Top Answers

1. npm WARN old lockfile The package-lock.json file was created with an old version of npm
   141 votes
2. Unable to resolve dependency tree error when installing npm packages
   67 votes
3. Mixed default and named exports in Node with ES5 syntax
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4. Unable to resolve dependency tree with eslint-config-airbnb
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5. Cause of npm WARN EBADENGINE?
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