Add import * as React from "react"; to the top of every TypeScript file

codemod.js

const addImports = require("jscodeshift-add-imports");

module.exports = function (fileInfo, api, options) {
  const j = api.jscodeshift;

  const code = fileInfo.source;

  const root = j(code);
  addImports(root, [j.template.statement`import * as React from 'react'`]);
  return root.toSource();
};

run.sh

jscodeshift --transform=codemod.js  --extensions=.tsx,.jsx ./**/*.tsx --parser tsx