Install v8-debug
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To understand JavaScript deeply you eventually dive into V8. The
v8-debug
shell helps inspect bytecode, optimizations, etc. Here’s how I install it.
Installation
Some suggest brew install v8
, but that build lacked --print-ast
for me, so I don’t recommend it.
npm install -g jsvu
- Run
jsvu
and select V8 debug. Re-runningjsvu
updates the installed V8 versions. - Add to
.bashrc
/.zshrc
:The alias makes launching the shell easier.export PATH="$HOME/.jsvu:$PATH" alias d8='v8-debug'