When I run the following program I get the following output which prints the stack through the various invoked functions However when the error is thrown after the await call in the following program This is the output I’d like to understand why the stack trace is lost in the second case but not in the …
Tag: stack-trace
Trace a Webpack Error/Line Back to its Source Line
Often, if I’m using webpack to compile/transpile code from ES2015 syntax to something my web browser can read (in a single bundle.js file) I’ll end up with an error like this The specific error here isn’t important — what’s important is that Chrome points me towards line 99 of bu…
How to specify a “caused by” in a JavaScript Error?
In my NodeJS program, I parse some user JSON file. So I use : The problem is that if the json file is not correctly formated, the error thrown is like: As it is not really user friendly I would like to throw an Error specifying some user friendly message (like “your config file is not well formated̶…
Stack traces that utilise source mapping
Overview: The stack trace output in the browser console is not the same trace that is returned when Error.stack is called. The console stack trace seems to take into account sourcemaps whereas the Error.stack stack trace does not. Console Output Here is the default stack trace that is output to the console. E…
How to trace Javascript events (Stack Trace )?
In any programming language, I can trace any function and know which function is called by other. But in Javascript , I don’t know how, since the code is not written by me and Firebug does not give this feature – as far as I know. An example : I want to display the function names of each function …