var register = function()

in lib/statistics.js [51:85]

• 28 lines of code
• 7 McCabe index (conditional complexity)

  var register = function(name, displayName, type, unit, source, destination) {
    if (metrics.hasOwnProperty(name)) {
      return;
    }

    var dimensions = [];

    if (source) {
      if (destination) {
        // Aggregation per source, destination and function
        dimensions = [{ Name: "Source", Value: source }, { Name: "Destination", Value: destination }, { Name: "Function", Value: process.env.AWS_LAMBDA_FUNCTION_NAME }];
      } else {
        // Aggregation per source and function
        dimensions = [{ Name: "Source", Value: source }, { Name: "Function", Value: process.env.AWS_LAMBDA_FUNCTION_NAME }];
      }
    } else if (destination) {
      // Aggregation per destination and function
      dimensions = [{ Name: "Destination", Value: destination }, { Name: "Function", Value: process.env.AWS_LAMBDA_FUNCTION_NAME }];
    } else {
      // Aggregation per function
      dimensions = [{ Name: "Function", Value: process.env.AWS_LAMBDA_FUNCTION_NAME }];
    }

    if(type == "counter") {
      metrics[name] = { name: displayName, unit: unit, dimensions: dimensions, type: type };
      entries[name] = 0;
    }
    else if(type == "stats") {
      metrics[name] = { name: displayName, unit: unit, dimensions: dimensions, type: type };
      entries[name] = { Minimum: 0, Maximum: 0, SampleCount: 0, Sum: 0 };
    }
    else {
      console.error("Invalid metric type '" + type + "', allowed values are 'counter' and 'stats'");
    }
  }