Function migrateFiles

packages/localize/tools/src/migrate/index.ts:30–52

({
  rootPath,
  translationFilePaths,
  mappingFilePath,
  logger,
}: MigrateFilesOptions)

/** Migrates the legacy message IDs based on the passed in configuration. */
export function migrateFiles({
  rootPath,
  translationFilePaths,
  mappingFilePath,
  logger,
}: MigrateFilesOptions) {
  const fs = getFileSystem();
  const absoluteMappingPath = fs.resolve(rootPath, mappingFilePath);
  const mapping = JSON.parse(fs.readFile(absoluteMappingPath)) as MigrationMapping;

  if (Object.keys(mapping).length === 0) {
    logger.warn(
      `Mapping file at ${absoluteMappingPath} is empty. Either there are no messages ` +
        `that need to be migrated, or the extraction step failed to find them.`,
    );
  } else {
    translationFilePaths.forEach((path) => {
      const absolutePath = fs.resolve(rootPath, path);
      const sourceCode = fs.readFile(absolutePath);
      fs.writeFile(absolutePath, migrateFile(sourceCode, mapping));
    });
  }
}