1 files changed, 0 insertions, 36 deletions
diff --git a/deps/node/deps/npm/lib/install/is-only-dev.js b/deps/node/deps/npm/lib/install/is-only-dev.js
deleted file mode 100644
index 2877c61a..00000000
--- a/deps/node/deps/npm/lib/install/is-only-dev.js
+++ /dev/null
@@ -1,36 +0,0 @@
-'use strict'
-module.exports = isOnlyDev
-
-const moduleName = require('../utils/module-name.js')
-const isDevDep = require('./is-dev-dep.js')
-const isProdDep = require('./is-prod-dep.js')
-
-// Returns true if the module `node` is only required direcctly as a dev
-// dependency of the top level or transitively _from_ top level dev
-// dependencies.
-// Dual mode modules (that are both dev AND prod) should return false.
-function isOnlyDev (node, seen) {
-  if (!seen) seen = new Set()
-  return node.requiredBy.length && node.requiredBy.every(andIsOnlyDev(moduleName(node), seen))
-}
-
-// There is a known limitation with this implementation: If a dependency is
-// ONLY required by cycles that are detached from the top level then it will
-// ultimately return true.
-//
-// This is ok though: We don't allow shrinkwraps with extraneous deps and
-// these situation is caught by the extraneous checker before we get here.
-function andIsOnlyDev (name, seen) {
-  return function (req) {
-    const isDev = isDevDep(req, name)
-    const isProd = isProdDep(req, name)
-    if (req.isTop) {
-      return isDev && !isProd
-    } else {
-      if (seen.has(req)) return true
-      seen = new Set(seen)
-      seen.add(req)
-      return isOnlyDev(req, seen)
-    }
-  }
-}