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path: root/date-fns/scripts/build/localeSnapshots/renderFormatParse/index.js
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import format from '../../../../src/format'
import isValid from '../../../../src/isValid'
import parse from '../../../../src/parse'
import toDate from '../../../../src/toDate'
import formatParseTokens from './formatParseTokens'

export default function renderFormatParse(locale) {
  return `## \`format\` and \`parse\`

| Title | Token string | Date | \`format\` result | \`parse\` result |
|-|-|-|-|-|
${formatParseTokens
    .map(({ title, tokens, dates, options = {}, skipParse }) => {
      return tokens
        .map((token, tokenIndex) => {
          return dates
            .map((date, dateIndex) => {
              const dateString = toDate(date).toISOString()
              const formatResult = format(
                date,
                token,
                Object.assign({ locale }, options)
              )
              let parsedDate
              try {
                parsedDate =
                  !skipParse &&
                  parse(
                    formatResult,
                    token,
                    date,
                    Object.assign({ locale }, options)
                  )
              } catch (_err) {
                parsedDate = 'Errored'
              }

              const parseResult = skipParse
                ? 'NA'
                : parsedDate === 'Errored'
                  ? parsedDate
                  : isValid(parsedDate)
                    ? parsedDate.toISOString()
                    : 'Invalid Date'

              if (dateIndex === 0 && tokenIndex === 0) {
                return `| ${title} | ${token} | ${dateString} | ${formatResult} | ${parseResult} |`
              } else if (dateIndex === 0) {
                return `| | ${token} | ${dateString} | ${formatResult} | ${parseResult} |`
              } else {
                return `| | | ${dateString} | ${formatResult} | ${parseResult} |`
              }
            })
            .join('\n')
        })
        .join('\n')
    })
    .join('\n')}`
}