./node_modules/pdfh5/js/pdf.js Module not found: Error: Can't resolve 'canvas' in 'D:\work\code\绿电价值管理 git\zjge-front\node_modules\pdfh5\js'
时间: 2023-08-16 13:13:08 浏览: 759
这个错误是由于缺少名为 'canvas' 的模块导致的。解决这个问题的一种方法是安装并添加 'canvas' 模块到你的项目中。
你可以使用以下命令安装 'canvas' 模块:
```
npm install canvas
```
安装完成后,尝试重新运行你的代码看看问题是否解决了。如果还有其他问题,请提供更多的上下文和错误信息,以便我能够更好地帮助你。
相关问题
These dependencies were not found: * canvas in ./node_modules/pdfh5/js/pdf.js * dommatrix/dist/dommatrix.js in ./node_modules/pdfh5/js/pdf.js, ./node_modules/pdfh5/js/pdf.worker.js * web-streams-polyfill/dist/ponyfill.js in ./node_modules/pdfh5/js/pdf.js, ./node_modules/pdfh5/js/pdf.worker.js
It seems that some dependencies required by PDFH5 are missing. To resolve these dependencies, you can follow these steps:
1. Install missing dependencies: Run the following command in your project's root folder to install the missing dependencies:
```shell
npm install canvas dommatrix web-streams-polyfill
```
This will install the required packages (`canvas`, `dommatrix`, and `web-streams-polyfill`) and add them to your project's `node_modules` folder.
2. Import the dependencies: In the file `pdf.js` located in `node_modules/pdfh5/js/`, add the following import statements at the top of the file:
```javascript
import 'canvas';
import 'dommatrix/dist/dommatrix.js';
import 'web-streams-polyfill/dist/ponyfill.js';
```
Similarly, in the file `pdf.worker.js` located in `node_modules/pdfh5/js/`, add the same import statements at the top of the file.
3. Save the changes and rebuild: After adding the import statements, save the files and rebuild your project. Depending on your build system (Webpack, Rollup, etc.), you might need to run a command like `npm run build` or `npm run dev` to rebuild your project with the updated dependencies.
By following these steps, you should be able to resolve the missing dependencies for PDFH5.
ERROR in ./node_modules/mime-types/index.js 15:14-37 Module not found: Error: Can't resolve '
./types/other' in 'D:\project\myproject\node_modules\mime-types'
解决方法是什么?
这是一个错误提示,告诉我们在 mime-types 包的 index.js 文件中,第 15 行到 37 行之间引用了一个找不到的模块,即 types/other。解决方法可以尝试将 mime-types 包重新安装,或者手动添加缺失的模块。具体操作方式可以参考官方文档或者搜索相关解决方案。