V8 Bytecode Decompiler

Imagine you have a legacy Node.js server running, but the source code is lost. The bytecode exists in memory or a cache file. A decompiler can rescue the logic.

In practice, implementing a decompiler involves:

There are hundreds of opcodes, ranging from simple operations like LdaZero (loading zero into the accumulator) to complex ones like LdaNamedProperty for object access.