feat(sunburst): 旭日图增加 ignoreParentValue 配置

docs/api/plots/sunburst.en.md

@@ -85,6 +85,7 @@ Hierarchy configuration, such as' size ', 'padding', etc., refer to [D3-Hierarch
 | size       | _number[]_         | 默认：`[1, 1]`。参考：[d3-hierarchy#partition_size](https://github.com/d3/d3-hierarchy#partition_size)                               |
 | round      | _boolean_          | 默认：`false`。参考：[d3-hierarchy#partition_round](https://github.com/d3/d3-hierarchy#partition_round)                              |
 | sort       | _Function_         | 数据节点排序方式，默认：降序。参考: [d3-hierarchy#node_sort](https://github.com/d3/d3-hierarchy#node_sort)                           |
+| ignoreParentValue       | _boolean_         | 是否忽略 parentValue, 默认：true。 当设置为 true 时，父节点的权重由子元素决定  |
 
 #### radius
 

docs/api/plots/sunburst.zh.md

@@ -83,6 +83,7 @@ meta: {
 | size       | _number[]_         | 默认：`[1, 1]`。参考：[d3-hierarchy#partition_size](https://github.com/d3/d3-hierarchy#partition_size)                               |
 | round      | _boolean_          | 默认：`false`。参考：[d3-hierarchy#partition_round](https://github.com/d3/d3-hierarchy#partition_round)                              |
 | sort       | _Function_         | 数据节点排序方式，默认：降序。参考: [d3-hierarchy#node_sort](https://github.com/d3/d3-hierarchy#node_sort)                           |
+| ignoreParentValue       | _boolean_         | 是否忽略 parentValue, 默认：true。 当设置为 true 时，父节点的权重由子元素决定  |
 
 #### radius
 

examples/more-plots/sunburst/demo/tooltip-fields.ts

@@ -1,6 +1,6 @@
 import { Sunburst } from '@antv/g2plot';
 
-fetch('https://gw.alipayobjects.com/os/antfincdn/ryp44nvUYZ/coffee.json')
+fetch('https://gw.alipayobjects.com/os/antfincdn/%24ixDFx9%248M/coffee-data.json')
   .then((data) => data.json())
   .then((data) => {
     const plot = new Sunburst('container', {
@@ -13,6 +13,10 @@ fetch('https://gw.alipayobjects.com/os/antfincdn/ryp44nvUYZ/coffee.json')
           alias: '国家',
         },
       },
+      hierarchyConfig: {
+        // the weight of parent node depends on itself
+        ignoreParentValue: false,
+      },
       tooltip: {
         fields: ['path', 'symbol', 'value'],
         formatter: (datum) => ({

src/plots/sunburst/types.ts

@@ -23,7 +23,9 @@ export interface SunburstOptions extends Omit<Options, 'data' | 'legend' | 'slid
   /** 层级布局配置 */
   readonly hierarchyConfig?: Omit<HierarchyOption, 'as' | 'type'> & {
     /** default: 'value', required data to be like: { name: 'xx', [field]: 12, children: [] } */
-    field?: string;
+    readonly field?: string;
+    /** 是否忽略 */
+    readonly ignoreParentValue?: boolean;
   };
 
   // 其他

src/utils/hierarchy/partition.ts

@@ -1,5 +1,5 @@
 import * as d3Hierarchy from 'd3-hierarchy';
-import { assign, isArray, reduce } from '@antv/util';
+import { assign, isArray, reduce, size } from '@antv/util';
 import { getField, getAllNodes } from './util';
 
 const DEFAULT_OPTIONS: Options = {
@@ -10,6 +10,8 @@ const DEFAULT_OPTIONS: Options = {
   // 默认降序
   sort: (a, b) => b.value - a.value,
   as: ['x', 'y'],
+  // 是否忽略 parentValue, 当设置为 true 时，父节点的权重由子元素决定
+  ignoreParentValue: true,
 };
 
 export interface Options {
@@ -20,6 +22,8 @@ export interface Options {
   padding?: number;
   sort?: Function;
   as?: [string, string];
+
+  ignoreParentValue?: boolean;
 }
 
 export function partition(data: any, options: Options): any[] {
@@ -47,7 +51,13 @@ export function partition(data: any, options: Options): any[] {
        */
       d3Hierarchy
         .hierarchy(data)
-        .sum((d) => (d.children ? d[field] - reduce(d.children, (a, b) => a + b[field], 0) : d[field]))
+        .sum((d) =>
+          size(d.children)
+            ? options.ignoreParentValue
+              ? 0
+              : d[field] - reduce(d.children, (a, b) => a + b[field], 0)
+            : d[field]
+        )
         .sort(options.sort)
     );
   const root = partition(data);