Get rid of some dependencies

lib/index.js

@@ -1,6 +1,8 @@
 'use strict';
 const util = require('util');
+const fs = require('fs');
 const path = require('path');
+const os = require('os');
 const EventEmitter = require('events');
 const assert = require('assert');
 const _ = require('lodash');
@@ -11,10 +13,7 @@ const mkdirp = require('mkdirp');
 const minimist = require('minimist');
 const runAsync = require('run-async');
 const through = require('through2');
-const userHome = require('user-home');
 const FileEditor = require('mem-fs-editor');
-const pathIsAbsolute = require('path-is-absolute');
-const pathExists = require('path-exists');
 const debug = require('debug')('yeoman:generator');
 const Conflicter = require('./util/conflicter');
 const Storage = require('./util/storage');
@@ -575,7 +574,7 @@ Base.prototype._getStorage = function () {
  */
 
 Base.prototype._getGlobalStorage = function () {
-  const storePath = path.join(userHome, '.yo-rc-global.json');
+  const storePath = path.join(os.homedir(), '.yo-rc-global.json');
   const storeName = util.format('%s:%s', this.rootGeneratorName(), this.rootGeneratorVersion());
   return new Storage(storeName, this.fs, storePath);
 };
@@ -592,7 +591,7 @@ Base.prototype.destinationRoot = function (rootPath) {
   if (_.isString(rootPath)) {
     this._destinationRoot = path.resolve(rootPath);
 
-    if (!pathExists.sync(rootPath)) {
+    if (!fs.existsSync(rootPath)) {
       mkdirp.sync(rootPath);
     }
 
@@ -630,7 +629,7 @@ Base.prototype.sourceRoot = function (rootPath) {
 Base.prototype.templatePath = function () {
   let filepath = path.join.apply(path, arguments);
 
-  if (!pathIsAbsolute(filepath)) {
+  if (!path.isAbsolute(filepath)) {
     filepath = path.join(this.sourceRoot(), filepath);
   }
 
@@ -646,7 +645,7 @@ Base.prototype.templatePath = function () {
 Base.prototype.destinationPath = function () {
   let filepath = path.join.apply(path, arguments);
 
-  if (!pathIsAbsolute(filepath)) {
+  if (!path.isAbsolute(filepath)) {
     filepath = path.join(this.destinationRoot(), filepath);
   }
 

package.json

@@ -49,8 +49,6 @@
     "mem-fs-editor": "^3.0.0",
     "minimist": "^1.2.0",
     "mkdirp": "^0.5.0",
-    "path-exists": "^3.0.0",
-    "path-is-absolute": "^1.0.0",
     "pretty-bytes": "^4.0.2",
     "read-chunk": "^2.0.0",
     "read-pkg-up": "^2.0.0",
@@ -59,7 +57,6 @@
     "shelljs": "^0.7.0",
     "text-table": "^0.2.0",
     "through2": "^2.0.0",
-    "user-home": "^2.0.0",
     "yeoman-environment": "^1.1.0"
   },
   "devDependencies": {
@@ -73,7 +70,6 @@
     "jsdoc": "^3.3.0-beta1",
     "mockery": "^2.0.0",
     "nock": "^9.0.5",
-    "pinkie-promise": "^2.0.0",
     "proxyquire": "^1.0.0",
     "sinon": "^1.9.1",
     "tui-jsdoc-template": "^1.0.4",

test/base.js

@@ -9,10 +9,7 @@ const mkdirp = require('mkdirp');
 const mockery = require('mockery');
 const rimraf = require('rimraf');
 const through = require('through2');
-const pathExists = require('path-exists');
-const Promise = require('pinkie-promise');
 const yeoman = require('yeoman-environment');
-const userHome = require('user-home');
 
 mockery.enable({
   warnOnReplace: false,
@@ -458,15 +455,15 @@ describe('Base', () => {
       };
 
       this.testGen.run(() => {
-        assert(pathExists.sync(filepath));
+        assert(fs.existsSync(filepath));
         done();
       });
     });
 
     it('allow skipping file writes to disk', function (done) {
       const action = {action: 'skip'};
       const filepath = path.join(__dirname, '/fixtures/conflict.js');
-      assert(pathExists.sync(filepath));
+      assert(fs.existsSync(filepath));
 
       this.TestGenerator.prototype.writing = function () {
         this.fs.write(filepath, 'some new content');
@@ -521,7 +518,7 @@ describe('Base', () => {
     it('does not pass config file to conflicter', function (done) {
       this.TestGenerator.prototype.writing = function () {
         fs.writeFileSync(this.destinationPath('.yo-rc.json'), '{"foo": 3}');
-        fs.writeFileSync(path.join(userHome, '.yo-rc-global.json'), '{"foo": 3}');
+        fs.writeFileSync(path.join(os.homedir(), '.yo-rc-global.json'), '{"foo": 3}');
         this.config.set('bar', 1);
         this._globalConfig.set('bar', 1);
       };
@@ -535,7 +532,7 @@ describe('Base', () => {
       };
 
       this.testGen.run(() => {
-        assert(pathExists.sync(this.testGen.destinationPath('foo.txt')));
+        assert(fs.existsSync(this.testGen.destinationPath('foo.txt')));
         done();
       });
     });

test/storage.js

@@ -4,15 +4,14 @@ const fs = require('fs');
 const os = require('os');
 const path = require('path');
 const FileEditor = require('mem-fs-editor');
-const pathExists = require('path-exists');
 const env = require('yeoman-environment');
 const helpers = require('yeoman-test');
 const Storage = require('../lib/util/storage');
 
 const tmpdir = path.join(os.tmpdir(), 'yeoman-storage');
 
 function rm(filepath) {
-  if (pathExists.sync(filepath)) {
+  if (fs.existsSync(filepath)) {
     fs.unlinkSync(path);
   }
 }