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manual loading and parsing of dotenv in watch mode #558 #559

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manual loading and parsing of dotenv in watch mode #558 #559

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d3eb196
manual loading and parsing of dotenv in watch mode #558
tandibar Oct 14, 2022
31929a5
added unit-test for #558
tandibar Oct 15, 2022
dbd7b70
analyse which env vars should not be overwritten #558
tandibar Nov 11, 2022
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11 changes: 10 additions & 1 deletion lib/watch/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@
const path = require('path')
const cp = require('child_process')
const chalk = require('chalk')
const { readFileSync, existsSync } = require('fs')
const { arrayToRegExp, logWatchVerbose } = require('./utils')
const { GRACEFUL_SHUT } = require('./constants.js')

Expand Down Expand Up @@ -39,7 +40,15 @@ const watch = function (args, ignoreWatch, verboseWatch) {

const run = (event) => {
const childEvent = { childEvent: event }
const env = Object.assign({}, process.env, childEvent, require('dotenv').config().parsed)

// in order to not override existing env vars, we have to load and parse
// dotenv without modifying process.env
let dotenvParsed = {}
const dotenvPath = path.resolve(process.cwd(), '.env')
if (existsSync(dotenvPath)) {
dotenvParsed = require('dotenv').parse(readFileSync(dotenvPath, { encoding: 'utf-8' }))
}
const env = Object.assign({}, process.env, childEvent, dotenvParsed)

const _child = cp.fork(forkPath, args, {
env,
Expand Down