Rogue sourceMap to prevent Chrome DevTools debugging

Question

Is it possible to purposefully create a bad sourcemap for a javascript file to make it harder to see the pretty source code or debug through it to people outside the development team?

Do you know any tools to do that?

Where can I find the details of sourceMap format to try and do that myself?

Alexey Kozyatinskiy · Accepted Answer · 2016-02-03 21:50:48Z

1

It's impossible with sourceMap. Everyone can disable sourceMap in DevTools settings and debug original sources.

answered Feb 3, 2016 at 21:50

Alexey Kozyatinskiy

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Comments

duncanhall · Accepted Answer · 2015-09-22 08:54:56Z

1

Why would you want to do this? In general, when you are shipping production code that has been minified, you just don't compile a source map at all.

answered Sep 22, 2015 at 8:54

duncanhall

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2 Comments

tato Over a year ago

DevTools does a very good job at "prettifying" minimized code. I'd like to make things harder, and I'd thought that using a purposefully built sourceMap could confuse chrome tools enough to make my code less visible to others.

duncanhall Over a year ago

This isn't really possible, and is generally not a good idea. You really don't have any code that is worth hiding - unless you are including secure data in the front-end, in which case you have a much bigger problem.

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