Sourcemap

最新推荐文章于 2024-09-20 15:57:21 发布

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最新推荐文章于 2024-09-20 15:57:21 发布

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分类专栏： web 文章标签： web sourcemap

本文链接：https://blog.youkuaiyun.com/zhuchuji/article/details/73838968

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本文探讨了在前端开发中使用源码映射(sourcemap)的重要性。它能帮助开发者将编译压缩后的代码映射回原始源代码，便于调试。通过源码映射，即使面对经过转换和压缩的代码也能轻松定位错误，维持良好的调试环境。

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Advantages

When you develop front end web applications, you would like to use ES6, Sass etc. Then you need to compile javascript into ES5 compatible form, compile sass (or scss) to css. Additionally, you may want to compress these static source for smaller size and better performance. But unfortunately, you find it hardly to seek which line exactly it is in the source code when there are errors prompt. Chrome dev tools just show the compiled and compressed code to you for debugging. It’s a nightmare because you do not know what codes are generated by framework and what codes are transformed from your code actually. Then source map come to rescue. Source map provide you the function that link the compiled and compressed code to your source code.

Description

A source map consists of a whole bunch of information that can be used to map the code within a compressed file back to it’s original source. You can specify different source map for each of your compressed files. Using source maps allows developers to maintain a straight-foward debugging environment while at the same time optimizing their size for performance.