Soource Manipulation

source_manipulation.ex

code_change = 
  CodeChange.new() # just one potential idea for what the multi-file tracking would be called
  |> CodeChange.create_file(path, initial_contents)
  |> CodeChange.update_file(path, [
    Operation.add_defmodule(module_name), 
    Operation.add_use_to_module(module_name, thing_it_uses), 
    MyCustomOperations.do_my_special_thing(...)
  ], instructions_on_failure: "Add x to your module.")

# I need this for my use case because individual code changes may depend on the current state of other files
# As I'm building I have access to all of the code through the lens of any changes so far. i.e
# will read the file on disk or if its been modified will show me that
CodeChange.read_file(code_change, path) 

# I can pick back up after looking at the current state
code_change =
  code_change
  |> CodeChange.update_file(path, [...])

# It can be applied as a dry run
CodeChange.apply(code_change, dry_run?: true)

# Or it can just be applied
CodeChange.apply(code_change)