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Rename file when renaming module (#651)
* Rename the file while renaming the module. It first determines whether the module meets certain hard constraints, such as having no parent, then performs some conventional checks. If both are satisfied, it proceeds to return the file renaming. * Maybe insert special folder for PhoenixWeb's module * Apply some code review changes for using `Document.Changes` Use `Document.Changes` instead of `CodeMod.Rename.DocumentChanges` Make `Document.Changes.RenameFile` a struct and use `root_module?` instead of `has_silibings?` and `has_parent?` * Use `rename progress marker` instead of suspending build * Use `file_changed` instead of `file_compile_requested` for reindexing * `uri_with_operations_counts` by client name * Apply some code review suggestions for `rename/file` * Apply suggestions from code review Co-authored-by: Steve Cohen <[email protected]> * Do not need to care about the `DidClose` message * Apply some code review suggestions 1. Move the `if-else` logic to the `Commands.Rename` module 2. Add `file_opened` message type 3. modify the format error message * Shouldn't returns `RenameFile` if the file name not changed * Change `uri_with_operation_counts` to `uri_with_expected_operation` and special some message type for emacs --------- Co-authored-by: Steve Cohen <[email protected]>
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154 changes: 154 additions & 0 deletions
154
apps/remote_control/lib/lexical/remote_control/code_mod/rename/file.ex
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| defmodule Lexical.RemoteControl.CodeMod.Rename.File do | ||
| alias Lexical.Ast | ||
| alias Lexical.Document | ||
| alias Lexical.ProcessCache | ||
| alias Lexical.Project | ||
| alias Lexical.RemoteControl | ||
| alias Lexical.RemoteControl.CodeIntelligence.Entity | ||
| alias Lexical.RemoteControl.Search.Indexer | ||
| alias Lexical.RemoteControl.Search.Indexer.Entry | ||
|
|
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| @spec maybe_rename(Document.t(), Entry.t(), String.t()) :: Document.Changes.rename_file() | ||
| def maybe_rename(%Document{} = document, %Entry{} = entry, new_suffix) do | ||
| if root_module?(entry, document) do | ||
| rename_file(document, entry, new_suffix) | ||
| end | ||
| end | ||
|
|
||
| defp root_module?(entry, document) do | ||
| entries = | ||
| ProcessCache.trans("#{document.uri}-entries", 50, fn -> | ||
| with {:ok, entries} <- | ||
| Indexer.Source.index_document(document, [Indexer.Extractors.Module]) do | ||
| entries | ||
| end | ||
| end) | ||
|
|
||
| case Enum.filter(entries, &(&1.block_id == :root)) do | ||
| [root_module] -> | ||
| root_module.subject == entry.subject and root_module.block_range == entry.block_range | ||
|
|
||
| _ -> | ||
| false | ||
| end | ||
| end | ||
|
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| defp rename_file(document, entry, new_suffix) do | ||
| root_path = root_path() | ||
| relative_path = relative_path(entry.path, root_path) | ||
|
|
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| with {:ok, prefix} <- fetch_conventional_prefix(relative_path), | ||
| {:ok, new_name} <- fetch_new_name(document, entry, new_suffix) do | ||
| extname = Path.extname(entry.path) | ||
|
|
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| suffix = | ||
| new_name | ||
| |> Macro.underscore() | ||
| |> maybe_insert_special_phoenix_folder(entry.subject, relative_path) | ||
|
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| new_path = Path.join([root_path, prefix, "#{suffix}#{extname}"]) | ||
| new_uri = Document.Path.ensure_uri(new_path) | ||
|
|
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| if document.uri != new_uri do | ||
| Document.Changes.RenameFile.new(document.uri, new_uri) | ||
| end | ||
| else | ||
| _ -> nil | ||
| end | ||
| end | ||
|
|
||
| defp relative_path(path, root_path) do | ||
| Path.relative_to(path, root_path) | ||
| end | ||
|
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| defp root_path do | ||
| Project.root_path(RemoteControl.get_project()) | ||
| end | ||
|
|
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| defp fetch_new_name(document, entry, new_suffix) do | ||
| text_edits = [Document.Edit.new(new_suffix, entry.range)] | ||
|
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| with {:ok, edited_document} <- | ||
| Document.apply_content_changes(document, document.version + 1, text_edits), | ||
| {:ok, %{context: {:alias, alias}}} <- | ||
| Ast.surround_context(edited_document, entry.range.start) do | ||
| {:ok, to_string(alias)} | ||
| else | ||
| _ -> :error | ||
| end | ||
| end | ||
|
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| defp fetch_conventional_prefix(path) do | ||
| # To obtain the new relative path, we can't directly convert from the *new module* name. | ||
| # We also need a part of the prefix, and Elixir has some conventions in this regard, | ||
| # For example: | ||
| # | ||
| # in umbrella projects, the prefix is `Path.join(["apps", app_name, "lib"])` | ||
| # in non-umbrella projects, most file's prefix is `"lib"` | ||
| # | ||
| # ## Examples | ||
| # | ||
| # iex> fetch_conventional_prefix("apps/remote_control/lib/lexical/remote_control/code_mod/rename/file.ex") | ||
| # {:ok, "apps/remote_control/lib"} | ||
| result = | ||
| path | ||
| |> Path.split() | ||
| |> Enum.chunk_every(2, 2) | ||
| |> Enum.reduce([], fn | ||
| ["apps", app_name], _ -> | ||
| [app_name, "apps"] | ||
|
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| ["lib", _follow_element], prefix -> | ||
| ["lib" | prefix] | ||
|
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| ["test", _follow_element], prefix -> | ||
| ["test" | prefix] | ||
|
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| _remain, prefix -> | ||
| prefix | ||
| end) | ||
|
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| case result do | ||
| [] -> | ||
| :error | ||
|
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| prefix -> | ||
| prefix = prefix |> Enum.reverse() |> Path.join() | ||
| {:ok, prefix} | ||
| end | ||
| end | ||
|
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| defp maybe_insert_special_phoenix_folder(suffix, subject, relative_path) do | ||
| insertions = | ||
| cond do | ||
| Entity.phoenix_controller_module?(subject) -> | ||
| "controllers" | ||
|
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| Entity.phoenix_liveview_module?(subject) -> | ||
| "live" | ||
|
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| Entity.phoenix_component_module?(subject) -> | ||
| "components" | ||
|
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| true -> | ||
| nil | ||
| end | ||
|
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| # In some cases, users prefer to include the `insertions` in the module name, | ||
| # such as `DemoWeb.Components.Icons`. | ||
| # In this case, we should not insert the prefix in a nested manner. | ||
| prefer_to_include_insertions? = insertions && insertions in Path.split(suffix) | ||
| old_path_contains_insertions? = insertions in Path.split(relative_path) | ||
|
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| if not is_nil(insertions) and old_path_contains_insertions? and | ||
| not prefer_to_include_insertions? do | ||
| suffix | ||
| |> Path.split() | ||
| |> List.insert_at(1, insertions) | ||
| |> Enum.reject(&(&1 == "")) | ||
| |> Path.join() | ||
| else | ||
| suffix | ||
| end | ||
| end | ||
| end |
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