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'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
}
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)) return pkg.name
var pkgName = pathToPackageName(tree.path)
if (pkgName !== '') return pkgName
if (tree._invalidName != null) return tree._invalidName
tree._invalidName = '!invalid#' + (++unknown)
return tree._invalidName
}
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