UEA-PRODEM

node_modules/resolve/lib/async.js

@@ -5,6 +5,8 @@ var caller = require('./caller');
 var nodeModulesPaths = require('./node-modules-paths');
 var normalizeOptions = require('./normalize-options');
 var isCore = require('is-core-module');
+var $Error = require('es-errors');
+var $TypeError = require('es-errors/type');
 
 var realpathFS = process.platform !== 'win32' && fs.realpath && typeof fs.realpath.native === 'function' ? fs.realpath.native : fs.realpath;
 
@@ -13,12 +15,13 @@ var windowsDriveRegex = /^\w:[/\\]*$/;
 var nodeModulesRegex = /[/\\]node_modules[/\\]*$/;
 
 var homedir = getHomedir();
-var defaultPaths = function () {
+function defaultPaths() {
+    if (!homedir) return [];
     return [
         path.join(homedir, '.node_modules'),
         path.join(homedir, '.node_libraries')
     ];
-};
+}
 
 var defaultIsFile = function isFile(file, cb) {
     fs.stat(file, function (err, stat) {
@@ -47,15 +50,15 @@ var defaultRealpath = function realpath(x, cb) {
     });
 };
 
-var maybeRealpath = function maybeRealpath(realpath, x, opts, cb) {
+function maybeRealpath(realpath, x, opts, cb) {
     if (opts && opts.preserveSymlinks === false) {
         realpath(x, cb);
     } else {
         cb(null, x);
     }
-};
+}
 
-var defaultReadPackage = function defaultReadPackage(readFile, pkgfile, cb) {
+function defaultReadPackage(readFile, pkgfile, cb) {
     readFile(pkgfile, function (readFileErr, body) {
         if (readFileErr) cb(readFileErr);
         else {
@@ -67,15 +70,15 @@ var defaultReadPackage = function defaultReadPackage(readFile, pkgfile, cb) {
             }
         }
     });
-};
+}
 
-var getPackageCandidates = function getPackageCandidates(x, start, opts) {
+function getPackageCandidates(x, start, opts) {
     var dirs = nodeModulesPaths(start, opts, x);
     for (var i = 0; i < dirs.length; i++) {
         dirs[i] = path.join(dirs[i], x);
     }
     return dirs;
-};
+}
 
 module.exports = function resolve(x, options, callback) {
     var cb = callback;
@@ -85,7 +88,7 @@ module.exports = function resolve(x, options, callback) {
         opts = {};
     }
     if (typeof x !== 'string') {
-        var err = new TypeError('Path must be a string.');
+        var err = new $TypeError('Path must be a string.');
         return process.nextTick(function () {
             cb(err);
         });
@@ -99,7 +102,7 @@ module.exports = function resolve(x, options, callback) {
     var realpath = opts.realpath || defaultRealpath;
     var readPackage = opts.readPackage || defaultReadPackage;
     if (opts.readFile && opts.readPackage) {
-        var conflictErr = new TypeError('`readFile` and `readPackage` are mutually exclusive.');
+        var conflictErr = new $TypeError('`readFile` and `readPackage` are mutually exclusive.');
         return process.nextTick(function () {
             cb(conflictErr);
         });
@@ -147,7 +150,7 @@ module.exports = function resolve(x, options, callback) {
                     }
                 });
             } else {
-                var moduleError = new Error("Cannot find module '" + x + "' from '" + parent + "'");
+                var moduleError = new $Error("Cannot find module '" + x + "' from '" + parent + "'");
                 moduleError.code = 'MODULE_NOT_FOUND';
                 cb(moduleError);
             }
@@ -168,7 +171,7 @@ module.exports = function resolve(x, options, callback) {
                     }
                 });
             } else {
-                var moduleError = new Error("Cannot find module '" + x + "' from '" + parent + "'");
+                var moduleError = new $Error("Cannot find module '" + x + "' from '" + parent + "'");
                 moduleError.code = 'MODULE_NOT_FOUND';
                 cb(moduleError);
             }
@@ -202,7 +205,7 @@ module.exports = function resolve(x, options, callback) {
                     var rel = rfile.slice(0, rfile.length - exts[0].length);
                     var r = opts.pathFilter(pkg, x, rel);
                     if (r) return load(
-                        [''].concat(extensions.slice()),
+                        [''].concat(extensions),
                         path.resolve(dir, r),
                         pkg
                     );
@@ -232,7 +235,7 @@ module.exports = function resolve(x, options, callback) {
                 if (!ex) return loadpkg(path.dirname(dir), cb);
 
                 readPackage(readFile, pkgfile, function (err, pkgParam) {
-                    if (err) cb(err);
+                    if (err) { return cb(err); }
 
                     var pkg = pkgParam;
 
@@ -271,7 +274,7 @@ module.exports = function resolve(x, options, callback) {
 
                     if (pkg && pkg.main) {
                         if (typeof pkg.main !== 'string') {
-                            var mainError = new TypeError('package “' + pkg.name + '” `main` must be a string');
+                            var mainError = new $TypeError('package “' + pkg.name + '” `main` must be a string');
                             mainError.code = 'INVALID_PACKAGE_MAIN';
                             return cb(mainError);
                         }