move fs methods into their own module

lib/blockchain.js

@@ -1,4 +1,4 @@
-var fs = require('fs-extra');
+var fs = require('./fs.js');
 var colors = require('colors');
 var GethCommands = require('./geth_commands.js');
 var utils = require('./utils.js');

lib/config.js

@@ -1,4 +1,4 @@
-var fs = require('fs-extra');
+var fs = require('./fs.js');
 var Plugins = require('./plugins.js');
 var utils = require('./utils.js');
 

lib/deploy_tracker.js

@@ -1,4 +1,4 @@
-var fs = require('fs-extra');
+var fs = require('./fs.js');
 
 var DeployTracker = function(options) {
   this.logger = options.logger;

lib/fs.js

@@ -0,0 +1,30 @@
+var fs = require('fs-extra');
+
+function mkdirpSync() {
+  return fs.mkdirpSync.apply(fs.mkdirpSync, arguments);
+}
+
+function copySync() {
+  return fs.copySync.apply(fs.copySync, arguments);
+}
+
+function readFileSync() {
+  return fs.readFileSync.apply(fs.readFileSync, arguments);
+}
+
+function readJSONSync() {
+  return fs.readJSONSync.apply(fs.readJSONSync, arguments);
+}
+
+function writeJSONSync() {
+  return fs.writeJSONSync.apply(fs.writeJSONSync, arguments);
+}
+
+module.exports = {
+  mkdirpSync: mkdirpSync,
+  copySync: copySync,
+  readFileSync: readFileSync,
+  readJSONSync: readJSONSync,
+  writeJSONSync: writeJSONSync
+};
+

lib/pipeline.js

@@ -1,5 +1,5 @@
 /*jshint esversion: 6, loopfunc: true */
-var fs = require('fs-extra');
+var fs = require('./fs.js');
 
 var Pipeline = function(options) {
   this.buildDir = options.buildDir;

lib/plugin.js

@@ -1,5 +1,5 @@
 /*jshint esversion: 6, loopfunc: true */
-var fs = require('fs-extra');
+var fs = require('./fs.js');
 var utils = require('./utils.js');
 
 // TODO: pass other params like blockchainConfig, contract files, etc..

lib/template_generator.js

@@ -1,4 +1,4 @@
-var fs = require('fs-extra');
+var fs = require('./fs.js');
 var utils = require('./utils.js');
 
 var TemplateGenerator = function(templateName) {

lib/watch.js

@@ -1,5 +1,5 @@
 /*jshint esversion: 6 */
-var fs = require('fs-extra');
+var fs = require('./fs.js');
 var chokidar = require('chokidar');
 
 // TODO: this should be receiving the config object not re-reading the