text: import path from 'path'
  import flat from 'flat'
  import { get, set } from 'lodash-es'
  import languages from './languages.js'
  import dataDirectory from './data-directory.js'
  import encodeBracketedParentheses from './encode-bracketed-parentheses.js'
  
  const loadSiteDataFromDir = (dir) => ({
    site: {
      data: dataDirectory(path.join(dir, 'data'), {
        preprocess: (dataString) => encodeBracketedParentheses(dataString.trimEnd()),
        ignorePatterns: [/README\.md$/],
      }),
    },
  })
  
  export default function loadSiteData() {
    // load english site data
    const siteData = {
      en: loadSiteDataFromDir(languages.en.dir),
    }
  
    // load and add other language data to siteData where keys match english keys,
    // filling holes with english site data
    const englishKeys = Object.keys(flat(siteData.en))
    for (const language of Object.values(languages)) {
      if (language.code === 'en') continue
      const data = loadSiteDataFromDir(language.dir)
      for (const key of englishKeys) {
        set(siteData, `${language.code}.${key}`, get(data, key) || get(siteData.en, key))
      }
    }
  
    for (const language of Object.values(languages)) {
      // Add the English `slug` to each item, to link a consistent anchor
      siteData[language.code].site.data.glossaries.external.forEach((item, i) => {
        item.slug = siteData.en.site.data.glossaries.external[i].term
      })
  
      // Sort glossary by language-specific function
      if (language.code !== 'en') {
        siteData[language.code].site.data.glossaries.external.sort((a, b) =>
          a.term.localeCompare(b.term, language.code)
        )
      }
    }
  
    return siteData
  }
  