Issue #16: code review, delete unused code

src/components/QueryEditor/MetricAggregationsEditor/MetricEditor.tsx

@@ -15,10 +15,9 @@ import { segmentStyles } from '../styles';
 import { SettingsEditor } from './SettingsEditor';
 import {
   isMetricAggregationWithField,
-  isMetricAggregationWithInlineScript,
   isMetricAggregationWithSettings,
   isPipelineAggregation,
-  isPipelineAggregationWithMultipleBucketPaths,
+  isPipelineAggregationWithMultipleBucketPaths
 } from './aggregations';
 import { changeMetricField, changeMetricType } from './state/actions';
 import { getStyles } from './styles';
@@ -64,13 +63,8 @@ export const MetricEditor = ({ value }: Props) => {
   const loadOptions = useCallback(async () => {
     const remoteFields = await getFields();
 
-    // Metric aggregations that have inline script support don't require a field to be set.
-    if (isMetricAggregationWithInlineScript(value)) {
-      return [{ label: 'None' }, ...remoteFields];
-    }
-
     return remoteFields;
-  }, [getFields, value]);
+  }, [getFields]);
 
   const previousMetrics = query.metrics!.slice(
     0,

src/components/QueryEditor/MetricAggregationsEditor/aggregations.ts

@@ -6,7 +6,6 @@ import {
   BaseMetricAggregation,
   MetricAggregationWithField,
   MetricAggregationWithMissingSupport,
-  MetricAggregationWithInlineScript,
   PipelineMetricAggregation,
   MetricAggregationWithSettings,
 } from '../../../types';
@@ -62,10 +61,6 @@ export const isMetricAggregationWithMeta = (
   metric: BaseMetricAggregation | MetricAggregationWithMeta
 ): metric is MetricAggregationWithMeta => metricAggregationConfig[metric.type].hasMeta;
 
-export const isMetricAggregationWithInlineScript = (
-  metric: BaseMetricAggregation | MetricAggregationWithInlineScript
-): metric is MetricAggregationWithInlineScript => metricAggregationConfig[metric.type].supportsInlineScript;
-
 export const METRIC_AGGREGATION_TYPES: MetricAggregationType[] = [
   'count',
   'avg',