Refactor tests

.eslintignore

@@ -0,0 +1,2 @@
+coverage/*
+dist/*

.travis.yml

@@ -1,5 +1,5 @@
 language: node_js
 node_js:
-  - "4.0"
+  - "6.0"
 after_success:
   - cat ./coverage/lcov.info | ./node_modules/codecov.io/bin/codecov.io.js

Gulpfile.js

@@ -1,11 +1,11 @@
-'use strict'
+/* eslint import/no-extraneous-dependencies: ["error", {"devDependencies": true}] */
 
-const babel = require('gulp-babel')
-const browserify = require('browserify')
-const gulp = require('gulp')
-const rename = require('gulp-rename')
-const source = require('vinyl-source-stream')
-const uglify = require('gulp-uglify')
+const babel = require('gulp-babel');
+const browserify = require('browserify');
+const gulp = require('gulp');
+const rename = require('gulp-rename');
+const source = require('vinyl-source-stream');
+const uglify = require('gulp-uglify');
 
 /**
  * Prepares the files for browser usage
@@ -14,19 +14,19 @@ const uglify = require('gulp-uglify')
  *  - Transpile with Babel
  *  - Minify with uglify
  */
-gulp.task('build', [ 'bundle' ], function () {
+gulp.task('build', ['bundle'], () => {
   gulp.src('./dist/dijkstra.js')
     .pipe(babel())
     .pipe(gulp.dest('./dist'))
     .pipe(uglify())
     .pipe(rename({ suffix: '.min' }))
-    .pipe(gulp.dest('./dist'))
-})
+    .pipe(gulp.dest('./dist'));
+});
 
-gulp.task('bundle', function () {
-  let b = browserify({ entries: './libs/Graph.js' })
+gulp.task('bundle', () => {
+  const b = browserify({ entries: './libs/Graph.js' });
 
   return b.bundle()
     .pipe(source('dijkstra.js'))
-    .pipe(gulp.dest('./dist'))
-})
+    .pipe(gulp.dest('./dist'));
+});

libs/PriorityQueue.js

@@ -47,9 +47,9 @@ class PriorityQueue {
       this.queue.push({ key, priority });
     } else {
       // Update the priority of an existing key
-      this.queue.map(element => {
+      this.queue.map((element) => {
         if (element.key === key) {
-          return Object.assing({}, element, { priority });
+          Object.assign(element, { priority });
         }
 
         return element;

libs/toDeepMap.js

@@ -23,18 +23,21 @@ function isValidNode(val) {
  */
 function toDeepMap(source) {
   const map = new Map();
+  const keys = Object.keys(source);
 
-  for (const key of source) {
+  keys.forEach((key) => {
     const val = source[key];
 
-    if (val !== null && typeof value === 'object' && !Array.is(val)) {
-      map.set(key, toDeepMap(val));
-    } else if (isValidNode(val)) {
-      map.set(key, val);
-    } else {
-      throw new Error(`Could not add node at key "${key}", make sure it's a valid node`);
+    if (val !== null && typeof val === 'object' && !Array.isArray(val)) {
+      return map.set(key, toDeepMap(val));
     }
-  }
+
+    if (!isValidNode(val)) {
+      throw new Error(`Could not add node at key "${key}", make sure it's a valid node`, val);
+    }
+
+    return map.set(key, Number(val));
+  });
 
   return map;
 }

package.json

@@ -9,7 +9,7 @@
     "url": "https://github.com/albertorestifo/node-dijkstra"
   },
   "scripts": {
-    "test": "eslint * && istanbul cover _mocha -- --ui bdd -R spec -t 5000",
+    "test": "eslint . && istanbul cover _mocha -- --ui bdd -R spec -t 5000",
     "compile": "gulp build"
   },
   "bugs": {