java 使用 graalvm js 导入第三方库
时间: 2023-09-17 15:10:56
浏览: 126
在使用 GraalVM JS 执行 JavaScript 代码时,可以通过 CommonJS 或 ES6 模块[系统](https://geek.csdn.net/educolumn/073441cd796e7450c3f98600b0cbeb95?spm=1055.2569.3001.10083)导入第三方库。具体步骤如下:
1. 安装需要使用的第三方库,例如 lodash:
npm install lodash
2. 在 JavaScript 代码中使用 CommonJS 或 ES6 模块[系统](https://geek.csdn.net/educolumn/073441cd796e7450c3f98600b0cbeb95?spm=1055.2569.3001.10083)导入该库:
- CommonJS 导入[方式](https://geek.csdn.net/educolumn/0a7fca90472e8d39fd3078246e0b14f3?spm=1055.2569.3001.10083):
```js
const _ = require('lodash');
- ES6 导入[方式](https://geek.csdn.net/educolumn/0a7fca90472e8d39fd3078246e0b14f3?spm=1055.2569.3001.10083):
```js
import _ from 'lodash';
3. 使用 GraalVM JS 执行 JavaScript 代码时需要添加 `--jvm` 参数,以便使用 JVM 的类加载器加载第三方库。例如:
node --jvm --polyglot my-script.js
4. 如果第三方库依赖于其他库或模块,需要在代码中进行相应的导入和配置。
需要注意的是,GraalVM JS 对 CommonJS 和 ES6 模块的支持有一些限制,比如无法处理[动态](https://geek.csdn.net/educolumn/08aef4ab97997f5b9ed71860c44e8258?spm=1055.2569.3001.10083)导入(dynamic imports)等语法。在使用时需要根据具体情况进行调整。
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