Using Watch Expressions on the right hand side, usually solves this. Expand the menu, and use the plus button to add your variables. You can use someNumber and someOtherNumber, and even someNumber + someOtherNumber.
Generated files with source maps won’t automatically redirect to their original files, because there’s potentially a 1-to-many relationship. If you see the message Source Map Detected, the original file should already appear on the side file tree or the file explorer via Crl + P. If you don’t know the original file name, you can … Read more
I’m going to post an answer here. This answer may not work for you (See Step 5). It varies a lot from person to person. After so many days spent in research, robin-a-meade’s post from GitHub was the one that nailed it. Before starting, the main problem seems to lie in the source mapping’s URL … Read more
Chrome Developer Tools now supports Sass debugging out-of-the-box. Updated to include source maps: Previous versions used inline comment in your css to provide a refernce to the source code (see below how-to). recent versions of sass (3.3+) and chrome (31+) use source maps for that: Make sure you have Sass 3.3.x Compile your Sass with … Read more
application/json is the best mimetype for sourcemap files. application/octet-stream might work well with browser devtools, however this mimetype is a signal to browsers to initiate a download. This may cause problems for tools like performance analysis tooling or JS exception tracking that attempt to make sense of the source maps.
It’s a warning (not an error) and it is a bug (https://bugzilla.mozilla.org/show_bug.cgi?id=1020846 fixed in FF 33) This warning/error also applies to other libs (angular, backbone, etc.)
Searching for a possible solution to this, and if someone is not specifically using Sentry, I got to this blog post (ironically a Sentry blog post): https://blog.sentry.io/2015/10/29/debuggable-javascript-with-source-maps.html Where there is an interesting idea: “private source maps”. It implies generating the source maps in someplace that is not accessible from the internet (such as your company … Read more
A quick test using Charles Web Proxy shows that source maps are only loaded if developer tools are opened. If you load a page without dev tools opened, there is no http request for source maps. The behaviour was the same in Chrome 43 and Firefox 38. So it appears they would be no impact … Read more
just remove && “scripts”: { “start”: “react-scripts start”, “build”: “GENERATE_SOURCEMAP=false react-scripts build”, “test”: “react-scripts test –env=jsdom”, “eject”: “react-scripts eject” }
There was a bug in chrome, try the latest version, also on your webpack config try using different sourcemaps on devtool try all of these to see if one works for inline source map: inline-source-map cheap-inline-source-map for other different configs: cheap-source-map cheap-module-source-map cheap-module-eval-source-map on webpack config: { … devtool:’source-map’ … }