X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.maps.server%2Fnode%2Fnode-v4.8.0-win-x64%2Fnode_modules%2Fnpm%2Flib%2Fconfig%2Ffind-prefix.js;fp=org.simantics.maps.server%2Fnode%2Fnode-v4.8.0-win-x64%2Fnode_modules%2Fnpm%2Flib%2Fconfig%2Ffind-prefix.js;h=bb00cd6b10c2fe99ebaec826d4bfa5191c16f268;hb=2529be6d456deeb07c128603ce4971f1dc29b695;hp=0000000000000000000000000000000000000000;hpb=2636fc31c16c23711cf2b06a4ae8537bba9c1d35;p=simantics%2Fdistrict.git

diff --git a/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/lib/config/find-prefix.js b/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/lib/config/find-prefix.js
new file mode 100644
index 00000000..bb00cd6b
--- /dev/null
+++ b/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/lib/config/find-prefix.js
@@ -0,0 +1,56 @@
+// try to find the most reasonable prefix to use
+
+module.exports = findPrefix
+
+var fs = require("fs")
+var path = require("path")
+
+function findPrefix (p, cb_) {
+  function cb (er, p) {
+    process.nextTick(function () {
+      cb_(er, p)
+    })
+  }
+
+  p = path.resolve(p)
+  // if there's no node_modules folder, then
+  // walk up until we hopefully find one.
+  // if none anywhere, then use cwd.
+  var walkedUp = false
+  while (path.basename(p) === "node_modules") {
+    p = path.dirname(p)
+    walkedUp = true
+  }
+  if (walkedUp) return cb(null, p)
+
+  findPrefix_(p, p, cb)
+}
+
+function findPrefix_ (p, original, cb) {
+  if (p === "/"
+      || (process.platform === "win32" && p.match(/^[a-zA-Z]:(\\|\/)?$/))) {
+    return cb(null, original)
+  }
+  fs.readdir(p, function (er, files) {
+    // an error right away is a bad sign.
+    // unless the prefix was simply a non
+    // existent directory.
+    if (er && p === original) {
+      if (er.code === "ENOENT") return cb(null, original);
+      return cb(er)
+    }
+
+    // walked up too high or something.
+    if (er) return cb(null, original)
+
+    if (files.indexOf("node_modules") !== -1
+        || files.indexOf("package.json") !== -1) {
+      return cb(null, p)
+    }
+
+    var d = path.dirname(p)
+    if (d === p) return cb(null, original)
+
+    return findPrefix_(d, original, cb)
+  })
+}