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编辑当前文件:/home/freeclou/app.optimyar.com/backend/node_modules/react-intl/src/formatters/message.ts

/*
 * Copyright 2015, Yahoo Inc.
 * Copyrights licensed under the New BSD License.
 * See the accompanying LICENSE file for terms.
 */

import * as React from 'react'
import {invariant} from '@formatjs/intl-utils'

import {
  Formatters,
  IntlConfig,
  MessageDescriptor,
  CustomFormats,
} from '../types'

import IntlMessageFormat, {
  FormatXMLElementFn,
  PrimitiveType,
} from 'intl-messageformat'
import {ReactIntlError, ReactIntlErrorCode} from '../error'

function setTimeZoneInOptions(
  opts: Record<string, Intl.DateTimeFormatOptions>,
  timeZone: string
): Record<string, Intl.DateTimeFormatOptions> {
  return Object.keys(opts).reduce(
    (all: Record<string, Intl.DateTimeFormatOptions>, k) => {
      all[k] = {
        timeZone,
        ...opts[k],
      }
      return all
    },
    {}
  )
}

function deepMergeOptions(
  opts1: Record<string, Intl.DateTimeFormatOptions>,
  opts2: Record<string, Intl.DateTimeFormatOptions>
): Record<string, Intl.DateTimeFormatOptions> {
  const keys = Object.keys({...opts1, ...opts2})
  return keys.reduce((all: Record<string, Intl.DateTimeFormatOptions>, k) => {
    all[k] = {
      ...(opts1[k] || {}),
      ...(opts2[k] || {}),
    }
    return all
  }, {})
}

function deepMergeFormatsAndSetTimeZone(
  f1: CustomFormats,
  timeZone?: string
): CustomFormats {
  if (!timeZone) {
    return f1
  }
  const mfFormats = IntlMessageFormat.formats
  return {
    ...mfFormats,
    ...f1,
    date: deepMergeOptions(
      setTimeZoneInOptions(mfFormats.date, timeZone),
      setTimeZoneInOptions(f1.date || {}, timeZone)
    ),
    time: deepMergeOptions(
      setTimeZoneInOptions(mfFormats.time, timeZone),
      setTimeZoneInOptions(f1.time || {}, timeZone)
    ),
  }
}

function prepareIntlMessageFormatHtmlOutput(
  chunks: React.ReactNodeArray
): React.ReactElement {
  return React.createElement(React.Fragment, null, ...chunks)
}

export function formatMessage(
  {
    locale,
    formats,
    messages,
    defaultLocale,
    defaultFormats,
    onError,
  }: Pick<
    IntlConfig,
    | 'locale'
    | 'formats'
    | 'messages'
    | 'defaultLocale'
    | 'defaultFormats'
    | 'onError'
  >,
  state: Formatters,
  messageDescriptor?: MessageDescriptor,
  values?: Record<string, PrimitiveType>
): string
export function formatMessage(
  {
    locale,
    formats,
    messages,
    defaultLocale,
    defaultFormats,
    onError,
    timeZone,
    wrapRichTextChunksInFragment,
  }: Pick<
    IntlConfig,
    | 'locale'
    | 'formats'
    | 'messages'
    | 'defaultLocale'
    | 'defaultFormats'
    | 'onError'
    | 'timeZone'
    | 'wrapRichTextChunksInFragment'
  >,
  state: Formatters,
  messageDescriptor: MessageDescriptor = {id: ''},
  values:
    | Record<
        string,
        | React.ReactNode
        | Date
        | FormatXMLElementFn<React.ReactNode, React.ReactNode>
      >
    | undefined = {}
): React.ReactNode {
  const {id, defaultMessage} = messageDescriptor

// `id` is a required field of a Message Descriptor.
  invariant(!!id, '[React Intl] An `id` must be provided to format a message.')
  const message = messages && messages[String(id)]
  formats = deepMergeFormatsAndSetTimeZone(formats, timeZone)
  defaultFormats = deepMergeFormatsAndSetTimeZone(defaultFormats, timeZone)

let formattedMessageParts: React.ReactNode = ''

if (message) {
    try {
      const formatter = state.getMessageFormat(message, locale, formats, {
        formatters: state,
      })

formattedMessageParts = formatter.format<React.ReactNode>(values)
    } catch (e) {
      onError(
        new ReactIntlError(
          ReactIntlErrorCode.FORMAT_ERROR,
          `Error formatting message: "${id}" for locale: "${locale}"` +
            (defaultMessage ? ', using default message as fallback.' : ''),
          messageDescriptor,
          e
        )
      )
    }
  } else if (
    !defaultMessage ||
    (locale && locale.toLowerCase() !== defaultLocale.toLowerCase())
  ) {
    // This prevents warnings from littering the console in development
    // when no `messages` are passed into the <IntlProvider> for the
    // default locale.
    onError(
      new ReactIntlError(
        ReactIntlErrorCode.MISSING_TRANSLATION,
        `Missing message: "${id}" for locale: "${locale}"` +
          (defaultMessage ? ', using default message as fallback.' : ''),
        messageDescriptor
      )
    )
  }

if (!formattedMessageParts && defaultMessage) {
    try {
      const formatter = state.getMessageFormat(
        defaultMessage,
        defaultLocale,
        defaultFormats
      )

formattedMessageParts = formatter.format(values)
    } catch (e) {
      onError(
        new ReactIntlError(
          ReactIntlErrorCode.FORMAT_ERROR,
          `Error formatting the default message for: "${id}"`,
          messageDescriptor,
          e
        )
      )
    }
  }

if (!formattedMessageParts) {
    onError(
      new ReactIntlError(
        ReactIntlErrorCode.FORMAT_ERROR,
        `Cannot format message: "${id}", ` +
          `using message ${
            message || defaultMessage ? 'source' : 'id'
          } as fallback.`,
        messageDescriptor
      )
    )
    if (typeof message === 'string') {
      return message || defaultMessage || String(id)
    }
    return defaultMessage || String(id)
  }
  if (Array.isArray(formattedMessageParts)) {
    if (wrapRichTextChunksInFragment) {
      return prepareIntlMessageFormatHtmlOutput(formattedMessageParts)
    }
    return formattedMessageParts
  }
  return formattedMessageParts as React.ReactNode
}