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Unsupported URL Type "link:" while using NPM

Following some guidance on the net, I edited my package.json to include a link URL:

...
"dependencies": {
  ...
  "react": "link:../some-other-module/node_modules/react",
}

But when installing, I get the following error:

$ npm install
npm ERR! code EUNSUPPORTEDPROTOCOL
npm ERR! Unsupported URL Type "link:": link:../some-other-module/node_modules/react
Solution

  • This is because link has been replaced with file in recent versions of NPM. Simply update your package.json:

    ...
"dependencies": {
  ...
  "react": "file:../some-other-module/node_modules/react",
}