{
  "scripts": {
    "dev": "parcel src/*.html --no-autoinstall",
    "build": "parcel build ./src/*.html --no-minify --no-autoinstall "
  },
  "dependencies": {
    "countdown": "^2.6.0",
    "highcharts": "^8.2.2",
    "leaflet": "^1.7.1",
    "@raruto/leaflet-elevation": "^1.4.0"
  },
  "devDependencies": {
    "parcel-bundler": "^1.12.4"
  },
  "browserslist": [
    "last 2 Chrome versions"
  ]
}

{
  "scripts": {
    "dev": "parcel serve src/*.html --no-autoinstall",
    "build": "parcel build ./src/*.html --no-minify --no-autoinstall "
  },
  "dependencies": {
    "countdown": "^2.6.0",
    "highcharts": "^8.2.2",
    "leaflet": "^1.7.1",
    "@raruto/leaflet-elevation": "^1.4.0"
  },
  "devDependencies": {
    "parcel-bundler": "^1.12.4"
  },
  "browserslist": [
    "last 2 Chrome versions"
  ]
}

Add explicit serve command in npm dev script
Add explicit serve command in npm dev script
