Removed var declarations. Added new project thunksparallel2

Author: linusjf

.jshintrc

@@ -35,7 +35,7 @@
     "maxstatements": false, // {int} Max number statements per function
     "maxcomplexity": 11, // {int} Max cyclomatic complexity per function,false to turn off
     "maxlen": false, // {int} Max number of characters per line
-    "varstmt": false, // true: Disallow any var statements. Only `let` and `const` are allowed.
+    "varstmt": true, // true: Disallow any var statements. Only `let` and `const` are allowed.
 
     // Relaxing
     "asi": false, // true: Tolerate Automatic Semicolon Insertion (no semicolons)

HelloWorld/HelloWorld.js

@@ -8,9 +8,9 @@ function serve (req, res) {
     res.end('Hello World\n');
 }
 
-var http = require('http');
+const http = require('http');
 
-var server = http.createServer(serve);
+const server = http.createServer(serve);
 
 server.listen(1337, '127.0.0.1');
 

asmodule/find.js

@@ -2,9 +2,9 @@
 /*jshint node: true */
 
 "use strict";
-var util = require("util");
-var fs = require("fs");
-var EventEmitter = require("events").EventEmitter;
+const util = require("util");
+const fs = require("fs");
+const EventEmitter = require("events").EventEmitter;
 
 function FindPattern(regex) {
   EventEmitter.call(this);
@@ -26,15 +26,15 @@ FindPattern.prototype.setFiles = function(files) {
 
 FindPattern.prototype.find =
     function() {
-  var self = this;
-  self.files.forEach(function(file) {
+  
+  this.files.forEach(function(file) {
     fs.readFile(file, 'utf8', function(err, content) {
       if (err)
-        return self.emit('error', err);
-      self.emit('fileread', file);
-      var match = null;
-      if (!!(match = content.match(self.regex)))
-        match.forEach(function(elem) { self.emit('found', file, elem); });
+        return this.emit('error', err);
+      this.emit('fileread', file);
+      let match = null;
+      if (!!(match = content.match(this.regex)))
+        match.forEach(function(elem) { this.emit('found', file, elem); });
     });
   });
   return this;

asmodule/proto.js

@@ -2,8 +2,8 @@
 /*jshint node: true */
 /*jshint esversion: 6 */
 "use strict";
-var argc = process.argv.length;
-var expression;
+const argc = process.argv.length;
+let expression;
 
 function exitMessage() {
   console.error(
@@ -29,14 +29,14 @@ function parseArgs(noOfArgs) {
 if (argc > 2) {
 parseArgs(argc);
 
-var fs = require("fs");
-var finder = require('./find.js');
+const fs = require("fs");
+const finder = require('./find.js');
 
 fs.readdir(".", function(err, files) {
   if (err)
     console.log("Error reading directory: " + err.message);
   else {
-    var findPatternObject = new finder(expression);
+    let findPatternObject = new finder(expression);
     findPatternObject.setFiles(files);
     findPatternObject.addFile('nonexistentfile.txt');
     findPatternObject.find()

asyncflow/asyncflow.js

@@ -4,25 +4,25 @@
 'use strict';
 
 function asyncFlow(generatorFunction) {
-  var generator;  
+  let generator;  
   function callback(err) {
         if (err) {
             return generator.throw(err);
         }
-        var results = Array.prototype.slice.call(arguments, 1);
+        const results = Array.prototype.slice.call(arguments, 1);
         generator.next(results.length > 1 ? results : results[0]);
     }
     generator = generatorFunction(callback);
     generator.next();
 }
 
-var fs = require('fs');
-var path = require('path');
+const fs = require('fs'),
+      path = require('path');
 
 
 asyncFlow(function*(callback) {
-    var fileName = path.basename(__filename);
-    var myself = yield fs.readFile(fileName, 'utf8', callback);
+    const fileName = path.basename(__filename);
+    const myself = yield fs.readFile(fileName, 'utf8', callback);
   yield fs.writeFile('clone_of_' + fileName, myself, callback);
     console.log('Clone created');
 });

asyncpromise/asyncpromise.js

@@ -4,11 +4,11 @@
 'use strict';
 
 function asyncFlowWithPromises(generatorFunction) {
-    var generator, promise, next;
+    let generator, promise, next;
     function callback(result,err) {
         if (err)
         return generator.throw(err);
-        var results = Array.prototype.slice.call(arguments, 1),
+        const results = Array.prototype.slice.call(arguments, 1),
             next = generator.next(results.length > 1 ? results : results[0]);
   if (!next.done && (promise = next.value) && promise )
           promise.then(callback);
@@ -21,7 +21,7 @@ function asyncFlowWithPromises(generatorFunction) {
 
 function promisify(callbackBasedApi) {
         return function promisified() {
-            var args = Array.prototype.slice.call(arguments);
+            const args = Array.prototype.slice.call(arguments);
           return new Promise(function(resolve, reject) { 
     args.push(function(err, result) {
                     if (err)
@@ -36,12 +36,12 @@ function promisify(callbackBasedApi) {
         };
 }
 
-var fs = require('fs');
-var readFile = promisify(fs.readFile);
-var writeFile = promisify(fs.writeFile);
+const fs = require('fs');
+const readFile = promisify(fs.readFile);
+const writeFile = promisify(fs.writeFile);
 
 asyncFlowWithPromises(function*() {
-    var myself = yield readFile(__filename, 'utf8');
+    const myself = yield readFile(__filename, 'utf8');
     yield writeFile("clone_of_asyncpromise.js", myself);
     console.log("Clone created");
 });

asyncthunk/asyncthunk.js

@@ -4,11 +4,11 @@
 'use strict';
 
 function asyncFlowWithThunks(generatorFunction) {
-    var generator, thunk;
+    let generator, thunk;
     function callback(err) {
         if (err)
-        return generator.throw(err);
-        var results = Array.prototype.slice.call(arguments, 1),
+          return generator.throw(err);
+        const results = Array.prototype.slice.call(arguments, 1),
             thunk = generator.next(results.length > 1 ? results : results[0]).value;
         if (thunk)
           thunk(callback);
@@ -19,7 +19,7 @@ function asyncFlowWithThunks(generatorFunction) {
       thunk(callback);
 }
 
-var fs = require('fs');
+const fs = require('fs');
 
 function readFileThunk(filename, options) {
     return function(callback) {
@@ -35,7 +35,7 @@ function writeFileThunk(filename, body) {
 
 
 asyncFlowWithThunks(function*() {
-    var myself = yield readFileThunk(__filename, 'utf8');
+    const myself = yield readFileThunk(__filename, 'utf8');
     yield writeFileThunk("clone_of_asyncthunk.js", myself);
     console.log("Clone created");
 });

emitter/emitter.js

@@ -3,10 +3,10 @@
 /*jshint esversion: 6 */
 "use strict";
 
-var argc = process.argv.length;
-var expression;
-var EventEmitter = require("events").EventEmitter;
-var fs = require("fs");
+const argc = process.argv.length;
+let expression;
+const EventEmitter = require("events").EventEmitter;
+const fs = require("fs");
 
 function exitMessage() {
     console.error(
@@ -30,14 +30,14 @@ function parseArgs(noOfArgs) {
 }
 
 function findPattern(files, regex) {
-    var emitter = new EventEmitter();
+    let emitter = new EventEmitter();
 
     files.forEach(function(file) {
         fs.readFile(file, "utf8", function(err, content) {
             if (err)
                 return emitter.emit("error", err);
             emitter.emit("fileread", file);
-            var match = null;
+            let match = null;
             if (!!(match = content.match(regex)))
                 match.forEach(function(elem) {
                     emitter.emit("found", file, elem);

emitterproto/proto.js

@@ -2,12 +2,12 @@
 /*jshint node: true */
 /*jshint esversion: 6 */
 "use strict";
-var EventEmitter = require("events").EventEmitter;
-var util = require("util");
-var fs = require("fs");
-var argc = process.argv.length;
-var expression;
-var finder;
+const EventEmitter = require("events").EventEmitter;
+const util = require("util");
+const fs = require("fs");
+const argc = process.argv.length;
+let expression;
+let finder;
 function FindPattern(regex) {
     EventEmitter.call(this);
     this.regex = regex;
@@ -28,16 +28,15 @@ FindPattern.prototype.setFiles = function(files) {
 
 FindPattern.prototype.find =
     function() {
-        var self = this;
-        self.files.forEach(function(file) {
+        this.files.forEach(function(file) {
             fs.readFile(file, 'utf8', function(err, content) {
                 if (err)
-                    return self.emit('error', err);
-                self.emit('fileread', file);
-                var match = null;
-                if (!!(match = content.match(self.regex)))
+                    return this.emit('error', err);
+                this.emit('fileread', file);
+                let match = null;
+                if (!!(match = content.match(this.regex)))
                     match.forEach(function(elem) {
-                        self.emit('found', file, elem);
+                        this.emit('found', file, elem);
                     });
             });
         });

fruitgenerator/fruitgenerator.js

@@ -10,7 +10,7 @@ function* fruitGenerator()
   return 'watermelon';
 } 
 
-var newFruitGenerator = fruitGenerator();
+const newFruitGenerator = fruitGenerator();
 console.log( newFruitGenerator.next());
 console.log( newFruitGenerator.next());
 console.log( newFruitGenerator.next());