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vite-plugin-cesium-build

v0.6.1

Published

CesiumJS support for Vite

Downloads

1,726

Readme

:tada:vite-plugin-cesium-build

English | 简体中文

这会将 Cesium.js 与其样式 widget.css 外部化,并在打包时自动拷贝 CesiumJS 的四大库和核心文件。

它还支持 @cesium/engine !

  • :+1: DX 对开发无影响
  • :sparkles: TypeScript 完全类型支持
  • :rocket: 非常快! 在我的笔记本电脑中,示例项目仅需 300ms 完成打包,这是因为 Cesium 库不参与核心构建。

Alt text

:memo: 使用

如果你 "不关心文档只想尽快让它跑起来", 请移步 examples.

安装此插件

pnpm add -D vite-plugin-cesium-build

vite.config.js中引入

import { defineConfig } from 'vite'
import cesium from 'vite-plugin-cesium-build'
// import cesium from 'vite-plugin-cesium-build/engine' // when using @cesium/engine

export default defineConfig({
  plugins: [
    // ...
    cesium()
  ]
})

你已经完成了 CesiumJS 的全部配置!接下来只需要像往常一样开发与打包! 默认情况下,插件会自动把下面的代码添加到你的 index.html 中:

// Customize variable 'to' in options
Object.defineProperty(globalThis, 'CESIUM_BASE_URL', {
  value: `/${to}/`
})

如果要阻止这个默认行为,见Options中的customCesiumBaseUrl

如果使用的Cesium版本为v1.97及更高,你可以将 css 选项设置为 true:

export default defineConfig({
  plugins: [
    cesium({ css: true })
  ]
})

这将会自动将Cesium的样式添加到你的 index.html:

<link rel="stylesheet" href="./cesium-package/Widgets/widgets.css">

默认情况下通过 iife 引入 Cesium.js ,这可以跳过漫长的打包时间。如果你希望按需引入,可以设置 iife: false

export default defineConfig({
  plugins: [
    cesium({ iife: false })
  ]
})

这样就可以通过 ESM 来按需引入。

[!TIP] 你可以通过 vite选项 build.rollupOptions.output.manualChunks 以改进生产环境下的缓存表现。

cesium: ['cesium']

:wrench: 选项

除此以外,插件提供了一些配置项:

export default defineConfig({
  plugins: [
    cesium({
      /**
       * 这指示了Cesium包文件夹的位置。
       * 这意味着将会从这个文件夹中获取CesiumJS的相关资源。
       */
      from: 'node_modules/cesium/Build/Cesium',

      /**
       * 这指示了构建后资源位置。
       * 这意味着构建后资源会被放在/dist/cesium-package/下
       */
      to: 'cesium-package',

      /**
       * 设置为true时,你需要自行设置CESIUM_BASE_URL。或者输入字符串以直接自定义base url。
       */
      customCesiumBaseUrl: false,
      /**
       * 为 `true` 时, Cesium的样式将会被自动添加.
       */
      css: false,

      /**
       * 为 true 时,通过iife引入Cesium.js以跳过对其的打包。为 false 时,不做任何处理。
       */
      iife: true
    })
  ]
})

完全自定义

他提供了所有内部方法,以支持完全的自定义。在极少数有需要的情况下,请查看对应源码。

import { defineConfig } from 'vite'
import { imports, setBaseUrl } from 'vite-plugin-cesium-build/core'

export default defineConfig({
  plugins: [
    [
      imports(
        // ...
      ),
      setBaseUrl(
        // ...
      )
    ]
  ]
})

其他

如果你是Vue用户,或许可以尝试一下cesium-use !