node script to rewrite capacitor.config.json for livereload

generateCapacitorConfig.js

const ip = require('ip')
const fs = require('fs')
const path = require('path')

const configPath = path.resolve(__dirname, '../capacitor.config.json')

let rawdata = fs.readFileSync(configPath)
let capacitorConfig = JSON.parse(rawdata)

const arg = process.argv[2]
if(arg === 'dev'){
  capacitorConfig.server = {
    url: "http://" + ip.address() + ":3001",
    cleartext: true
  }
}else{
  delete capacitorConfig.server
}

fs.writeFileSync(configPath, JSON.stringify(capacitorConfig, null, 2))

package.json

  ...
  "scripts": {
     ...
    "start": "HOST=0.0.0.0 PORT=3001 react-app-rewired start",
    "live-ios": "yarn config-cap-dev && npx cap sync ios && npx cap open ios",
    "config-cap-dev": "node generateCapacitorConfig.js dev",
    "config-cap-prod": "node generateCapacitorConfig.js",
    "build": "react-app-rewired build",
    "build-all": "yarn config-cap-prod && yarn build && npx cap sync ",
    ...
  }
  ...