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(lines only) - Source Maps are simplified to a single mapping per line. This usually means a single mapping per statement (assuming you author is this way). This prevents you from debugging execution on statement level and from settings breakpoints on columns of a line. Combining with minimizing is not possible as minimizers usually only emit a single line.
其中关键是这句” This prevents you from debugging execution on statement level and from settings breakpoints on columns of a line.”,这将会阻止你在语句级别以及某行某列出打debug的执行,说得通俗一定一点,那就是:”打不了断点”。
eval-source-map - Each module is executed with eval() and a SourceMap is added as a DataUrl >to the eval(). Initially it is slow, but it provides fast rebuild speed and yields real files. Line >numbers are correctly mapped since it gets mapped to the original code. It yields the best quality >SourceMaps for development. https://webpack.js.org/configuration/devtool/
The text was updated successfully, but these errors were encountered:
devtool: 'cheap-module-source-map'
devtool: 'source-map'
修改为source-map以后,可以在sources的src目录下查看未经编译的.vue结尾的但是未经编译的源码,方便我们调试。
为什么?source-map仅仅比cheap-module-source-map多了一个(lines only)的限制,那么lines only是一个什么限制呢?
其中关键是这句” This prevents you from debugging execution on statement level and from settings breakpoints on columns of a line.”,这将会阻止你在语句级别以及某行某列出打debug的执行,说得通俗一定一点,那就是:”打不了断点”。
有没有一种放出源代码但是编译又快的选项?
Let’s try it .
1.none
什么都没发生,只有捆绑好的style.css,main.js和vendors.js。
2.eval
除捆绑好的文件外,主要多了webpack://,用来存放webpack生成后的代码。
3.cheap-eval-source-map
除捆绑好的文件和webpack://外,主要多了webpack-internal://,其中存放了大量的数字编号编译后的文件。
4.cheap-module-eval-source-map
在webpack://下,多了src目录,其中存放了项目的源代码,但是其中代码都是经过编译之后的。
5.eval-source-map
与cheap-module-eval-source-map最大的区别在于,src中的代码,是编译前的形式,可以进行debug。
6.cheap-source-map
目前只知道与cheap-eval-source-map很像。
7.cheap-module-source-map
目前只知道与cheap-module-eval-source-map很像。
8.inline-cheap-source-map
目前只知道与cheap-source-map很像。
9.inline-cheap-module-source-map
目前只知道与cheap-module-source-map很像。
10.source-map
目前只知道与eval-source-map很像。
11.inline-source-map
目前只知道与source-map 很像。
12.hidden-source-map
webpack://文件夹消失。
13.nosources-source-map
src文件夹下的部分.vue后缀的文件内容为空
eval-source-map比source-map好在哪里?
The text was updated successfully, but these errors were encountered: