UEA-PRODEM

node_modules/resolve/lib/sync.js

@@ -1,6 +1,9 @@
 var isCore = require('is-core-module');
 var fs = require('fs');
 var path = require('path');
+var $Error = require('es-errors');
+var $TypeError = require('es-errors/type');
+
 var getHomedir = require('./homedir');
 var caller = require('./caller');
 var nodeModulesPaths = require('./node-modules-paths');
@@ -13,12 +16,13 @@ var windowsDriveRegex = /^\w:[/\\]*$/;
 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) {
     try {
@@ -51,32 +55,32 @@ var defaultRealpathSync = function realpathSync(x) {
     return x;
 };
 
-var maybeRealpathSync = function maybeRealpathSync(realpathSync, x, opts) {
+function maybeRealpathSync(realpathSync, x, opts) {
     if (opts && opts.preserveSymlinks === false) {
         return realpathSync(x);
     }
     return x;
-};
+}
 
-var defaultReadPackageSync = function defaultReadPackageSync(readFileSync, pkgfile) {
+function defaultReadPackageSync(readFileSync, pkgfile) {
     var body = readFileSync(pkgfile);
     try {
         var pkg = JSON.parse(body);
         return pkg;
     } catch (jsonErr) {}
-};
+}
 
-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 resolveSync(x, options) {
     if (typeof x !== 'string') {
-        throw new TypeError('Path must be a string.');
+        throw new $TypeError('Path must be a string.');
     }
     var opts = normalizeOptions(x, options);
 
@@ -86,7 +90,7 @@ module.exports = function resolveSync(x, options) {
     var realpathSync = opts.realpathSync || defaultRealpathSync;
     var readPackageSync = opts.readPackageSync || defaultReadPackageSync;
     if (opts.readFileSync && opts.readPackageSync) {
-        throw new TypeError('`readFileSync` and `readPackageSync` are mutually exclusive.');
+        throw new $TypeError('`readFileSync` and `readPackageSync` are mutually exclusive.');
     }
     var packageIterator = opts.packageIterator;
 
@@ -112,7 +116,7 @@ module.exports = function resolveSync(x, options) {
         if (n) return maybeRealpathSync(realpathSync, n, opts);
     }
 
-    var err = new Error("Cannot find module '" + x + "' from '" + parent + "'");
+    var err = new $Error("Cannot find module '" + x + "' from '" + parent + "'");
     err.code = 'MODULE_NOT_FOUND';
     throw err;
 
@@ -176,7 +180,7 @@ module.exports = function resolveSync(x, options) {
 
             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';
                     throw mainError;
                 }