v1.2.0

.travis.yml

@@ -1,4 +1,6 @@
 language: node_js
 node_js:
+  - "4"
+  - "5"
   - "6"
   - "node"

CHANGELOG.md

@@ -1,6 +1,11 @@
 # Circumcenter Calculator
 
+## 1.2.0
+
+  * removed dependancy from MathJS
+  * allow node `>=4.*`
+
 ## 1.1.0
 
   * fix error when trying to calculate with undefined slopes
-  * fix 'singular matrix' error
+  * fix 'singular matrix' error

README.md

@@ -10,11 +10,11 @@ This package allows you to calculate the circumcenter of a triangle given 3 poin
 const Point = require('circumcenter-calculator').Point;
 const calculate = require('circumcenter-calculator').calculate;
 
-const pointA = new Point(3,2);
-const pointB = new Point(1,4);
-const pointC = new Point(5,4);
+const  pointA = new Point(3,2);
+const  pointB = new Point(1,4);
+const  pointC = new Point(5,4);
 
-const cirucmcenter = calculate(pointA, pointB, pointC);
+const  cirucmcenter = calculate(pointA, pointB, pointC);
 
 console.log(cirucmcenter);
 
@@ -26,6 +26,9 @@ console.log(cirucmcenter);
  */
 ```
 
+## Note
+I'm not a JS dev, so the code is probably shitty... if you like to review it please feel free to do so! This is more an excercise for me :) thanks!
+
 ## Contributing
 Feel free to open PR, requesting feature via [twitter](https://twitter.com/utnaf), sending and email, or opening an issue.
 

index.js

@@ -1,13 +1,11 @@
-const circumcenterCalculator = (function() {
-  const Calculator = require("./src/CircumcenterCalculator").Calculator;
-  const Point = require("./src/Point").Point;
+var calculate = (function() {
+  var calculate = require("./src/calculate").calculate;
+  var Point = require("./src/Point").Point;
 
-  exports.calculate = function(a, b, c) {
-    return (new Calculator()).calculate(a, b, c);
-  };
+  exports.calculate = calculate;
   exports.Point = Point;
 
   return exports;
 })();
 
-if (typeof module.exports === "object") module.exports = circumcenterCalculator;
+if (typeof module.exports === "object") module.exports = calculate;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "circumcenter-calculator",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Calculate the circumcenter given 3 coordinates.",
   "author": "Davide Effe <utnaf.dev@gmail.com>",
   "keywords": [
@@ -18,9 +18,7 @@
   "private": false,
   "main": "./index.js",
   "dependencies": {
-    "babel-preset-env": "^1.6.1",
-    "linear-solve": "^1.2.1",
-    "mathjs": "^4.0.0"
+    "linear-solve": "^1.2.1"
   },
   "devDependencies": {
     "chai": "^4.1.2",
@@ -30,7 +28,7 @@
     "test": "mocha"
   },
   "engines": {
-    "node": ">=6.*"
+    "node": ">=4.*"
   },
   "engineStrict": true
 }

src/Equation.js

@@ -1,15 +1,13 @@
-const round = require("mathjs").round;
+var helpers = require("./helpers.js");
 
-class Equation {
-  constructor(coeffX, coeffY, constant) {
-    this.x = round(coeffX, 5);
-    this.y = round(coeffY, 5);
-    this.constant = round(constant, 5);
-  }
-
-  toString() {
-    return `${this.x}x ${this.y}y = ${this.constant}`;
-  }
+function Equation(coeffX, coeffY, constant) {
+  this.x = helpers.round(coeffX, 5);
+  this.y = helpers.round(coeffY, 5);
+  this.constant = helpers.round(constant, 5);
 }
 
-exports.Equation = Equation;
+Equation.prototype.toString = function() {
+  return `${this.x}x ${this.y}y = ${this.constant}`;
+};
+
+module.exports.Equation = Equation;

src/Point.js

@@ -1,14 +1,12 @@
-const round = require("mathjs").round;
+var round = require("./helpers").round;
 
-class Point {
-  constructor(x, y) {
-    this.x = round(x, 3);
-    this.y = round(y, 3);
-  }
+function Point(x, y) {
+  this.x = round(x, 3);
+  this.y = round(y, 3);
+};
 
-  toString() {
-    return `${this.x}:${this.y}`;
-  }
-}
+Point.prototype.toString = function() {
+  return `${this.x}:${this.y}`;
+};
 
-exports.Point = Point;
+module.exports.Point = Point;