env-file-rw

Edit and read from .env files

Features

• Read key from .env file
• Write key/value to .env file
• Preserve comments
• Typescript
• 0 dependencies

Sync example

const EnvFileWriter = require("env-file-rw").default;
const envFileWriter = new EnvFileWriter("test.env");

envFileWriter.get("HELLO","NOT WORLD");// NOT WORLD BY DEFAULT

envFileWriter.set("HELLO","WORLD");

// note : unsaved changes are not readable with .get()

// persists the changes
envFileWriter.saveSync();

Async example

const EnvFileWriter = require("env-file-rw").default;
const envFileWriter = new EnvFileWriter("test.env",false); // false prevents direct sync parsing

// open the file and parse it
await envFileWriter.parse();

envFileWriter.get("HELLO","NOT WORLD");// NOT WORLD BY DEFAULT

envFileWriter.set("HELLO","WORLD");

// note : unsaved changes are not readable with .get()

// persists the changes
await envFileWriter.save();

Typescript example

import EnvFileWriter from "env-file-rw";
const envFileWriter = new EnvFileWriter< { HELLO : any} >("test.env",false); // you can specify the structure of the env file for the get()

// open the file and parse it
await envFileWriter.parse();

envFileWriter.get("HELLO","NOT WORLD");// NOT WORLD BY DEFAULT

envFileWriter.set("HELLO","WORLD");

// note : unsaved changes are not readable with .get()

// persists the changes
await envFileWriter.save();