[PieVis] Chart expressions pie.

.i18nrc.json

@@ -32,6 +32,7 @@
     "expressionGauge": "src/plugins/chart_expressions/expression_gauge",
     "expressionTagcloud": "src/plugins/chart_expressions/expression_tagcloud",
     "expressionMetricVis": "src/plugins/chart_expressions/expression_metric",
+    "expressionPie": "src/plugins/chart_expressions/expression_pie",
     "inputControl": "src/plugins/input_control_vis",
     "inspector": "src/plugins/inspector",
     "inspectorViews": "src/legacy/core_plugins/inspector_views",

docs/developer/plugin-list.asciidoc

@@ -114,6 +114,10 @@ This API doesn't support angular, for registering angular dev tools, bootstrap a
 |Expression MetricVis plugin adds a metric renderer and function to the expression plugin. The renderer will display the metric chart.
 
 
+|{kib-repo}blob/{branch}/src/plugins/chart_expressions/expression_pie/README.md[expressionPie]
+|Expression Pie plugin adds a pie renderer and function to the expression plugin. The renderer will display the Pie chart.
+
+
 |{kib-repo}blob/{branch}/src/plugins/expression_repeat_image/README.md[expressionRepeatImage]
 |Expression Repeat Image plugin adds a repeatImage function to the expression plugin and an associated renderer. The renderer will display the given image in mutliple instances.
 

packages/kbn-optimizer/limits.yml

@@ -119,3 +119,4 @@ pageLoadAssetSize:
   visTypeHeatmap: 25340
   screenshotting: 17017
   expressionGauge: 25000
+  expressionPie: 26338

src/plugins/chart_expressions/expression_pie/README.md

@@ -0,0 +1,9 @@
+# expressionPie
+
+Expression Pie plugin adds a `pie` renderer and function to the expression plugin. The renderer will display the `Pie` chart.
+
+---
+
+## Development
+
+See the [kibana contributing guide](https://github.com/elastic/kibana/blob/main/CONTRIBUTING.md) for instructions setting up your development environment.

src/plugins/chart_expressions/expression_pie/common/constants.ts

@@ -0,0 +1,16 @@
+/*
+ * 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 const PLUGIN_ID = 'expressionPie';
+export const PLUGIN_NAME = 'expressionPie';
+
+export const PIE_VIS_EXPRESSION_NAME = 'pie_vis';
+export const PIE_LABELS_VALUE = 'pie_labels_value';
+export const PIE_LABELS_FUNCTION = 'pie_labels';
+
+export const DEFAULT_PERCENT_DECIMALS = 2;

src/plugins/chart_expressions/expression_pie/common/expression_functions/index.ts

@@ -0,0 +1,10 @@
+/*
+ * 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 { pieVisFunction } from './pie_vis_function';
+export { pieLabelsFunction } from './pie_labels_function';

src/plugins/vis_types/pie/public/expression_functions/pie_labels.ts → src/plugins/chart_expressions/expression_pie/common/expression_functions/pie_labels_function.ts

@@ -7,11 +7,9 @@
  */
 
 import { i18n } from '@kbn/i18n';
-import {
-  ExpressionFunctionDefinition,
-  Datatable,
-  ExpressionValueBoxed,
-} from '../../../../expressions/public';
+import { ExpressionFunctionDefinition, Datatable } from '../../../../expressions/common';
+import { PIE_LABELS_FUNCTION, PIE_LABELS_VALUE } from '../constants';
+import { ExpressionValuePieLabels } from '../types/expression_functions';
 
 interface Arguments {
   show: boolean;
@@ -23,84 +21,71 @@ interface Arguments {
   percentDecimals: number;
 }
 
-export type ExpressionValuePieLabels = ExpressionValueBoxed<
-  'pie_labels',
-  {
-    show: boolean;
-    position: string;
-    values: boolean;
-    truncate: number | null;
-    valuesFormat: string;
-    last_level: boolean;
-    percentDecimals: number;
-  }
->;
-
-export const pieLabels = (): ExpressionFunctionDefinition<
-  'pielabels',
+export const pieLabelsFunction = (): ExpressionFunctionDefinition<
+  typeof PIE_LABELS_FUNCTION,
   Datatable | null,
   Arguments,
   ExpressionValuePieLabels
 > => ({
-  name: 'pielabels',
-  help: i18n.translate('visTypePie.function.pieLabels.help', {
+  name: PIE_LABELS_FUNCTION,
+  help: i18n.translate('expressionPie.pieLabels.function.help', {
     defaultMessage: 'Generates the pie labels object',
   }),
-  type: 'pie_labels',
+  type: PIE_LABELS_VALUE,
   args: {
     show: {
       types: ['boolean'],
-      help: i18n.translate('visTypePie.function.pieLabels.show.help', {
+      help: i18n.translate('expressionPie.pieLabels.function.args.show.help', {
         defaultMessage: 'Displays the pie labels',
       }),
       required: true,
     },
     position: {
       types: ['string'],
       default: 'default',
-      help: i18n.translate('visTypePie.function.pieLabels.position.help', {
+      help: i18n.translate('expressionPie.pieLabels.function.args.position.help', {
         defaultMessage: 'Defines the label position',
       }),
     },
     values: {
       types: ['boolean'],
-      help: i18n.translate('visTypePie.function.pieLabels.values.help', {
+      help: i18n.translate('expressionPie.pieLabels.function.args.values.help', {
         defaultMessage: 'Displays the values inside the slices',
       }),
       default: true,
     },
     percentDecimals: {
       types: ['number'],
-      help: i18n.translate('visTypePie.function.pieLabels.percentDecimals.help', {
+      help: i18n.translate('expressionPie.pieLabels.function.args.percentDecimals.help', {
         defaultMessage: 'Defines the number of decimals that will appear on the values as percent',
       }),
       default: 2,
     },
     lastLevel: {
       types: ['boolean'],
-      help: i18n.translate('visTypePie.function.pieLabels.lastLevel.help', {
+      help: i18n.translate('expressionPie.pieLabels.function.args.lastLevel.help', {
         defaultMessage: 'Show top level labels only',
       }),
       default: true,
     },
     truncate: {
-      types: ['number', 'null'],
-      help: i18n.translate('visTypePie.function.pieLabels.truncate.help', {
+      types: ['number'],
+      help: i18n.translate('expressionPie.pieLabels.function.args.truncate.help', {
         defaultMessage: 'Defines the number of characters that the slice value will display',
       }),
       default: null,
     },
     valuesFormat: {
       types: ['string'],
       default: 'percent',
-      help: i18n.translate('visTypePie.function.pieLabels.valuesFormat.help', {
+      help: i18n.translate('expressionPie.pieLabels.function.args.valuesFormat.help', {
         defaultMessage: 'Defines the format of the values',
       }),
     },
   },
   fn: (context, args) => {
     return {
-      type: 'pie_labels',
+      type: PIE_LABELS_VALUE,
       show: args.show,
       position: args.position,
       percentDecimals: args.percentDecimals,

src/plugins/vis_types/pie/public/pie_fn.test.ts → src/plugins/chart_expressions/expression_pie/common/expression_functions/pie_vis_function.test.ts

@@ -6,25 +6,25 @@
  * Side Public License, v 1.
  */
 
-import { functionWrapper } from '../../../expressions/common/expression_functions/specs/tests/utils';
-import { createPieVisFn } from './pie_fn';
-import { PieVisConfig } from './types';
-import { Datatable } from '../../../expressions/common/expression_types/specs';
-import { EMPTY_SIZE_RATIOS } from './editor/constants';
+import { functionWrapper } from '../../../../expressions/common/expression_functions/specs/tests/utils';
+import { PieVisConfig, EmptySizeRatios } from '../types/expression_renderers';
+import { pieVisFunction } from './pie_vis_function';
+import { Datatable } from '../../../../expressions/common/expression_types/specs';
 
 describe('interpreter/functions#pie', () => {
-  const fn = functionWrapper(createPieVisFn());
+  const fn = functionWrapper(pieVisFunction());
   const context = {
     type: 'datatable',
     rows: [{ 'col-0-1': 0 }],
     columns: [{ id: 'col-0-1', name: 'Count' }],
   } as unknown as Datatable;
+
   const visConfig = {
     addTooltip: true,
     addLegend: true,
     legendPosition: 'right',
     isDonut: true,
-    emptySizeRatio: EMPTY_SIZE_RATIOS.SMALL,
+    emptySizeRatio: EmptySizeRatios.SMALL,
     nestedLegend: true,
     truncateLegend: true,
     maxLegendLines: true,