How can I verify my `package.json` for common errors that lead to 'npm publish error 400'?

By: USER8381
27 Agustus 2025 Support 5 minutes
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Grade: Education Subject: Support
How can I verify my `package.json` for common errors that lead to 'npm publish error 400'?
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Before publishing, thoroughly review your `package.json` file. Ensure the `name` field is unique and valid, the `version` field follows semantic versioning, and essential fields like `description`, `main` (if applicable), `license`, and `repository` are present and correctly formatted. Use `npm validate` if available, or a linter.
Answered on 27 Agustus 2025

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