feat(axis): add type config axis, it will picked into scale config (#1686)

Author: hustcc

__tests__/bugs/issue-968-spec.ts

@@ -0,0 +1,33 @@
+import { COMPONENT_TYPE } from '@antv/g2/lib/constant';
+import { Line } from '../../src';
+import { createDiv } from '.././utils/dom';
+
+describe('#968', () => {
+  it('axis type', () => {
+    const data = [
+      { year: '1991', value: 3 },
+      { year: '1992', value: 4 },
+      { year: '1993', value: 3.5 },
+      { year: '1994', value: 5 },
+      { year: '1995', value: 4.9 },
+      { year: '1996', value: 6 },
+      { year: '1997', value: 7 },
+      { year: '1998', value: 9 },
+      { year: '1999', value: 13 },
+    ];
+
+    const line = new Line(createDiv(), {
+      data,
+      xField: 'year',
+      yField: 'value',
+      height: 300,
+      yAxis: {
+        type: 'log',
+      },
+    });
+
+    line.render();
+
+    expect(line.chart.getYScales()[0].type).toBe('log');
+  });
+});

src/constant.ts

@@ -2,6 +2,7 @@
  * 需要从轴配置中提取出来作为 meta 的属性 key 列表
  */
 export const AXIS_META_CONFIG_KEYS = [
+  'type',
   'tickCount',
   'tickInterval',
   'min',

src/types/axis.ts

@@ -1,6 +1,10 @@
 import { AxisOption } from '@antv/g2/lib/interface';
 
 export type Axis = AxisOption & {
+  /**
+   * 坐标轴类型
+   */
+  readonly type?: string;
   /**
    * 是否美化
    */