A small app to build .env files programmatically

create-env.js

const dotenv = require("dotenv");
const fs = require("fs");
const path = require("path");
const { fetchGatsbyNodeDynamicConfigData } = require("./src/helpers/nodeHelpers");

dotenv.config({
    path: `.env.${process.env.NODE_ENV}`,
});


fetchGatsbyNodeDynamicConfigData({
    baseId: process.env.AIRTABLE_BASE_ID,
    fields: "Value",
    labelColumnName: "Label",
    labelValue: "Web URL",
    supposedStartingValue: "http",
    expectedValueName: "Site URL",
}).then(siteUrl => {
    // Append the value of siteUrl to .env file
    const envFilePath = path.join(process.cwd(), `.env.${process.env.NODE_ENV}`);
    const envFileContent = fs.readFileSync(envFilePath, "utf8");
    const newEnvFileContent = envFileContent.replace(/^SITE_URL.*$/m, `SITE_URL=${siteUrl}`);

    fs.writeFileSync(envFilePath, newEnvFileContent, "utf8");

    console.log(`Site URL: ${siteUrl}`);
    console.log(`dotenv file successfully updated!`);
    // console.log(envFilePath);
    // console.log(newEnvFileContent);
}).catch(err => {
    console.error(err);
    // Exit process with status 1
    process.exit(1);
});