Function getRelativeAliasMap

build-system/babel-config/import-resolver.js:87–93

* Produces an alias map with paths relative to the provided root. * @param {string} rootDir * @param {'preact' | 'react'} buildFor * @return {!{[key: string]: string}}

(rootDir, buildFor = 'preact')

 * @return {!{[key: string]: string}}
 */
function getRelativeAliasMap(rootDir, buildFor = 'preact') {
  return Object.fromEntries(
    Object.entries(getImportResolver(buildFor).alias).map(
      ([alias, destPath]) => [alias, path.join(rootDir, destPath)]
    )
  );
}

/**
 * Import resolver Babel plugin configuration.