{
  "name": "client-shared-js",
  "version": "1.0.0",
  "description": "Shared js library",
  "main": "./ship/client-shared-js.js",
  "types": "./client-shared-js.d.ts",
  "author": "",
  "license": "MIT",
  "private": true,
  "scripts": {
    "build-debug": "babel ./debug/client-shared-js.es6.js --out-file ./debug/client-shared-js.js",
    "build-ship": "babel ./ship/client-shared-js.es6.js --out-file ./ship/client-shared-js.js --presets=minify"
  },
  "devDependencies": {
    "@babel/cli": "7.4.4",
    "@babel/core": "7.4.3",
    "@babel/preset-env": "7.4.3",
    "babel-preset-minify": "0.5.0"
  }
}

{
  "name": "client-shared-js",
  "version": "1.0.0",
  "description": "Shared js library",
  "main": "./ship/client-shared-js.js",
  "types": "./client-shared-js.d.ts",
  "author": "",
  "license": "MIT",
  "private": true,
  "scripts": {
    "build-debug": "babel ./debug/client-shared-js.es6.js --out-file ./debug/client-shared-js.js",
    "build-ship": "babel ./ship/client-shared-js.es6.js --out-file ./ship/client-shared-js.js --presets=minify"
  },
  "devDependencies": {
    "@babel/cli": "7.4.4",
    "@babel/core": "7.4.3",
    "@babel/preset-env": "7.4.4",
    "babel-preset-minify": "0.5.0"
  }
}

Update dependency @babel/preset-env to v7.4.4
Update dependency @babel/preset-env to v7.4.4
