Function deconstructPattern

packages/intl-listformat/index.ts:164–188

(
  pattern: string,
  placeables: Record<string, Placeable | Placeable[]>
)

}

function deconstructPattern(
  pattern: string,
  placeables: Record<string, Placeable | Placeable[]>
) {
  const patternParts = PartitionPattern(pattern)
  const result: Placeable[] = []
  for (const patternPart of patternParts) {
    const {type: part} = patternPart
    if (isLiteralPart(patternPart)) {
      result.push({
        type: 'literal',
        value: patternPart.value,
      })
    } else {
      invariant(part in placeables, `${part} is missing from placables`)
      const subst = placeables[part]
      if (Array.isArray(subst)) {
        result.push(...subst)
      } else {
        result.push(subst)
      }
    }
  }
  return result
}

export default class ListFormat {
  constructor(locales?: string | string[], options?: IntlListFormatOptions) {