Nicolas Graves via Guix-patches via <guix-patches@gnu.org> skriver:

> * gnu/packages/node-xyz.scm (node-yazl): New variable.

[...]

> +    (source
> +     (origin
> +       (method git-fetch)
> +       (uri (git-reference
> +             (url "https://github.com/thejoshwolfe/yazl")
> +             (commit version)))
> +       (file-name (git-file-name name version))
> +       (sha256
> +          (base32
> +           "1lhwqqnvazpi4xw81ldpx0ky0h1j5rcx3br480q2bnzj21cm109n"))))

Indentation seems off here ('./pre-inst-env guix style node-yazl' can
take care of it if you don't use Emacs).

> +    (build-system node-build-system)
> +    (arguments
> +     '(#:phases
> +       (modify-phases %standard-phases
> +         (delete 'check)
> +         (replace 'configure
> +           (lambda* (#:key inputs #:allow-other-keys)
> +             (invoke (string-append (assoc-ref inputs "node") "/bin/npm")
> +                     "--offline" "--ignore-scripts" "install" "--production")
> +             #t)))))

Same comments as previous patch.

> +    (inputs (list node-buffer-crc32))
> +    (home-page "https://github.com/thejoshwolfe/yazl")
> +    (synopsis "Yet another zip library for node")
> +    (description "This package provides a zip library for Node. It follows the following principles:

Keep lines < 78 characters if possible.  Also use two spaces after
punctuation.

'./pre-inst-env guix lint PACKAGE' will warn about this and save review
time.  ;-)

> +Don't block the JavaScript thread. Use and provide async APIs.
> +Keep memory usage under control. Don't attempt to buffer entire files in RAM at once.
> +Prefer to open input files one at a time than all at once. ")

Use @enumerate for "bullet lists" which this seems to be.

Otherwise LGTM.