# `mix npm.verify`
[🔗](https://github.com/elixir-volt/npm_ex/blob/v0.7.4/lib/mix/tasks/npm.verify.ex#L1)

Check that `node_modules` matches `npm.lock`.

    mix npm.verify

Reports missing and extraneous packages. Useful for CI
to ensure `mix npm.get` was run after lockfile changes.

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*Consult [api-reference.md](api-reference.md) for complete listing*