diff --git a/src/plugins/vis_type_timeseries/common/basic_aggs.js b/src/plugins/vis_type_timeseries/common/basic_aggs.ts
similarity index 100%
rename from src/plugins/vis_type_timeseries/common/basic_aggs.js
rename to src/plugins/vis_type_timeseries/common/basic_aggs.ts
diff --git a/src/plugins/vis_type_timeseries/common/last_value_utils.test.ts b/src/plugins/vis_type_timeseries/common/last_value_utils.test.ts
index 34e1265b9a6a2..b526d5e860684 100644
--- a/src/plugins/vis_type_timeseries/common/last_value_utils.test.ts
+++ b/src/plugins/vis_type_timeseries/common/last_value_utils.test.ts
@@ -8,6 +8,7 @@
 
 import { getLastValue, isEmptyValue, EMPTY_VALUE } from './last_value_utils';
 import { clone } from 'lodash';
+import { PanelDataArray } from './types/vis_data';
 
 describe('getLastValue(data)', () => {
   test('should return data, if data is not an array', () => {
@@ -40,7 +41,7 @@ describe('getLastValue(data)', () => {
       getLastValue([
         [1, null],
         [2, undefined],
-      ])
+      ] as PanelDataArray[])
     ).toBe(EMPTY_VALUE);
   });
 });
diff --git a/src/plugins/vis_type_timeseries/common/last_value_utils.ts b/src/plugins/vis_type_timeseries/common/last_value_utils.ts
index a51a04962a891..948887fae0abb 100644
--- a/src/plugins/vis_type_timeseries/common/last_value_utils.ts
+++ b/src/plugins/vis_type_timeseries/common/last_value_utils.ts
@@ -7,18 +7,19 @@
  */
 
 import { isArray, last, isEqual } from 'lodash';
+import type { PanelDataArray } from './types/vis_data';
 
 export const EMPTY_VALUE = null;
 export const DISPLAY_EMPTY_VALUE = '-';
 
-const extractValue = (data: unknown[] | void) => (data && data[1]) ?? EMPTY_VALUE;
+const extractValue = (data: PanelDataArray) => (data && data[1]) ?? EMPTY_VALUE;
 
-export const getLastValue = (data: unknown) => {
+export const getLastValue = (data: PanelDataArray[] | string | number) => {
   if (!isArray(data)) {
     return data;
   }
 
-  return extractValue(last(data));
+  return extractValue(last(data)!);
 };
 
 export const isEmptyValue = (value: unknown) => isEqual(value, EMPTY_VALUE);
diff --git a/src/plugins/vis_type_timeseries/common/to_percentile_number.ts b/src/plugins/vis_type_timeseries/common/to_percentile_number.ts
index 2296e2ef7a11e..2bd4b85b73347 100644
--- a/src/plugins/vis_type_timeseries/common/to_percentile_number.ts
+++ b/src/plugins/vis_type_timeseries/common/to_percentile_number.ts
@@ -8,5 +8,5 @@
 
 const percentileNumberTest = /\d+\.\d+/;
 
-export const toPercentileNumber = (value: string) =>
+export const toPercentileNumber = (value: number | string) =>
   percentileNumberTest.test(`${value}`) ? value : `${value}.0`;
diff --git a/src/plugins/vis_type_timeseries/common/types/vis_data.ts b/src/plugins/vis_type_timeseries/common/types/vis_data.ts
index bf827d3709224..fb3e0db82f188 100644
--- a/src/plugins/vis_type_timeseries/common/types/vis_data.ts
+++ b/src/plugins/vis_type_timeseries/common/types/vis_data.ts
@@ -39,13 +39,15 @@ export interface PanelSeries {
 export interface PanelData {
   id: string;
   label: string;
-  data: Array<[number, number]>;
+  data: PanelDataArray[];
   seriesId: string;
   splitByLabel: string;
   isSplitByTerms: boolean;
   error?: string;
 }
 
+export type PanelDataArray = [number | undefined | string, number | string | null];
+
 export interface Annotation {
   key: number;
   docs: Array<Record<string, string>>;
diff --git a/src/plugins/vis_type_timeseries/public/application/components/lib/get_interval.ts b/src/plugins/vis_type_timeseries/public/application/components/lib/get_interval.ts
index 5945cf97c7dfd..4b232af299a19 100644
--- a/src/plugins/vis_type_timeseries/public/application/components/lib/get_interval.ts
+++ b/src/plugins/vis_type_timeseries/public/application/components/lib/get_interval.ts
@@ -10,13 +10,14 @@ import moment from 'moment';
 import { i18n } from '@kbn/i18n';
 import { get } from 'lodash';
 import { search } from '../../../../../../plugins/data/public';
-const { parseEsInterval } = search.aggs;
 import { GTE_INTERVAL_RE } from '../../../../common/interval_regexp';
 import { AUTO_INTERVAL } from '../../../../common/constants';
 import { isVisTableData } from '../../../../common/vis_data_utils';
 import type { PanelData, TimeseriesVisData } from '../../../../common/types';
 import { TimeseriesVisParams } from '../../../types';
 
+const { parseEsInterval } = search.aggs;
+
 export const unitLookup = {
   s: i18n.translate('visTypeTimeseries.getInterval.secondsLabel', { defaultMessage: 'seconds' }),
   m: i18n.translate('visTypeTimeseries.getInterval.minutesLabel', { defaultMessage: 'minutes' }),
@@ -76,7 +77,11 @@ export const getInterval = (visData: TimeseriesVisData, model: TimeseriesVisPara
   ) as PanelData[];
 
   return series.reduce((currentInterval, item) => {
-    if (item.data.length > 1) {
+    if (
+      item.data.length > 1 &&
+      typeof item.data[1][0] === 'number' &&
+      typeof item.data[0][0] === 'number'
+    ) {
       const seriesInterval = item.data[1][0] - item.data[0][0];
       if (!currentInterval || seriesInterval < currentInterval) return seriesInterval;
     }
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/get_table_data.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/get_table_data.ts
index 3f8d30f0ed833..7e1332f801856 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/get_table_data.ts
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/get_table_data.ts
@@ -9,11 +9,8 @@
 import { i18n } from '@kbn/i18n';
 import { get } from 'lodash';
 
-// not typed yet
-// @ts-expect-error
-import { buildRequestBody } from './table/build_request_body';
+import { buildTableRequest } from './table/build_request_body';
 import { handleErrorResponse } from './handle_error_response';
-// @ts-expect-error
 import { processBucket } from './table/process_bucket';
 
 import { createFieldsFetcher } from '../search_strategies/lib/fields_fetcher';
@@ -74,15 +71,16 @@ export async function getTableData(
   const handleError = handleErrorResponse(panel);
 
   try {
-    const body = await buildRequestBody(
+    const body = await buildTableRequest({
       req,
       panel,
-      services.esQueryConfig,
-      panelIndex,
+      esQueryConfig: services.esQueryConfig,
+      seriesIndex: panelIndex,
       capabilities,
-      services.uiSettings,
-      () => services.buildSeriesMetaParams(panelIndex, Boolean(panel.use_kibana_indexes))
-    );
+      uiSettings: services.uiSettings,
+      buildSeriesMetaParams: () =>
+        services.buildSeriesMetaParams(panelIndex, Boolean(panel.use_kibana_indexes)),
+    });
 
     const [resp] = await searchStrategy.search(requestContext, req, [
       {
@@ -100,9 +98,7 @@ export async function getTableData(
       []
     );
 
-    const series = await Promise.all(
-      buckets.map(processBucket(panel, req, searchStrategy, capabilities, extractFields))
-    );
+    const series = await Promise.all(buckets.map(processBucket({ panel, extractFields })));
 
     return {
       ...meta,
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/format_key.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/format_key.ts
similarity index 71%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/format_key.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/format_key.ts
index 4373f9a958943..947f7b38833ca 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/format_key.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/format_key.ts
@@ -6,8 +6,10 @@
  * Side Public License, v 1.
  */
 
-export function formatKey(key, series) {
-  if (/{{\s*key\s*}}/.test(series.label)) {
+import { Series } from '../../../../common/types';
+
+export function formatKey(key: string, series: Series) {
+  if (series.label && /{{\s*key\s*}}/.test(series.label)) {
     return series.label.replace(/{{\s*key\s*}}/, key);
   }
   return key;
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.js
deleted file mode 100644
index 404760defda6c..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.js
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { startsWith } from 'lodash';
-import { toPercentileNumber } from '../../../../common/to_percentile_number';
-import { METRIC_TYPES } from '../../../../common/enums';
-
-const percentileTest = /\[[0-9\.]+\]$/;
-
-export const getBucketsPath = (id, metrics) => {
-  const metric = metrics.find((m) => startsWith(id, m.id));
-  let bucketsPath = String(id);
-
-  switch (metric.type) {
-    case METRIC_TYPES.DERIVATIVE:
-      bucketsPath += '[normalized_value]';
-      break;
-    // For percentiles we need to breakout the percentile key that the user
-    // specified. This information is stored in the key using the following pattern
-    // {metric.id}[{percentile}]
-    case METRIC_TYPES.PERCENTILE:
-      if (percentileTest.test(bucketsPath)) break;
-      const percent = metric.percentiles[0];
-      bucketsPath += `[${toPercentileNumber(percent.value)}]`;
-      break;
-    case METRIC_TYPES.PERCENTILE_RANK:
-      if (percentileTest.test(bucketsPath)) break;
-      bucketsPath += `[${toPercentileNumber(metric.value)}]`;
-      break;
-    case METRIC_TYPES.STD_DEVIATION:
-    case METRIC_TYPES.VARIANCE:
-    case METRIC_TYPES.SUM_OF_SQUARES:
-      if (/^std_deviation/.test(metric.type) && ~['upper', 'lower'].indexOf(metric.mode)) {
-        bucketsPath += `[std_${metric.mode}]`;
-      } else {
-        bucketsPath += `[${metric.type}]`;
-      }
-      break;
-  }
-
-  return bucketsPath;
-};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.test.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.test.ts
similarity index 68%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.test.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.test.ts
index 9f6d0746bc03b..d5a6d25ca60f9 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.test.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.test.ts
@@ -7,9 +7,10 @@
  */
 
 import { getBucketsPath } from './get_buckets_path';
+import type { Metric } from '../../../../common/types';
 
 describe('getBucketsPath', () => {
-  const metrics = [
+  const metrics = ([
     { id: 1, type: 'derivative' },
     { id: 2, type: 'percentile', percentiles: [{ value: '50' }] },
     { id: 3, type: 'percentile', percentiles: [{ value: '20.0' }, { value: '10.0' }] },
@@ -19,18 +20,18 @@ describe('getBucketsPath', () => {
     { id: 7, type: 'sum_of_squares' },
     { id: 8, type: 'variance' },
     { id: 9, type: 'max' },
-  ];
+  ] as unknown) as Metric[];
 
   test('return path for derivative', () => {
-    expect(getBucketsPath(1, metrics)).toEqual('1[normalized_value]');
+    expect(getBucketsPath('1', metrics)).toEqual('1[normalized_value]');
   });
 
   test('return path for percentile(50)', () => {
-    expect(getBucketsPath(2, metrics)).toEqual('2[50.0]');
+    expect(getBucketsPath('2', metrics)).toEqual('2[50.0]');
   });
 
   test('return path for percentile(20.0)', () => {
-    expect(getBucketsPath(3, metrics)).toEqual('3[20.0]');
+    expect(getBucketsPath('3', metrics)).toEqual('3[20.0]');
   });
 
   test('return path for percentile(10.0) with alt id', () => {
@@ -38,26 +39,26 @@ describe('getBucketsPath', () => {
   });
 
   test('return path for std_deviation(raw)', () => {
-    expect(getBucketsPath(4, metrics)).toEqual('4[std_deviation]');
+    expect(getBucketsPath('4', metrics)).toEqual('4[std_deviation]');
   });
 
   test('return path for std_deviation(upper)', () => {
-    expect(getBucketsPath(5, metrics)).toEqual('5[std_upper]');
+    expect(getBucketsPath('5', metrics)).toEqual('5[std_upper]');
   });
 
   test('return path for std_deviation(lower)', () => {
-    expect(getBucketsPath(6, metrics)).toEqual('6[std_lower]');
+    expect(getBucketsPath('6', metrics)).toEqual('6[std_lower]');
   });
 
   test('return path for sum_of_squares', () => {
-    expect(getBucketsPath(7, metrics)).toEqual('7[sum_of_squares]');
+    expect(getBucketsPath('7', metrics)).toEqual('7[sum_of_squares]');
   });
 
   test('return path for variance', () => {
-    expect(getBucketsPath(8, metrics)).toEqual('8[variance]');
+    expect(getBucketsPath('8', metrics)).toEqual('8[variance]');
   });
 
   test('return path for basic metric', () => {
-    expect(getBucketsPath(9, metrics)).toEqual('9');
+    expect(getBucketsPath('9', metrics)).toEqual('9');
   });
 });
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.ts
new file mode 100644
index 0000000000000..6fb53e842cb94
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_buckets_path.ts
@@ -0,0 +1,53 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { startsWith } from 'lodash';
+import { toPercentileNumber } from '../../../../common/to_percentile_number';
+import { METRIC_TYPES } from '../../../../common/enums';
+import type { Metric } from '../../../../common/types';
+
+const percentileTest = /\[[0-9\.]+\]$/;
+
+export const getBucketsPath = (id: string, metrics: Metric[]) => {
+  const metric = metrics.find((m) => startsWith(id, m.id));
+  let bucketsPath = String(id);
+
+  if (metric) {
+    switch (metric.type) {
+      case METRIC_TYPES.DERIVATIVE:
+        bucketsPath += '[normalized_value]';
+        break;
+      // For percentiles we need to breakout the percentile key that the user
+      // specified. This information is stored in the key using the following pattern
+      // {metric.id}[{percentile}]
+      case METRIC_TYPES.PERCENTILE:
+        if (percentileTest.test(bucketsPath)) break;
+        if (metric.percentiles?.length) {
+          const percent = metric.percentiles[0];
+
+          bucketsPath += `[${toPercentileNumber(percent.value!)}]`;
+        }
+        break;
+      case METRIC_TYPES.PERCENTILE_RANK:
+        if (percentileTest.test(bucketsPath)) break;
+        bucketsPath += `[${toPercentileNumber(metric.value!)}]`;
+        break;
+      case METRIC_TYPES.STD_DEVIATION:
+      case METRIC_TYPES.VARIANCE:
+      case METRIC_TYPES.SUM_OF_SQUARES:
+        if (/^std_deviation/.test(metric.type) && ['upper', 'lower'].includes(metric.mode!)) {
+          bucketsPath += `[std_${metric.mode}]`;
+        } else {
+          bucketsPath += `[${metric.type}]`;
+        }
+        break;
+    }
+  }
+
+  return bucketsPath;
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.test.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.test.ts
similarity index 85%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.test.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.test.ts
index 72cf4668c5232..c6c5e0b3c05e4 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.test.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.test.ts
@@ -7,24 +7,28 @@
  */
 
 import { getLastMetric } from './get_last_metric';
+import type { Series } from '../../../../common/types';
 
 describe('getLastMetric(series)', () => {
   test('returns the last metric', () => {
-    const series = {
+    const series = ({
       metrics: [
         { id: 1, type: 'avg' },
         { id: 2, type: 'moving_average' },
       ],
-    };
+    } as unknown) as Series;
+
     expect(getLastMetric(series)).toEqual({ id: 2, type: 'moving_average' });
   });
+
   test('returns the last metric that not a series_agg', () => {
-    const series = {
+    const series = ({
       metrics: [
         { id: 1, type: 'avg' },
         { id: 2, type: 'series_agg' },
       ],
-    };
+    } as unknown) as Series;
+
     expect(getLastMetric(series)).toEqual({ id: 1, type: 'avg' });
   });
 });
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/math.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.ts
similarity index 56%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/math.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.ts
index 5abfc3e26ffcd..0abfd784acf6c 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/math.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.ts
@@ -6,11 +6,9 @@
  * Side Public License, v 1.
  */
 
-import { mathAgg } from '../series/math';
+import { last } from 'lodash';
 
-export function math(bucket, panel, series, meta, extractFields) {
-  return (next) => (results) => {
-    const mathFn = mathAgg({ aggregations: bucket }, panel, series, meta, extractFields);
-    return mathFn(next)(results);
-  };
-}
+import type { Series, Metric } from '../../../../common/types';
+
+export const getLastMetric = (series: Series) =>
+  last(series.metrics.filter((s) => s.type !== 'series_agg')) as Metric;
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_splits.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_splits.ts
similarity index 53%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_splits.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_splits.ts
index 27e7c5c908b9a..6e33d8ab07a42 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_splits.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_splits.ts
@@ -7,22 +7,51 @@
  */
 
 import Color from 'color';
+import { get, isPlainObject } from 'lodash';
+import { overwrite } from '../helpers';
+
 import { calculateLabel } from '../../../../common/calculate_label';
-import _ from 'lodash';
 import { getLastMetric } from './get_last_metric';
 import { formatKey } from './format_key';
 
-const getTimeSeries = (resp, series) =>
-  _.get(resp, `aggregations.timeseries`) || _.get(resp, `aggregations.${series.id}.timeseries`);
+import type { Panel, Series } from '../../../../common/types';
+import type { BaseMeta } from '../request_processors/types';
+
+const getTimeSeries = <TRawResponse = unknown>(resp: TRawResponse, series: Series) =>
+  get(resp, `aggregations.timeseries`) || get(resp, `aggregations.${series.id}.timeseries`);
+
+interface SplittedData<TMeta extends BaseMeta = BaseMeta> {
+  id: string;
+  splitByLabel: string;
+  label: string;
+  color: string;
+  meta: TMeta;
+  timeseries: {
+    buckets: [
+      {
+        [s: string]: {
+          // should be typed
+          values: Record<string, unknown>;
+        };
+      } & { key: string | number }
+    ];
+  };
+}
 
-export async function getSplits(resp, panel, series, meta, extractFields) {
+export async function getSplits<TRawResponse = unknown, TMeta extends BaseMeta = BaseMeta>(
+  resp: TRawResponse,
+  panel: Panel,
+  series: Series,
+  meta: TMeta,
+  extractFields: Function
+): Promise<Array<SplittedData<TMeta>>> {
   if (!meta) {
-    meta = _.get(resp, `aggregations.${series.id}.meta`);
+    meta = get(resp, `aggregations.${series.id}.meta`);
   }
 
   const color = new Color(series.color);
   const metric = getLastMetric(series);
-  const buckets = _.get(resp, `aggregations.${series.id}.buckets`);
+  const buckets = get(resp, `aggregations.${series.id}.buckets`);
   const fieldsForSeries = meta.index ? await extractFields({ id: meta.index }) : [];
   const splitByLabel = calculateLabel(metric, series.metrics, fieldsForSeries);
 
@@ -39,29 +68,30 @@ export async function getSplits(resp, panel, series, meta, extractFields) {
       });
     }
 
-    if (series.split_mode === 'filters' && _.isPlainObject(buckets)) {
-      return series.split_filters.map((filter) => {
-        const bucket = _.get(resp, `aggregations.${series.id}.buckets.${filter.id}`);
+    if (series.split_mode === 'filters' && isPlainObject(buckets)) {
+      return (series.split_filters || []).map((filter) => {
+        const bucket = get(resp, `aggregations.${series.id}.buckets.${filter.id}`);
         bucket.id = `${series.id}:${filter.id}`;
         bucket.key = filter.id;
         bucket.splitByLabel = splitByLabel;
         bucket.color = filter.color;
-        bucket.label = filter.label || filter.filter.query || '*';
+        bucket.label = (filter.label || filter.filter?.query) ?? '*';
         bucket.meta = meta;
         return bucket;
       });
     }
   }
 
-  const timeseries = getTimeSeries(resp, series);
+  const timeseries: SplittedData<TMeta>['timeseries'] = getTimeSeries<TRawResponse>(resp, series);
 
   const mergeObj = {
     timeseries,
   };
+
   series.metrics
     .filter((m) => /_bucket/.test(m.type))
     .forEach((m) => {
-      mergeObj[m.id] = _.get(resp, `aggregations.${series.id}.${m.id}`);
+      overwrite(mergeObj, m.id, get(resp, `aggregations.${series.id}.${m.id}`));
     });
 
   return [
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_timerange_mode.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_timerange_mode.ts
similarity index 51%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_timerange_mode.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_timerange_mode.ts
index 0d5b67790eac7..bdd753b519ee6 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_timerange_mode.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_timerange_mode.ts
@@ -7,48 +7,42 @@
  */
 
 import { PANEL_TYPES, TIME_RANGE_DATA_MODES, TIME_RANGE_MODE_KEY } from '../../../../common/enums';
+import type { Series, Panel } from '../../../../common/types';
 
 const OVERRIDE_INDEX_PATTERN_KEY = 'override_index_pattern';
 
 /**
  * Check if passed 'series' has overridden index pattern or not.
  * @private
- * @param series - specific series
- * @return {boolean}
  */
-const hasOverriddenIndexPattern = (series) => Boolean(series[OVERRIDE_INDEX_PATTERN_KEY]);
+const hasOverriddenIndexPattern = (series?: Series) =>
+  Boolean(series?.[OVERRIDE_INDEX_PATTERN_KEY]);
 
 /**
  * Get value of Time Range Mode for panel
  * @private
- * @param panel - panel configuration
- * @return {string} - value of TIME_RANGE_DATA_MODES type
  */
-const getPanelTimeRangeMode = (panel) => panel[TIME_RANGE_MODE_KEY];
+const getPanelTimeRangeMode = (panel: Panel) => panel[TIME_RANGE_MODE_KEY];
 
 /**
  * Get value of Time Range Mode for series
  * @private
- * @param series - specific series
- * @return {string} - value of TIME_RANGE_DATA_MODES type
  */
-const getSeriesTimeRangeMode = (series) => series[TIME_RANGE_MODE_KEY];
+const getSeriesTimeRangeMode = (series: Series) => series[TIME_RANGE_MODE_KEY];
 
 /**
  * Check if 'Entire Time Range' mode active or not.
  * @public
- * @param panel - panel configuration
- * @param series - specific series
- * @return {boolean}
  */
-export const isEntireTimeRangeMode = (panel, series = {}) => {
+export const isEntireTimeRangeMode = (panel: Panel, series?: Series) => {
   if (panel.type === PANEL_TYPES.TIMESERIES) {
     return false;
   }
 
-  const timeRangeMode = hasOverriddenIndexPattern(series)
-    ? getSeriesTimeRangeMode(series)
-    : getPanelTimeRangeMode(panel);
+  const timeRangeMode =
+    series && hasOverriddenIndexPattern(series)
+      ? getSeriesTimeRangeMode(series)
+      : getPanelTimeRangeMode(panel);
 
   return timeRangeMode === TIME_RANGE_DATA_MODES.ENTIRE_TIME_RANGE;
 };
@@ -56,8 +50,6 @@ export const isEntireTimeRangeMode = (panel, series = {}) => {
 /**
  * Check if 'Last Value Time Range' mode active or not.
  * @public
- * @param panel - panel configuration
- * @param series - specific series
- * @return {boolean}
- */
-export const isLastValueTimerangeMode = (panel, series) => !isEntireTimeRangeMode(panel, series);
+ **/
+export const isLastValueTimerangeMode = (panel: Panel, series?: Series) =>
+  !isEntireTimeRangeMode(panel, series);
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/index.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/index.ts
index 0e365f3004511..41d302422c0b7 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/index.ts
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/index.ts
@@ -10,20 +10,17 @@ export { overwrite } from './overwrite';
 export { getTimerange } from './get_timerange';
 export { getBucketSize } from './get_bucket_size';
 export { mapEmptyToZero } from './map_empty_to_zero';
+export { getActiveSeries } from './get_active_series';
+export { getBucketsPath } from './get_buckets_path';
+export { isEntireTimeRangeMode, isLastValueTimerangeMode } from './get_timerange_mode';
+export { getLastMetric } from './get_last_metric';
+export { getSplits } from './get_splits';
 
-// @ts-expect-error
+// @ts-expect-error no typed yet
 export { bucketTransform } from './bucket_transform';
-// @ts-expect-error
+// @ts-expect-error no typed yet
 export { getAggValue } from './get_agg_value';
-// @ts-expect-error
-export { getBucketsPath } from './get_buckets_path';
-// @ts-expect-error
+// @ts-expect-error no typed yet
 export { getDefaultDecoration } from './get_default_decoration';
-// @ts-expect-error
-export { getLastMetric } from './get_last_metric';
-// @ts-expect-error
+// @ts-expect-error no typed yet
 export { getSiblingAggValue } from './get_sibling_agg_value';
-// @ts-expect-error
-export { getSplits } from './get_splits';
-// @ts-expect-error
-export { parseSettings } from './parse_settings';
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/map_empty_to_zero.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/map_empty_to_zero.ts
index 0490193a76e81..a035d566d130e 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/map_empty_to_zero.ts
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/map_empty_to_zero.ts
@@ -10,8 +10,16 @@
 import { getAggValue } from './get_agg_value';
 import { METRIC_TYPES } from '../../../../../data/common';
 import type { Metric } from '../../../../common/types';
+import type { PanelDataArray } from '../../../../common/types/vis_data';
 
-export const mapEmptyToZero = (metric: Metric, buckets: any[]) => {
+export const mapEmptyToZero = (
+  metric: Metric,
+  buckets: Array<
+    {
+      key: number | string;
+    } & Record<string, unknown>
+  >
+): PanelDataArray[] => {
   // Metric types where an empty set equals `zero`
   const isSettableToZero = [
     METRIC_TYPES.COUNT,
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/parse_settings.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/parse_settings.js
deleted file mode 100644
index 63e9cd2f20ae5..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/parse_settings.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-const numericKeys = ['alpha', 'beta', 'gamma', 'period'];
-const booleanKeys = ['pad'];
-function castBasedOnKey(key, val) {
-  if (~numericKeys.indexOf(key)) return Number(val);
-  if (~booleanKeys.indexOf(key)) {
-    switch (val) {
-      case 'true':
-      case 1:
-      case '1':
-        return true;
-      default:
-        return false;
-    }
-  }
-  return val;
-}
-export const parseSettings = (settingsStr) => {
-  return settingsStr.split(/\s/).reduce((acc, value) => {
-    const [key, val] = value.split(/=/);
-    acc[key] = castBasedOnKey(key, val);
-    return acc;
-  }, {});
-};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/parse_settings.test.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/parse_settings.test.js
deleted file mode 100644
index 51abaa688087c..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/parse_settings.test.js
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { parseSettings } from './parse_settings';
-
-describe('parseSettings', () => {
-  test('returns the true for "true"', () => {
-    const settings = 'pad=true';
-    expect(parseSettings(settings)).toEqual({
-      pad: true,
-    });
-  });
-
-  test('returns the false for "false"', () => {
-    const settings = 'pad=false';
-    expect(parseSettings(settings)).toEqual({
-      pad: false,
-    });
-  });
-
-  test('returns the true for 1', () => {
-    const settings = 'pad=1';
-    expect(parseSettings(settings)).toEqual({
-      pad: true,
-    });
-  });
-
-  test('returns the false for 0', () => {
-    const settings = 'pad=0';
-    expect(parseSettings(settings)).toEqual({
-      pad: false,
-    });
-  });
-
-  test('returns the settings as an object', () => {
-    const settings = 'alpha=0.9 beta=0.4 gamma=0.2 period=5 pad=false type=add';
-    expect(parseSettings(settings)).toEqual({
-      alpha: 0.9,
-      beta: 0.4,
-      gamma: 0.2,
-      period: 5,
-      pad: false,
-      type: 'add',
-    });
-  });
-});
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/timestamp.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/timestamp.ts
index d4974186e99a5..7374b483aeec8 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/timestamp.ts
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/timestamp.ts
@@ -37,7 +37,10 @@ export function getLastSeriesTimestamp(seriesGroup: Array<PanelSeries['series']>
 
       if (lastValue) {
         const [dataLastTimestamp] = lastValue;
-        lastTimestamp = Math.max(dataLastTimestamp, lastTimestamp ?? dataLastTimestamp);
+
+        if (typeof dataLastTimestamp === 'number') {
+          lastTimestamp = Math.max(dataLastTimestamp, lastTimestamp ?? dataLastTimestamp);
+        }
       }
     });
   });
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/calculate_agg_root.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/calculate_agg_root.ts
similarity index 63%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/calculate_agg_root.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/calculate_agg_root.ts
index b6fb04930d904..f30236b05a1a1 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/calculate_agg_root.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/calculate_agg_root.ts
@@ -6,11 +6,15 @@
  * Side Public License, v 1.
  */
 
-import _ from 'lodash';
+import { has } from 'lodash';
 
-export function calculateAggRoot(doc, column) {
+import type { TableSearchRequest } from '../table/types';
+import type { Series } from '../../../../../common/types';
+
+export function calculateAggRoot(doc: TableSearchRequest, column: Series) {
   let aggRoot = `aggs.pivot.aggs.${column.id}.aggs`;
-  if (_.has(doc, `aggs.pivot.aggs.${column.id}.aggs.column_filter`)) {
+
+  if (has(doc, `aggs.pivot.aggs.${column.id}.aggs.column_filter`)) {
     aggRoot = `aggs.pivot.aggs.${column.id}.aggs.column_filter.aggs`;
   }
   return aggRoot;
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/date_histogram.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/date_histogram.js
deleted file mode 100644
index f37c27f74184f..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/date_histogram.js
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { overwrite } from '../../helpers';
-import { getBucketSize } from '../../helpers/get_bucket_size';
-import { isLastValueTimerangeMode } from '../../helpers/get_timerange_mode';
-import { getTimerange } from '../../helpers/get_timerange';
-import { calculateAggRoot } from './calculate_agg_root';
-import { search, UI_SETTINGS } from '../../../../../../../plugins/data/server';
-
-const { dateHistogramInterval } = search.aggs;
-
-export function dateHistogram(
-  req,
-  panel,
-  esQueryConfig,
-  seriesIndex,
-  capabilities,
-  uiSettings,
-  buildSeriesMetaParams
-) {
-  return (next) => async (doc) => {
-    const barTargetUiSettings = await uiSettings.get(UI_SETTINGS.HISTOGRAM_BAR_TARGET);
-    const { timeField, interval } = await buildSeriesMetaParams();
-    const { from, to } = getTimerange(req);
-
-    const meta = {
-      timeField,
-      index: panel.use_kibana_indexes ? seriesIndex.indexPattern?.id : undefined,
-      panelId: panel.id,
-    };
-
-    const overwriteDateHistogramForLastBucketMode = () => {
-      const { intervalString } = getBucketSize(req, interval, capabilities, barTargetUiSettings);
-      const { timezone } = capabilities;
-
-      panel.series.forEach((column) => {
-        const aggRoot = calculateAggRoot(doc, column);
-
-        overwrite(doc, `${aggRoot}.timeseries.date_histogram`, {
-          field: timeField,
-          min_doc_count: 0,
-          time_zone: timezone,
-          extended_bounds: {
-            min: from.valueOf(),
-            max: to.valueOf(),
-          },
-          ...dateHistogramInterval(intervalString),
-        });
-
-        overwrite(doc, aggRoot.replace(/\.aggs$/, '.meta'), {
-          ...meta,
-          intervalString,
-        });
-      });
-    };
-
-    const overwriteDateHistogramForEntireTimerangeMode = () => {
-      const intervalString = `${to.valueOf() - from.valueOf()}ms`;
-
-      panel.series.forEach((column) => {
-        const aggRoot = calculateAggRoot(doc, column);
-
-        overwrite(doc, `${aggRoot}.timeseries.auto_date_histogram`, {
-          field: timeField,
-          buckets: 1,
-        });
-
-        overwrite(doc, aggRoot.replace(/\.aggs$/, '.meta'), {
-          ...meta,
-          intervalString,
-        });
-      });
-    };
-
-    isLastValueTimerangeMode(panel)
-      ? overwriteDateHistogramForLastBucketMode()
-      : overwriteDateHistogramForEntireTimerangeMode();
-
-    return next(doc);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/date_histogram.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/date_histogram.ts
new file mode 100644
index 0000000000000..ac19a266430f3
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/date_histogram.ts
@@ -0,0 +1,85 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { overwrite, getBucketSize, isLastValueTimerangeMode, getTimerange } from '../../helpers';
+import { calculateAggRoot } from './calculate_agg_root';
+import { search, UI_SETTINGS } from '../../../../../../../plugins/data/server';
+
+import type { TableRequestProcessorsFunction, TableSearchRequestMeta } from './types';
+
+const { dateHistogramInterval } = search.aggs;
+
+export const dateHistogram: TableRequestProcessorsFunction = ({
+  req,
+  panel,
+  seriesIndex,
+  capabilities,
+  uiSettings,
+  buildSeriesMetaParams,
+}) => (next) => async (doc) => {
+  const barTargetUiSettings = await uiSettings.get(UI_SETTINGS.HISTOGRAM_BAR_TARGET);
+  const { timeField, interval } = await buildSeriesMetaParams();
+  const { from, to } = getTimerange(req);
+
+  const meta: TableSearchRequestMeta = {
+    timeField,
+    index: panel.use_kibana_indexes ? seriesIndex.indexPattern?.id : undefined,
+    panelId: panel.id,
+  };
+
+  const overwriteDateHistogramForLastBucketMode = () => {
+    const { intervalString } = getBucketSize(req, interval, capabilities, barTargetUiSettings);
+    const { timezone } = capabilities;
+
+    panel.series.forEach((column) => {
+      const aggRoot = calculateAggRoot(doc, column);
+
+      overwrite(doc, `${aggRoot}.timeseries.date_histogram`, {
+        field: timeField,
+        min_doc_count: 0,
+        time_zone: timezone,
+        extended_bounds: {
+          min: from.valueOf(),
+          max: to.valueOf(),
+        },
+        ...dateHistogramInterval(intervalString),
+      });
+
+      overwrite(doc, aggRoot.replace(/\.aggs$/, '.meta'), {
+        ...meta,
+        intervalString,
+      });
+    });
+  };
+
+  const overwriteDateHistogramForEntireTimerangeMode = () => {
+    const intervalString = `${to.valueOf() - from.valueOf()}ms`;
+
+    panel.series.forEach((column) => {
+      const aggRoot = calculateAggRoot(doc, column);
+
+      overwrite(doc, `${aggRoot}.timeseries.auto_date_histogram`, {
+        field: timeField,
+        buckets: 1,
+      });
+
+      overwrite(doc, aggRoot.replace(/\.aggs$/, '.meta'), {
+        ...meta,
+        intervalString,
+      });
+    });
+  };
+
+  if (isLastValueTimerangeMode(panel)) {
+    overwriteDateHistogramForLastBucketMode();
+  } else {
+    overwriteDateHistogramForEntireTimerangeMode();
+  }
+
+  return next(doc);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/filter_ratios.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/filter_ratios.ts
similarity index 78%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/filter_ratios.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/filter_ratios.ts
index e15330334639f..e8fb684ef4b6c 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/filter_ratios.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/filter_ratios.ts
@@ -7,13 +7,21 @@
  */
 
 import { esQuery } from '../../../../../../data/server';
-import { bucketTransform } from '../../helpers/bucket_transform';
-import { overwrite } from '../../helpers';
+import { overwrite, bucketTransform } from '../../helpers';
 import { calculateAggRoot } from './calculate_agg_root';
 
-const filter = (metric) => metric.type === 'filter_ratio';
+import type { TableRequestProcessorsFunction } from './types';
+import type { Metric } from '../../../../../common/types';
+
+const filter = (metric: Metric) => metric.type === 'filter_ratio';
+
+export const filterRatios: TableRequestProcessorsFunction = ({
+  panel,
+  esQueryConfig,
+  seriesIndex,
+}) => {
+  const indexPattern = seriesIndex.indexPattern || undefined;
 
-export function ratios(req, panel, esQueryConfig, seriesIndex) {
   return (next) => (doc) => {
     panel.series.forEach((column) => {
       const aggRoot = calculateAggRoot(doc, column);
@@ -22,12 +30,12 @@ export function ratios(req, panel, esQueryConfig, seriesIndex) {
           overwrite(
             doc,
             `${aggRoot}.timeseries.aggs.${metric.id}-numerator.filter`,
-            esQuery.buildEsQuery(seriesIndex.indexPattern, metric.numerator, [], esQueryConfig)
+            esQuery.buildEsQuery(indexPattern, metric.numerator!, [], esQueryConfig)
           );
           overwrite(
             doc,
             `${aggRoot}.timeseries.aggs.${metric.id}-denominator.filter`,
-            esQuery.buildEsQuery(seriesIndex.indexPattern, metric.denominator, [], esQueryConfig)
+            esQuery.buildEsQuery(indexPattern, metric.denominator!, [], esQueryConfig)
           );
 
           let numeratorPath = `${metric.id}-numerator>_count`;
@@ -61,4 +69,4 @@ export function ratios(req, panel, esQueryConfig, seriesIndex) {
     });
     return next(doc);
   };
-}
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/index.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/index.js
deleted file mode 100644
index 708e76c74bda0..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/index.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { pivot } from './pivot';
-import { query } from './query';
-import { splitByEverything } from './split_by_everything';
-import { splitByTerms } from './split_by_terms';
-import { dateHistogram } from './date_histogram';
-import { metricBuckets } from './metric_buckets';
-import { siblingBuckets } from './sibling_buckets';
-import { ratios as filterRatios } from './filter_ratios';
-import { normalizeQuery } from './normalize_query';
-import { positiveRate } from './positive_rate';
-
-export const processors = [
-  query,
-  pivot,
-  splitByTerms,
-  splitByEverything,
-  dateHistogram,
-  metricBuckets,
-  siblingBuckets,
-  filterRatios,
-  positiveRate,
-  normalizeQuery,
-];
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/index.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/index.ts
new file mode 100644
index 0000000000000..4c01ebe5cae36
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/index.ts
@@ -0,0 +1,18 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+export { pivot } from './pivot';
+export { query } from './query';
+export { splitByEverything } from './split_by_everything';
+export { splitByTerms } from './split_by_terms';
+export { dateHistogram } from './date_histogram';
+export { metricBuckets } from './metric_buckets';
+export { siblingBuckets } from './sibling_buckets';
+export { filterRatios } from './filter_ratios';
+export { normalizeQuery } from './normalize_query';
+export { positiveRate } from './positive_rate';
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/metric_buckets.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/metric_buckets.js
deleted file mode 100644
index 8e0d0060225ff..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/metric_buckets.js
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { get } from 'lodash';
-import { overwrite } from '../../helpers';
-import { bucketTransform } from '../../helpers/bucket_transform';
-import { calculateAggRoot } from './calculate_agg_root';
-
-export function metricBuckets(req, panel) {
-  return (next) => async (doc) => {
-    panel.series.forEach((column) => {
-      const aggRoot = calculateAggRoot(doc, column);
-      column.metrics
-        .filter((row) => !/_bucket$/.test(row.type) && !/^series/.test(row.type))
-        .forEach((metric) => {
-          const fn = bucketTransform[metric.type];
-          if (fn) {
-            try {
-              const intervalString = get(doc, aggRoot.replace(/\.aggs$/, '.meta.intervalString'));
-              const bucket = fn(metric, column.metrics, intervalString);
-
-              overwrite(doc, `${aggRoot}.timeseries.aggs.${metric.id}`, bucket);
-            } catch (e) {
-              // meh
-            }
-          }
-        });
-    });
-    return next(doc);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/metric_buckets.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/metric_buckets.ts
new file mode 100644
index 0000000000000..511c03d609132
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/metric_buckets.ts
@@ -0,0 +1,38 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { get } from 'lodash';
+import { overwrite, bucketTransform } from '../../helpers';
+import { calculateAggRoot } from './calculate_agg_root';
+
+import type { TableRequestProcessorsFunction } from './types';
+
+export const metricBuckets: TableRequestProcessorsFunction = ({ req, panel }) => (next) => async (
+  doc
+) => {
+  panel.series.forEach((column) => {
+    const aggRoot = calculateAggRoot(doc, column);
+    column.metrics
+      .filter((row) => !/_bucket$/.test(row.type) && !/^series/.test(row.type))
+      .forEach((metric) => {
+        const fn = bucketTransform[metric.type];
+        if (fn) {
+          try {
+            const intervalString = get(doc, aggRoot.replace(/\.aggs$/, '.meta.intervalString'));
+            const bucket = fn(metric, column.metrics, intervalString);
+
+            overwrite(doc, `${aggRoot}.timeseries.aggs.${metric.id}`, bucket);
+          } catch (e) {
+            // meh
+          }
+        }
+      });
+  });
+
+  return next(doc);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.test.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.test.ts
similarity index 74%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.test.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.test.ts
index 71381f32599e3..7b42af173441e 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.test.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.test.ts
@@ -7,17 +7,24 @@
  */
 
 import { normalizeQuery } from './normalize_query';
+import { overwrite } from '../../helpers';
+
+import {
+  TableRequestProcessorsFunction,
+  TableRequestProcessorsParams,
+  TableSearchRequest,
+} from './types';
 
 describe('normalizeQuery', () => {
-  const req = 'req';
   const seriesId = '61ca57f1-469d-11e7-af02-69e470af7417';
   const panelId = '39d49073-a924-426b-aa32-35acb40a9bb7';
+  const tableRequestProcessorsParams = {} as TableRequestProcessorsParams;
 
-  let next;
-  let panel;
-  let series;
+  const next = (jest.fn((x) => x) as unknown) as ReturnType<
+    ReturnType<TableRequestProcessorsFunction>
+  >;
 
-  const getMockedDoc = () => ({
+  const getMockedDoc = (): TableSearchRequest => ({
     size: 0,
     query: {},
     aggs: {
@@ -65,22 +72,14 @@ describe('normalizeQuery', () => {
     },
   });
 
-  beforeEach(() => {
-    next = jest.fn((x) => x);
-    panel = {};
-    series = {
-      id: seriesId,
-    };
-  });
-
-  test('should remove the top level aggregation if filter.match_all is empty', () => {
+  test('should remove the top level aggregation if filter.match_all is empty', async () => {
     const doc = getMockedDoc();
 
-    doc.aggs.pivot.aggs[seriesId].filter = {
+    overwrite(doc, `aggs.pivot.aggs.${seriesId}.filter`, {
       match_all: {},
-    };
+    });
 
-    const modifiedDoc = normalizeQuery(req, panel, series)(next)(doc);
+    const modifiedDoc = await normalizeQuery(tableRequestProcessorsParams)(next)(doc);
     expect(modifiedDoc.aggs.pivot.aggs[seriesId].aggs.timeseries).toBeUndefined();
     expect(modifiedDoc.aggs.pivot.aggs[seriesId].aggs[seriesId]).toBeDefined();
 
@@ -93,33 +92,34 @@ describe('normalizeQuery', () => {
     });
   });
 
-  test('should not remove the top level aggregation if filter.match_all is not empty', () => {
+  test('should not remove the top level aggregation if filter.match_all is not empty', async () => {
     const doc = getMockedDoc();
 
-    doc.aggs.pivot.aggs[seriesId].filter = {
+    overwrite(doc, `aggs.pivot.aggs.${seriesId}.filter`, {
       match_all: { filter: 1 },
-    };
+    });
 
-    const modifiedDoc = normalizeQuery(req, panel, series)(next)(doc);
+    const modifiedDoc = await normalizeQuery(tableRequestProcessorsParams)(next)(doc);
 
     expect(modifiedDoc.aggs.pivot.aggs[seriesId].aggs.timeseries).toBeDefined();
     expect(modifiedDoc.aggs.pivot.aggs[seriesId].aggs[seriesId]).toBeUndefined();
   });
 
-  test('should not remove the top level aggregation for Sibling Pipeline queries', () => {
+  test('should not remove the top level aggregation for Sibling Pipeline queries', async () => {
     const doc = getMockedDoc();
     const pipelineId = 'd4167fe0-afb0-11e9-b141-7b94c69f37eb';
 
-    doc.aggs.pivot.aggs[seriesId].filter = {
+    overwrite(doc, `aggs.pivot.aggs[${seriesId}].filter`, {
       match_all: {},
-    };
-    doc.aggs.pivot.aggs[seriesId].aggs[pipelineId] = {
+    });
+
+    overwrite(doc, `aggs.pivot.aggs[${seriesId}].aggs[${pipelineId}]`, {
       extended_stats_bucket: {
         buckets_path: 'timeseries>61ca57f2-469d-11e7-af02-69e470af7417',
       },
-    };
+    });
 
-    const modifiedDoc = normalizeQuery(req, panel, series)(next)(doc);
+    const modifiedDoc = await normalizeQuery(tableRequestProcessorsParams)(next)(doc);
 
     expect(modifiedDoc.aggs.pivot.aggs[seriesId].aggs.timeseries).toBeDefined();
     expect(modifiedDoc.aggs.pivot.aggs[seriesId].aggs[seriesId]).toBeUndefined();
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.ts
similarity index 61%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.ts
index 0251b6ed96426..7188f7c792561 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/normalize_query.ts
@@ -6,10 +6,16 @@
  * Side Public License, v 1.
  */
 
-import _ from 'lodash';
+import { get, forEach, isEmpty } from 'lodash';
 import { overwrite } from '../../helpers';
-const isEmptyFilter = (filter = {}) => Boolean(filter.match_all) && _.isEmpty(filter.match_all);
-const hasSiblingPipelineAggregation = (aggs = {}) => Object.keys(aggs).length > 1;
+
+import type { TableRequestProcessorsFunction } from './types';
+
+const isEmptyFilter = (filter: { match_all?: string }) =>
+  filter && Boolean(filter.match_all) && isEmpty(filter.match_all);
+
+const hasSiblingPipelineAggregation = (aggs: Record<string, unknown> = {}) =>
+  Object.keys(aggs).length > 1;
 
 /* Last query handler in the chain. You can use this handler
  * as the last place where you can modify the "doc" (request body) object before sending it to ES.
@@ -17,20 +23,23 @@ const hasSiblingPipelineAggregation = (aggs = {}) => Object.keys(aggs).length >
  * Important: for Sibling Pipeline aggregation we cannot apply this logic
  *
  */
-export function normalizeQuery() {
+export const normalizeQuery: TableRequestProcessorsFunction = () => {
   return () => (doc) => {
-    const series = _.get(doc, 'aggs.pivot.aggs');
+    const series = get(doc, 'aggs.pivot.aggs') as Array<{
+      aggs: Record<string, unknown>;
+    }>;
     const normalizedSeries = {};
 
-    _.forEach(series, (value, seriesId) => {
-      const filter = _.get(value, `filter`);
+    forEach(series, (value, seriesId) => {
+      const filter = get(value, `filter`);
 
       if (isEmptyFilter(filter) && !hasSiblingPipelineAggregation(value.aggs)) {
-        const agg = _.get(value, 'aggs.timeseries');
+        const agg = get(value, 'aggs.timeseries');
         const meta = {
-          ..._.get(value, 'meta'),
+          ...get(value, 'meta'),
           seriesId,
         };
+
         overwrite(normalizedSeries, `${seriesId}`, agg);
         overwrite(normalizedSeries, `${seriesId}.meta`, meta);
       } else {
@@ -42,4 +51,4 @@ export function normalizeQuery() {
 
     return doc;
   };
-}
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/pivot.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/pivot.js
deleted file mode 100644
index 3f7fc7840c6fd..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/pivot.js
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { get, last } from 'lodash';
-import { overwrite } from '../../helpers';
-
-import { basicAggs } from '../../../../../common/basic_aggs';
-import { getBucketsPath } from '../../helpers/get_buckets_path';
-import { bucketTransform } from '../../helpers/bucket_transform';
-
-export function pivot(req, panel) {
-  return (next) => (doc) => {
-    const { sort } = req.body.state;
-
-    if (panel.pivot_id) {
-      overwrite(doc, 'aggs.pivot.terms.field', panel.pivot_id);
-      overwrite(doc, 'aggs.pivot.terms.size', panel.pivot_rows);
-      if (sort) {
-        const series = panel.series.find((item) => item.id === sort.column);
-        const metric = series && last(series.metrics);
-        if (metric && metric.type === 'count') {
-          overwrite(doc, 'aggs.pivot.terms.order', { _count: sort.order });
-        } else if (metric && basicAggs.includes(metric.type)) {
-          const sortAggKey = `${metric.id}-SORT`;
-          const fn = bucketTransform[metric.type];
-          const bucketPath = getBucketsPath(metric.id, series.metrics).replace(
-            metric.id,
-            sortAggKey
-          );
-          overwrite(doc, `aggs.pivot.terms.order`, { [bucketPath]: sort.order });
-          overwrite(doc, `aggs.pivot.aggs`, { [sortAggKey]: fn(metric) });
-        } else {
-          overwrite(doc, 'aggs.pivot.terms.order', {
-            _key: get(sort, 'order', 'asc'),
-          });
-        }
-      }
-    } else {
-      overwrite(doc, 'aggs.pivot.filter.match_all', {});
-    }
-    return next(doc);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/pivot.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/pivot.ts
new file mode 100644
index 0000000000000..fad14b8c439cf
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/pivot.ts
@@ -0,0 +1,44 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { get, last } from 'lodash';
+import { overwrite, getBucketsPath, bucketTransform } from '../../helpers';
+
+import { basicAggs } from '../../../../../common/basic_aggs';
+
+import type { TableRequestProcessorsFunction } from './types';
+
+export const pivot: TableRequestProcessorsFunction = ({ req, panel }) => (next) => (doc) => {
+  const { sort } = req.body.state;
+
+  if (panel.pivot_id) {
+    overwrite(doc, 'aggs.pivot.terms.field', panel.pivot_id);
+    overwrite(doc, 'aggs.pivot.terms.size', panel.pivot_rows);
+    if (sort) {
+      const series = panel.series.find((item) => item.id === sort.column);
+      const metric = series && last(series.metrics);
+      if (metric && metric.type === 'count') {
+        overwrite(doc, 'aggs.pivot.terms.order', { _count: sort.order });
+      } else if (metric && series && basicAggs.includes(metric.type)) {
+        const sortAggKey = `${metric.id}-SORT`;
+        const fn = bucketTransform[metric.type];
+        const bucketPath = getBucketsPath(metric.id, series.metrics).replace(metric.id, sortAggKey);
+        overwrite(doc, `aggs.pivot.terms.order`, { [bucketPath]: sort.order });
+        overwrite(doc, `aggs.pivot.aggs`, { [sortAggKey]: fn(metric) });
+      } else {
+        overwrite(doc, 'aggs.pivot.terms.order', {
+          _key: get(sort, 'order', 'asc'),
+        });
+      }
+    }
+  } else {
+    overwrite(doc, 'aggs.pivot.filter.match_all', {});
+  }
+
+  return next(doc);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/positive_rate.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/positive_rate.js
deleted file mode 100644
index dafb2741d6ab4..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/positive_rate.js
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { getBucketSize } from '../../helpers/get_bucket_size';
-import { calculateAggRoot } from './calculate_agg_root';
-import { createPositiveRate, filter } from '../series/positive_rate';
-import { UI_SETTINGS } from '../../../../../../data/common';
-
-export function positiveRate(
-  req,
-  panel,
-  esQueryConfig,
-  seriesIndex,
-  capabilities,
-  uiSettings,
-  buildSeriesMetaParams
-) {
-  return (next) => async (doc) => {
-    const barTargetUiSettings = await uiSettings.get(UI_SETTINGS.HISTOGRAM_BAR_TARGET);
-    const { interval } = await buildSeriesMetaParams();
-    const { intervalString } = getBucketSize(req, interval, capabilities, barTargetUiSettings);
-
-    panel.series.forEach((column) => {
-      const aggRoot = calculateAggRoot(doc, column);
-      column.metrics.filter(filter).forEach(createPositiveRate(doc, intervalString, aggRoot));
-    });
-    return next(doc);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/positive_rate.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/positive_rate.ts
new file mode 100644
index 0000000000000..a9f6a7301b1a2
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/positive_rate.ts
@@ -0,0 +1,34 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { getBucketSize } from '../../helpers/get_bucket_size';
+import { calculateAggRoot } from './calculate_agg_root';
+import { UI_SETTINGS } from '../../../../../../data/common';
+
+import type { TableRequestProcessorsFunction } from './types';
+
+// @ts-expect-error not typed yet
+import { createPositiveRate, filter } from '../series/positive_rate';
+
+export const positiveRate: TableRequestProcessorsFunction = ({
+  req,
+  panel,
+  capabilities,
+  uiSettings,
+  buildSeriesMetaParams,
+}) => (next) => async (doc) => {
+  const barTargetUiSettings = await uiSettings.get(UI_SETTINGS.HISTOGRAM_BAR_TARGET);
+  const { interval } = await buildSeriesMetaParams();
+  const { intervalString } = getBucketSize(req, interval, capabilities, barTargetUiSettings);
+
+  panel.series.forEach((column) => {
+    const aggRoot = calculateAggRoot(doc, column);
+    column.metrics.filter(filter).forEach(createPositiveRate(doc, intervalString, aggRoot));
+  });
+  return next(doc);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/query.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/query.js
deleted file mode 100644
index 7e555557ee1f7..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/query.js
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { getTimerange } from '../../helpers/get_timerange';
-import { esQuery } from '../../../../../../data/server';
-
-export function query(
-  req,
-  panel,
-  esQueryConfig,
-  seriesIndex,
-  capabilities,
-  uiSettings,
-  buildSeriesMetaParams
-) {
-  return (next) => async (doc) => {
-    const { timeField } = await buildSeriesMetaParams();
-    const { from, to } = getTimerange(req);
-
-    doc.size = 0;
-
-    const queries = !panel.ignore_global_filter ? req.body.query : [];
-    const filters = !panel.ignore_global_filter ? req.body.filters : [];
-    doc.query = esQuery.buildEsQuery(seriesIndex.indexPattern, queries, filters, esQueryConfig);
-
-    const timerange = {
-      range: {
-        [timeField]: {
-          gte: from.toISOString(),
-          lte: to.toISOString(),
-          format: 'strict_date_optional_time',
-        },
-      },
-    };
-    doc.query.bool.must.push(timerange);
-    if (panel.filter) {
-      doc.query.bool.must.push(
-        esQuery.buildEsQuery(seriesIndex.indexPattern, [panel.filter], [], esQueryConfig)
-      );
-    }
-
-    return next(doc);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/query.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/query.ts
new file mode 100644
index 0000000000000..c6419ae3da159
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/query.ts
@@ -0,0 +1,52 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { getTimerange, overwrite } from '../../helpers';
+import { esQuery } from '../../../../../../data/server';
+import type { TableRequestProcessorsFunction } from './types';
+
+export const query: TableRequestProcessorsFunction = ({
+  req,
+  panel,
+  esQueryConfig,
+  seriesIndex,
+  buildSeriesMetaParams,
+}) => (next) => async (doc) => {
+  const { timeField } = await buildSeriesMetaParams();
+  const { from, to } = getTimerange(req);
+  const indexPattern = seriesIndex.indexPattern || undefined;
+
+  doc.size = 0;
+
+  const queries = !panel.ignore_global_filter ? req.body.query : [];
+  const filters = !panel.ignore_global_filter ? req.body.filters : [];
+  doc.query = esQuery.buildEsQuery(indexPattern, queries, filters, esQueryConfig);
+
+  const boolFilters: unknown[] = [];
+
+  if (timeField) {
+    const timerange = {
+      range: {
+        [timeField]: {
+          gte: from.toISOString(),
+          lte: to.toISOString(),
+          format: 'strict_date_optional_time',
+        },
+      },
+    };
+
+    boolFilters.push(timerange);
+  }
+  if (panel.filter) {
+    boolFilters.push(esQuery.buildEsQuery(indexPattern, [panel.filter], [], esQueryConfig));
+  }
+
+  overwrite(doc, 'query.bool.must', boolFilters);
+
+  return next(doc);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/sibling_buckets.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/sibling_buckets.js
deleted file mode 100644
index 6ce956c490900..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/sibling_buckets.js
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { overwrite } from '../../helpers';
-import { bucketTransform } from '../../helpers/bucket_transform';
-import { calculateAggRoot } from './calculate_agg_root';
-import { get } from 'lodash';
-
-export function siblingBuckets(req, panel) {
-  return (next) => async (doc) => {
-    panel.series.forEach((column) => {
-      const aggRoot = calculateAggRoot(doc, column);
-      column.metrics
-        .filter((row) => /_bucket$/.test(row.type))
-        .forEach((metric) => {
-          const fn = bucketTransform[metric.type];
-          if (fn) {
-            try {
-              const intervalString = get(doc, aggRoot.replace(/\.aggs$/, '.meta.intervalString'));
-              const bucket = fn(metric, column.metrics, intervalString);
-
-              overwrite(doc, `${aggRoot}.${metric.id}`, bucket);
-            } catch (e) {
-              // meh
-            }
-          }
-        });
-    });
-    return next(doc);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/sibling_buckets.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/sibling_buckets.ts
new file mode 100644
index 0000000000000..af9bbdb5ce603
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/sibling_buckets.ts
@@ -0,0 +1,38 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+import { get } from 'lodash';
+import { overwrite, bucketTransform } from '../../helpers';
+import { calculateAggRoot } from './calculate_agg_root';
+import type { TableRequestProcessorsFunction } from './types';
+
+export const siblingBuckets: TableRequestProcessorsFunction = ({ panel }) => (next) => async (
+  doc
+) => {
+  panel.series.forEach((column) => {
+    const aggRoot = calculateAggRoot(doc, column);
+
+    column.metrics
+      .filter((row) => /_bucket$/.test(row.type))
+      .forEach((metric) => {
+        const fn = bucketTransform[metric.type];
+
+        if (fn) {
+          try {
+            const intervalString = get(doc, aggRoot.replace(/\.aggs$/, '.meta.intervalString'));
+            const bucket = fn(metric, column.metrics, intervalString);
+
+            overwrite(doc, `${aggRoot}.${metric.id}`, bucket);
+          } catch (e) {
+            // meh
+          }
+        }
+      });
+  });
+
+  return next(doc);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_everything.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_everything.js
deleted file mode 100644
index cda022294507f..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_everything.js
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { overwrite } from '../../helpers';
-import { esQuery } from '../../../../../../data/server';
-
-export function splitByEverything(req, panel, esQueryConfig, seriesIndex) {
-  return (next) => (doc) => {
-    panel.series
-      .filter((c) => !(c.aggregate_by && c.aggregate_function))
-      .forEach((column) => {
-        if (column.filter) {
-          overwrite(
-            doc,
-            `aggs.pivot.aggs.${column.id}.filter`,
-            esQuery.buildEsQuery(seriesIndex.indexPattern, [column.filter], [], esQueryConfig)
-          );
-        } else {
-          overwrite(doc, `aggs.pivot.aggs.${column.id}.filter.match_all`, {});
-        }
-      });
-    return next(doc);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_everything.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_everything.ts
new file mode 100644
index 0000000000000..79efa7715f75a
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_everything.ts
@@ -0,0 +1,36 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { overwrite } from '../../helpers';
+import { esQuery } from '../../../../../../data/server';
+
+import type { TableRequestProcessorsFunction } from './types';
+
+export const splitByEverything: TableRequestProcessorsFunction = ({
+  panel,
+  esQueryConfig,
+  seriesIndex,
+}) => (next) => (doc) => {
+  const indexPattern = seriesIndex.indexPattern || undefined;
+
+  panel.series
+    .filter((c) => !(c.aggregate_by && c.aggregate_function))
+    .forEach((column) => {
+      if (column.filter) {
+        overwrite(
+          doc,
+          `aggs.pivot.aggs.${column.id}.filter`,
+          esQuery.buildEsQuery(indexPattern, [column.filter], [], esQueryConfig)
+        );
+      } else {
+        overwrite(doc, `aggs.pivot.aggs.${column.id}.filter.match_all`, {});
+      }
+    });
+
+  return next(doc);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_terms.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_terms.ts
similarity index 74%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_terms.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_terms.ts
index b3afc334ac2dd..35b0ba50a05b9 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_terms.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/split_by_terms.ts
@@ -9,7 +9,15 @@
 import { overwrite } from '../../helpers';
 import { esQuery } from '../../../../../../data/server';
 
-export function splitByTerms(req, panel, esQueryConfig, seriesIndex) {
+import type { TableRequestProcessorsFunction } from './types';
+
+export const splitByTerms: TableRequestProcessorsFunction = ({
+  panel,
+  esQueryConfig,
+  seriesIndex,
+}) => {
+  const indexPattern = seriesIndex.indexPattern || undefined;
+
   return (next) => (doc) => {
     panel.series
       .filter((c) => c.aggregate_by && c.aggregate_function)
@@ -21,10 +29,10 @@ export function splitByTerms(req, panel, esQueryConfig, seriesIndex) {
           overwrite(
             doc,
             `aggs.pivot.aggs.${column.id}.column_filter.filter`,
-            esQuery.buildEsQuery(seriesIndex.indexPattern, [column.filter], [], esQueryConfig)
+            esQuery.buildEsQuery(indexPattern, [column.filter], [], esQueryConfig)
           );
         }
       });
     return next(doc);
   };
-}
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/types.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/types.ts
new file mode 100644
index 0000000000000..d47d3fe34c9b1
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/table/types.ts
@@ -0,0 +1,42 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import type { IUiSettingsClient } from 'kibana/server';
+import type { FetchedIndexPattern, Panel } from '../../../../../common/types';
+import type { EsQueryConfig } from '../../../../../../data/common';
+import type { SearchCapabilities } from '../../../search_strategies';
+import type { VisTypeTimeseriesVisDataRequest } from '../../../../types';
+
+import type { ProcessorFunction } from '../../build_processor_function';
+import type { BaseMeta } from '../types';
+
+export interface TableRequestProcessorsParams {
+  req: VisTypeTimeseriesVisDataRequest;
+  panel: Panel;
+  esQueryConfig: EsQueryConfig;
+  seriesIndex: FetchedIndexPattern;
+  capabilities: SearchCapabilities;
+  uiSettings: IUiSettingsClient;
+  buildSeriesMetaParams: () => Promise<{
+    maxBars: number;
+    timeField?: string;
+    interval: string;
+  }>;
+}
+
+export interface TableSearchRequestMeta extends BaseMeta {
+  panelId?: string;
+  timeField?: string;
+}
+
+export type TableSearchRequest = Record<string, any>;
+
+export type TableRequestProcessorsFunction = ProcessorFunction<
+  TableRequestProcessorsParams,
+  TableSearchRequest
+>;
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/types.ts
similarity index 72%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/types.ts
index e78dd0e83129c..58124c825e916 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/helpers/get_last_metric.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/request_processors/types.ts
@@ -6,8 +6,6 @@
  * Side Public License, v 1.
  */
 
-import _ from 'lodash';
-
-export function getLastMetric(series) {
-  return _.last(series.metrics.filter((s) => s.type !== 'series_agg'));
+export interface BaseMeta {
+  index?: string;
 }
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/drop_last_bucket.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/drop_last_bucket.js
deleted file mode 100644
index ac05f279d0394..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/drop_last_bucket.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { dropLastBucket } from '../series/drop_last_bucket';
-import { isLastValueTimerangeMode } from '../../helpers/get_timerange_mode';
-
-export function dropLastBucketFn(bucket, panel, series) {
-  return (next) => (results) => {
-    const shouldDropLastBucket = isLastValueTimerangeMode(panel);
-
-    if (shouldDropLastBucket) {
-      const fn = dropLastBucket({ aggregations: bucket }, panel, series);
-
-      return fn(next)(results);
-    }
-
-    return next(results);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/drop_last_bucket.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/drop_last_bucket.ts
new file mode 100644
index 0000000000000..3c7d46b172300
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/drop_last_bucket.ts
@@ -0,0 +1,28 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { isLastValueTimerangeMode } from '../../helpers';
+
+// @ts-expect-error no typed yet
+import { dropLastBucket } from '../series/drop_last_bucket';
+
+import type { TableResponseProcessorsFunction } from './types';
+
+export const dropLastBucketFn: TableResponseProcessorsFunction = ({ bucket, panel, series }) => (
+  next
+) => (results) => {
+  const shouldDropLastBucket = isLastValueTimerangeMode(panel);
+
+  if (shouldDropLastBucket) {
+    const fn = dropLastBucket({ aggregations: bucket }, panel, series);
+
+    return fn(next)(results);
+  }
+
+  return next(results);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/index.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/index.js
deleted file mode 100644
index ec54dd61288a6..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/index.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { stdMetric } from './std_metric';
-import { stdSibling } from './std_sibling';
-import { seriesAgg } from './series_agg';
-import { percentile } from './percentile';
-import { percentileRank } from './percentile_rank';
-
-import { math } from './math';
-import { dropLastBucketFn } from './drop_last_bucket';
-
-export const processors = [
-  percentile,
-  percentileRank,
-  stdMetric,
-  stdSibling,
-  math,
-  seriesAgg,
-  dropLastBucketFn,
-];
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/index.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/index.ts
new file mode 100644
index 0000000000000..726abef6889de
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/index.ts
@@ -0,0 +1,15 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+export { stdMetric } from './std_metric';
+export { stdSibling } from './std_sibling';
+export { seriesAgg } from './series_agg';
+export { percentile } from './percentile';
+export { percentileRank } from './percentile_rank';
+export { math } from './math';
+export { dropLastBucketFn } from './drop_last_bucket';
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/math.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/math.ts
new file mode 100644
index 0000000000000..b806d93a691a4
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/math.ts
@@ -0,0 +1,23 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+// @ts-expect-error no typed yet
+import { mathAgg } from '../series/math';
+
+import type { TableResponseProcessorsFunction } from './types';
+
+export const math: TableResponseProcessorsFunction = ({
+  bucket,
+  panel,
+  series,
+  meta,
+  extractFields,
+}) => (next) => (results) => {
+  const mathFn = mathAgg({ aggregations: bucket }, panel, series, meta, extractFields);
+  return mathFn(next)(results);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile.js
deleted file mode 100644
index 7a8a945ac4c48..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile.js
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { last } from 'lodash';
-import { getSplits } from '../../helpers/get_splits';
-import { getLastMetric } from '../../helpers/get_last_metric';
-import { toPercentileNumber } from '../../../../../common/to_percentile_number';
-import { METRIC_TYPES } from '../../../../../common/enums';
-
-export function percentile(bucket, panel, series, meta, extractFields) {
-  return (next) => async (results) => {
-    const metric = getLastMetric(series);
-
-    if (metric.type !== METRIC_TYPES.PERCENTILE) {
-      return next(results);
-    }
-
-    const fakeResp = {
-      aggregations: bucket,
-    };
-
-    (await getSplits(fakeResp, panel, series, meta, extractFields)).forEach((split) => {
-      // table allows only one percentile in a series (the last one will be chosen in case of several)
-      const percentile = last(metric.percentiles);
-      const percentileKey = toPercentileNumber(percentile.value);
-      const data = split.timeseries.buckets.map((bucket) => [
-        bucket.key,
-        bucket[metric.id].values[percentileKey],
-      ]);
-
-      results.push({
-        id: split.id,
-        label: `${split.label} (${percentile.value ?? 0})`,
-        data,
-      });
-    });
-
-    return next(results);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile.ts
new file mode 100644
index 0000000000000..6514267ee0ec3
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile.ts
@@ -0,0 +1,51 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { last } from 'lodash';
+import { getSplits, getLastMetric } from '../../helpers';
+import { toPercentileNumber } from '../../../../../common/to_percentile_number';
+import { METRIC_TYPES } from '../../../../../common/enums';
+
+import type { TableResponseProcessorsFunction } from './types';
+import type { PanelDataArray } from '../../../../../common/types/vis_data';
+
+export const percentile: TableResponseProcessorsFunction = ({
+  bucket,
+  panel,
+  series,
+  meta,
+  extractFields,
+}) => (next) => async (results) => {
+  const metric = getLastMetric(series);
+
+  if (metric.type !== METRIC_TYPES.PERCENTILE) {
+    return next(results);
+  }
+
+  const fakeResp = {
+    aggregations: bucket,
+  };
+
+  (await getSplits(fakeResp, panel, series, meta, extractFields)).forEach((split) => {
+    // table allows only one percentile in a series (the last one will be chosen in case of several)
+    const lastPercentile = last(metric.percentiles)?.value ?? 0;
+    const percentileKey = toPercentileNumber(lastPercentile);
+    const data = split.timeseries.buckets.map((b) => [
+      b.key,
+      b[metric.id].values[percentileKey],
+    ]) as PanelDataArray[];
+
+    results.push({
+      id: split.id,
+      label: `${split.label} (${lastPercentile ?? 0})`,
+      data: data!,
+    });
+  });
+
+  return next(results);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile_rank.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile_rank.js
deleted file mode 100644
index 000812bfac026..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile_rank.js
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { last } from 'lodash';
-import { getSplits } from '../../helpers/get_splits';
-import { getLastMetric } from '../../helpers/get_last_metric';
-import { toPercentileNumber } from '../../../../../common/to_percentile_number';
-import { getAggValue } from '../../helpers/get_agg_value';
-import { METRIC_TYPES } from '../../../../../common/enums';
-
-export function percentileRank(bucket, panel, series, meta, extractFields) {
-  return (next) => async (results) => {
-    const metric = getLastMetric(series);
-
-    if (metric.type !== METRIC_TYPES.PERCENTILE_RANK) {
-      return next(results);
-    }
-
-    const fakeResp = {
-      aggregations: bucket,
-    };
-
-    (await getSplits(fakeResp, panel, series, meta, extractFields)).forEach((split) => {
-      // table allows only one percentile rank in a series (the last one will be chosen in case of several)
-      const lastRankValue = last(metric.values);
-      const percentileRank = toPercentileNumber(lastRankValue);
-
-      const data = split.timeseries.buckets.map((bucket) => [
-        bucket.key,
-        getAggValue(bucket, {
-          ...metric,
-          value: percentileRank,
-        }),
-      ]);
-
-      results.push({
-        data,
-        id: split.id,
-        label: `${split.label} (${lastRankValue ?? 0})`,
-      });
-    });
-
-    return next(results);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile_rank.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile_rank.ts
new file mode 100644
index 0000000000000..73e177e21e756
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/percentile_rank.ts
@@ -0,0 +1,55 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { last } from 'lodash';
+import { getSplits, getAggValue, getLastMetric } from '../../helpers';
+import { toPercentileNumber } from '../../../../../common/to_percentile_number';
+import { METRIC_TYPES } from '../../../../../common/enums';
+
+import type { TableResponseProcessorsFunction } from './types';
+import type { PanelDataArray } from '../../../../../common/types/vis_data';
+
+export const percentileRank: TableResponseProcessorsFunction = ({
+  bucket,
+  panel,
+  series,
+  meta,
+  extractFields,
+}) => (next) => async (results) => {
+  const metric = getLastMetric(series);
+
+  if (metric.type !== METRIC_TYPES.PERCENTILE_RANK) {
+    return next(results);
+  }
+
+  const fakeResp = {
+    aggregations: bucket,
+  };
+
+  (await getSplits(fakeResp, panel, series, meta, extractFields)).forEach((split) => {
+    // table allows only one percentile rank in a series (the last one will be chosen in case of several)
+    const lastRankValue = last(metric.values) ?? 0;
+    const lastPercentileNumber = toPercentileNumber(lastRankValue);
+
+    const data = split.timeseries.buckets.map((b) => [
+      b.key,
+      getAggValue(b, {
+        ...metric,
+        value: lastPercentileNumber,
+      }),
+    ]) as PanelDataArray[];
+
+    results.push({
+      data,
+      id: split.id,
+      label: `${split.label} (${lastRankValue ?? 0})`,
+    });
+  });
+
+  return next(results);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/series_agg.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/series_agg.js
deleted file mode 100644
index ae4968e007b1d..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/series_agg.js
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { SeriesAgg } from './_series_agg';
-import { last, first } from 'lodash';
-import { calculateLabel } from '../../../../../common/calculate_label';
-
-export function seriesAgg(resp, panel, series, meta, extractFields) {
-  return (next) => async (results) => {
-    if (series.aggregate_by && series.aggregate_function) {
-      const targetSeries = [];
-      // Filter out the seires with the matching metric and store them
-      // in targetSeries
-      results = results.filter((s) => {
-        if (s.id.split(/:/)[0] === series.id) {
-          targetSeries.push(s.data);
-          return false;
-        }
-        return true;
-      });
-      const fn = SeriesAgg[series.aggregate_function];
-      const data = fn(targetSeries);
-      const fieldsForSeries = meta.index ? await extractFields({ id: meta.index }) : [];
-
-      results.push({
-        id: `${series.id}`,
-        label:
-          series.label || calculateLabel(last(series.metrics), series.metrics, fieldsForSeries),
-        data: first(data),
-      });
-    }
-    return next(results);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/series_agg.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/series_agg.ts
new file mode 100644
index 0000000000000..3b089a2b0de87
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/series_agg.ts
@@ -0,0 +1,46 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { last } from 'lodash';
+
+import { calculateLabel } from '../../../../../common/calculate_label';
+
+// @ts-expect-error no typed yet
+import { SeriesAgg } from './_series_agg';
+
+import type { TableResponseProcessorsFunction } from './types';
+import type { PanelDataArray } from '../../../../../common/types/vis_data';
+
+export const seriesAgg: TableResponseProcessorsFunction = ({ series, meta, extractFields }) => (
+  next
+) => async (results) => {
+  if (series.aggregate_by && series.aggregate_function) {
+    const targetSeries: PanelDataArray[][] = [];
+
+    // Filter out the seires with the matching metric and store them
+    // in targetSeries
+    results = results.filter((s) => {
+      if (s.id && s.id.split(/:/)[0] === series.id) {
+        targetSeries.push(s.data!);
+        return false;
+      }
+      return true;
+    });
+
+    const fn = SeriesAgg[series.aggregate_function];
+    const data = fn(targetSeries);
+    const fieldsForSeries = meta.index ? await extractFields({ id: meta.index }) : [];
+
+    results.push({
+      id: `${series.id}`,
+      label: series.label || calculateLabel(last(series.metrics)!, series.metrics, fieldsForSeries),
+      data: data[0],
+    });
+  }
+  return next(results);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_metric.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_metric.js
deleted file mode 100644
index 140212c2ec907..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_metric.js
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { getSplits, getLastMetric, mapEmptyToZero } from '../../helpers';
-import { METRIC_TYPES } from '../../../../../common/enums';
-
-export function stdMetric(bucket, panel, series, meta, extractFields) {
-  return (next) => async (results) => {
-    const metric = getLastMetric(series);
-
-    if (metric.type === METRIC_TYPES.STD_DEVIATION && metric.mode === 'band') {
-      return next(results);
-    }
-
-    if ([METRIC_TYPES.PERCENTILE_RANK, METRIC_TYPES.PERCENTILE].includes(metric.type)) {
-      return next(results);
-    }
-
-    if (/_bucket$/.test(metric.type)) {
-      return next(results);
-    }
-
-    const fakeResp = {
-      aggregations: bucket,
-    };
-
-    (await getSplits(fakeResp, panel, series, meta, extractFields)).forEach((split) => {
-      const data = mapEmptyToZero(metric, split.timeseries.buckets);
-      results.push({
-        id: split.id,
-        label: split.label,
-        data,
-      });
-    });
-
-    return next(results);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_metric.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_metric.ts
new file mode 100644
index 0000000000000..011b38f9816cb
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_metric.ts
@@ -0,0 +1,50 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { getSplits, getLastMetric, mapEmptyToZero } from '../../helpers';
+import { METRIC_TYPES } from '../../../../../common/enums';
+
+import type { TableResponseProcessorsFunction } from './types';
+
+export const stdMetric: TableResponseProcessorsFunction = ({
+  bucket,
+  panel,
+  series,
+  meta,
+  extractFields,
+}) => (next) => async (results) => {
+  const metric = getLastMetric(series);
+
+  if (metric.type === METRIC_TYPES.STD_DEVIATION && metric.mode === 'band') {
+    return next(results);
+  }
+
+  if (METRIC_TYPES.PERCENTILE_RANK === metric.type || METRIC_TYPES.PERCENTILE === metric.type) {
+    return next(results);
+  }
+
+  if (/_bucket$/.test(metric.type)) {
+    return next(results);
+  }
+
+  const fakeResp = {
+    aggregations: bucket,
+  };
+
+  (await getSplits(fakeResp, panel, series, meta, extractFields)).forEach((split) => {
+    const data = mapEmptyToZero(metric, split.timeseries.buckets);
+
+    results.push({
+      id: split.id,
+      label: split.label,
+      data,
+    });
+  });
+
+  return next(results);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_sibling.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_sibling.js
deleted file mode 100644
index d7a0425f0b5d6..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_sibling.js
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { getSplits } from '../../helpers/get_splits';
-import { getLastMetric } from '../../helpers/get_last_metric';
-import { getSiblingAggValue } from '../../helpers/get_sibling_agg_value';
-
-export function stdSibling(bucket, panel, series, meta, extractFields) {
-  return (next) => async (results) => {
-    const metric = getLastMetric(series);
-
-    if (!/_bucket$/.test(metric.type)) return next(results);
-    if (metric.type === 'std_deviation_bucket' && metric.mode === 'band') return next(results);
-
-    const fakeResp = { aggregations: bucket };
-    (await getSplits(fakeResp, panel, series, meta, extractFields)).forEach((split) => {
-      const data = split.timeseries.buckets.map((b) => {
-        return [b.key, getSiblingAggValue(split, metric)];
-      });
-      results.push({
-        id: split.id,
-        label: split.label,
-        data,
-      });
-    });
-
-    return next(results);
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_sibling.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_sibling.ts
new file mode 100644
index 0000000000000..414108291a24f
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/std_sibling.ts
@@ -0,0 +1,40 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { getSplits, getLastMetric, getSiblingAggValue } from '../../helpers';
+
+import type { TableResponseProcessorsFunction } from './types';
+import type { PanelDataArray } from '../../../../../common/types/vis_data';
+
+export const stdSibling: TableResponseProcessorsFunction = ({
+  bucket,
+  panel,
+  series,
+  meta,
+  extractFields,
+}) => (next) => async (results) => {
+  const metric = getLastMetric(series);
+
+  if (!/_bucket$/.test(metric.type)) return next(results);
+  if (metric.type === 'std_deviation_bucket' && metric.mode === 'band') return next(results);
+
+  const fakeResp = { aggregations: bucket };
+  (await getSplits(fakeResp, panel, series, meta, extractFields)).forEach((split) => {
+    const data: PanelDataArray[] = split.timeseries.buckets.map((b) => {
+      return [b.key, getSiblingAggValue(split, metric)];
+    });
+
+    results.push({
+      id: split.id,
+      label: split.label,
+      data,
+    });
+  });
+
+  return next(results);
+};
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/types.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/types.ts
new file mode 100644
index 0000000000000..af2c8fda74c22
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/response_processors/table/types.ts
@@ -0,0 +1,33 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+import { createFieldsFetcher } from '../../../search_strategies/lib/fields_fetcher';
+
+import type { ProcessorFunction } from '../../build_processor_function';
+import type { TableSearchRequestMeta } from '../../request_processors/table/types';
+import type { Panel, Series, PanelData } from '../../../../../common/types';
+
+export interface TableResponseProcessorsParams {
+  bucket: Record<string, unknown>;
+  panel: Panel;
+  series: Series;
+  meta: TableSearchRequestMeta;
+  extractFields: ReturnType<typeof createFieldsFetcher>;
+}
+
+export type TableSearchResponse = Array<
+  Partial<PanelData> &
+    Partial<{
+      slope: number;
+      last: number | string | null;
+    }>
+>;
+
+export type TableResponseProcessorsFunction = ProcessorFunction<
+  TableResponseProcessorsParams,
+  TableSearchResponse
+>;
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/table/build_request_body.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/table/build_request_body.js
deleted file mode 100644
index 5f3a62856dcc7..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/table/build_request_body.js
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { _legacyBuildProcessorFunction } from '../build_processor_function';
-import { processors } from '../request_processors/table';
-
-export async function buildRequestBody(...args) {
-  const processor = _legacyBuildProcessorFunction(processors, ...args);
-  const doc = await processor({});
-  return doc;
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/table/build_request_body.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/table/build_request_body.ts
new file mode 100644
index 0000000000000..3e0093020297d
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/table/build_request_body.ts
@@ -0,0 +1,51 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { buildProcessorFunction } from '../build_processor_function';
+import {
+  query,
+  pivot,
+  splitByTerms,
+  splitByEverything,
+  dateHistogram,
+  metricBuckets,
+  siblingBuckets,
+  filterRatios,
+  positiveRate,
+  normalizeQuery,
+} from '../request_processors/table';
+
+import type {
+  TableRequestProcessorsFunction,
+  TableRequestProcessorsParams,
+  TableSearchRequest,
+} from '../request_processors/table/types';
+
+export function buildTableRequest(params: TableRequestProcessorsParams) {
+  const processor = buildProcessorFunction<
+    TableRequestProcessorsFunction,
+    TableRequestProcessorsParams,
+    TableSearchRequest
+  >(
+    [
+      query,
+      pivot,
+      splitByTerms,
+      splitByEverything,
+      dateHistogram,
+      metricBuckets,
+      siblingBuckets,
+      filterRatios,
+      positiveRate,
+      normalizeQuery,
+    ],
+    params
+  );
+
+  return processor({});
+}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/table/build_response_body.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/table/build_response_body.ts
new file mode 100644
index 0000000000000..6e8b485fe6eca
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/table/build_response_body.ts
@@ -0,0 +1,34 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { buildProcessorFunction } from '../build_processor_function';
+import {
+  percentile,
+  percentileRank,
+  stdMetric,
+  stdSibling,
+  math,
+  seriesAgg,
+  dropLastBucketFn,
+} from '../response_processors/table';
+
+import type {
+  TableResponseProcessorsFunction,
+  TableResponseProcessorsParams,
+  TableSearchResponse,
+} from '../response_processors/table/types';
+
+export function buildTableResponse(params: TableResponseProcessorsParams) {
+  const processor = buildProcessorFunction<
+    TableResponseProcessorsFunction,
+    TableResponseProcessorsParams,
+    TableSearchResponse
+  >([percentile, percentileRank, stdMetric, stdSibling, math, seriesAgg, dropLastBucketFn], params);
+
+  return processor([]);
+}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.js
deleted file mode 100644
index 0240149e8ce6a..0000000000000
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.js
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
- * or more contributor license agreements. Licensed under the Elastic License
- * 2.0 and the Server Side Public License, v 1; you may not use this file except
- * in compliance with, at your election, the Elastic License 2.0 or the Server
- * Side Public License, v 1.
- */
-
-import { _legacyBuildProcessorFunction } from '../build_processor_function';
-import { processors } from '../response_processors/table';
-import { getLastValue } from '../../../../common/last_value_utils';
-import { first, get } from 'lodash';
-import { overwrite } from '../helpers';
-import { getActiveSeries } from '../helpers/get_active_series';
-
-function trendSinceLastBucket(data) {
-  if (data.length < 2) {
-    return 0;
-  }
-  const currentBucket = data[data.length - 1];
-  const prevBucket = data[data.length - 2];
-  const trend = (currentBucket[1] - prevBucket[1]) / currentBucket[1];
-  return Number.isNaN(trend) ? 0 : trend;
-}
-
-export function processBucket(panel, req, searchStrategy, capabilities, extractFields) {
-  return async (bucket) => {
-    const series = await Promise.all(
-      getActiveSeries(panel).map(async (series) => {
-        const timeseries = get(bucket, `${series.id}.timeseries`);
-        const buckets = get(bucket, `${series.id}.buckets`);
-        let meta = {};
-
-        if (!timeseries && buckets) {
-          meta = get(bucket, `${series.id}.meta`);
-          const timeseries = {
-            buckets: get(bucket, `${series.id}.buckets`),
-          };
-          overwrite(bucket, series.id, { meta, timeseries });
-        }
-
-        const processor = _legacyBuildProcessorFunction(
-          processors,
-          bucket,
-          panel,
-          series,
-          meta,
-          extractFields
-        );
-        const result = first(await processor([]));
-
-        if (!result) return null;
-        const data = get(result, 'data', []);
-        result.slope = trendSinceLastBucket(data);
-        result.last = getLastValue(data);
-        return result;
-      })
-    );
-
-    return { key: bucket.key, series };
-  };
-}
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.test.js b/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.test.ts
similarity index 76%
rename from src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.test.js
rename to src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.test.ts
index 86b46622870e2..4a6c36c50599c 100644
--- a/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.test.js
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.test.ts
@@ -8,11 +8,14 @@
 
 import { processBucket } from './process_bucket';
 
-function createValueObject(key, value, seriesId) {
+import type { Panel, Series } from '../../../../common/types';
+import { createFieldsFetcher } from '../../search_strategies/lib/fields_fetcher';
+
+function createValueObject(key: string | number, value: string | number, seriesId: string) {
   return { key_as_string: `${key}`, doc_count: value, key, [seriesId]: { value } };
 }
 
-function createBucketsObjects(size, sort, seriesId) {
+function createBucketsObjects(size: number, sort: string, seriesId: string) {
   const values = Array(size)
     .fill(1)
     .map((_, i) => i + 1);
@@ -25,34 +28,39 @@ function createBucketsObjects(size, sort, seriesId) {
   return values.map((v, i) => createValueObject(i, v, seriesId));
 }
 
-function createPanel(series) {
+function createPanel(series: string[]) {
   return {
     type: 'table',
     time_field: '',
-    series: series.map((seriesId) => ({
+    series: (series.map((seriesId) => ({
       id: seriesId,
       metrics: [{ id: seriesId, type: 'count' }],
       trend_arrows: 1,
-    })),
-  };
+    })) as unknown) as Series[],
+  } as Panel;
 }
 
-function createBuckets(series) {
+function createBuckets(series: string[]) {
   return [
     { key: 'A', trend: 'asc', size: 10 },
     { key: 'B', trend: 'desc', size: 10 },
     { key: 'C', trend: 'flat', size: 10 },
     { key: 'D', trend: 'asc', size: 1, expectedTrend: 'flat' },
   ].map(({ key, trend, size, expectedTrend }) => {
-    const baseObj = {
+    const baseObj: {
+      expectedTrend: string;
+      key: string;
+      [series: string]: any;
+    } = {
       key,
       expectedTrend: expectedTrend || trend,
     };
+
     for (const seriesId of series) {
       baseObj[seriesId] = {
         meta: {
           timeField: 'timestamp',
-          seriesId: seriesId,
+          seriesId,
         },
         buckets: createBucketsObjects(size, trend, seriesId),
       };
@@ -61,7 +69,7 @@ function createBuckets(series) {
   });
 }
 
-function trendChecker(trend, slope) {
+function trendChecker(trend: string, slope: number) {
   switch (trend) {
     case 'asc':
       return slope > 0;
@@ -75,8 +83,10 @@ function trendChecker(trend, slope) {
 }
 
 describe('processBucket(panel)', () => {
+  const extractFields = jest.fn() as ReturnType<typeof createFieldsFetcher>;
+  let panel: Panel;
+
   describe('single metric panel', () => {
-    let panel;
     const SERIES_ID = 'series-id';
 
     beforeEach(() => {
@@ -84,17 +94,17 @@ describe('processBucket(panel)', () => {
     });
 
     test('return the correct trend direction', async () => {
-      const bucketProcessor = processBucket(panel);
+      const bucketProcessor = processBucket({ panel, extractFields });
       const buckets = createBuckets([SERIES_ID]);
       for (const bucket of buckets) {
         const result = await bucketProcessor(bucket);
         expect(result.key).toEqual(bucket.key);
-        expect(trendChecker(bucket.expectedTrend, result.series[0].slope)).toBeTruthy();
+        expect(trendChecker(bucket.expectedTrend, result.series[0]!.slope!)).toBeTruthy();
       }
     });
 
     test('properly handle 0 values for trend', async () => {
-      const bucketProcessor = processBucket(panel);
+      const bucketProcessor = processBucket({ panel, extractFields });
       const bucketforNaNResult = {
         key: 'NaNScenario',
         expectedTrend: 'flat',
@@ -112,11 +122,13 @@ describe('processBucket(panel)', () => {
       };
       const result = await bucketProcessor(bucketforNaNResult);
       expect(result.key).toEqual(bucketforNaNResult.key);
-      expect(trendChecker(bucketforNaNResult.expectedTrend, result.series[0].slope)).toEqual(true);
+      expect(trendChecker(bucketforNaNResult.expectedTrend, result.series[0]!.slope!)).toEqual(
+        true
+      );
     });
 
     test('have the side effect to create the timeseries property if missing on bucket', async () => {
-      const bucketProcessor = processBucket(panel);
+      const bucketProcessor = processBucket({ panel, extractFields });
       const buckets = createBuckets([SERIES_ID]);
 
       for (const bucket of buckets) {
@@ -129,7 +141,6 @@ describe('processBucket(panel)', () => {
   });
 
   describe('multiple metrics panel', () => {
-    let panel;
     const SERIES = ['series-id-1', 'series-id-2'];
 
     beforeEach(() => {
@@ -137,14 +148,15 @@ describe('processBucket(panel)', () => {
     });
 
     test('return the correct trend direction', async () => {
-      const bucketProcessor = processBucket(panel);
+      const bucketProcessor = processBucket({ panel, extractFields });
       const buckets = createBuckets(SERIES);
+
       for (const bucket of buckets) {
         const result = await bucketProcessor(bucket);
 
         expect(result.key).toEqual(bucket.key);
-        expect(trendChecker(bucket.expectedTrend, result.series[0].slope)).toBeTruthy();
-        expect(trendChecker(bucket.expectedTrend, result.series[1].slope)).toBeTruthy();
+        expect(trendChecker(bucket.expectedTrend, result.series[0]!.slope!)).toBeTruthy();
+        expect(trendChecker(bucket.expectedTrend, result.series[1]!.slope!)).toBeTruthy();
       }
     });
   });
diff --git a/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.ts b/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.ts
new file mode 100644
index 0000000000000..749f7f6578f94
--- /dev/null
+++ b/src/plugins/vis_type_timeseries/server/lib/vis_data/table/process_bucket.ts
@@ -0,0 +1,72 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License
+ * 2.0 and the Server Side Public License, v 1; you may not use this file except
+ * in compliance with, at your election, the Elastic License 2.0 or the Server
+ * Side Public License, v 1.
+ */
+
+import { get } from 'lodash';
+import { getLastValue } from '../../../../common/last_value_utils';
+import { overwrite, getActiveSeries } from '../helpers';
+import { buildTableResponse } from './build_response_body';
+import { createFieldsFetcher } from '../../search_strategies/lib/fields_fetcher';
+
+import type { Panel } from '../../../../common/types';
+import type { TableSearchRequestMeta } from '../request_processors/table/types';
+import { PanelDataArray } from '../../../../common/types/vis_data';
+
+function trendSinceLastBucket(data: PanelDataArray[]) {
+  if (data.length < 2) {
+    return 0;
+  }
+  const currentBucket = data[data.length - 1];
+  const prevBucket = data[data.length - 2];
+
+  const trend = (Number(currentBucket[1]) - Number(prevBucket[1])) / Number(currentBucket[1]);
+  return Number.isNaN(trend) ? 0 : trend;
+}
+
+interface ProcessTableBucketParams {
+  panel: Panel;
+  extractFields: ReturnType<typeof createFieldsFetcher>;
+}
+
+export function processBucket({ panel, extractFields }: ProcessTableBucketParams) {
+  return async (bucket: Record<string, unknown>) => {
+    const resultSeries = await Promise.all(
+      getActiveSeries(panel).map(async (series) => {
+        const timeseries = get(bucket, `${series.id}.timeseries`);
+        const buckets = get(bucket, `${series.id}.buckets`);
+        let meta: TableSearchRequestMeta = {};
+
+        if (!timeseries && buckets) {
+          meta = get(bucket, `${series.id}.meta`) as TableSearchRequestMeta;
+
+          overwrite(bucket, series.id, {
+            meta,
+            timeseries: {
+              buckets: get(bucket, `${series.id}.buckets`),
+            },
+          });
+        }
+
+        const [result] = await buildTableResponse({
+          bucket,
+          panel,
+          series,
+          meta,
+          extractFields,
+        });
+
+        if (!result) return null;
+        const data = result?.data ?? [];
+        result.slope = trendSinceLastBucket(data);
+        result.last = getLastValue(data);
+        return result;
+      })
+    );
+
+    return { key: bucket.key, series: resultSeries };
+  };
+}
diff --git a/x-pack/plugins/infra/server/lib/adapters/metrics/kibana_metrics_adapter.ts b/x-pack/plugins/infra/server/lib/adapters/metrics/kibana_metrics_adapter.ts
index 6009652e2d0b0..a9ddcc8d3d4c1 100644
--- a/x-pack/plugins/infra/server/lib/adapters/metrics/kibana_metrics_adapter.ts
+++ b/x-pack/plugins/infra/server/lib/adapters/metrics/kibana_metrics_adapter.ts
@@ -83,7 +83,10 @@ export class KibanaMetricsAdapter implements InfraMetricsAdapter {
                 return {
                   id: series.id,
                   label: series.label,
-                  data: series.data.map((point) => ({ timestamp: point[0], value: point[1] })),
+                  data: series.data.map((point) => ({
+                    timestamp: point[0] as number,
+                    value: point[1] as number | null,
+                  })),
                 };
               }),
             };