Edit function: draw line chart based on selection

Use spread operator to replace the references that contain the values for the formatted observations and formatted metadata

Edit function: draw line chart based on selection
Use spread operator to replace the references that contain the values for the formatted observations and formatted metadata
5993e897 · Pithon Kabiro · 2c77d957 · 5993e897 · 5993e897 · 5993e897
Commit 5993e897 authored Oct 26, 2021 by Pithon Kabiro
--- a/public/js/src_modules/dropDownListAggregationAverage.mjs
+++ b/public/js/src_modules/dropDownListAggregationAverage.mjs
@@ -13,21 +13,21 @@ import { extractPropertiesFromFormattedDatastreamMetadata } from "./fetchedDataP
 * Calculate the daily average of observations and format these aggregated observations
 *
 * @param {Array} uniqueCalendarDatesNestedArr An array made up of sub-array(s) of unique calendar date(s) string(s)
- * @param {Array} observationsAggregationNestedArr An array made up of sub-array(s) of aggregated observations
+ * @param {Array} observationsNestedArr An array made up of sub-array(s) of observations
 * @param {String} selectedSamplingRateAbbrev A string representing the abbreviated form of the selected sampling rate option
 * @param {Array} formattedMetadataNestedArr An array of sub-arrays of formatted metadata properties
 * @returns {Array} An array whose first element is the formatted aggregated (daily average) observations. The second element is an object made up of extracted & formatted datastream properties
 */
 const calculateAndFormatDailyAverageObservations = function (
  uniqueCalendarDatesNestedArr,
-  observationsAggregationNestedArr,
+  observationsNestedArr,
  selectedSamplingRateAbbrev,
  formattedMetadataNestedArr
 ) {
  // Calculate AVERAGE / DAILY of values of observations
  const observationsAverageDailyNestedArr =
    calculateAverageOfObservationValuesWithinInterval(
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      uniqueCalendarDatesNestedArr,
      "daily"
@@ -61,14 +61,14 @@ const calculateAndFormatDailyAverageObservations = function (
 * Calculate the monthly average of observations and format these aggregated observations
 *
 * @param {Array} uniqueCalendarDatesNestedArr An array made up of sub-array(s) of unique calendar date(s) string(s)
- * @param {Array} observationsAggregationNestedArr An array made up of sub-array(s) of aggregated observations
+ * @param {Array} observationsNestedArr An array made up of sub-array(s) of observations
 * @param {String} selectedSamplingRateAbbrev A string representing the abbreviated form of the selected sampling rate option
 * @param {Array} formattedMetadataNestedArr An array of sub-arrays of formatted metadata properties
 * @returns {Array} An array whose first element is the formatted aggregated (monthly average) observations. The second element is an object made up of extracted & formatted datastream properties
 */
 const calculateAndFormatMonthlyAverageObservations = function (
  uniqueCalendarDatesNestedArr,
-  observationsAggregationNestedArr,
+  observationsNestedArr,
  selectedSamplingRateAbbrev,
  formattedMetadataNestedArr
 ) {
@@ -81,7 +81,7 @@ const calculateAndFormatMonthlyAverageObservations = function (
  // Calculate AVERAGE / MONTHLY of values of observations
  const observationsAverageMonthlyNestedArr =
    calculateAverageOfObservationValuesWithinInterval(
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      uniqueCalendarMonthsNestedArr,
      "monthly"

--- a/public/js/src_modules/dropDownListAggregationMaximum.mjs
+++ b/public/js/src_modules/dropDownListAggregationMaximum.mjs
@@ -13,21 +13,21 @@ import { extractPropertiesFromFormattedDatastreamMetadata } from "./fetchedDataP
 * Calculate the daily maximum of observations and format these aggregated observations
 *
 * @param {Array} uniqueCalendarDatesNestedArr An array made up of sub-array(s) of unique calendar date(s) string(s)
- * @param {Array} observationsAggregationNestedArr An array made up of sub-array(s) of aggregated observations
+ * @param {Array} observationsNestedArr An array made up of sub-array(s) of observations
 * @param {String} selectedSamplingRateAbbrev A string representing the abbreviated form of the selected sampling rate option
 * @param {Array} formattedMetadataNestedArr An array of sub-arrays of formatted metadata properties
 * @returns {Array} An array whose first element is the formatted aggregated (daily maximum) observations. The second element is an object made up of extracted & formatted datastream properties
 */
 const calculateAndFormatDailyMaximumObservations = function (
  uniqueCalendarDatesNestedArr,
-  observationsAggregationNestedArr,
+  observationsNestedArr,
  selectedSamplingRateAbbrev,
  formattedMetadataNestedArr
 ) {
  // Calculate MAXIMUM / DAILY of values of observations
  const observationsMaximumDailyNestedArr =
    calculateMaximumObservationValuesWithinInterval(
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      uniqueCalendarDatesNestedArr,
      "daily"
@@ -61,14 +61,14 @@ const calculateAndFormatDailyMaximumObservations = function (
 * Calculate the monthly maximum of observations and format these aggregated observations
 *
 * @param {Array} uniqueCalendarDatesNestedArr An array made up of sub-array(s) of unique calendar date(s) string(s)
- * @param {Array} observationsAggregationNestedArr An array made up of sub-array(s) of aggregated observations
+ * @param {Array} observationsNestedArr An array made up of sub-array(s) of observations
 * @param {String} selectedSamplingRateAbbrev A string representing the abbreviated form of the selected sampling rate option
 * @param {Array} formattedMetadataNestedArr An array of sub-arrays of formatted metadata properties
 * @returns {Array} An array whose first element is the formatted aggregated (monthly maximum) observations. The second element is an object made up of extracted & formatted datastream properties
 */
 const calculateAndFormatMonthlyMaximumObservations = function (
  uniqueCalendarDatesNestedArr,
-  observationsAggregationNestedArr,
+  observationsNestedArr,
  selectedSamplingRateAbbrev,
  formattedMetadataNestedArr
 ) {
@@ -81,7 +81,7 @@ const calculateAndFormatMonthlyMaximumObservations = function (
  // Calculate MAXIMUM / MONTHLY of values of observations
  const observationsMaximumMonthlyNestedArr =
    calculateMaximumObservationValuesWithinInterval(
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      uniqueCalendarMonthsNestedArr,
      "monthly"

--- a/public/js/src_modules/dropDownListAggregationMinimum.mjs
+++ b/public/js/src_modules/dropDownListAggregationMinimum.mjs
@@ -13,21 +13,21 @@ import { extractPropertiesFromFormattedDatastreamMetadata } from "./fetchedDataP
 * Calculate the daily minimum of observations and format these aggregated observations
 *
 * @param {Array} uniqueCalendarDatesNestedArr An array made up of sub-array(s) of unique calendar date(s) string(s)
- * @param {Array} observationsAggregationNestedArr An array made up of sub-array(s) of aggregated observations
+ * @param {Array} observationsNestedArr An array made up of sub-array(s) of observations
 * @param {String} selectedSamplingRateAbbrev A string representing the abbreviated form of the selected sampling rate option
 * @param {Array} formattedMetadataNestedArr An array of sub-arrays of formatted metadata properties
 * @returns {Array} An array whose first element is the formatted aggregated (daily minimum) observations. The second element is an object made up of extracted & formatted datastream properties
 */
 const calculateAndFormatDailyMinimumObservations = function (
  uniqueCalendarDatesNestedArr,
-  observationsAggregationNestedArr,
+  observationsNestedArr,
  selectedSamplingRateAbbrev,
  formattedMetadataNestedArr
 ) {
  // Calculate MINIMUM / DAILY of values of observations
  const observationsMinimumDailyNestedArr =
    calculateMinimumObservationValuesWithinInterval(
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      uniqueCalendarDatesNestedArr,
      "daily"
@@ -61,14 +61,14 @@ const calculateAndFormatDailyMinimumObservations = function (
 * Calculate the monthly minimum of observations and format these aggregated observations
 *
 * @param {Array} uniqueCalendarDatesNestedArr An array made up of sub-array(s) of unique calendar date(s) string(s)
- * @param {Array} observationsAggregationNestedArr An array made up of sub-array(s) of aggregated observations
+ * @param {Array} observationsNestedArr An array made up of sub-array(s) of observations
 * @param {String} selectedSamplingRateAbbrev A string representing the abbreviated form of the selected sampling rate option
 * @param {Array} formattedMetadataNestedArr An array of sub-arrays of formatted metadata properties
 * @returns {Array} An array whose first element is the formatted aggregated (monthly minimum) observations. The second element is an object made up of extracted & formatted datastream properties
 */
 const calculateAndFormatMonthlyMinimumObservations = function (
  uniqueCalendarDatesNestedArr,
-  observationsAggregationNestedArr,
+  observationsNestedArr,
  selectedSamplingRateAbbrev,
  formattedMetadataNestedArr
 ) {
@@ -81,7 +81,7 @@ const calculateAndFormatMonthlyMinimumObservations = function (
  // Calculate MINIMUM / MONTHLY of values of observations
  const observationsMinimumMonthlyNestedArr =
    calculateMinimumObservationValuesWithinInterval(
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      uniqueCalendarMonthsNestedArr,
      "monthly"

--- a/public/js/src_modules/dropDownListAggregationSum.mjs
+++ b/public/js/src_modules/dropDownListAggregationSum.mjs
@@ -13,21 +13,21 @@ import { extractPropertiesFromFormattedDatastreamMetadata } from "./fetchedDataP
 * Calculate the daily sum of observations and format these aggregated observations
 *
 * @param {Array} uniqueCalendarDatesNestedArr An array made up of sub-array(s) of unique calendar date(s) string(s)
- * @param {Array} observationsAggregationNestedArr An array made up of sub-array(s) of aggregated observations
+ * @param {Array} observationsNestedArr An array made up of sub-array(s) of observations
 * @param {String} selectedSamplingRateAbbrev A string representing the abbreviated form of the selected sampling rate option
 * @param {Array} formattedMetadataNestedArr An array of sub-arrays of formatted metadata properties
 * @returns {Array} An array whose first element is the formatted aggregated (daily sum) observations. The second element is an object made up of extracted & formatted datastream properties
 */
 const calculateAndFormatDailySumObservations = function (
  uniqueCalendarDatesNestedArr,
-  observationsAggregationNestedArr,
+  observationsNestedArr,
  selectedSamplingRateAbbrev,
  formattedMetadataNestedArr
 ) {
  // Calculate SUM / DAILY of values of observations
  const observationsSumDailyNestedArr =
    calculateSumOfObservationValuesWithinInterval(
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      uniqueCalendarDatesNestedArr,
      "daily"
@@ -61,14 +61,14 @@ const calculateAndFormatDailySumObservations = function (
 * Calculate the monthly sum of observations and format these aggregated observations
 *
 * @param {Array} uniqueCalendarDatesNestedArr An array made up of sub-array(s) of unique calendar date(s) string(s)
- * @param {Array} observationsAggregationNestedArr An array made up of sub-array(s) of aggregated observations
+ * @param {Array} observationsNestedArr An array made up of sub-array(s) of observations
 * @param {String} selectedSamplingRateAbbrev A string representing the abbreviated form of the selected sampling rate option
 * @param {Array} formattedMetadataNestedArr An array of sub-arrays of formatted metadata properties
 * @returns {Array} An array whose first element is the formatted aggregated (monthly sum) observations. The second element is an object made up of extracted & formatted datastream properties
 */
 const calculateAndFormatMonthlySumObservations = function (
  uniqueCalendarDatesNestedArr,
-  observationsAggregationNestedArr,
+  observationsNestedArr,
  selectedSamplingRateAbbrev,
  formattedMetadataNestedArr
 ) {
@@ -81,7 +81,7 @@ const calculateAndFormatMonthlySumObservations = function (
  // Calculate SUM / MONTHLY of values of observations
  const observationsSumMonthlyNestedArr =
    calculateSumOfObservationValuesWithinInterval(
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      uniqueCalendarMonthsNestedArr,
      "monthly"

--- a/public/js/src_modules/dropDownListChartColumn.mjs
+++ b/public/js/src_modules/dropDownListChartColumn.mjs
@@ -27,31 +27,31 @@ import {
 *
 * @param {String} selectedAggregationType A string representing the selected aggregation type. The currently supported strings include `Sum`, `Maximum`, `Minimum` and `Average`
 * @param {String} selectedAggregationDuration A string representing the selected aggregation duration. The currently supported strings include `Daily` and `Monthly`
- * @param {Array} observationsAggregationNestedArr An array made up of sub-array(s) of aggregated observations
+ * @param {Array} observationsNestedArr An array made up of sub-array(s) of observations
 * @param {String} selectedSamplingRateAbbrev A string representing the abbreviated form of the selected sampling rate option
 * @param {Array} uniqueCalendarDatesNestedArr An array made up of sub-array(s) of unique calendar date(s) string(s)
 * @param {Array} formattedMetadataNestedArr An array of sub-arrays of formatted metadata properties
 * @returns {undefined} undefined
 */
 export const drawColumnChartBasedOnSelectedAggregationOptions = function (
-  selectedAggregationTypeArr,
+  selectedAggregationType,
  selectedAggregationDuration,
-  observationsAggregationNestedArr,
+  observationsNestedArr,
  selectedSamplingRateAbbrev,
  uniqueCalendarDatesNestedArr,
  formattedMetadataNestedArr
 ) {
+  // Daily / sum
  if (
-    selectedAggregationTypeArr === "Sum" &&
+    selectedAggregationType === "Sum" &&
    selectedAggregationDuration === "Daily"
  ) {
-    // Formatted observations and metadata for chart - daily / sum
    const [
      formattedObservationsSumDailyNestedArr,
      extractedFormattedDatastreamProperties,
    ] = calculateAndFormatDailySumObservations(
      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      formattedMetadataNestedArr
    );
@@ -60,17 +60,18 @@ export const drawColumnChartBasedOnSelectedAggregationOptions = function (
      formattedObservationsSumDailyNestedArr,
      extractedFormattedDatastreamProperties
    );
-  } else if (
-    selectedAggregationTypeArr === "Sum" &&
+  }
+  // Monthly / sum
+  else if (
+    selectedAggregationType === "Sum" &&
    selectedAggregationDuration === "Monthly"
  ) {
-    // Formatted observations and metadata for chart - monthly / sum
    const [
      formattedObservationsSumMonthlyNestedArr,
      extractedFormattedDatastreamProperties,
    ] = calculateAndFormatMonthlySumObservations(
      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      formattedMetadataNestedArr
    );
@@ -79,8 +80,10 @@ export const drawColumnChartBasedOnSelectedAggregationOptions = function (
      formattedObservationsSumMonthlyNestedArr,
      extractedFormattedDatastreamProperties
    );
-  } else if (
-    selectedAggregationTypeArr === "Maximum" &&
+  }
+  // Daily / maximum
+  else if (
+    selectedAggregationType === "Maximum" &&
    selectedAggregationDuration === "Daily"
  ) {
    // Formatted observations and metadata for chart - daily / maximum
@@ -89,7 +92,7 @@ export const drawColumnChartBasedOnSelectedAggregationOptions = function (
      extractedFormattedDatastreamProperties,
    ] = calculateAndFormatDailyMaximumObservations(
      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      formattedMetadataNestedArr
    );
@@ -98,17 +101,18 @@ export const drawColumnChartBasedOnSelectedAggregationOptions = function (
      formattedObservationsMaximumDailyNestedArr,
      extractedFormattedDatastreamProperties
    );
-  } else if (
-    selectedAggregationTypeArr === "Maximum" &&
+  }
+  // Monthly / maximum
+  else if (
+    selectedAggregationType === "Maximum" &&
    selectedAggregationDuration === "Monthly"
  ) {
-    // Formatted observations and metadata for chart - monthly / maximum
    const [
      formattedObservationsMaximumMonthlyNestedArr,
      extractedFormattedDatastreamProperties,
    ] = calculateAndFormatMonthlyMaximumObservations(
      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      formattedMetadataNestedArr
    );
@@ -117,8 +121,10 @@ export const drawColumnChartBasedOnSelectedAggregationOptions = function (
      formattedObservationsMaximumMonthlyNestedArr,
      extractedFormattedDatastreamProperties
    );
-  } else if (
-    selectedAggregationTypeArr === "Minimum" &&
+  }
+  // Daily / minimum
+  else if (
+    selectedAggregationType === "Minimum" &&
    selectedAggregationDuration === "Daily"
  ) {
    // Formatted observations and metadata for chart - daily / minimum
@@ -127,7 +133,7 @@ export const drawColumnChartBasedOnSelectedAggregationOptions = function (
      extractedFormattedDatastreamProperties,
    ] = calculateAndFormatDailyMinimumObservations(
      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      formattedMetadataNestedArr
    );
@@ -136,17 +142,18 @@ export const drawColumnChartBasedOnSelectedAggregationOptions = function (
      formattedObservationsMinimumDailyNestedArr,
      extractedFormattedDatastreamProperties
    );
-  } else if (
-    selectedAggregationTypeArr === "Minimum" &&
+  }
+  // Monthly / minimum
+  else if (
+    selectedAggregationType === "Minimum" &&
    selectedAggregationDuration === "Monthly"
  ) {
-    // Formatted observations and metadata for chart - monthly / minimum
    const [
      formattedObservationsMinimumMonthlyNestedArr,
      extractedFormattedDatastreamProperties,
    ] = calculateAndFormatMonthlyMinimumObservations(
      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      formattedMetadataNestedArr
    );
@@ -155,17 +162,18 @@ export const drawColumnChartBasedOnSelectedAggregationOptions = function (
      formattedObservationsMinimumMonthlyNestedArr,
      extractedFormattedDatastreamProperties
    );
-  } else if (
-    selectedAggregationTypeArr === "Average" &&
+  }
+  // Daily / average
+  else if (
+    selectedAggregationType === "Average" &&
    selectedAggregationDuration === "Daily"
  ) {
-    // Formatted observations and metadata for chart - daily / average
    const [
      formattedObservationsAverageDailyNestedArr,
      extractedFormattedDatastreamProperties,
    ] = calculateAndFormatDailyAverageObservations(
      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      formattedMetadataNestedArr
    );
@@ -174,17 +182,18 @@ export const drawColumnChartBasedOnSelectedAggregationOptions = function (
      formattedObservationsAverageDailyNestedArr,
      extractedFormattedDatastreamProperties
    );
-  } else if (
-    selectedAggregationTypeArr === "Average" &&
+  }
+  // Monthly / average
+  else if (
+    selectedAggregationType === "Average" &&
    selectedAggregationDuration === "Monthly"
  ) {
-    // Formatted observations and metadata for chart - monthly / average
    const [
      formattedObservationsAverageMonthlyNestedArr,
      extractedFormattedDatastreamProperties,
    ] = calculateAndFormatMonthlyAverageObservations(
      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
+      observationsNestedArr,
      selectedSamplingRateAbbrev,
      formattedMetadataNestedArr
    );

--- a/public/js/src_modules/dropDownListChartLine.mjs
+++ b/public/js/src_modules/dropDownListChartLine.mjs
@@ -27,7 +27,7 @@ import {
 *
 * @param {String} selectedAggregationType A string representing the selected aggregation type. The currently supported strings include `Sum`, `Maximum`, `Minimum` and `Average`
 * @param {String} selectedAggregationDuration A string representing the selected aggregation duration. The currently supported strings include `Daily` and `Monthly`
- * @param {Array} observationsAggregationNestedArr An array made up of sub-array(s) of aggregated observations
+ * @param {Array} observationsNestedArr An array made up of sub-array(s) of observations
 * @param {String} selectedSamplingRateAbbrev A string representing the abbreviated form of the selected sampling rate option
 * @param {Array} uniqueCalendarDatesNestedArr An array made up of sub-array(s) of unique calendar date(s) string(s)
 * @param {Array} formattedMetadataNestedArr An array of sub-arrays of formatted metadata properties
@@ -36,162 +36,124 @@ import {
 export const drawLineChartBasedOnSelectedAggregationOptions = function (
  selectedAggregationType,
  selectedAggregationDuration,
-  observationsAggregationNestedArr,
+  observationsNestedArr,
  selectedSamplingRateAbbrev,
  uniqueCalendarDatesNestedArr,
  formattedMetadataNestedArr
 ) {
+  // Daily / sum
  if (
    selectedAggregationType === "Sum" &&
    selectedAggregationDuration === "Daily"
  ) {
-    // Formatted observations and metadata for chart - daily / sum
-    const [
-      formattedObservationsSumDailyNestedArr,
-      extractedFormattedDatastreamProperties,
-    ] = calculateAndFormatDailySumObservations(
-      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
-      selectedSamplingRateAbbrev,
-      formattedMetadataNestedArr
-    );
-
+    // Note: The `drawColumChart` function expects two arguments,
+    // these are obtained by using the spread operator on the
+    // result returned from the `calculateAndFormat...` functions
    drawLineChartHighcharts(
-      formattedObservationsSumDailyNestedArr,
-      extractedFormattedDatastreamProperties
+      ...calculateAndFormatDailySumObservations(
+        uniqueCalendarDatesNestedArr,
+        observationsNestedArr,
+        selectedSamplingRateAbbrev,
+        formattedMetadataNestedArr
+      )
    );
-  } else if (
+  }
+  // Monthly / sum
+  else if (
    selectedAggregationType === "Sum" &&
    selectedAggregationDuration === "Monthly"
  ) {
-    // Formatted observations and metadata for chart - monthly / sum
-    const [
-      formattedObservationsSumMonthlyNestedArr,
-      extractedFormattedDatastreamProperties,
-    ] = calculateAndFormatMonthlySumObservations(
-      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
-      selectedSamplingRateAbbrev,
-      formattedMetadataNestedArr
-    );
-
    drawLineChartHighcharts(
-      formattedObservationsSumMonthlyNestedArr,
-      extractedFormattedDatastreamProperties
+      ...calculateAndFormatMonthlySumObservations(
+        uniqueCalendarDatesNestedArr,
+        observationsNestedArr,
+        selectedSamplingRateAbbrev,
+        formattedMetadataNestedArr
+      )
    );
-  } else if (
+  }
+  // Daily / maximum
+  else if (
    selectedAggregationType === "Maximum" &&
    selectedAggregationDuration === "Daily"
  ) {
-    // Formatted observations and metadata for chart - daily / maximum
-    const [
-      formattedObservationsMaximumDailyNestedArr,
-      extractedFormattedDatastreamProperties,
-    ] = calculateAndFormatDailyMaximumObservations(
-      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
-      selectedSamplingRateAbbrev,
-      formattedMetadataNestedArr
-    );
-
    drawLineChartHighcharts(
-      formattedObservationsMaximumDailyNestedArr,
-      extractedFormattedDatastreamProperties
+      ...calculateAndFormatDailyMaximumObservations(
+        uniqueCalendarDatesNestedArr,
+        observationsNestedArr,
+        selectedSamplingRateAbbrev,
+        formattedMetadataNestedArr
+      )
    );
-  } else if (
+  }
+  // Monthly / maximum
+  else if (
    selectedAggregationType === "Maximum" &&
    selectedAggregationDuration === "Monthly"
  ) {
-    // Formatted observations and metadata for chart - monthly / maximum
-    const [
-      formattedObservationsMaximumMonthlyNestedArr,
-      extractedFormattedDatastreamProperties,
-    ] = calculateAndFormatMonthlyMaximumObservations(
-      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
-      selectedSamplingRateAbbrev,
-      formattedMetadataNestedArr
-    );
-
    drawLineChartHighcharts(
-      formattedObservationsMaximumMonthlyNestedArr,
-      extractedFormattedDatastreamProperties
+      ...calculateAndFormatMonthlyMaximumObservations(
+        uniqueCalendarDatesNestedArr,
+        observationsNestedArr,
+        selectedSamplingRateAbbrev,
+        formattedMetadataNestedArr
+      )
    );
-  } else if (
+  }
+  // Daily / minimum
+  else if (
    selectedAggregationType === "Minimum" &&
    selectedAggregationDuration === "Daily"
  ) {
-    // Formatted observations and metadata for chart - daily / minimum
-    const [
-      formattedObservationsMinimumDailyNestedArr,
-      extractedFormattedDatastreamProperties,
-    ] = calculateAndFormatDailyMinimumObservations(
-      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
-      selectedSamplingRateAbbrev,
-      formattedMetadataNestedArr
-    );
-
    drawLineChartHighcharts(
-      formattedObservationsMinimumDailyNestedArr,
-      extractedFormattedDatastreamProperties
+      ...calculateAndFormatDailyMinimumObservations(
+        uniqueCalendarDatesNestedArr,
+        observationsNestedArr,
+        selectedSamplingRateAbbrev,
+        formattedMetadataNestedArr
+      )
    );
-  } else if (
+  }
+  // Monthly / minimum
+  else if (
    selectedAggregationType === "Minimum" &&
    selectedAggregationDuration === "Monthly"
  ) {
-    // Formatted observations and metadata for chart - monthly / minimum
-    const [
-      formattedObservationsMinimumMonthlyNestedArr,
-      extractedFormattedDatastreamProperties,
-    ] = calculateAndFormatMonthlyMinimumObservations(
-      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
-      selectedSamplingRateAbbrev,
-      formattedMetadataNestedArr
-    );
-
    drawLineChartHighcharts(
-      formattedObservationsMinimumMonthlyNestedArr,
-      extractedFormattedDatastreamProperties
+      ...calculateAndFormatMonthlyMinimumObservations(
+        uniqueCalendarDatesNestedArr,
+        observationsNestedArr,
+        selectedSamplingRateAbbrev,
+        formattedMetadataNestedArr
+      )
    );
-  } else if (
+  }
+  // Daily / average
+  else if (
    selectedAggregationType === "Average" &&
    selectedAggregationDuration === "Daily"
  ) {
-    // Formatted observations and metadata for chart - daily / average
-    const [
-      formattedObservationsAverageDailyNestedArr,
-      extractedFormattedDatastreamProperties,
-    ] = calculateAndFormatDailyAverageObservations(
-      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
-      selectedSamplingRateAbbrev,
-      formattedMetadataNestedArr
-    );
-
    drawLineChartHighcharts(
-      formattedObservationsAverageDailyNestedArr,
-      extractedFormattedDatastreamProperties
+      ...calculateAndFormatDailyAverageObservations(
+        uniqueCalendarDatesNestedArr,
+        observationsNestedArr,
+        selectedSamplingRateAbbrev,
+        formattedMetadataNestedArr
+      )
    );
-  } else if (
+  }
+  // Monthly / average
+  else if (
    selectedAggregationType === "Average" &&
    selectedAggregationDuration === "Monthly"
  ) {
-    // Formatted observations and metadata for chart - monthly / average
-    const [
-      formattedObservationsAverageMonthlyNestedArr,
-      extractedFormattedDatastreamProperties,
-    ] = calculateAndFormatMonthlyAverageObservations(
-      uniqueCalendarDatesNestedArr,
-      observationsAggregationNestedArr,
-      selectedSamplingRateAbbrev,
-      formattedMetadataNestedArr
-    );
-
    drawLineChartHighcharts(
-      formattedObservationsAverageMonthlyNestedArr,
-      extractedFormattedDatastreamProperties
+      ...calculateAndFormatMonthlyAverageObservations(
+        uniqueCalendarDatesNestedArr,
+        observationsNestedArr,
+        selectedSamplingRateAbbrev,
+        formattedMetadataNestedArr
+      )
    );
  }
 };