Yana - revisions

lab-yana/.gitignore

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+# Created by https://www.gitignore.io/api/node,vim,osx,macos,linux
+
+*node_modules
+
+### Node ###
+# Logs
+logs
+*.log
+npm-debug.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
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules
+jspm_packages
+
+# 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
+
+
+
+### 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
+
+
+### 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
+
+
+### macOS ###
+# Icon must end with two \r
+# Thumbnails
+# Files that might appear in the root of a volume
+# Directories potentially created on remote AFP share
+
+
+### 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*
+
+# End of https://www.gitignore.io/api/node,vim,osx,macos,linux

lab-yana/data/three.txt

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+This is the best file content. It is so good. 

lab-yana/data/two.txt

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+I'm not sure what to say about the contents of this file, except that it is superior to anything else. 

lab-yana/gulpfile.js

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+'use strict';
+
+const gulp = require('gulp');
+const eslint = require('gulp-eslint');
+const mocha = require('gulp-mocha');
+
+gulp.task('test', function() {
+  gulp.src('./test/*-test.js', { read: false })
+  .pipe(mocha({ reporter: 'spec' }));
+});
+
+gulp.task('lint', function() {
+  return gulp.src(['./**/*.js', '!node_modules/**']).pipe(eslint()).pipe(eslint.format()).pipe(eslint.failAfterError());
+});
+
+gulp.task('dev', function() {
+  gulp.watch(['**/*.js', '!node_modules/**'], ['lint', 'test']);
+});
+
+gulp.task('default', ['dev']);

lab-yana/index.js

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+'use strict';
+
+const reader = require(`${__dirname}/lib/read-files.js`);
+
+reader.fetchFiles(reader.files, reader.readFiles, reader.logThem);

lab-yana/lib/read-files.js

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+'use strict';
+
+const fs = require('fs');
+module.exports = exports = {};
+exports.files = [`${__dirname}/../data/one.txt`, `${__dirname}/../data/two.txt`, `${__dirname}/../data/three.txt`];
+
+exports.fetchFiles = function(files, iterator, cb) {
+  var resultsArray = [];
+  var doneCount = 0;
+  function isComplete(err, data) {
+    if (err) throw err;
+    doneCount += 1;
+    if(doneCount === files.length) {
+      cb(data);
+    }
+  }
+  for (let i = 0; i < files.length; i++) {
+    iterator(files[i], resultsArray, isComplete);
+  }
+}
+
+exports.logThem = function(data) {
+  console.log(data);
+}
+
+exports.readFiles = function(file, resultsArray, cb) {
+  fs.readFile(file, function(err, data) {
+    if (err) return cb(err);
+    let filename = file.slice(file.lastIndexOf('/') + 1 , file.length + 1);
+    let fileorder = exports.files.indexOf(file);
+    resultsArray[fileorder] = `first eight bytes of ${filename}: ${data.toString('hex', 0, 8)}`;
+    cb(null, resultsArray);
+  });
+}

lab-yana/package.json

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+{
+  "name": "lab-yana",
+  "version": "1.0.0",
+  "description": "",
+  "main": "gulpfule.js",
+  "directories": {
+    "test": "test"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "devDependencies": {
+    "chai": "^3.5.0",
+    "gulp": "^3.9.1",
+    "gulp-eslint": "^3.0.1",
+    "gulp-mocha": "^3.0.1",
+    "mocha": "^3.2.0"
+  }
+}

lab-yana/test/read-files-test.js

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+'use strict';
+
+const fs = require('fs');
+const expect = require('chai').expect;
+const reader = require('../lib/read-files.js');
+
+describe('File Reader Module', function() {
+  describe('with an improper file path', function() {
+    it('should return error', function(done) {
+      let resArray = [];
+      reader.readFiles(`${__dirname}/../data/not-valid-path.txt`, resArray, function(err) {
+        expect(err).to.be.an('error');
+        done();
+      });
+    });
+  });
+  describe('with a proper file path', function() {
+    it('should not return an error', function(done) {
+      let resArray = [];
+      reader.readFiles(`${__dirname}/../data/one.txt`, resArray, function(err, data) {
+        expect(err).to.equal(null);
+        done();
+      });
+    });
+  });
+  describe('#fetchFiles', function() {
+    it('should log in order one, two, three', function(done) {
+      reader.fetchFiles(reader.files, reader.readFiles, function(data) {
+        expect(data.length).to.equal(3);
+        expect(data[0]).to.include('one');
+        expect(data[1]).to.include('two');
+        expect(data[2]).to.include('three');
+        done();
+      });
+    });
+  });
+});