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// find and update all import React, { Component } from 'react-native'
  root
    .find(j.ImportDeclaration, {
      source: {
        value: 'react-native'
      }
    })
    .filter(({node}) => {
      // check React or { Component } from 'react-native'
      const nodes = node.specifiers.filter(imports => {
        return imports.type === 'ImportDefaultSpecifier' && imports.local.name === 'React' ||
            imports.type === 'ImportSpecifier' && imports.local.name === 'Component';
      });
      return nodes.length > 0;
    })
    .forEach(updateImport);