bitbake: fetch2/npm: Remove special caracters that causes recipe tool to fail

Packages like @(._.)/execute causes problems because they generate names
that are not supported by yocto

(Bitbake rev: b2e1be67d2acca27451bed59874bc1c2a7ec44a6)

Signed-off-by: BELOUARGA Mohamed <m.belouarga@technologyandstrategy.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/fetch2/npm.py

@@ -44,9 +44,12 @@ def npm_package(package):
     """Convert the npm package name to remove unsupported character"""
     # Scoped package names (with the @) use the same naming convention
     # as the 'npm pack' command.
-    if package.startswith("@"):
-        return re.sub("/", "-", package[1:])
-    return package
+    name = re.sub("/", "-", package)
+    name = name.lower()
+    name = re.sub(r"[^\-a-z0-9]", "", name)
+    name = name.strip("-")
+    return name
+
 
 def npm_filename(package, version):
     """Get the filename of a npm package"""