feat(ConfigProvider): add icon-prefix prop (#8986)

src/config-provider/ConfigProvider.tsx

@@ -1,14 +1,22 @@
-import { computed, CSSProperties, defineComponent, PropType } from 'vue';
+import {
-import { createNamespace } from '../utils';
+  provide,
+  computed,
+  PropType,
+  CSSProperties,
+  InjectionKey,
+  defineComponent,
+} from 'vue';
+import { createNamespace, kebabCase } from '../utils';
 
 const [name, bem] = createNamespace('config-provider');
 
-export function kebabCase(word: string) {
+export type ConfigProviderProvide = {
-  return word
+  iconPrefix?: string;
-    .replace(/([A-Z])/g, '-$1')
+};
-    .toLowerCase()
+
-    .replace(/^-/, '');
+export const CONFIG_PROVIDER_KEY: InjectionKey<ConfigProviderProvide> = Symbol(
-}
+  name
+);
 
 function mapThemeVarsToCSSVars(themeVars: Record<string, string | number>) {
   const cssVars: Record<string, string | number> = {};
@@ -23,6 +31,7 @@ export default defineComponent({
 
   props: {
     themeVars: Object as PropType<Record<string, string | number>>,
+    iconPrefix: String,
     tag: {
       type: String as PropType<keyof HTMLElementTagNameMap>,
       default: 'div',
@@ -36,6 +45,8 @@ export default defineComponent({
       }
     });
 
+    provide(CONFIG_PROVIDER_KEY, props);
+
     return () => (
       <props.tag class={bem()} style={style.value}>
         {slots.default?.()}

src/config-provider/README.md

@@ -196,6 +196,7 @@ There are some **Basic Variables** below, for component CSS Variables, please re
 ### Props
 
 | Attribute            | Description              | Type     | Default    |
-| ------------ | ------------------------ | -------- | ------- |
+| -------------------- | ------------------------ | -------- | ---------- |
 | theme-vars           | Theme variables          | _object_ | -          |
 | tag `v3.1.2`         | HTML Tag of root element | _string_ | `div`      |
+| icon-prefix `v3.1.3` | Icon className prefix    | _string_ | `van-icon` |

src/config-provider/README.zh-CN.md

@@ -196,6 +196,7 @@ export default {
 ### Props
 
 | 参数 | 说明 | 类型 | 默认值 |
-| ------------ | ------------------------ | -------- | ------ |
+| --- | --- | --- | --- |
 | theme-vars | 自定义主题变量 | _object_ | - |
 | tag `v3.1.2` | 根节点对应的 HTML 标签名 | _string_ | `div` |
+| icon-prefix `v3.1.3` | 所有图标的类名前缀，同 Icon 组件的 [class-prefix 属性](#/zh-CN/icon#props) | _string_ | `van-icon` |

src/config-provider/test/__snapshots__/index.spec.ts.snap

@@ -1,6 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`should render tag prop correctly 1`] = `
-<section class="van-config-provider">
-</section>
-`;

src/config-provider/test/__snapshots__/index.spec.tsx.snap

@@ -0,0 +1,13 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`should change icon class-prefix when using icon-prefix prop 1`] = `
+<div class="van-config-provider">
+  <i class="van-badge__wrapper foo foo-success">
+  </i>
+</div>
+`;
+
+exports[`should render tag prop correctly 1`] = `
+<section class="van-config-provider">
+</section>
+`;

src/config-provider/test/index.spec.ts

@@ -1,11 +0,0 @@
-import { ConfigProvider } from '..';
-import { mount } from '../../../test';
-
-test('should render tag prop correctly', () => {
-  const wrapper = mount(ConfigProvider, {
-    props: {
-      tag: 'section',
-    },
-  });
-  expect(wrapper.html()).toMatchSnapshot();
-});

src/config-provider/test/index.spec.tsx

@@ -0,0 +1,25 @@
+import { ConfigProvider } from '..';
+import { Icon } from '../../icon';
+import { mount } from '../../../test';
+
+test('should render tag prop correctly', () => {
+  const wrapper = mount(ConfigProvider, {
+    props: {
+      tag: 'section',
+    },
+  });
+  expect(wrapper.html()).toMatchSnapshot();
+});
+
+test('should change icon class-prefix when using icon-prefix prop', () => {
+  const wrapper = mount({
+    render() {
+      return (
+        <ConfigProvider iconPrefix="foo">
+          <Icon name="success" />
+        </ConfigProvider>
+      );
+    },
+  });
+  expect(wrapper.html()).toMatchSnapshot();
+});

src/icon/Icon.tsx

@@ -1,11 +1,12 @@
-import { PropType, defineComponent } from 'vue';
+import { PropType, defineComponent, inject, computed } from 'vue';
 import { addUnit, createNamespace } from '../utils';
 import { Badge } from '../badge';
+import { CONFIG_PROVIDER_KEY } from '../config-provider/ConfigProvider';
 
 const [name, bem] = createNamespace('icon');
 
 function isImage(name?: string) {
-  return name ? name.includes('/') : false;
+  return name?.includes('/');
 }
 
 export default defineComponent({
@@ -17,19 +18,22 @@ export default defineComponent({
     size: [Number, String],
     badge: [Number, String],
     color: String,
+    classPrefix: String,
     tag: {
       type: String as PropType<keyof HTMLElementTagNameMap>,
       default: 'i',
     },
-    classPrefix: {
-      type: String,
-      default: bem(),
-    },
   },
 
   setup(props, { slots }) {
+    const config = inject(CONFIG_PROVIDER_KEY, null);
+
+    const classPrefix = computed(
+      () => props.classPrefix || config?.iconPrefix || bem()
+    );
+
     return () => {
-      const { tag, dot, name, size, badge, color, classPrefix } = props;
+      const { tag, dot, name, size, badge, color } = props;
       const isImageIcon = isImage(name);
 
       return (
@@ -37,7 +41,10 @@ export default defineComponent({
           dot={dot}
           tag={tag}
           content={badge}
-          class={[classPrefix, isImageIcon ? '' : `${classPrefix}-${name}`]}
+          class={[
+            classPrefix.value,
+            isImageIcon ? '' : `${classPrefix.value}-${name}`,
+          ]}
           style={{
             color,
             fontSize: addUnit(size),

src/utils/format/string.ts

@@ -4,6 +4,13 @@ export function camelize(str: string): string {
   return str.replace(camelizeRE, (_, c) => c.toUpperCase());
 }
 
+export function kebabCase(str: string) {
+  return str
+    .replace(/([A-Z])/g, '-$1')
+    .toLowerCase()
+    .replace(/^-/, '');
+}
+
 export function padZero(num: number | string, targetLength = 2): string {
   let str = num + '';