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fetchSourceMap tries to fetch <anonymous> URLs #14

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ivkos opened this issue Jun 7, 2019 · 0 comments

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commented Jun 7, 2019

retrace fails for the stack trace below with a 400 Bad Request error. I suspect it treats the <anonymous> literals as URLs and tries to send an HTTP request to %3Canonymous%3E.

ReferenceError: bork is not defined
    at UserForm._callee4$ (http://localhost:8080/static/js/13.25e3de7b.chunk.js:1482:17)
    at tryCatch (http://localhost:8080/static/js/main.f3e03149.chunk.js:12350:40)
    at Generator.invoke [as _invoke] (http://localhost:8080/static/js/main.f3e03149.chunk.js:12576:22)
    at Generator.prototype.<computed> [as next] (http://localhost:8080/static/js/main.f3e03149.chunk.js:12402:21)
    at asyncGeneratorStep (http://localhost:8080/static/js/13.25e3de7b.chunk.js:1157:103)
    at _next (http://localhost:8080/static/js/13.25e3de7b.chunk.js:1159:194)
    at http://localhost:8080/static/js/13.25e3de7b.chunk.js:1159:364
    at new Promise (<anonymous>)
    at UserForm.<anonymous> (http://localhost:8080/static/js/13.25e3de7b.chunk.js:1159:97)
    at UserForm.onFileSelect (http://localhost:8080/static/js/13.25e3de7b.chunk.js:1562:30)

The fetchSourceMap function might need additional checks to avoid such URLs:
https://github.com/fgnass/retrace/blob/master/index.js#L60

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