachedNumberFormatter(locale, options);\n    this.options = options;\n  }\n\n  /** Formats a number value as a string, according to the locale and options provided to the constructor. */\n  format(value: number): string {\n    let res = '';\n    if (!supportsSignDisplay && this.options.signDisplay != null) {\n      res = numberFormatSignDisplayPolyfill(this.numberFormatter, this.options.signDisplay, value);\n    } else {\n      res = this.numberFormatter.format(value);\n    }\n\n    if (this.options.style === 'unit' && !supportsUnit) {\n      let {unit, unitDisplay = 'short', locale} = this.resolvedOptions();\n      if (!unit) {\n        return res;\n      }\n      let values = UNITS[unit]?.[unitDisplay];\n      res += values[locale] || values.default;\n    }\n\n    return res;\n  }\n\n  /** Formats a number to an array of parts such as separators, digits, punctuation, and more. */\n  formatToParts(value: number): Intl.NumberFormatPart[] {\n    // TODO: implement signDisplay for formatToParts\n    return this.numberFormatter.formatToParts(value);\n  }\n\n  /** Formats a number range as a string. */\n  formatRange(start: number, end: number): string {\n    if (typeof this.numberFormatter.formatRange === 'function') {\n      return this.numberFormatter.formatRange(start, end);\n    }\n\n    if (end < start) {\n      throw new RangeError('End date must be >= start date');\n    }\n\n    // Very basic fallback for old browsers.\n    return `${this.format(start)} – ${this.format(end)}`;\n  }\n\n  /** Formats a number range as an array of parts. */\n  formatRangeToParts(start: number, end: number): NumberRangeFormatPart[] {\n    if (typeof this.numberFormatter.formatRangeToParts === 'function') {\n      return this.numberFormatter.formatRangeToParts(start, end);\n    }\n\n    if (end < start) {\n      throw new RangeError('End date must be >= start date');\n    }\n\n    let startParts = this.numberFormatter.formatToParts(start);\n    let endParts = this.numberFormatter.formatToParts(end);\n    return [\n      ...startParts.map(p => ({...p, source: 'startRange'} as NumberRangeFormatPart)),\n      {type: 'literal', value: ' – ', source: 'shared'},\n      ...endParts.map(p => ({...p, source: 'endRange'} as NumberRangeFormatPart))\n    ];\n  }\n\n  /** Returns the resolved formatting options based on the values passed to the constructor. */\n  resolvedOptions(): Intl.ResolvedNumberFormatOptions {\n    let options = this.numberFormatter.resolvedOptions();\n    if (!supportsSignDisplay && this.options.signDisplay != null) {\n      options = {...options, signDisplay: this.options.signDisplay};\n    }\n\n    if (!supportsUnit && this.options.style === 'unit') {\n      options = {...options, style: 'unit', unit: this.options.unit, unitDisplay: this.options.unitDisplay};\n    }\n\n    return options;\n  }\n}\n\nfunction getCachedNumberFormatter(locale: string, options: NumberFormatOptions = {}): Intl.NumberFormat {\n  let {numberingSystem} = options;\n  if (numberingSystem && locale.includes('-nu-')) {\n    if (!locale.includes('-u-')) {\n      locale += '-u-';\n    }\n    locale += `-nu-${numberingSystem}`;\n  }\n\n  if (options.style === 'unit' && !supportsUnit) {\n    let {unit, unitDisplay = 'short'} = options;\n    if (!unit) {\n      throw new Error('unit option must be provided with style: \"unit\"');\n    }\n    if (!UNITS[unit]?.[unitDisplay]) {\n      throw new Error(`Unsupported unit ${unit} with unitDisplay = ${unitDisplay}`);\n    }\n    options = {...options, style: 'decimal'};\n  }\n\n  let cacheKey = locale + (options ? Object.entries(options).sort((a, b) => a[0] < b[0] ? -1 : 1).join() : '');\n  if (formatterCache.has(cacheKey)) {\n    return formatterCache.get(cacheKey)!;\n  }\n\n  let numberFormatter = new Intl.NumberFormat(locale, options);\n  formatterCache.set(cacheKey, numberFormatter);\n  return numberFormatter;\n}\n\n/** @private - exported for tests */\nexport function numberFormatSignDisplayPolyfill(numberFormat: Intl.NumberFormat, signDisplay: string, num: number): string {\n  if (signDisplay === 'auto') {\n    return numberFormat.format(num);\n  } else if (signDisplay === 'never') {\n    return numberFormat.format(Math.abs(num));\n  } else {\n    let needsPositiveSign = false;\n    if (signDisplay === 'always') {\n      needsPositiveSign = num > 0 || Object.is(num, 0);\n    } else if (signDisplay === 'exceptZero') {\n      if (Object.is(num, -0) || Object.is(num, 0)) {\n        num = Math.abs(num);\n      } else {\n        needsPositiveSign = num > 0;\n      }\n    }\n\n    if (needsPositiveSign) {\n      let negative = numberFormat.format(-num);\n      let noSign = numberFormat.format(num);\n      // ignore RTL/LTR marker character\n      let minus = negative.replace(noSign, '').replace(/\\u200e|\\u061C/, '');\n      if ([...minus].length !== 1) {\n        console.warn('@react-aria/i18n polyfill for NumberFormat signDisplay: Unsupported case');\n      }\n      let positive = negative.replace(noSign, '!!!').replace(minus, '+').replace('!!!', noSign);\n      return positive;\n    } else {\n      return numberFormat.format(num);\n    }\n  }\n}\n"],"names":[],"version":3,"file":"NumberFormatter.module.js.map"}