dedupe-npm-install

Solution for package duplication problem.

npm i -D dedupe-npm-install

Add to package.json

{
  "scripts": {
    "dedupe-npm-install": "NODE_OPTIONS=\"--max-old-space-size=8192\" dedupe-npm-install",
    "prebuild:prod": "npm run dedupe-npm-install",
  }
}

Create file dedupe-npm-install.json

{
    "target_path": "./node_modules",
    "defaultCollapse": "same",
    "extraCollapse": {
        "lodash": ["*"]
    }
}