npm, node-js, typescript: add external find (#48587)

* npm: add external find

* node-js: add external find

* Add external for typescript

* Match full executable string

* Fix style

var/spack/repos/builtin/packages/node-js/package.py

@@ -2,6 +2,7 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
+import re
 import subprocess
 import sys
 
@@ -137,6 +138,14 @@ class NodeJs(Package):
     # and https://github.com/nodejs/node/issues/53633
     patch("fix-broken-gcc12-pr53728.patch", when="@22.2:22.5")
 
+    executables = ["^node$"]
+
+    @classmethod
+    def determine_version(cls, exe):
+        output = Executable(exe)("--version", output=str, error=str)
+        match = re.match(r"v([\d.]+)\s*", output)
+        return match.group(1) if match else None
+
     def setup_build_environment(self, env):
         # Force use of experimental Python 3 support
         env.set("PYTHON", self.spec["python"].command.path)

var/spack/repos/builtin/packages/npm/package.py

@@ -3,6 +3,7 @@
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 import os
+import re
 import shutil
 
 from spack.package import *
@@ -15,6 +16,8 @@ class Npm(Package):
     url = "https://registry.npmjs.org/npm/-/npm-9.3.1.tgz"
     git = "https://github.com/npm/cli.git"
 
+    tags = ["build-tools"]
+
     license("Artistic-2.0")
 
     version("9.3.1", sha256="41caa26a340b0562bc5429d28792049c980fe3e872b42b82cad94e8f70e37f40")
@@ -45,6 +48,14 @@ class Npm(Package):
         when="@6",
     )
 
+    executables = ["^npm$"]
+
+    @classmethod
+    def determine_version(cls, exe):
+        output = Executable(exe)("--version", output=str, error=str).strip()
+        match = re.match(r"([\d.]+)\s*", output)
+        return match.group(1) if match else None
+
     @when("@6")
     def patch(self):
         shutil.rmtree("node_modules/node-gyp")

var/spack/repos/builtin/packages/typescript/package.py

@@ -3,6 +3,8 @@
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
 
+import re
+
 from spack.package import *
 
 
@@ -12,6 +14,8 @@ class Typescript(Package):
     homepage = "https://www.typescriptlang.org"
     url = "https://github.com/microsoft/TypeScript/archive/refs/tags/v5.3.2.tar.gz"
 
+    tags = ["build-tools"]
+
     license("Apache-2.0")
 
     version("5.3.2", sha256="c5a12507006e7d2b8020dec9589191ce070fd88203f2c80aca00d641cee7866f")
@@ -19,6 +23,14 @@ class Typescript(Package):
     depends_on("node-js", type=("build", "link", "run"))
     depends_on("npm", type="build")
 
+    executables = ["^tsc$"]
+
+    @classmethod
+    def determine_version(cls, exe):
+        output = Executable(exe)("--version", output=str, error=str)
+        match = re.match(r"Version\s+([\d.]+)\s*", output)
+        return match.group(1) if match else None
+
     def install(self, spec, prefix):
         npm = which("npm", required=True)
         npm("install", "--global", f"--prefix={prefix}")