From 8eb12cb45af3d29e2e9c09ec657bb8ea324895a9 Mon Sep 17 00:00:00 2001
From: awmleer <awmleer@icloud.com>
Date: Sun, 29 May 2022 12:28:37 +0800
Subject: [PATCH] feat(ErrorBlock): add `createErrorBlock` function for
 generating more light-weighted or customized ErrorBlock

---
 .../error-block/create-error-block.tsx        | 68 ++++++++++++++++
 src/components/error-block/demos/demo-3.tsx   | 23 ++++++
 src/components/error-block/demos/demo-4.less  |  4 +
 src/components/error-block/demos/demo-4.tsx   | 23 ++++++
 src/components/error-block/error-block.tsx    | 81 ++++---------------
 src/components/error-block/images/index.tsx   | 19 +----
 src/components/error-block/index.en.md        | 53 +++++++++++-
 src/components/error-block/index.ts           |  8 +-
 src/components/error-block/index.zh.md        | 53 +++++++++++-
 src/index.ts                                  |  2 +
 10 files changed, 250 insertions(+), 84 deletions(-)
 create mode 100644 src/components/error-block/create-error-block.tsx
 create mode 100644 src/components/error-block/demos/demo-3.tsx
 create mode 100644 src/components/error-block/demos/demo-4.less
 create mode 100644 src/components/error-block/demos/demo-4.tsx

diff --git a/src/components/error-block/create-error-block.tsx b/src/components/error-block/create-error-block.tsx
new file mode 100644
index 0000000000..6b920c241d
--- /dev/null
+++ b/src/components/error-block/create-error-block.tsx
@@ -0,0 +1,68 @@
+import React, { FC, ReactElement, ReactNode } from 'react'
+import classNames from 'classnames'
+import { mergeProps } from '../../utils/with-default-props'
+import { NativeProps, withNativeProps } from '../../utils/native-props'
+import { useConfig } from '../config-provider'
+import type { ErrorBlockStatus, ImageRecord } from '.'
+
+const classPrefix = `adm-error-block`
+
+export type ErrorBlockProps = {
+  status?: ErrorBlockStatus
+  title?: ReactNode
+  image?: string | ReactElement
+  description?: ReactNode
+  fullPage?: boolean
+  children?: React.ReactNode
+} & NativeProps<
+  | '--image-height'
+  | '--image-height-full-page'
+  | '--image-width'
+  | '--image-width-full-page'
+>
+
+const defaultProps = {
+  status: 'default',
+}
+
+export function createErrorBlock(imageRecord: ImageRecord) {
+  const ErrorBlock: FC<ErrorBlockProps> = p => {
+    const props = mergeProps(defaultProps, p)
+    const { locale } = useConfig()
+    const contentPack = locale.ErrorBlock[props.status]
+    const des =
+      'description' in props ? props.description : contentPack.description
+    const title = 'title' in props ? props.title : contentPack.title
+    const image: ReactNode = props.image ?? imageRecord[props.status]
+    const imageNode =
+      typeof image === 'string' ? (
+        <img src={image} alt='error block image' />
+      ) : (
+        image
+      )
+
+    return withNativeProps(
+      props,
+      <div
+        className={classNames(classPrefix, {
+          [`${classPrefix}-full-page`]: props.fullPage,
+        })}
+      >
+        <div className={`${classPrefix}-image`}>{imageNode}</div>
+        <div className={`${classPrefix}-description`}>
+          {title && (
+            <div className={`${classPrefix}-description-title`}>{title}</div>
+          )}
+          {des && (
+            <div className={`${classPrefix}-description-subtitle`}>{des}</div>
+          )}
+        </div>
+
+        {props.children && (
+          <div className={`${classPrefix}-content`}>{props.children}</div>
+        )}
+      </div>
+    )
+  }
+  return ErrorBlock
+}
diff --git a/src/components/error-block/demos/demo-3.tsx b/src/components/error-block/demos/demo-3.tsx
new file mode 100644
index 0000000000..b5d07157e5
--- /dev/null
+++ b/src/components/error-block/demos/demo-3.tsx
@@ -0,0 +1,23 @@
+import React from 'react'
+import { createErrorBlock, Space } from 'antd-mobile'
+import { DemoBlock } from 'demos'
+import { defaultImage } from 'antd-mobile/es/components/error-block/images'
+
+const ErrorBlock = createErrorBlock({
+  'default': defaultImage,
+  'empty':
+    'https://gw.alipayobjects.com/zos/bmw-prod/7a2970f8-9247-4196-b3b3-2d0218c18b59.svg',
+})
+
+export default () => {
+  return (
+    <>
+      <DemoBlock title='四种状态'>
+        <Space block direction='vertical' style={{ '--gap': '16px' }}>
+          <ErrorBlock status='default' />
+          <ErrorBlock status='empty' />
+        </Space>
+      </DemoBlock>
+    </>
+  )
+}
diff --git a/src/components/error-block/demos/demo-4.less b/src/components/error-block/demos/demo-4.less
new file mode 100644
index 0000000000..c2f13c9faf
--- /dev/null
+++ b/src/components/error-block/demos/demo-4.less
@@ -0,0 +1,4 @@
+.myErrorBlockIcon {
+  font-size: 48px;
+  color: var(--adm-color-weak);
+}
diff --git a/src/components/error-block/demos/demo-4.tsx b/src/components/error-block/demos/demo-4.tsx
new file mode 100644
index 0000000000..2d1eb5a2d1
--- /dev/null
+++ b/src/components/error-block/demos/demo-4.tsx
@@ -0,0 +1,23 @@
+import React from 'react'
+import { createErrorBlock, Space } from 'antd-mobile'
+import { DemoBlock } from 'demos'
+import { FileWrongOutline, SearchOutline } from 'antd-mobile-icons'
+import styles from './demo-4.less'
+
+const ErrorBlock = createErrorBlock({
+  'default': <FileWrongOutline className={styles.myErrorBlockIcon} />,
+  'empty': <SearchOutline className={styles.myErrorBlockIcon} />,
+})
+
+export default () => {
+  return (
+    <>
+      <DemoBlock title='四种状态'>
+        <Space block direction='vertical' style={{ '--gap': '16px' }}>
+          <ErrorBlock status='default' />
+          <ErrorBlock status='empty' />
+        </Space>
+      </DemoBlock>
+    </>
+  )
+}
diff --git a/src/components/error-block/error-block.tsx b/src/components/error-block/error-block.tsx
index cac4a13190..7af9782e0c 100644
--- a/src/components/error-block/error-block.tsx
+++ b/src/components/error-block/error-block.tsx
@@ -1,67 +1,20 @@
-import React, { FC, ReactElement, ReactNode } from 'react'
-import classNames from 'classnames'
-import { mergeProps } from '../../utils/with-default-props'
-import { NativeProps, withNativeProps } from '../../utils/native-props'
-import { useConfig } from '../config-provider'
-import { imageRecord } from './images'
+import { createErrorBlock } from './create-error-block'
+import { ReactElement } from 'react'
+import {
+  busyImage,
+  defaultImage,
+  disconnectedImage,
+  emptyImage,
+} from './images'
 
-const classPrefix = `adm-error-block`
-
-export type ErrorBlockProps = {
-  status?: 'default' | 'disconnected' | 'empty' | 'busy'
-  title?: ReactNode
-  image?: string | ReactElement
-  description?: ReactNode
-  fullPage?: boolean
-  children?: React.ReactNode
-} & NativeProps<
-  | '--image-height'
-  | '--image-height-full-page'
-  | '--image-width'
-  | '--image-width-full-page'
->
-
-const defaultProps = {
-  status: 'default',
+const imageRecord: Record<
+  'default' | 'disconnected' | 'empty' | 'busy',
+  ReactElement
+> = {
+  'default': defaultImage,
+  'disconnected': disconnectedImage,
+  'empty': emptyImage,
+  'busy': busyImage,
 }
 
-export const ErrorBlock: FC<ErrorBlockProps> = p => {
-  const props = mergeProps(defaultProps, p)
-  const { locale } = useConfig()
-  const contentPack = locale.ErrorBlock[props.status]
-  const des =
-    'description' in props ? props.description : contentPack.description
-  const title = 'title' in props ? props.title : contentPack.title
-  let imageNode: ReactNode = imageRecord[props.status]
-
-  if (props.image) {
-    if (typeof props.image === 'string') {
-      imageNode = <img src={props.image} alt='error block image' />
-    } else {
-      imageNode = props.image
-    }
-  }
-
-  return withNativeProps(
-    props,
-    <div
-      className={classNames(classPrefix, {
-        [`${classPrefix}-full-page`]: props.fullPage,
-      })}
-    >
-      <div className={`${classPrefix}-image`}>{imageNode}</div>
-      <div className={`${classPrefix}-description`}>
-        {title && (
-          <div className={`${classPrefix}-description-title`}>{title}</div>
-        )}
-        {des && (
-          <div className={`${classPrefix}-description-subtitle`}>{des}</div>
-        )}
-      </div>
-
-      {props.children && (
-        <div className={`${classPrefix}-content`}>{props.children}</div>
-      )}
-    </div>
-  )
-}
+export const ErrorBlock = createErrorBlock(imageRecord)
diff --git a/src/components/error-block/images/index.tsx b/src/components/error-block/images/index.tsx
index 09d5a98bbc..aad0006727 100644
--- a/src/components/error-block/images/index.tsx
+++ b/src/components/error-block/images/index.tsx
@@ -1,15 +1,4 @@
-import { ReactElement } from 'react'
-import { defaultImage } from './default'
-import { disconnectedImage } from './disconnected'
-import { emptyImage } from './empty'
-import { busyImage } from './busy'
-
-export const imageRecord: Record<
-  'default' | 'disconnected' | 'empty' | 'busy',
-  ReactElement
-> = {
-  'default': defaultImage,
-  'disconnected': disconnectedImage,
-  'empty': emptyImage,
-  'busy': busyImage,
-}
+export { defaultImage } from './default'
+export { disconnectedImage } from './disconnected'
+export { emptyImage } from './empty'
+export { busyImage } from './busy'
diff --git a/src/components/error-block/index.en.md b/src/components/error-block/index.en.md
index 2c59c27d3a..1f758f2400 100644
--- a/src/components/error-block/index.en.md
+++ b/src/components/error-block/index.en.md
@@ -6,14 +6,16 @@ Use scene illustrations to indicate page exceptions.
 
 Feedback prompts for six abnormal scenarios.
 
+## ErrorBlock
+
+### Demos
+
 <code src="./demos/demo-basic.tsx"></code>
 
 <code src="./demos/demo-full-page.tsx"></code>
 
 <code src="./demos/demo2.tsx"></code>
 
-## ErrorBlock
-
 ### Props
 
 | Name        | Description                          | Type                                               | Default     |
@@ -32,3 +34,50 @@ Feedback prompts for six abnormal scenarios.
 | --image-height-full-page | Height of the image in `fullPage` mode | `200px` | `--adm-error-block-image-height-full-page` |
 | --image-width            | Width of the image                     | `auto`  | `--adm-error-block-image-width`            |
 | --image-width-full-page  | Width of the image in `fullPage` mode  | `auto`  | `--adm-error-block-image-width-full-page`  |
+
+## createErrorBlock
+
+The `ErrorBlock` component is very simple to use, but it inevitably brings a problem: since we don't know which `status` you will use, we can only package image resources in four states. There will be some package size problems.
+
+In order to import as few resources as possible, we provide a utility function `createErrorBlock`, which you can use to create a custom `ErrorBlock` component that contains only the materials you need.
+
+Its type definition is:
+
+```ts
+declare function createErrorBlock(imageRecord: ImageRecord): React.ComponentType
+
+type ImageRecord = Partial<Record<ErrorBlockStatus, string | ReactNode>>
+type ErrorBlockStatus = 'default' | 'disconnected' | 'empty' | 'busy'
+```
+
+For example:
+
+### Demos
+
+If in your application, the ErrorBlock only needs to support the `default` state, then you can create a lightweight ErrorBlock that only packs the `default` image material like this:
+
+```jsx
+import {defaultImage} from 'antd-mobile/es/components/error-block/images'
+
+const ErrorBlock = createErrorBlock({
+  'default': defaultImage,
+})
+```
+
+We have exported images corresponding to four states in `antd-mobile/es/components/error-block/images`, you can use them directly: `defaultImage` `disconnectedImage` `emptyImage` `busyImage`.
+
+Even, you can directly configure the image resources in the online CDN, which can greatly reduce the packaging size:
+
+```jsx
+const ErrorBlock = createErrorBlock({
+  'empty': 'https://gw.alipayobjects.com/zos/bmw-prod/7a2970f8-9247-4196-b3b3-2d0218c18b59.svg',
+})
+```
+
+The final effect is:
+
+<code src="./demos/demo-3.tsx"></code>
+
+`createErrorBlock` does more than that, you can also use it to configure custom image presets to create a custom version of ErrorBlock. You can replace the image material to match the visual style of your own project, or replace it with a minimalist icon like this:
+
+<code src="./demos/demo-4.tsx"></code>
diff --git a/src/components/error-block/index.ts b/src/components/error-block/index.ts
index 8665687171..f40a004c74 100644
--- a/src/components/error-block/index.ts
+++ b/src/components/error-block/index.ts
@@ -1,6 +1,12 @@
 import './error-block.less'
+import { ReactNode } from 'react'
 import { ErrorBlock } from './error-block'
 
-export type { ErrorBlockProps } from './error-block'
+export { createErrorBlock } from './create-error-block'
+
+export type { ErrorBlockProps } from './create-error-block'
+
+export type ErrorBlockStatus = 'default' | 'disconnected' | 'empty' | 'busy'
+export type ImageRecord = Partial<Record<ErrorBlockStatus, string | ReactNode>>
 
 export default ErrorBlock
diff --git a/src/components/error-block/index.zh.md b/src/components/error-block/index.zh.md
index 256de9c880..95077f2009 100644
--- a/src/components/error-block/index.zh.md
+++ b/src/components/error-block/index.zh.md
@@ -6,14 +6,16 @@
 
 适用于六种异常场景的反馈提示。
 
+## ErrorBlock
+
+### 示例
+
 <code src="./demos/demo-basic.tsx"></code>
 
 <code src="./demos/demo-full-page.tsx"></code>
 
 <code src="./demos/demo2.tsx"></code>
 
-## ErrorBlock
-
 ### 属性
 
 | 属性        | 说明           | 类型                                               | 默认值      |
@@ -32,3 +34,50 @@
 | --image-height-full-page | 整页模式下的图片高度 | `200px` | `--adm-error-block-image-height-full-page` |
 | --image-width            | 图片的宽度           | `auto`  | `--adm-error-block-image-width`            |
 | --image-width-full-page  | 整页模式下的图片宽度 | `auto`  | `--adm-error-block-image-width-full-page`  |
+
+## createErrorBlock
+
+`ErrorBlock` 组件用起来非常简单，但是它不可避免的带来了一个问题：由于我们不知道你会用到哪些 `status`，所以我们只能把四种状态下的图片资源都打包进来，这会带来一些包体积上的问题。
+
+为了能够尽可能少的引入资源，我们提供了一个工具函数 `createErrorBlock`，你可以使用它来创建一个定制化的 `ErrorBlock` 组件，其中只包含你需要的素材。
+
+它的类型定义是：
+
+```ts
+declare function createErrorBlock(imageRecord: ImageRecord): React.ComponentType
+
+type ImageRecord = Partial<Record<ErrorBlockStatus, string | ReactNode>>
+type ErrorBlockStatus = 'default' | 'disconnected' | 'empty' | 'busy'
+```
+
+例如：
+
+### 示例
+
+如果在你的应用中，ErrorBlock 只需要支持 `default` 这种状态，那么你可以这样创建一个只打包了 `default` 图片素材的轻量化的 ErrorBlock：
+
+```jsx
+import {defaultImage} from 'antd-mobile/es/components/error-block/images'
+
+const ErrorBlock = createErrorBlock({
+  'default': defaultImage,
+})
+```
+
+我们在 `antd-mobile/es/components/error-block/images` 中 export 了四种状态对应的图片，你可以直接使用它们：`defaultImage` `disconnectedImage` `emptyImage` `busyImage`。
+
+甚至，你可以直接配置成在线 CDN 中的图片资源，这样就可以很大程度上降低打包体积：
+
+```jsx
+const ErrorBlock = createErrorBlock({
+  'empty': 'https://gw.alipayobjects.com/zos/bmw-prod/7a2970f8-9247-4196-b3b3-2d0218c18b59.svg',
+})
+```
+
+最终效果是：
+
+<code src="./demos/demo-3.tsx"></code>
+
+`createErrorBlock` 的作用不止于此，你还可以使用它配置自定义的图片预设，创建出一个定制版的 ErrorBlock。你可以把图片素材替换成符合你自己项目中视觉风格的，也可以像下面这样替换成极简风格的图标：
+
+<code src="./demos/demo-4.tsx"></code>
diff --git a/src/index.ts b/src/index.ts
index d34ab2eaca..0d018083e5 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -79,3 +79,5 @@ export { default as Toast } from './components/toast'
 export { default as TreeSelect } from './components/tree-select'
 export { default as VirtualInput } from './components/virtual-input'
 export { default as WaterMark } from './components/water-mark'
+
+export { createErrorBlock } from './components/error-block'