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An asynchronous, graph-based execution engine
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lib/reactor/step/anon_fn/mermaid.ex
# SPDX-FileCopyrightText: 2023 James Harton, Zach Daniel, Alembic Pty and contributors
# SPDX-FileCopyrightText: 2023 reactor contributors <https://github.com/ash-project/reactor/graphs.contributors>
#
# SPDX-License-Identifier: MIT
defmodule Reactor.Step.AnonFn.Mermaid do
@moduledoc """
Mermaid rendering for `AnonFn` steps.
"""
alias Reactor.Mermaid.{Node, Utils}
import Utils
@doc false
def to_mermaid(%{impl: {module, opts}} = step, options) do
id = mermaid_id({options[:reactor_id], step.name}, :step)
content =
if options[:describe?] do
functions =
opts
|> Keyword.take([:run, :compensate, :undo])
|> Enum.sort_by(&elem(&1, 0))
|> Enum.reject(&is_nil(elem(&1, 1)))
|> Enum.map(fn {name, fun} ->
[
"- #{name}: _",
md_escape(inspect(fun)),
"_"
]
end)
|> Enum.intersperse(["\n"])
[
id,
"[\"`**",
name(step.name),
" \\(",
inspect(module),
"\\)**\n",
functions,
if(step.description, do: ["\n", md_escape(step.description)], else: []),
"`\"]\n"
]
else
[id, "[\"", name(step.name), "(", inspect(module), ")\"]\n"]
end
{:ok, %Node{id: id, pre: content}}
end
end