old_contents: 'use strict';
  
  class FixationsDataProcessor {
  
      constructor() {
          this.fixationsData = [];
      }
  
      process(fileContentsAsArray)
      {
          for(var c in fileContentsAsArray) {
              let lineItems = fileContentsAsArray[c].split(' ');
  
              this.addItemToMinute({
                  x: parseInt(lineItems[1]),
                  y: parseInt(lineItems[2])
              }, this.getMinuteFromTimestamp(parseInt(lineItems[0])));
          }
  
          return this.fixationsData;
      }
  
      addItemToMinute(point, minute)
      {
          if(this.fixationsData[minute] === undefined) {
              this.fixationsData[minute] = {
                  points: [point]
              }
          } else {
              this.fixationsData[minute].points.push(point);
          }
      }
  
      getMinuteFromTimestamp(timestamp) {
          let minute = Math.floor(timestamp * 1.67 * 0.00001);
          return minute;
      }
  
  }
  
  export default FixationsDataProcessor
  
new_contents: 'use strict';
  
  class FixationsDataProcessor {
  
      constructor() {
          this.fixationsData = [];
      }
  
      process(fileContentsAsArray)
      {
          for(var c in fileContentsAsArray) {
              let lineItems = fileContentsAsArray[c].split(' ');
  
              this.addItemToMinute([lineItems[1], lineItems[2]], this.getMinuteFromTimestamp(parseInt(lineItems[0])));
          }
  
          return this.fixationsData;
      }
  
      addItemToMinute(point, minute)
      {
          if(this.fixationsData[minute] === undefined) {
              this.fixationsData[minute] = {
                  points: [point]
              }
          } else {
              this.fixationsData[minute].points.push(point);
          }
      }
  
      getMinuteFromTimestamp(timestamp) {
          let minute = Math.floor(timestamp * 1.67 * 0.00001);
          return minute;
      }
  
  }
  
  export default FixationsDataProcessor
  
subject: Switch from point objects to array for easier calculations