Function loadRegisteredNamespaces

src/lang/check.mjs:40–93

()

}

function loadRegisteredNamespaces() {
  const source = getNamespaceIndexFile()
  if (!source) {
    return new Map()
  }

  const { pack, indexFile } = source
  const content = fs.readFileSync(indexFile, 'utf8')
  const importVarToFile = new Map()
  let importMatch

  while ((importMatch = INDEX_IMPORT_PATTERN.exec(content)) !== null) {
    importVarToFile.set(importMatch[1], importMatch[2])
  }

  const namespaceByFile = new Map()
  const lines = content.split(/\r?\n/)
  let inPackBlock = false

  for (const rawLine of lines) {
    const line = rawLine.trim()
    if (!inPackBlock) {
      if (line === `${pack}: {`) {
        inPackBlock = true
      }
      continue
    }

    if (line === '}' || line === '},') {
      break
    }

    let entryMatch = line.match(INDEX_ENTRY_PATTERN)
    if (entryMatch) {
      const [, , namespace, importVar] = entryMatch
      const fileName = importVarToFile.get(importVar)
      if (fileName) {
        namespaceByFile.set(fileName, namespace)
      }
      continue
    }

    entryMatch = line.match(INDEX_SHORTHAND_PATTERN)
    if (entryMatch) {
      const importVar = entryMatch[1]
      const fileName = importVarToFile.get(importVar)
      if (fileName) {
        namespaceByFile.set(fileName, importVar)
      }
    }
  }

  return namespaceByFile
}

const REGISTERED_NAMESPACE_BY_FILE = loadRegisteredNamespaces()