onepoint-new-app/file-creators/dotEnv.js

Easily generate a new fully-equiped React project, optionally with Express & MongoDB.

// Filters out values that are null or undefined.
function objToDotEnvVars(comments, obj) {
  return Object.keys(obj).reduce((acc, key) => {
    const value = obj[key];
    return value == null ? acc : `${acc}${key}=${value}\n`;
  }, comments);
}

function dotEnv(options) {
  const { appName, port, appId } = options;
  const warning = [
    "##########################################################",
    "#           THIS FILE WILL BE GIT IGNORED.               #",
    "#     DO NOT COMMIT THIS FILE INTO VERSION CONTROL!      #",
    "# PLEASE KEEP ANY SENSITIVE DATA OUT OF VERSION CONTROL. #",
    "##########################################################",
    "\n",
    "### Production Notes ###",
    "",
    "# When deploying your app to production, you should copy this file",
    "# over to your remote machine. Make sure all values are correct & up to date.",
    "\n\n\n"
  ].join("\n");

  const contents = {
    APP_ID: appId,
    APP_NAME: appName,
    PORT: port
  };
  return objToDotEnvVars(warning, contents);
}

module.exports = dotEnv;