deps: update npm to 7.0.0-rc.3

PR-URL: https://github.com/nodejs/node/pull/35474
Reviewed-By: Ruy Adorno <ruyadorno@github.com>
Reviewed-By: Ujjwal Sharma <ryzokuken@disroot.org>
Reviewed-By: Ben Coe <bencoe@gmail.com>
Reviewed-By: Geoffrey Booth <webmaster@geoffreybooth.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Shelley Vohr <codebytere@gmail.com>
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>

deps/npm/node_modules/@npmcli/run-script/lib/set-path.js

@@ -0,0 +1,42 @@
+const {resolve, dirname} = require('path')
+const isWindows = require('./is-windows.js')
+const nodeGypPath = resolve(__dirname, 'node-gyp-bin')
+
+// Windows typically calls its PATH environ 'Path', but this is not
+// guaranteed, nor is it guaranteed to be the only one.  Merge them
+// all together in the order they appear in the object.
+const setPATH = (projectPath, env) => {
+  // not require('path').delimiter, because we fake this for testing
+  const delimiter = isWindows ? ';' : ':'
+  const PATH = Object.keys(env).filter(p => /^path$/i.test(p) && env[p])
+    .map(p => env[p].split(delimiter))
+    .reduce((set, p) => set.concat(p.filter(p => !set.includes(p))), [])
+    .join(delimiter)
+
+  const pathArr = []
+  // unshift the ./node_modules/.bin from every folder
+  // walk up until dirname() does nothing, at the root
+  // XXX should we specify a cwd that we don't go above?
+  let p = projectPath
+  let pp
+  do {
+    pathArr.push(resolve(p, 'node_modules', '.bin'))
+    pp = p
+    p = dirname(p)
+  } while (p !== pp)
+  pathArr.push(nodeGypPath, PATH)
+
+  const pathVal = pathArr.join(delimiter)
+
+  // XXX include the node-gyp-bin path somehow?  Probably better for
+  // npm or arborist or whoever to just provide that by putting it in
+  // the PATH environ, since that's preserved anyway.
+  for (const key of Object.keys(env)) {
+    if (/^path$/i.test(key))
+      env[key] = pathVal
+  }
+
+  return env
+}
+
+module.exports = setPATH