Optimieren Sie die JS-Funktion zum Filtern der Daten basierend auf Monat

Question

Derzeit habe ich unten Funktion zum Filtern der Elemente basierend auf dem Monat und Rückkehr in Array geschrieben und ich habe unten Login verwendet.

Kann jemand Hilfe ist es eine Möglichkeit, mehr filtern kann sogar leicht datejs oder Moment mit js for-Schleife in effizienter Art und Weise

Hier bin ich immer Datum im Format von 2/Jan/17 und Filterung basierend auf includes Verfahren

Vielen Dank im Voraus!

Javascript

function getMonthlyCount() { 
    return yearlyExecution() 
     .then(function(myitems) { 
     monthlyDataForGraph = []; 
     var janFinalCount = febFinalCount = marFinalCount = aprFinalCount = mayFinalCount = junFinalCount = julFinalCount = augFinalCount = sepFinalCount = octFinalCount = novFinalCount = decFinalCount = 0; 
     myitems.forEach(function(items) { 
      releasename = items[0].cycleName; 
      janData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("Jan/17")) 
       return inputs; 
      }); 
      febData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("Feb/17")) 
       return inputs; 
      }); 
      marData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("Mar/17")) 
       return inputs; 
      }); 
      aprData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("Apr/17")) 
       return inputs; 
      }); 
      mayData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("May/17")) 
       return inputs; 
      }); 
      junData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("Jun/17")) 
       return inputs; 
      }); 
      julData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("Jul/17")) 
       return inputs; 
      }); 
      augData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("Aug/17")) 
       return inputs; 
      }); 
      sepData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("Sep/17")) 
       return inputs; 
      }); 
      octData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("Oct/17")) 
       return inputs; 
      }); 
      novData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("Nov/17")) 
       return inputs; 
      }); 
      decData = $filter('filter')(items, function(inputs) { 
      if (inputs.executedOn.includes("Dec/17")) 
       return inputs; 
      }); 
      janFinalCount = janFinalCount + janData.length; 
      febFinalCount = febFinalCount + febData.length; 
      marFinalCount = marFinalCount + marData.length; 
      aprFinalCount = aprFinalCount + aprData.length; 
      mayFinalCount = mayFinalCount + mayData.length; 
      junFinalCount = junFinalCount + junData.length; 
      julFinalCount = julFinalCount + julData.length; 
      augFinalCount = augFinalCount + augData.length; 
      sepFinalCount = sepFinalCount + sepData.length; 
      octFinalCount = octFinalCount + octData.length; 
      novFinalCount = novFinalCount + novData.length; 
      decFinalCount = decFinalCount + decData.length; 
     }); 
     monthlyDataForGraph = [janFinalCount, febFinalCount, marFinalCount, aprFinalCount, mayFinalCount, junFinalCount, julFinalCount, augFinalCount, sepFinalCount, octFinalCount, novFinalCount, decFinalCount]; 
     console.log('Monthly Data For Graph', monthlyDataForGraph); 
     return monthlyDataForGraph; 
     }); 
    } 

Answer 1

Sie können Underscore group by mit momentjs so etwas wie

var data= _.groupBy(arr,function(item){return moment(inputs.executedOn,"DD/MMM/YY").format("MMM")}) 



var janData=data["Jan"] ? data["Jan"].length : 0; 

Here is working demo