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README.md

What are source maps? http://www.html5rocks.com/en/tutorials/developertools/sourcemaps

Why This works well in conjunction with JavaScript error capture. However you will need both line and column numbers. This can be difficult with a simple window.onerror handler as that does not provide the column information.

There are various libraries that will wrap native functions with try/catches that could provide the column from error.stack. Use at your own risk (not sure how I feel about them)

In my case (enterprise) we have mostly IE8 users at the moment, during window.onerror it is possible to either A. Walk to callee and build a stack or B. Use window.error.errorcharacter to capture the column number. This is what I am going to be doing for the time being.

Tested with Source Map Version 3 JavaScript source files

Source: https://github.com/RyanSylvestre/sourceMapper Link to store: https://chrome.google.com/webstore/detail/enenhalmnhnpofkecebdmgnmmhfkhcpb