Sourcemaps are invaluable for debugging production issues. I've dealt with bugs so complex (and unable to reproduce in dev) that having sourcemaps disabled meant it was near impossible to solve them.
There shouldn't be anything in your codebase that's secret or needs obfuscation. Trust me, if a hacker wanted to read and manipulate your client code, the lack of a source map would not prevent them!
Rather than blanket disabling sourcemaps you should be ensuring your app doesn't have security holes in it in the first place...
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Sourcemaps are invaluable for debugging production issues. I've dealt with bugs so complex (and unable to reproduce in dev) that having sourcemaps disabled meant it was near impossible to solve them.
There shouldn't be anything in your codebase that's secret or needs obfuscation. Trust me, if a hacker wanted to read and manipulate your client code, the lack of a source map would not prevent them!
Rather than blanket disabling sourcemaps you should be ensuring your app doesn't have security holes in it in the first place...