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Use SyntaxEditor in extract_type_alias

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DropDemBits 2024-09-17 18:25:32 -04:00
parent 23c4ab7e4b
commit 5537e2739c
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1 changed files with 15 additions and 13 deletions
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28
crates/ide-assists/src/handlers/extract_type_alias.rs
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@ -2,7 +2,7 @@ use either::Either;
use ide_db::syntax_helpers::node_ext::walk_ty;
use syntax::{
ast::{self, edit::IndentLevel, make, AstNode, HasGenericArgs, HasGenericParams, HasName},
ted,
syntax_editor,
};
use crate::{AssistContext, AssistId, AssistKind, Assists};
@ -43,9 +43,8 @@ pub(crate) fn extract_type_alias(acc: &mut Assists, ctx: &AssistContext<'_>) ->
AssistId("extract_type_alias", AssistKind::RefactorExtract),
"Extract type as type alias",
target,
|edit| {
let node = edit.make_syntax_mut(node.clone());
let target_ty = edit.make_mut(ty.clone());
|builder| {
let mut edit = builder.make_editor(node);
let mut known_generics = match item.generic_param_list() {
Some(it) => it.generic_params().collect(),
@ -67,25 +66,28 @@ pub(crate) fn extract_type_alias(acc: &mut Assists, ctx: &AssistContext<'_>) ->
.map_or(String::new(), |it| it.to_generic_args().to_string());
// FIXME: replace with a `ast::make` constructor
let new_ty = make::ty(&format!("Type{ty_args}")).clone_for_update();
ted::replace(target_ty.syntax(), new_ty.syntax());
edit.replace(ty.syntax(), new_ty.syntax());
// Insert new alias
let indent = IndentLevel::from_node(&node);
let ty_alias = make::ty_alias("Type", generic_params, None, None, Some((ty, None)))
.clone_for_update();
ted::insert_all(
ted::Position::before(node),
if let Some(cap) = ctx.config.snippet_cap {
if let Some(name) = ty_alias.name() {
edit.add_annotation(name.syntax(), builder.make_tabstop_before(cap));
}
}
let indent = IndentLevel::from_node(node);
edit.insert_all(
syntax_editor::Position::before(node),
vec![
ty_alias.syntax().clone().into(),
make::tokens::whitespace(&format!("\n\n{indent}")).into(),
],
);
if let Some(cap) = ctx.config.snippet_cap {
if let Some(name) = ty_alias.name() {
edit.add_tabstop_before(cap, name);
}
}
builder.add_file_edits(ctx.file_id(), edit);
},
)
}