Bessie's Pull Request

lab-bessie/.eslintignore

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+**/node_modules/*
+**/vendor/*
+**/*.min.js
+**/coverage/*
+**/build/*

lab-bessie/.eslintrc.json

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+{
+    "env": {
+      "browser": true,
+      "node": true,
+      "commonjs": true,
+      "jest": true,
+      "es6": true
+    },
+    "globals": {
+      "err": true,
+      "req": true,
+      "res": true,
+      "next": true
+    },
+    "extends": "eslint:recommended",
+    "parserOptions": {
+      "sourceType": "module"
+    },
+    "rules": {
+      "no-console": "off",
+      "indent": [ "error", 2 ],
+      "quotes": ["error", "single", { "allowTemplateLiterals": true }],
+      "comma-dangle": ["error", "always-multiline"],
+      "semi": [ "error", "always" ],
+      "linebreak-style": ["error", "unix"]
+    }
+  }

lab-bessie/.gitignore

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+# 401 JS
+db
+**.env
+temp
+build
+
+# Created by https://www.gitignore.io/api/vim,osx,node,linux,windows
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+# .nfs files are created when an open file is removed but is still being accessed
+.nfs*
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+
+### OSX ###
+*.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+### Vim ###
+# swap
+[._]*.s[a-v][a-z]
+[._]*.sw[a-p]
+[._]s[a-v][a-z]
+[._]sw[a-p]
+# session
+Session.vim
+# temporary
+.netrwhist
+# auto-generated tag files
+tags
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.gitignore.io/api/vim,osx,node,linux,windows

lab-bessie/README.md

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+* In greet.js the single function is export a function that has an airity of 1 and expects a string as its input. If the input is valid, it will return a message saying 'hello [value of input]'. If the input is not valid, it will return null.
+
+* In arithmatic.js, one function that is exported is add which has an airity of 2. It expects two numbers as the inputs. If it is valid, it will return the sum of the two numbers. If one or both inputs are not numbers, it will return null.
+
+* The other function in arithmatic.js is sub which has an airity of 2. It expects two numbers as inputs. If the inputs are valid, it will return the difference between the two numbers. If one or both inputs are not numbers, it will return null.

lab-bessie/lib/arithmatic.js

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+'use strict';
+
+module.exports = exports = {};
+
+exports.add = function(a, b) {
+  if(typeof a !== 'number' || typeof b !== 'number') {
+    return null;
+  }
+  return a + b;
+};
+
+exports.sub = function(a, b) {
+  if(typeof a !== 'number' || typeof b !== 'number') {
+    return null;
+  }
+  return b - a;
+};

lab-bessie/lib/greet.js

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+'use strict';
+
+module.exports = function(name) {
+  if(typeof name !== 'string') {
+    return null;
+  }
+  return `hello ${name}`;
+};  

lab-bessie/test/arithmatic-test.js

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+'use strict';
+
+const arithmatic = require('../lib/arithmatic.js');
+const assert = require('assert');
+
+describe('Arithmatic Module', function() {
+  describe('#add', function() {
+    it('should equal 15',function() {
+      var result = arithmatic.add(7,8);
+      assert.ok(result === 15, 'does not equal 15');
+    });
+    it('should return null', function() {
+      var result = arithmatic.add(8, 'hello');
+      assert.ok(result === null, 'then they should both be numbers');
+    });
+  });
+
+  describe('#sub', function() {
+    it('should equal 2', function() {
+      var result = arithmatic.sub(13, 15);
+      assert.ok(result === 2, 'does not equal 2');
+    });
+    it('should return null', function() {
+      var result = arithmatic.sub(15, 'hello');
+      assert.ok(result === null, 'then they should both be numbers');
+    });
+  });
+});

lab-bessie/test/greet-test.js

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+'use strict';
+
+const greet = require('../lib/greet.js');
+const assert = require('assert');
+
+describe('Greet Module', function() {
+  describe('#greet', function() {
+    it('should say hello world', function() {
+      var result = greet('world');
+      assert.ok(result === 'hello world', 'not equal to hello world');
+    });
+    it('should say null', function(){
+      var result = greet(88);
+      assert.ok(result === null, 'result not null');
+    });
+  });
+});