createFiles.js

function createFiles(path, name) {
  const files = {
    index: "index.jsx",
    test: `${name}.test.js`,
    sass: `${name}.sass`
  };

  if (name !== "components") {
    const writeFile = writeToPath(path);
    const toFileMissingBool = file => !fileExists(path)(file);
    const checkAllMissing = (acc, cur) => acc && cur;

    const noneExist = Object.values(files)
      .map(toFileMissingBool)
      .reduce(checkAllMissing);

    if (noneExist) {
      console.log(`Detected new component: ${name}, ${path}`);
      Object.entries(files).forEach(([type, fileName]) => {
        writeFile(fileName, templates[type](name));
      });
    }
  }
}