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website/node_modules/npm/lib/utils/module-name.js

@@ -0,0 +1,31 @@
+'use strict'
+var path = require('path')
+
+module.exports = moduleName
+module.exports.test = {}
+
+module.exports.test.pathToPackageName = pathToPackageName
+function pathToPackageName (dir) {
+  if (dir == null) return ''
+  if (dir === '') return ''
+  var name = path.relative(path.resolve(dir, '..'), dir)
+  var scoped = path.relative(path.resolve(dir, '../..'), dir)
+  if (scoped[0] === '@') return scoped.replace(/\\/g, '/')
+  return name.trim()
+}
+
+module.exports.test.isNotEmpty = isNotEmpty
+function isNotEmpty (str) {
+  return str != null && str !== ''
+}
+
+var unknown = 0
+function moduleName (tree) {
+  var pkg = tree.package || tree
+  if (isNotEmpty(pkg.name) && typeof pkg.name === 'string') return pkg.name.trim()
+  var pkgName = pathToPackageName(tree.path)
+  if (pkgName !== '') return pkgName
+  if (tree._invalidName != null) return tree._invalidName
+  tree._invalidName = '!invalid#' + (++unknown)
+  return tree._invalidName
+}