Function loadSiteTree

lib/page-data.js:195–220

(unversionedTree)

 * Order of languages and versions doesn't matter, but order of child page arrays DOES matter (for navigation).
*/
export async function loadSiteTree(unversionedTree) {
  const rawTree = Object.assign({}, unversionedTree || (await loadUnversionedTree()))
  const siteTree = {}

  // For every language...
  await Promise.all(
    Object.keys(languages).map(async (langCode) => {
      const treePerVersion = {}
      // in every version...
      await Promise.all(
        versions.map(async (version) => {
          // "version" the pages.
          treePerVersion[version] = await versionPages(
            Object.assign({}, rawTree[langCode]),
            version,
            langCode
          )
        })
      )

      siteTree[langCode] = treePerVersion
    })
  )

  return siteTree
}

export async function versionPages(obj, version, langCode) {
  // Add a versioned href as a convenience for use in layouts.