Adding integrated tile server

[simantics/district.git] / org.simantics.maps.server / node / node-v4.8.0-win-x64 / node_modules / npm / node_modules / npm-install-checks / index.js

diff --git a/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/npm-install-checks/index.js b/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/npm-install-checks/index.js
new file mode 100644 (file)
index 0000000..10f214f
--- /dev/null
+++ b/org.simantics.maps.server/node/node-v4.8.0-win-x64/node_modules/npm/node_modules/npm-install-checks/index.js
@@ -0,0 +1,146 @@
+var fs = require("fs")
+var path = require("path")
+var log = require("npmlog")
+var semver = require("semver")
+
+exports.checkEngine = checkEngine
+function checkEngine (target, npmVer, nodeVer, force, strict, cb) {
+  var nodev = force ? null : nodeVer
+    , strict = strict || target.engineStrict
+    , eng = target.engines
+  if (!eng) return cb()
+  if (nodev && eng.node && !semver.satisfies(nodev, eng.node)
+      || eng.npm && !semver.satisfies(npmVer, eng.npm)) {
+
+    if (strict) {
+      var er = new Error("Unsupported")
+      er.code = "ENOTSUP"
+      er.required = eng
+      er.pkgid = target._id
+      return cb(er)
+    } else {
+      log.warn( "engine", "%s: wanted: %j (current: %j)"
+              , target._id, eng, {node: nodev, npm: npmVer} )
+    }
+  }
+  return cb()
+}
+
+exports.checkPlatform = checkPlatform
+function checkPlatform (target, force, cb) {
+  var platform = process.platform
+    , arch = process.arch
+    , osOk = true
+    , cpuOk = true
+
+  if (force) {
+    return cb()
+  }
+
+  if (target.os) {
+    osOk = checkList(platform, target.os)
+  }
+  if (target.cpu) {
+    cpuOk = checkList(arch, target.cpu)
+  }
+  if (!osOk || !cpuOk) {
+    var er = new Error("Unsupported")
+    er.code = "EBADPLATFORM"
+    er.os = target.os || ['any']
+    er.cpu = target.cpu || ['any']
+    er.pkgid = target._id
+    return cb(er)
+  }
+  return cb()
+}
+
+function checkList (value, list) {
+  var tmp
+    , match = false
+    , blc = 0
+  if (typeof list === "string") {
+    list = [list]
+  }
+  if (list.length === 1 && list[0] === "any") {
+    return true
+  }
+  for (var i = 0; i < list.length; ++i) {
+    tmp = list[i]
+    if (tmp[0] === '!') {
+      tmp = tmp.slice(1)
+      if (tmp === value) {
+        return false
+      }
+      ++blc
+    } else {
+      match = match || tmp === value
+    }
+  }
+  return match || blc === list.length
+}
+
+exports.checkCycle = checkCycle
+function checkCycle (target, ancestors, cb) {
+  // there are some very rare and pathological edge-cases where
+  // a cycle can cause npm to try to install a never-ending tree
+  // of stuff.
+  // Simplest:
+  //
+  // A -> B -> A' -> B' -> A -> B -> A' -> B' -> A -> ...
+  //
+  // Solution: Simply flat-out refuse to install any name@version
+  // that is already in the prototype tree of the ancestors object.
+  // A more correct, but more complex, solution would be to symlink
+  // the deeper thing into the new location.
+  // Will do that if anyone whines about this irl.
+  //
+  // Note: `npm install foo` inside of the `foo` package will abort
+  // earlier if `--force` is not set.  However, if it IS set, then
+  // we need to still fail here, but just skip the first level. Of
+  // course, it'll still fail eventually if it's a true cycle, and
+  // leave things in an undefined state, but that's what is to be
+  // expected when `--force` is used.  That is why getPrototypeOf
+  // is used *twice* here: to skip the first level of repetition.
+
+  var p = Object.getPrototypeOf(Object.getPrototypeOf(ancestors))
+    , name = target.name
+    , version = target.version
+  while (p && p !== Object.prototype && p[name] !== version) {
+    p = Object.getPrototypeOf(p)
+  }
+  if (p[name] !== version) return cb()
+
+  var er = new Error("Unresolvable cycle detected")
+  var tree = [target._id, JSON.parse(JSON.stringify(ancestors))]
+    , t = Object.getPrototypeOf(ancestors)
+  while (t && t !== Object.prototype) {
+    if (t === p) t.THIS_IS_P = true
+    tree.push(JSON.parse(JSON.stringify(t)))
+    t = Object.getPrototypeOf(t)
+  }
+  log.verbose("unresolvable dependency tree", tree)
+  er.pkgid = target._id
+  er.code = "ECYCLE"
+  return cb(er)
+}
+
+exports.checkGit = checkGit
+function checkGit (folder, cb) {
+  // if it's a git repo then don't touch it!
+  fs.lstat(folder, function (er, s) {
+    if (er || !s.isDirectory()) return cb()
+    else checkGit_(folder, cb)
+  })
+}
+
+function checkGit_ (folder, cb) {
+  fs.stat(path.resolve(folder, ".git"), function (er, s) {
+    if (!er && s.isDirectory()) {
+      var e = new Error("Appears to be a git repo or submodule.")
+      e.path = folder
+      e.code = "EISGIT"
+      return cb(e)
+    }
+    cb()
+  })
+}