Function _parseMessageMeta

packages/compiler/src/i18n/extractor_merger.ts:682–695

(i18n?: string)

}

function _parseMessageMeta(i18n?: string): {meaning: string; description: string; id: string} {
  if (!i18n) return {meaning: '', description: '', id: ''};

  const idIndex = i18n.indexOf(ID_SEPARATOR);
  const descIndex = i18n.indexOf(MEANING_SEPARATOR);
  const [meaningAndDesc, id] =
    idIndex > -1 ? [i18n.slice(0, idIndex), i18n.slice(idIndex + 2)] : [i18n, ''];
  const [meaning, description] =
    descIndex > -1
      ? [meaningAndDesc.slice(0, descIndex), meaningAndDesc.slice(descIndex + 1)]
      : ['', meaningAndDesc];

  return {meaning, description, id: id.trim()};
}

function isTextNode(ast: html.Node[]): ast is [html.Text] {
  return ast.length === 1 && ast[0] instanceof html.Text;