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08/10: gnu: Add js-es5-shim.

From: Ricardo Wurmus
Subject: 08/10: gnu: Add js-es5-shim.
Date: Fri, 4 Aug 2017 05:24:36 -0400 (EDT)

rekado pushed a commit to branch master
in repository guix.

commit 0b0aa76fa84b421e6c7c127984a24211439f6146
Author: Ricardo Wurmus <address@hidden>
Date:   Thu Aug 3 15:55:39 2017 +0200

    gnu: Add js-es5-shim.
    * gnu/packages/javascript.scm (js-es5-shim): New variable.
 gnu/packages/javascript.scm | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/gnu/packages/javascript.scm b/gnu/packages/javascript.scm
index 19021ac..12f12bf 100644
--- a/gnu/packages/javascript.scm
+++ b/gnu/packages/javascript.scm
@@ -297,3 +297,29 @@ HTML tables with minimal effort.")
 box.  It's jQuery based and it has autocomplete and native-feeling keyboard
 navigation; it is useful for tagging, contact lists, etc.")
     (license license:asl2.0)))
+(define-public js-es5-shim
+  (package
+    (name "js-es5-shim")
+    (version "4.5.9")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "";
+                                  "archive/v" version ".tar.gz"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "0yfndyijz0ykddzprpvfjb2453gzpn528klmwycwbqc1bqd3m1hl"))))
+    (build-system minify-build-system)
+    (arguments `(#:javascript-files
+                 '("es5-sham.js"
+                   "es5-shim.js")))
+    (home-page "";)
+    (synopsis "ECMAScript 5 compatibility shims for legacy JavaScript engines")
+    (description "@code{es5-shim.js} patches a JavaScript context to contain
+all ECMAScript 5 methods that can be faithfully emulated with a legacy
+JavaScript engine.  @code{es5-sham.js} patches other ES5 methods as closely as
+possible.  Many of these shams are intended only to allow code to be written
+to ES5 without causing run-time errors in older engines.  In many cases, this
+means that these shams cause many ES5 methods to silently fail.")
+    (license license:expat)))

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