feat(Form): formatter add rule param

src/field/index.js

@@ -178,7 +178,7 @@ export default createComponent({
             let value = this.formValue;
 
             if (rule.formatter) {
-              value = rule.formatter(value);
+              value = rule.formatter(value, rule);
             }
 
             if (!this.runSyncRule(rule, value)) {

src/form/README.md

@@ -442,7 +442,7 @@ export default {
 | validator `v2.5.3` | Custom validator | *(value, rule) => boolean \| Promise* |
 | pattern `v2.5.3` | Regex pattern | *RegExp* |
 | trigger `v2.5.2` | When to validate the form，can be set to `onChange`、`onBlur` | *string* |
-| formatter `v2.5.3` | Format value before validate | *(value) => any* |
+| formatter `v2.5.3` | Format value before validate | *(value, rule) => any* |
 
 ### Events
 

src/form/README.zh-CN.md

@@ -481,7 +481,7 @@ export default {
 | validator `v2.5.3` | 通过函数进行校验 | *(value, rule) => boolean \| Promise* |
 | pattern `v2.5.3` | 通过正则表达式进行校验 | *RegExp* |
 | trigger `v2.5.2` | 本项规则的触发时机，可选值为`onChange`、`onBlur` | *string* |
-| formatter `v2.5.3` | 格式化函数，将表单项的值转换后进行校验 | *(value) => any* |
+| formatter `v2.5.3` | 格式化函数，将表单项的值转换后进行校验 | *(value, rule) => any* |
 
 ### Events
 

src/form/test/props.spec.js

@@ -71,7 +71,14 @@ test('rules prop - formatter', async () => {
     data() {
       return {
         rules: [
-          { required: true, formatter: val => val.trim(), message: 'foo' },
+          {
+            message: 'foo',
+            required: true,
+            formatter: (val, rule) => {
+              expect(rule.message).toEqual('foo');
+              return val.trim();
+            },
+          },
         ],
       };
     },