如何防止Firefox DevTools显示“未找到源地图”错误？

Question

I am using a couple of 3rd party minified Javascript files that have no .map file. When I am debugging in Firefox DevTools, it consistently shows these errors:

Source map error: request failed with status 404
Resource URL: https://foo.domain.com/widgets/widgets.min.js
Source Map URL: widgets.min.js.map

This is really distracting since there are a number of these files and they really pollute the console.

Is there anyway to turn these warnings off?

Answer 1

You can disable source maps globally by going into the Toolbox Options of the Developper Tools and unchecking Enable Source Maps .

You can also provide an empty source map for some specific JavaScript files. Use a local copy of the files (at least during development) and modify the source maps directive:

//# sourceMappingURL=http://example.com/path/to/your/sourcemap.map

by pointing to an empty source map file. You can also just remove the source map directive from the file.