Convert recompose imports

convert-recompose-imports.js

module.exports = function transformer(file, api, options) {
  const j = api.jscodeshift;
  const root = j(file.source);
  const printOptions = options.printOptions || { quote: 'single' };

  const EXCLUDE_IMPORTS = [
    'baconObservableConfig',
    'flydObservableConfig',
    'kefirObservableConfig',
    'mostObservableConfig',
    'rxjs4ObservableConfig',
    'rxjsObservableConfig',
    'xstreamObservableConfig',
  ];
  const modules = [];

  const getImportModules = modules =>
    j.importDeclaration(
      modules.sort().map(m => j.importSpecifier(j.identifier(m))),
      j.literal('recompose')
    );

  return root
    .find(j.ImportDeclaration)
    .filter(node => node.value.source.value.indexOf('recompose') !== -1)
    .filter(node =>
      EXCLUDE_IMPORTS.every(el => el !== node.value.specifiers[0].local.name)
    )
    .forEach(node => node.value.specifiers.map(m => modules.push(m.local.name)))
    .replaceWith((_, i) => (i === 0 ? getImportModules(modules) : undefined))
    .toSource(printOptions);
};