Function parseMetadata

packages/localize/src/utils/src/messages.ts:247–264

(cooked: string, raw: string)

 * @returns A object containing any metadata that was parsed from the message part.
 */
export function parseMetadata(cooked: string, raw: string): MessageMetadata {
  const {text: messageString, block} = splitBlock(cooked, raw);
  if (block === undefined) {
    return {text: messageString};
  } else {
    const [meaningDescAndId, ...legacyIds] = block.split(LEGACY_ID_INDICATOR);
    const [meaningAndDesc, customId] = meaningDescAndId.split(ID_SEPARATOR, 2);
    let [meaning, description]: (string | undefined)[] = meaningAndDesc.split(MEANING_SEPARATOR, 2);
    if (description === undefined) {
      description = meaning;
      meaning = undefined;
    }
    if (description === '') {
      description = undefined;
    }
    return {text: messageString, meaning, description, customId, legacyIds};
  }
}

/**
 * Parse the given message part (`cooked` + `raw`) to extract any placeholder metadata from the