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node_modules/spawn-wrap/lib/mungers/npm.js

@@ -0,0 +1,32 @@
+'use strict';
+
+const path = require("path")
+const {debug} = require("../debug")
+const whichOrUndefined = require("../which-or-undefined")
+
+/**
+ * Intercepts npm spawned processes.
+ *
+ * @param workingDir {string} Absolute system-dependent path to the directory containing the shim files.
+ * @param options {import("../munge").InternalSpawnOptions} Original internal spawn options.
+ * @return {import("../munge").InternalSpawnOptions} Updated internal spawn options.
+ */
+function mungeNpm(workingDir, options) {
+  debug('munge npm')
+  // XXX weird effects of replacing a specific npm with a global one
+  const npmPath = whichOrUndefined('npm')
+
+  if (npmPath === undefined) {
+    return {...options};
+  }
+
+  const newArgs = [...options.args]
+
+  newArgs[0] = npmPath
+  const file = path.join(workingDir, 'node')
+  newArgs.unshift(file)
+
+  return {...options, file, args: newArgs}
+}
+
+module.exports = mungeNpm