GNU bug report logs - #68941
[PATCH 00/44] Node : a solution for tiny packages.

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Message #154 received at 68941 <at> debbugs.gnu.org (full text, mbox):

From: Nicolas Graves <ngraves <at> ngraves.fr>
To: 68941 <at> debbugs.gnu.org
Cc: ngraves <at> ngraves.fr
Subject: [PATCH v2 01/44] guix: build-system: node: Add trivial-node-package
 helper.
Date: Thu,  8 Feb 2024 01:24:24 +0100

* guix/build-system/node.scm (trivial-node-package): Add function.

Change-Id: I618750ebb3a9f9c4ec4f22256541cfbdfbf4388a
---
 gnu/packages/node-xyz.scm  |  2 +-
 guix/build-system/node.scm | 52 +++++++++++++++++++++++++++++++++++++-
 2 files changed, 52 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/node-xyz.scm b/gnu/packages/node-xyz.scm
index d68f730b77..36fa575049 100644
--- a/gnu/packages/node-xyz.scm
+++ b/gnu/packages/node-xyz.scm
@@ -5,7 +5,7 @@
 ;;; Copyright © 2021 Charles <charles.b.jackson <at> protonmail.com>
 ;;; Copyright © 2021 Philip McGrath <philip <at> philipmcgrath.com>
 ;;; Copyright © 2021 Dhruvin Gandhi <contact <at> dhruvin.dev>
-;;; Copyright © 2022 Nicolas Graves <ngraves <at> ngraves.fr>
+;;; Copyright © 2022, 2023, 2024 Nicolas Graves <ngraves <at> ngraves.fr>
 ;;; Copyright © 2023 Jelle Licht <jlicht <at> fsfe.org>
 ;;;
 ;;; This file is part of GNU Guix.
diff --git a/guix/build-system/node.scm b/guix/build-system/node.scm
index 3f73390809..a16627e68c 100644
--- a/guix/build-system/node.scm
+++ b/guix/build-system/node.scm
@@ -29,9 +29,59 @@ (define-module (guix build-system node)
   #:use-module (guix search-paths)
   #:use-module (guix build-system)
   #:use-module (guix build-system gnu)
+  #:use-module (guix build-system trivial)
+  #:use-module ((guix licenses) #:prefix license:)
   #:export (%node-build-system-modules
             node-build
-            node-build-system))
+            node-build-system
+
+            trivial-node-package))
+
+(define* (trivial-node-package node-name version replacement description
+                               #:key (propagated-inputs '())
+                               (mozilla-doclink #f)  ;maybe-string
+                               (shams #f))
+  "This helper makes it easy to replace a cumbersome npm package by the
+underlying javascript code. This is also useful to cut down the Node
+dependency tree for some cumbersome polyfills that all current web browsers
+already support."
+  (package
+    (name (string-append "node-"
+                         (string-join (string-split node-name #\.) "-")))
+    (version (format #f "~a" version))
+    (source #f)
+    (build-system trivial-build-system)
+    (arguments
+     (list
+      #:builder
+      (with-imported-modules '((guix build utils))
+        #~(begin
+            (use-modules (guix build utils))
+            (let ((dir (string-append #$output "/lib/node_modules/" #$node-name)))
+              (mkdir-p dir)
+              (with-output-to-file (string-append dir "/index.js")
+                (lambda _
+                  (format #t "module.exports = ~a\n" #$replacement)))
+              (when #$shams
+                (copy-file (string-append dir "/index.js")
+                           (string-append dir "/shams.js")))
+              (with-output-to-file (string-append dir "/package.json")
+                (lambda _
+                  (format #t "{\"name\":~s~a}\n" #$node-name
+                          (if #$shams
+                              "\
+,\"exports\":{\".\":\"./index.js\",\"./shams\":\"./shams.js\"}"
+                              "")))))))))
+    (propagated-inputs propagated-inputs)
+    (home-page
+     (if mozilla-doclink
+         (string-append
+          "https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/"
+          mozilla-doclink "#browser_compatibility")
+         ""))
+    (synopsis (string-append "Replacement for npm package " name))
+    (description description)
+    (license license:gpl3+)))
 
 (define %node-build-system-modules
   ;; Build-side modules imported by default.
-- 
2.41.0

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