lamassu-server/tools/set-env-var.js
2023-02-06 15:05:34 +00:00

26 lines
1 KiB
JavaScript

const fs = require('fs')
const os = require('os')
const path = require('path')
const _ = require('lodash/fp')
const setEnvVariable = (key, value, opts) => {
const ENV_PATH = !_.isNil(opts?.ENV_PATH) ? opts.ENV_PATH : path.resolve(__dirname, '../.env')
const ENV_VARIABLES = fs.readFileSync(ENV_PATH, 'utf-8').split(os.EOL)
const target = ENV_VARIABLES.indexOf(ENV_VARIABLES.find(line => line.match(new RegExp(`^${key}=`))))
if (target < 0) {
// The variable doesn't exist, add it
ENV_VARIABLES.push(`${key}=${value}`)
} else {
// .env already has that variable set, or at least has the definition of its key
//
// This is currently circumventing a possible bug on dotenv
// where the variables on this script were showing up as undefined on the first run despite the key existing,
// while on a second run they'd appear as empty string, as intended
ENV_VARIABLES.splice(target, 1, `${key}=${value}`)
}
fs.writeFileSync(ENV_PATH, ENV_VARIABLES.join(os.EOL))
}
module.exports = setEnvVariable