赛题分析 —— 当前存在的问题分析

当前支持

基于TinyVue-Icon组件使用图标
允许导入UI组件物料，可以使用其他组件库图标

当前问题分析

图标库不够丰富
通过导入组件库ICON 成本高，不够灵活
缺少在低码平台上安装、发布的图标物料资源
出码后导入新图标成本高，需要重新加入图标方案
缺少对自定义图标的管理功能

赛题分析 —— 方案目标

基于低码平台实现通用图标解决方案

需定义物料协议规范，以便后续在低码平台上共享物料
需高效集成图标资源，支持利用在线图标资源、支持自定义图标导入
- 在线图标库
- 自定义图标库，支持创建、导入、删除图标库，支持添加、删除单个图标
出码友好
- 需支持主流框架
- 出码后图标需支持按需引入
- 离线图标
- 支持灵活扩展

要解决的核心问题

基于低码平台实现通用图标解决方案

需定义物料协议规范，以便在低码平台上共享物料
- 可安装、卸载
- 可创建、删除
需高效集成图标资源，支持利用在线图标资源、支持自定义图标管理
- 在线图标库
- 自定义图标库，支持创建、导入、删除图表库，支持添加、删除单个图标
出码友好
- 出码后图标需支持按需引入
- 离线图标
- 支持灵活扩展

方案设计概述 —— 常用方案分析

font 字体图标

优势
- 兼容性更广泛，IE6+，互联网早期的利器
问题
- 只能使用 color 和 font-size 控制，而且尺寸特别不精细
- 无法按需引入
代表
- iconfont

组件库内置Icon组件

优势
- 组件库内无需配置，可直接使用
问题
- 图标不够丰富，无法自定义
代表方案
- tiny-vue
- element-plus
- ant-design

inline svg

优势
- 支持多色、局部颜色控制、控制尺寸使用 width 和 height
- 图标资源丰富,可按需引入
问题
- 兼容性不如font，但现代浏览器适用
- 需单独配置
代表方案
- iconify
- unplugin-icon

方案设计概述 —— 最终选择SVG

iconify

有规范的协议，基于JSON数据，在低码平台上安装、发布相比npm包更方便
资源丰富

unplugin-icons、unplugin-vue-components

基于vite，主流框架全部适配
支持按需导入、打包
支持在线图标、iconifyJSON协议图标库、svg文件等常用场景
出码后可脱离平台灵活导入资源

方案实现 —— 概述

制定协议——基于 iconify JSON 协议
开发图标物料管理插件
基于 @iconify/vue 实现画布渲染、预览
基于 unplugin-icons、unplugin-vue-components 实现出码后对在线图标库、自定义图标的支持和按需导入

方案实现 —— 架构图

方案实现 —— 物料协议

{
  name: 'test图标库',
  prefix: 'test',
  icons: {
    home:{
      name: 'home',
      body: '<path d="M10 20v-6h4v6h5v-8h3L12 3L2 12h3v8h5z" fill="currentColor"/>',
      width: 24,
      height: 24
    }
  },
  occupier: {
    id: 86,
    username: '开发者',
    email: 'developer@lowcode.com',
    resetPasswordToken: 'developer',
    confirmationToken: 'dfb2c162-351f-4f44-ad5f-8998',
    is_admin: true
  }
}

方案实现 —— 功能设计

物料-图标插件 (packages/plugins/materials/src/icon)

在线图标
- 展示、筛选 iconify在线资源
我的图标
- 创建、导入、删除集合
- 添加、删除单个图标
mock server API
- collection
  - create
  - import
  - remove
  - update
- icon
  - import
  - remove

画布渲染 (packages/canvas)

修改canvas 内置CanvasIcon组件
- 引入 @iconify/vue , 兼容Tinyvue-icon
- 支持加载、刷新自定义图标数据，使用addCollection 动态导入图标库，实现画布渲染

预览渲染 ( packages/design-core/preview)

基于 @iconify/vue 封装图标预览组件Icon
加载自定义图标数据导出为icon.json
使用 iconify/addCollection 导入自定义图标库JOSN数据

出码配置( packages/vue-generator)

分析schema找出所有自定义图标，写入svg图标资源
修改 /templates/vue-template 更新 vite.config.js 配置，实现自定义图标、在线图标、按需导入、按需打包
低码转高码时修正自定义图标引入形式为

vite-config.js

import { defineConfig } from 'vite'
import path from 'path'
import vue from '@vitejs/plugin-vue'
import vueJsx from '@vitejs/plugin-vue-jsx'

import Icons from 'unplugin-icons/vite'
import { FileSystemIconLoader } from 'unplugin-icons/loaders'
import IconsResolver from 'unplugin-icons/resolver'
import Components from 'unplugin-vue-components/vite'

export default defineConfig({
  resolve: {
    alias: {
      '@': path.resolve(__dirname, 'src')
    }
  },
  plugins: [
    vue(),
    vueJsx(),
    Icons({
      autoInstall: true,
      compiler: 'vue3',
      customCollections: {
        test: FileSystemIconLoader('src/assets/icons/test'),
        test2: FileSystemIconLoader('src/assets/icons/test2')
      },
      iconCustomizer(collection, icon, props) {}
    }),
    Components({
      dts: true,
      resolvers: [
        IconsResolver({
          prefix: 'i',
          alias: {},
          customCollections: ['test', 'test2']
        })
      ]
    })
  ],
  define: {
    'process.env': { ...process.env }
  },
  build: {
    minify: true,
    commonjsOptions: {
      transformMixedEsModules: true
    },
    cssCodeSplit: false
  }
})

TODO

[] tiny-engine-data-center API [] 用户体验优化 [] 单个图标导入 [] 代码优化

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opentiny / tiny-engine

Ccf 2024/icon #899

赛题分析 —— 当前存在的问题分析

赛题分析 —— 方案目标

基于低码平台实现通用图标解决方案

要解决的核心问题

方案设计概述 —— 常用方案分析

font 字体图标

组件库内置Icon组件

inline svg

方案设计概述 —— 最终选择SVG

iconify

unplugin-icons、unplugin-vue-components

方案实现 —— 概述

方案实现 —— 架构图

方案实现 —— 物料协议

方案实现 —— 功能设计

物料-图标插件 (packages/plugins/materials/src/icon)

画布渲染 (packages/canvas)

预览渲染 ( packages/design-core/preview)

出码配置( packages/vue-generator)

TODO

Review skipped