feat(comp:breadcrumb): add breadcrumb component (#71)

packages/components/breadcrumb/__tests__/__snapshots__/breadcrumb.spec.ts.snap

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+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Breadcrumb render work 1`] = `
+"<nav class=\\"ix-breadcrumb\\" aria-label=\\"Breadcrumb\\">
+  <ol>
+    <!---->
+  </ol>
+</nav>"
+`;

packages/components/breadcrumb/__tests__/breadcrumb.spec.ts

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+import { MountingOptions, mount } from '@vue/test-utils'
+import { h } from 'vue'
+
+import { renderWork } from '@tests'
+
+import Breadcrumb from '../src/Breadcrumb'
+import BreadcrumbItem from '../src/BreadcrumbItem'
+import { BreadcrumbProps } from '../src/types'
+
+const defaultSlots = [
+  h(BreadcrumbItem, null, { default: () => 'item1' }),
+  h(BreadcrumbItem, null, { default: () => 'item2' }),
+  h(BreadcrumbItem, null, { default: () => 'item3' }),
+]
+
+describe('Breadcrumb', () => {
+  const BreadcrumbMount = (options?: MountingOptions<Partial<BreadcrumbProps>>) => {
+    const { slots, ...rest } = options || {}
+    const mergedOptions = {
+      slots: { default: () => defaultSlots, ...slots },
+      ...rest,
+    } as MountingOptions<BreadcrumbProps>
+    return mount(Breadcrumb, mergedOptions)
+  }
+
+  renderWork<BreadcrumbProps>(Breadcrumb)
+
+  test('BreadcrumbItem not placed inside Breadcrumb', () => {
+    const mockErrorLogger = jest.spyOn(console, 'error').mockImplementation()
+    const wrapper = mount(BreadcrumbItem)
+
+    expect(wrapper.isVisible()).toBe(false)
+    expect(mockErrorLogger).toBeCalled()
+  })
+
+  test("should work with Breadcrumb's `separator` prop", async () => {
+    const wrapper = BreadcrumbMount({
+      props: {
+        separator: '>',
+      },
+    })
+    const separatorDomList = wrapper.findAll('.ix-breadcrumb-item-separator')
+    expect(separatorDomList.every(i => i.text() === '>')).toBe(true)
+  })
+
+  test("should work with BreadcrumbItem's `separator` prop", async () => {
+    const wrapper = BreadcrumbMount({
+      slots: {
+        default: () => [
+          h(BreadcrumbItem, { separator: '>' }, { default: () => 'item1' }),
+          h(BreadcrumbItem, null, { default: () => 'item2' }),
+        ],
+      },
+    })
+    const separatorDomList = wrapper.findAll('.ix-breadcrumb-item-separator')
+    expect(separatorDomList[0].text()).toBe('>')
+    expect(separatorDomList[1].text()).toBe('/')
+  })
+
+  test("should work with BreadcrumbItem's `separator` slot", async () => {
+    const wrapper = BreadcrumbMount({
+      slots: {
+        default: () => [
+          h(BreadcrumbItem, null, { default: () => 'item2' }),
+          h(BreadcrumbItem, null, { default: () => 'item2', separator: () => '>' }),
+        ],
+      },
+    })
+    const separatorDomList = wrapper.findAll('.ix-breadcrumb-item-separator')
+    expect(separatorDomList[0].text()).toBe('/')
+    expect(separatorDomList[1].text()).toBe('>')
+  })
+})

packages/components/breadcrumb/demo/Basic.md

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+---
+title:
+  zh: 基本使用
+  en: Basic usage
+order: 0
+---
+
+## zh
+
+最简单的用法。
+
+## en
+
+The simplest usage.

packages/components/breadcrumb/demo/Basic.vue

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+<template>
+  <IxBreadcrumb>
+    <IxBreadcrumbItem><IxIcon name="transmit" /> 巴黎</IxBreadcrumbItem>
+    <IxBreadcrumbItem><IxIcon name="cloud" /> 北京</IxBreadcrumbItem>
+    <IxBreadcrumbItem>
+      <a href="#"><IxIcon name="link" /> 热情的岛屿</a>
+    </IxBreadcrumbItem>
+    <IxBreadcrumbItem><IxIcon name="tag" /> 土耳其</IxBreadcrumbItem>
+  </IxBreadcrumb>
+</template>

packages/components/breadcrumb/demo/Custom.md

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+---
+title:
+  zh: 自定义分隔符
+  en: Customized Separator
+order: 1
+---
+
+## zh
+
+使用 `separator` 可以自定义分隔符。
+
+## en

packages/components/breadcrumb/demo/Custom.vue

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+<template>
+  <IxBreadcrumb separator=">">
+    <IxBreadcrumbItem>高架桥</IxBreadcrumbItem>
+    <IxBreadcrumbItem separator="~">路口</IxBreadcrumbItem>
+    <IxBreadcrumbItem>
+      <template #separator>→</template>
+      <a href="#">旅途</a>
+    </IxBreadcrumbItem>
+    <IxBreadcrumbItem>路灯</IxBreadcrumbItem>
+  </IxBreadcrumb>
+</template>

packages/components/breadcrumb/demo/Dropdown.md

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+---
+title:
+  zh: 下拉菜单
+  en: Dropdown
+order: 2
+---
+
+## zh
+
+和 [下拉菜单](/components/dropdown/zh) 一起使用。
+
+## en

packages/components/breadcrumb/demo/Dropdown.vue

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+<template>
+  <IxBreadcrumb>
+    <IxBreadcrumbItem>Somewhere</IxBreadcrumbItem>
+    <IxBreadcrumbItem>
+      <IxDropdown>
+        <a class="ix-dropdown-trigger">over the rainbow <IxIcon name="down"></IxIcon></a>
+        <template #overlay>
+          <IxMenu>
+            <IxMenuItem key="one">skies are blue</IxMenuItem>
+            <IxMenuItem key="two">wish upon a star</IxMenuItem>
+            <IxMenuDivider />
+            <IxMenuItem key="three" disabled>troubles melt like lemon drops</IxMenuItem>
+          </IxMenu>
+        </template>
+      </IxDropdown>
+    </IxBreadcrumbItem>
+  </IxBreadcrumb>
+</template>

packages/components/breadcrumb/docs/Index.en.md

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+---
+category: components
+type: Navigation
+title: Breadcrumb
+subtitle:
+order: 0
+---
+
+
+
+## API
+
+### IxBreadcrumb
+
+#### BreadcrumbProps
+
+| Name | Description | Type | Default | Global Config | Remark |
+| --- | --- | --- | --- | --- | --- |
+| - | - | - | - | ✅ | - |
+
+#### BreadcrumbSlots
+
+| Name | Description | Parameter Type | Remark |
+| --- | --- | --- | --- |
+| - | - | - | - |
+
+#### BreadcrumbMethods
+
+| Name | Description | Parameter Type | Remark |
+| --- | --- | --- | --- |
+| - | - | - | - |

packages/components/breadcrumb/docs/Index.zh.md

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+---
+category: components
+type: 导航
+title: Breadcrumb
+subtitle: 面包屑
+order: 0
+---
+
+## API
+
+### IxBreadcrumb
+
+#### BreadcrumbProps
+
+| 名称 | 说明 | 类型  | 默认值 | 全局配置 | 备注 |
+| --- | --- | --- | --- | --- | --- |
+| `separator` | 分隔符 | `string` | `/` | - | - |
+
+#### BreadcrumbItemProps
+
+| 名称 | 说明 | 类型  | 默认值 | 全局配置 | 备注 |
+| --- | --- | --- | --- | --- | --- |
+| `separator` | 分隔符 | `string \| #separator` | - | - | - |

packages/components/breadcrumb/index.ts

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+/**
+ * @license
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://github.com/IDuxFE/idux/blob/main/LICENSE
+ */
+
+import type { BreadcrumbComponent, BreadcrumbItemComponent } from './src/types'
+
+import Breadcrumb from './src/Breadcrumb'
+import BreadcrumbItem from './src/BreadcrumbItem'
+
+const IxBreadcrumb = Breadcrumb as unknown as BreadcrumbComponent
+const IxBreadcrumbItem = BreadcrumbItem as unknown as BreadcrumbItemComponent
+
+export { IxBreadcrumb, IxBreadcrumbItem }
+
+export type {
+  BreadcrumbInstance,
+  BreadcrumbComponent,
+  BreadcrumbPublicProps as BreadcrumbProps,
+  BreadcrumbItemInstance,
+  BreadcrumbItemComponent,
+  BreadcrumbItemPublicProps as BreadcrumbItemProps,
+} from './src/types'

packages/components/breadcrumb/src/Breadcrumb.tsx

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+/**
+ * @license
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://github.com/IDuxFE/idux/blob/main/LICENSE
+ */
+
+import { computed, defineComponent, provide, toRef } from 'vue'
+
+import { useGlobalConfig } from '@idux/components/config'
+
+import { breadcrumbToken } from './token'
+import { breadcrumbProps } from './types'
+
+export default defineComponent({
+  name: 'IxBreadcrumb',
+  props: breadcrumbProps,
+  setup(props, { slots }) {
+    const common = useGlobalConfig('common')
+    const mergedPrefixCls = computed(() => `${common.prefixCls}-breadcrumb`)
+
+    provide(breadcrumbToken, {
+      mergedPrefixCls,
+      separatorRef: toRef(props, 'separator'),
+    })
+
+    return () => (
+      <nav class={mergedPrefixCls.value} aria-label="Breadcrumb">
+        <ol>{slots.default?.()}</ol>
+      </nav>
+    )
+  },
+})

packages/components/breadcrumb/src/BreadcrumbItem.tsx

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+/**
+ * @license
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://github.com/IDuxFE/idux/blob/main/LICENSE
+ */
+
+import { defineComponent, inject } from 'vue'
+
+import { Logger } from '@idux/cdk/utils'
+
+import { breadcrumbToken } from './token'
+import { breadcrumbItemProps } from './types'
+
+export default defineComponent({
+  name: 'IxBreadcrumbItem',
+  props: breadcrumbItemProps,
+  setup(props, { slots }) {
+    const breadcrumbInjection = inject(breadcrumbToken, null)
+    if (!breadcrumbInjection) {
+      if (__DEV__) {
+        Logger.error('components/breadcrumb', '`breadcrumb-item` must be placed inside `breadcrumb`.')
+      }
+      return () => null
+    }
+
+    const { mergedPrefixCls, separatorRef } = breadcrumbInjection
+    return () => (
+      <li class={`${mergedPrefixCls.value}-item`}>
+        <span class={`${mergedPrefixCls.value}-item-link`}>{slots.default?.()}</span>
+        <span class={`${mergedPrefixCls.value}-item-separator`} aria-hidden="true">
+          {slots.separator ? slots.separator() : props.separator ?? separatorRef.value}
+        </span>
+      </li>
+    )
+  },
+})

packages/components/breadcrumb/src/token.ts

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+/**
+ * @license
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://github.com/IDuxFE/idux/blob/main/LICENSE
+ */
+
+import type { BreadcrumbProps } from './types'
+import type { ComputedRef, InjectionKey, Ref } from 'vue'
+
+export interface BreadcrumbContext {
+  mergedPrefixCls: ComputedRef<string>
+  separatorRef: Ref<BreadcrumbProps['separator']>
+}
+
+export const breadcrumbToken: InjectionKey<BreadcrumbContext> = Symbol('breadcrumbToken')

packages/components/breadcrumb/src/types.ts

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+/**
+ * @license
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://github.com/IDuxFE/idux/blob/main/LICENSE
+ */
+
+import type { IxInnerPropTypes, IxPublicPropTypes } from '@idux/cdk/utils'
+import type { DefineComponent, HTMLAttributes } from 'vue'
+
+import { IxPropTypes } from '@idux/cdk/utils'
+
+export const breadcrumbProps = {
+  separator: IxPropTypes.string.def('/'),
+}
+
+export type BreadcrumbProps = IxInnerPropTypes<typeof breadcrumbProps>
+export type BreadcrumbPublicProps = IxPublicPropTypes<typeof breadcrumbProps>
+export type BreadcrumbComponent = DefineComponent<
+  Omit<HTMLAttributes, keyof BreadcrumbPublicProps> & BreadcrumbPublicProps
+>
+export type BreadcrumbInstance = InstanceType<DefineComponent<BreadcrumbProps>>
+
+export const breadcrumbItemProps = {
+  separator: IxPropTypes.string,
+}
+
+export type BreadcrumbItemProps = IxInnerPropTypes<typeof breadcrumbItemProps>
+export type BreadcrumbItemPublicProps = IxPublicPropTypes<typeof breadcrumbItemProps>
+export type BreadcrumbItemComponent = DefineComponent<
+  Omit<HTMLAttributes, keyof BreadcrumbItemPublicProps> & BreadcrumbItemPublicProps
+>
+export type BreadcrumbItemInstance = InstanceType<DefineComponent<BreadcrumbItemProps>>