getting started with class based library

src/index.js

@@ -1,3 +1,23 @@
-'use strict';
+import { tableCreator } from './logic';
 
-module.exports = require('./logic.js');
+export default class Pivot {
+
+  constructor(data, rows, cols, agg, type, header) {
+    this.rows = rows;
+    this.cols = cols;
+    this.agg = agg;
+    this.type = type;
+    this.header = header;
+    this.data = tableCreator(data, rows, cols, agg, type, header);
+  }
+
+  getData() {
+    return this.data;
+  }
+
+  setData(data) {
+    this.data = tableCreator(
+        data, this.rows, this.cols, this.agg, this.type, this.header);
+  }
+
+}

src/logic.js

@@ -141,7 +141,7 @@ function checkPivotCategories(actualCats, selectedCats) {
   }
 }
 
-function tableCreator(
+export function tableCreator(
     data, rows = [], cols = [], accCatOrCB, accTypeOrInitVal, rowHeader) {
   data = fixDataFormat(data);
   if (!data.length) return [];
@@ -223,13 +223,3 @@ function tableCreator(
   };
 
 }
-
-module.exports = {
-  tableCreator,
-  fixDataFormat,
-  groupByCategory,
-  groupByCategories,
-  createColumnHeaders,
-  accumulator,
-  checkPivotCategories
-};

test/index.spec.js

@@ -0,0 +1,37 @@
+import chai from 'chai';
+
+import Pivot from '../lib/quick-pivot';
+
+chai.expect();
+const expect = chai.expect;
+
+var dataArray = [
+ ['name', 'gender', 'house', 'age'],
+ ['Jon', 'm', 'Stark', 14],
+ ['Arya', 'f', 'Stark', 10],
+ ['Cersei', 'f', 'Baratheon', 38],
+ ['Tywin', 'm', 'Lannister', 67],
+ ['Tyrion', 'm', 'Lannister', 34],
+ ['Joffrey', 'm', 'Baratheon', 18],
+ ['Bran', 'm', 'Stark', 8],
+ ['Jaime', 'm', 'Lannister', 32],
+ ['Sansa', 'f', 'Stark', 12]
+];
+
+var rowsToPivot = ['name'];
+var colsToPivot = ['house', 'gender'];
+var aggregationCategory = 'age';
+var aggregationType = 'sum';
+
+var pivot = new Pivot(
+		dataArray,
+		rowsToPivot,
+		colsToPivot,
+		aggregationCategory,
+		aggregationType);
+
+describe('this is a test', function() {
+  it('is this a pivot?', function() {
+    console.log('testing 1 2 3', pivot.getData());
+  });
+});